RFAL library for the STMicroelectronics X-NUCLEO-NFC05A1
Revision 0:75fc82583a41, committed 2019-11-14
- Comitter:
- DiegoOstuni
- Date:
- Thu Nov 14 14:34:50 2019 +0000
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- Add files
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,32 @@ +# Prerequisites +*.d + +# Compiled Object files +*.slo +*.lo +*.o +*.obj + +# Precompiled Headers +*.gch +*.pch + +# Compiled Dynamic libraries +*.so +*.dylib +*.dll + +# Fortran module files +*.mod +*.smod + +# Compiled Static libraries +*.lai +*.la +*.a +*.lib + +# Executables +*.exe +*.out +*.app
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,4 @@ +# RFAL +Radio-frequency abstraction layer (RFAL) library for the STMicroelectronics X-NUCLEO-NFC05A1. RFAL is used to simulate the physical layer communication hardware and radio channels. +# OVERVIEW +It contains the Analog Configuration Settings and all the NFC protocol (NFCA, NFCB, Felica, NFC-DEP, NFCV), implementation of the interface and of the ISO-15693-2.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/platform1.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,127 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ +/*! \file + * + * \author + * + * \brief Platform header file. Defining platform independent functionality. + * + */ + + +/* + * PROJECT: + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file platform.h + * + * \author Gustavo Patricio + * + * \brief Platform specific definition layer + * + * This should contain all platform and hardware specifics such as + * GPIO assignment, system resources, locks, IRQs, etc + * + * Each distinct platform/system/board must provide this definitions + * for all SW layers to use + * + */ + +#ifndef PLATFORM1_H +#define PLATFORM1_H + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +/*#if defined(STM32L476xx) +#include "stm32l4xx_hal.h" +#elif defined(STM32F401xE) +*/ +#include "stm32f4xx_hal.h" +/*#else +//#include "stm32l0xx_hal.h" +#endif +*/ + +#include "stdint.h" +#include "stdbool.h" +#include "limits.h" +#include "timer1.h" +#include "main.h" +#include "logger.h" +#include "mbed.h" + + +/* +****************************************************************************** +* GLOBAL DEFINES +****************************************************************************** +*/ + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ + + +#define platformIrqST25R3911SetCallback( cb ) + + +#define platformIrqST25R3916SetCallback( cb ) + +#define platformTimerCreate( t ) timerCalculateTimer(t) /*!< Create a timer with the given time (ms) */ +#define platformTimerIsExpired( timer ) timerIsExpired(timer) /*!< Checks if the given timer is expired */ +#define platformDelay( t ) HAL_Delay( t ) /*!< Performs a delay for the given time (ms) */ + +#define platformGetSysTick() HAL_GetTick() /*!< Get System Tick ( 1 tick = 1 ms) */ + + + +/* +****************************************************************************** +* RFAL FEATURES CONFIGURATION +****************************************************************************** +*/ + +#define RFAL_FEATURE_NFCA true /*!< Enable/Disable RFAL support for NFC-A (ISO14443A) */ +#define RFAL_FEATURE_NFCB true /*!< Enable/Disable RFAL support for NFC-B (ISO14443B) */ +#define RFAL_FEATURE_NFCF true /*!< Enable/Disable RFAL support for NFC-F (FeliCa) */ +#define RFAL_FEATURE_NFCV true /*!< Enable/Disable RFAL support for NFC-V (ISO15693) */ +#define RFAL_FEATURE_T1T true /*!< Enable/Disable RFAL support for T1T (Topaz) */ +#define RFAL_FEATURE_ST25TB true /*!< Enable/Disable RFAL support for ST25TB */ +#define RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG false /*!< Enable/Disable Analog Configs to be dynamically updated (RAM) */ +#define RFAL_FEATURE_DYNAMIC_POWER false /*!< Enable/Disable RFAL dynamic power support */ +#define RFAL_FEATURE_ISO_DEP true /*!< Enable/Disable RFAL support for ISO-DEP (ISO14443-4) */ +#define RFAL_FEATURE_NFC_DEP true /*!< Enable/Disable RFAL support for NFC-DEP (NFCIP1/P2P) */ + + +#define RFAL_FEATURE_ISO_DEP_IBLOCK_MAX_LEN 256 /*!< ISO-DEP I-Block max length. Please use values as defined by rfalIsoDepFSx */ +#define RFAL_FEATURE_ISO_DEP_APDU_MAX_LEN 1024 /*!< ISO-DEP APDU max length. Please use multiples of I-Block max length */ + +#endif /* PLATFORM1_H */ + +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_AnalogConfig.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,321 @@ +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_AnalogConfig.h + * + * \author bkam + * + * \brief RF Chip Analog Configuration Settings + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-HAL + * @brief RFAL Hardware Abstraction Layer + * @{ + * + * @addtogroup AnalogConfig + * @brief RFAL Analog Config Module + * @{ + * + */ + +#ifndef RFAL_ANALOG_CONFIG_H +#define RFAL_ANALOG_CONFIG_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "ST25R3911.h" + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +#define RFAL_ANALOG_CONFIG_LUT_SIZE (87) /*!< Maximum number of Configuration IDs in the Loop Up Table */ +#define RFAL_ANALOG_CONFIG_LUT_NOT_FOUND (0xFF) /*!< Index value indicating no Configuration IDs found */ + +#define RFAL_ANALOG_CONFIG_TBL_SIZE (1024) /*!< Maximum number of Register-Mask-Value in the Setting List */ + + +#define RFAL_ANALOG_CONFIG_POLL_LISTEN_MODE_MASK (0x8000) /*!< Mask bit of Poll Mode in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_MASK (0x7F00) /*!< Mask bits for Technology in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_MASK (0x00F0) /*!< Mask bits for Bit rate in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_DIRECTION_MASK (0x0003) /*!< Mask bits for Direction in Analog Configuration ID */ + +#define RFAL_ANALOG_CONFIG_POLL_LISTEN_MODE_SHIFT (15) /*!< Shift value of Poll Mode in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_SHIFT (8) /*!< Shift value for Technology in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_SHIFT (4) /*!< Shift value for Technology in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_DIRECTION_SHIFT (0) /*!< Shift value for Direction in Analog Configuration ID */ + +#define RFAL_ANALOG_CONFIG_POLL (0x0000) /*!< Poll Mode bit setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_LISTEN (0x8000) /*!< Listen Mode bit setting in Analog Configuration ID */ + +#define RFAL_ANALOG_CONFIG_TECH_CHIP (0x0000) /*!< Chip-Specific bit setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_NFCA (0x0100) /*!< NFC-A Technology bits setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_NFCB (0x0200) /*!< NFC-B Technology bits setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_NFCF (0x0400) /*!< NFC-F Technology bits setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_AP2P (0x0800) /*!< AP2P Technology bits setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_NFCV (0x1000) /*!< NFC-V Technology bits setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_TECH_RFU (0x2000) /*!< RFU for Technology bits */ + +#define RFAL_ANALOG_CONFIG_BITRATE_COMMON (0x0000) /*!< Common settings for all bit rates in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_106 (0x0010) /*!< 106kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_212 (0x0020) /*!< 212kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_424 (0x0030) /*!< 424kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_848 (0x0040) /*!< 848kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_1695 (0x0050) /*!< 1695kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_3390 (0x0060) /*!< 3390kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_6780 (0x0070) /*!< 6780kbits/s settings in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_1OF4 (0x00C0) /*!< 1 out of 4 for NFC-V setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_BITRATE_1OF256 (0x00D0) /*!< 1 out of 256 for NFC-V setting in Analog Configuration ID */ + +#define RFAL_ANALOG_CONFIG_NO_DIRECTION (0x0000) /*!< No direction setting in Analog Conf ID (Chip Specific only) */ +#define RFAL_ANALOG_CONFIG_TX (0x0001) /*!< Transmission bit setting in Analog Configuration ID */ +#define RFAL_ANALOG_CONFIG_RX (0x0002) /*!< Reception bit setting in Analog Configuration ID */ + +#define RFAL_ANALOG_CONFIG_UPDATE_LAST (0x00) /*!< Value indicating Last configuration set during update */ +#define RFAL_ANALOG_CONFIG_UPDATE_MORE (0x01) /*!< Value indicating More configuration set coming during update */ + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +#define RFAL_ANALOG_CONFIG_ID_GET_POLL_LISTEN(id) (RFAL_ANALOG_CONFIG_POLL_LISTEN_MODE_MASK & id) /*!< Check if id indicates Listen mode */ + +#define RFAL_ANALOG_CONFIG_ID_GET_TECH(id) (RFAL_ANALOG_CONFIG_TECH_MASK & id) /*!< Get the technology of Configuration ID */ +#define RFAL_ANALOG_CONFIG_ID_IS_CHIP(id) (RFAL_ANALOG_CONFIG_TECH_MASK & id) /*!< Check if ID indicates Chip-specific */ +#define RFAL_ANALOG_CONFIG_ID_IS_NFCA(id) (RFAL_ANALOG_CONFIG_TECH_NFCA & id) /*!< Check if ID indicates NFC-A */ +#define RFAL_ANALOG_CONFIG_ID_IS_NFCB(id) (RFAL_ANALOG_CONFIG_TECH_NFCB & id) /*!< Check if ID indicates NFC-B */ +#define RFAL_ANALOG_CONFIG_ID_IS_NFCF(id) (RFAL_ANALOG_CONFIG_TECH_NFCF & id) /*!< Check if ID indicates NFC-F */ +#define RFAL_ANALOG_CONFIG_ID_IS_AP2P(id) (RFAL_ANALOG_CONFIG_TECH_AP2P & id) /*!< Check if ID indicates AP2P */ +#define RFAL_ANALOG_CONFIG_ID_IS_NFCV(id) (RFAL_ANALOG_CONFIG_TECH_NFCV & id) /*!< Check if ID indicates NFC-V */ + +#define RFAL_ANALOG_CONFIG_ID_GET_BITRATE(id) (RFAL_ANALOG_CONFIG_BITRATE_MASK & id) /*!< Get Bitrate of Configuration ID */ +#define RFAL_ANALOG_CONFIG_ID_IS_COMMON(id) (RFAL_ANALOG_CONFIG_BITRATE_MASK & id) /*!< Check if ID indicates common bitrate */ +#define RFAL_ANALOG_CONFIG_ID_IS_106(id) (RFAL_ANALOG_CONFIG_BITRATE_106 & id) /*!< Check if ID indicates 106kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_212(id) (RFAL_ANALOG_CONFIG_BITRATE_212 & id) /*!< Check if ID indicates 212kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_424(id) (RFAL_ANALOG_CONFIG_BITRATE_424 & id) /*!< Check if ID indicates 424kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_848(id) (RFAL_ANALOG_CONFIG_BITRATE_848 & id) /*!< Check if ID indicates 848kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_1695(id) (RFAL_ANALOG_CONFIG_BITRATE_1695 & id) /*!< Check if ID indicates 1695kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_3390(id) (RFAL_ANALOG_CONFIG_BITRATE_3390 & id) /*!< Check if ID indicates 3390kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_6780(id) (RFAL_ANALOG_CONFIG_BITRATE_6780 & id) /*!< Check if ID indicates 6780kbits/s */ +#define RFAL_ANALOG_CONFIG_ID_IS_1OF4(id) (RFAL_ANALOG_CONFIG_BITRATE_1OF4 & id) /*!< Check if ID indicates 1 out of 4 bitrate */ +#define RFAL_ANALOG_CONFIG_ID_IS_1OF256(id) (RFAL_ANALOG_CONFIG_BITRATE_1OF256 & id) /*!< Check if ID indicates 1 out of 256 bitrate */ + +#define RFAL_ANALOG_CONFIG_ID_GET_DIRECTION(id) (RFAL_ANALOG_CONFIG_DIRECTION_MASK & id) /*!< Get Direction of Configuration ID */ +#define RFAL_ANALOG_CONFIG_ID_IS_TX(id) (RFAL_ANALOG_CONFIG_TX & id) /*!< Check if id indicates TX */ +#define RFAL_ANALOG_CONFIG_ID_IS_RX(id) (RFAL_ANALOG_CONFIG_RX & id) /*!< Check if id indicates RX */ + +#define RFAL_ANALOG_CONFIG_CONFIG_NUM(x) (sizeof(x)/sizeof(x[0])) /*!< Get Analog Config number */ + +/*! Set Analog Config ID value by: Mode, Technology, Bitrate and Direction */ +#define RFAL_ANALOG_CONFIG_ID_SET(mode, tech, br, direction) \ + ( RFAL_ANALOG_CONFIG_ID_GET_POLL_LISTEN(mode) \ + | RFAL_ANALOG_CONFIG_ID_GET_TECH(tech) \ + | RFAL_ANALOG_CONFIG_ID_GET_BITRATE(br) \ + | RFAL_ANALOG_CONFIG_ID_GET_DIRECTION(direction) \ + ) + +/* + ****************************************************************************** + * GLOBAL DATA TYPES + ****************************************************************************** + */ + +typedef uint8_t rfalAnalogConfigMode; /*!< Polling or Listening Mode of Configuration */ +typedef uint8_t rfalAnalogConfigTech; /*!< Technology of Configuration */ +typedef uint8_t rfalAnalogConfigBitrate; /*!< Bitrate of Configuration */ +typedef uint8_t rfalAnalogConfigDirection; /*!< Transmit/Receive direction of Configuration */ + +typedef uint8_t rfalAnalogConfigRegAddr[2]; /*!< Register Address to ST Chip */ +typedef uint8_t rfalAnalogConfigRegMask; /*!< Register Mask Value */ +typedef uint8_t rfalAnalogConfigRegVal; /*!< Register Value */ + +typedef uint16_t rfalAnalogConfigId; /*!< Analog Configuration ID */ +typedef uint16_t rfalAnalogConfigOffset; /*!< Analog Configuration offset address in the table */ +typedef uint8_t rfalAnalogConfigNum; /*!< Number of Analog settings for the respective Configuration ID */ + + +/*! Struct that contain the Register-Mask-Value set. Make sure that the whole structure size is even and unaligned! */ +typedef struct { + rfalAnalogConfigRegAddr addr; /*!< Register Address */ + rfalAnalogConfigRegMask mask; /*!< Register Mask Value */ + rfalAnalogConfigRegVal val; /*!< Register Value */ +} rfalAnalogConfigRegAddrMaskVal; + + +/*! Struct that represents the Analog Configs */ +typedef struct { + uint8_t id[sizeof(rfalAnalogConfigId)]; /*!< Configuration ID */ + rfalAnalogConfigNum num; /*!< Number of Config Sets to follow */ + rfalAnalogConfigRegAddrMaskVal regSet[]; /*!< Register-Mask-Value sets */ +} rfalAnalogConfig; + + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Initialize the Analog Configuration + * + * Reset the Analog Configuration LUT pointer to reference to default settings. + * + ***************************************************************************** + */ +void rfalAnalogConfigInitialize( void ); + + +/*! + ***************************************************************************** + * \brief Indicate if the current Analog Configuration Table is complete and ready to be used. + * + * \return true if current Analog Configuration Table is complete and ready to be used. + * \return false if current Analog Configuration Table is incomplete + * + ***************************************************************************** + */ +bool rfalAnalogConfigIsReady( void ); + +/*! + ***************************************************************************** + * \brief Write the whole Analog Configuration table in raw format + * + * Writes the Analog Configuration and Look Up Table with the given raw table + * + * NOTE: Function does not check the validity of the given Table contents + * + * \param[in] configTbl: location of config Table to be loaded + * \param[in] configTblSize: size of the config Table to be loaded + * + * \return ERR_NONE : if setting is updated + * \return ERR_PARAM : if configTbl is invalid + * \return ERR_NOMEM : if the given Table is bigger exceeds the max size + * \return ERR_REQUEST : if the update Configuration Id is disabled + * + ***************************************************************************** + */ +ReturnCode rfalAnalogConfigListWriteRaw( const uint8_t *configTbl, uint16_t configTblSize ); + +/*! + ***************************************************************************** + * \brief Write the Analog Configuration table with new analog settings. + * + * Writes the Analog Configuration and Look Up Table with the new list of register-mask-value + * and Configuration ID respectively. + * + * NOTE: Function does not check for the validity of the Register Address. + * + * \param[in] more: 0x00 indicates it is last Configuration ID settings; + * 0x01 indicates more Configuration ID setting(s) are coming. + * \param[in] *config: reference to the configuration list of current Configuraiton ID. + * + * \return ERR_PARAM : if Configuration ID or parameter is invalid + * \return ERR_NOMEM : if LUT is full + * \return ERR_REQUEST : if the update Configuration Id is disabled + * \return ERR_NONE : if setting is updated + * + ***************************************************************************** + */ +ReturnCode rfalAnalogConfigListWrite( uint8_t more, rfalAnalogConfig *config ); + +/*! + ***************************************************************************** + * \brief Read the whole Analog Configuration table in raw format + * + * Reads the whole Analog Configuration Table in raw format + * + * \param[out] tblBuf: location to the buffer to place the Config Table + * \param[in] tblBufLen: length of the buffer to place the Config Table + * \param[out] configTblSize: Config Table size + * + * \return ERR_PARAM : if configTbl or configTblSize is invalid + * \return ERR_NOMEM : if configTblSize is not enough for the whole table + * \return ERR_NONE : if read is successful + * + ***************************************************************************** + */ +ReturnCode rfalAnalogConfigListReadRaw( uint8_t *tblBuf, uint16_t tblBufLen, uint16_t *configTblSize ); + +/*! + ***************************************************************************** + * \brief Read the Analog Configuration table. + * + * Read the Analog Configuration Table + * + * \param[in] configOffset: offset to the next Configuration ID in the List Table to be read. + * \param[out] more: 0x00 indicates it is last Configuration ID settings; + * 0x01 indicates more Configuration ID setting(s) are coming. + * \param[out] config: configuration id, number of configuration sets and register-mask-value sets + * \param[in] numConfig: the remaining configuration settings space available; + * + * \return ERR_NOMEM : if number of Configuration for respective Configuration ID is greater the the remaining configuration setting space available + * \return ERR_NONE : if read is successful + * + ***************************************************************************** + */ +ReturnCode rfalAnalogConfigListRead( rfalAnalogConfigOffset *configOffset, uint8_t *more, rfalAnalogConfig *config, rfalAnalogConfigNum numConfig ); + +/*! + ***************************************************************************** + * \brief Set the Analog settings of indicated Configuration ID. + * + * Update the chip with indicated analog settings of indicated Configuration ID. + * + * \param[in] configId: configuration ID + * + * \return ERR_PARAM if Configuration ID is invalid + * \return ERR_INTERNAL if error updating setting to chip + * \return ERR_NONE if new settings is applied to chip + * + ***************************************************************************** + */ +ReturnCode rfalSetAnalogConfig( rfalAnalogConfigId configId, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +#endif /* RFAL_ANALOG_CONFIG_H */ + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_analogConfig.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,390 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_analogConfig.c + * + * \author bkam + * + * \brief Funcitons to manage and set analog settings. + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "rfal_analogConfigTbl.h" +#include "rfal_AnalogConfig.h" +#include "rfal_chip.h" +#include "st_errno.h" +#include "platform1.h" +#include "utils.h" + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +#define RFAL_TEST_REG 0x0080 /*!< Test Register indicator */ + +/* + ****************************************************************************** + * MACROS + ****************************************************************************** + */ + +/* + ****************************************************************************** + * LOCAL DATA TYPES + ****************************************************************************** + */ + +#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG + static uint8_t gRfalAnalogConfig[RFAL_ANALOG_CONFIG_TBL_SIZE]; /*!< Analog Configuration Settings List */ +#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */ + + +/*! Struct for Analog Config Look Up Table Update */ +typedef struct { + uint8_t *currentAnalogConfigTbl; /*!< Reference to start of current Analog Configuration */ + uint16_t configTblSize; /*!< Total size of Analog Configuration */ + uint8_t ready; /*!< Indicate if Look Up Table is complete and ready for use */ +} rfalAnalogConfigMgmt; + +static rfalAnalogConfigMgmt gRfalAnalogConfigMgmt; /*!< Analog Configuration LUT management */ + +/* + ****************************************************************************** + * LOCAL TABLES + ****************************************************************************** + */ + +/* + ****************************************************************************** + * LOCAL FUNCTION PROTOTYPES + ****************************************************************************** + */ +static rfalAnalogConfigNum rfalAnalogConfigSearch( rfalAnalogConfigId configId, uint16_t *configOffset ); + +#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG + static void rfalAnalogConfigPtrUpdate( uint8_t* analogConfigTbl ); +#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */ + +/* + ****************************************************************************** + * GLOBAL VARIABLE DEFINITIONS + ****************************************************************************** + */ + +/* + ****************************************************************************** + * GLOBAL FUNCTIONS + ****************************************************************************** + */ + +void rfalAnalogConfigInitialize( void ) +{ + /* Use default Analog configuration settings in Flash by default. */ + gRfalAnalogConfigMgmt.currentAnalogConfigTbl = (uint8_t *)rfalAnalogConfigDefaultSettings; + gRfalAnalogConfigMgmt.configTblSize = sizeof(rfalAnalogConfigDefaultSettings); + gRfalAnalogConfigMgmt.ready = true; + +} /* rfalAnalogConfigInitialize() */ + + +bool rfalAnalogConfigIsReady( void ) +{ + return gRfalAnalogConfigMgmt.ready; +} + +ReturnCode rfalAnalogConfigListWriteRaw( const uint8_t *configTbl, uint16_t configTblSize ) +{ +#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG + + /* Check if the Configuration Table exceed the Table size */ + if ( configTblSize >= RFAL_ANALOG_CONFIG_TBL_SIZE ) + { + rfalAnalogConfigInitialize(); /* Revert to default Analog Configuration */ + return ERR_NOMEM; + } + + /* Check for invalid parameters */ + if( configTbl == NULL ) + { + return ERR_PARAM; + } + + /* NOTE: Function does not check for the validity of the Table contents (conf IDs, conf sets, register address) */ + ST_MEMCPY( gRfalAnalogConfig, configTbl, configTblSize ); + + /* Update the total size of configuration settings */ + gRfalAnalogConfigMgmt.configTblSize = configTblSize; + + rfalAnalogConfigPtrUpdate(gRfalAnalogConfig); + return ERR_NONE; + +#else + + /* If Analog Configuration Update is to be disabled */ + NO_WARNING(configTbl); + NO_WARNING(configTblSize); + return ERR_REQUEST; + +#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */ +} + +ReturnCode rfalAnalogConfigListWrite( uint8_t more, rfalAnalogConfig *config ) +{ +#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG + + rfalAnalogConfigId configId; + rfalAnalogConfigNum numConfig; + uint8_t configSize; + + if (true == gRfalAnalogConfigMgmt.ready) + { /* First Update to the Configuration list. */ + gRfalAnalogConfigMgmt.ready = false; /* invalidate the config List */ + gRfalAnalogConfigMgmt.configTblSize = 0; /* Clear the config List */ + } + + configId = GETU16(config->id); + + /* Check validity of the Configuration ID. */ + if ( (RFAL_ANALOG_CONFIG_TECH_RFU <= RFAL_ANALOG_CONFIG_ID_GET_TECH(configId)) + ||((RFAL_ANALOG_CONFIG_BITRATE_6780 < RFAL_ANALOG_CONFIG_ID_GET_BITRATE(configId)) && (RFAL_ANALOG_CONFIG_BITRATE_1OF4 > RFAL_ANALOG_CONFIG_ID_GET_BITRATE(configId))) + ||(RFAL_ANALOG_CONFIG_BITRATE_1OF256 < RFAL_ANALOG_CONFIG_ID_GET_BITRATE(configId)) + ) + { + rfalAnalogConfigInitialize(); /* Revert to default Analog Configuration */ + return ERR_PARAM; + } + + numConfig = config->num; + configSize = (sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum) + (numConfig * sizeof(rfalAnalogConfigRegAddrMaskVal))); + + /* Check if the Configuration Set exceed the Table size. */ + if ( RFAL_ANALOG_CONFIG_TBL_SIZE <= (gRfalAnalogConfigMgmt.configTblSize + configSize) ) + { + rfalAnalogConfigInitialize(); /* Revert to default Analog Configuration */ + return ERR_NOMEM; + } + + /* NOTE: Function does not check for the validity of the Register Address. */ + ST_MEMCPY(&gRfalAnalogConfig[gRfalAnalogConfigMgmt.configTblSize], config, configSize); + + /* Increment the total size of configuration settings. */ + gRfalAnalogConfigMgmt.configTblSize += configSize; + + /* Check if it is the last Analog Configuration to load. */ + if (RFAL_ANALOG_CONFIG_UPDATE_LAST == more) + { /* Update the Analog Configuration to the new settings. */ + rfalAnalogConfigPtrUpdate(gRfalAnalogConfig); + } + + return ERR_NONE; + +#else + + /* If Analog Configuration Update is to be disabled */ + NO_WARNING(config); + NO_WARNING(more); + return ERR_DISABLED; + +#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */ + +} /* rfalAnalogConfigListUpdate() */ + +ReturnCode rfalAnalogConfigListReadRaw( uint8_t *tblBuf, uint16_t tblBufLen, uint16_t *configTblSize ) +{ + /* Check if the the current table will fit into the given buffer */ + if( tblBufLen < gRfalAnalogConfigMgmt.configTblSize ) + { + return ERR_NOMEM; + } + + /* Check for invalid parameters */ + if( configTblSize == NULL ) + { + return ERR_PARAM; + } + + /* Copy the whole Table to the given buffer */ + ST_MEMCPY( tblBuf, gRfalAnalogConfigMgmt.currentAnalogConfigTbl, gRfalAnalogConfigMgmt.configTblSize ); + *configTblSize = gRfalAnalogConfigMgmt.configTblSize; + + return ERR_NONE; +} + +ReturnCode rfalAnalogConfigListRead( rfalAnalogConfigOffset *configOffset, uint8_t *more, rfalAnalogConfig *config, rfalAnalogConfigNum numConfig ) +{ + uint8_t configSize; + rfalAnalogConfigOffset offset = *configOffset; + + /* Check if the number of register-mask-value settings for the respective Configuration ID will fit into the buffer passed in. */ + if (gRfalAnalogConfigMgmt.currentAnalogConfigTbl[offset + sizeof(rfalAnalogConfigId)] > numConfig) + { + return ERR_NOMEM; + } + + /* Get the number of Configuration set */ + numConfig = gRfalAnalogConfigMgmt.currentAnalogConfigTbl[offset + sizeof(rfalAnalogConfigId)]; + + /* Pass Configuration Register-Mask-Value sets */ + configSize = (sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum) + (numConfig * sizeof(rfalAnalogConfigRegAddrMaskVal))); + ST_MEMCPY( config + , &gRfalAnalogConfigMgmt.currentAnalogConfigTbl[offset] + , configSize + ); + *configOffset = offset + configSize; + + /* Check if it is the last Analog Configuration in the Table.*/ + *more = (*configOffset >= gRfalAnalogConfigMgmt.configTblSize) ? RFAL_ANALOG_CONFIG_UPDATE_LAST + : RFAL_ANALOG_CONFIG_UPDATE_MORE; + + return ERR_NONE; +} /* rfalAnalogConfigListRead() */ + + +ReturnCode rfalSetAnalogConfig( rfalAnalogConfigId configId, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalAnalogConfigOffset configOffset = 0; + rfalAnalogConfigNum numConfigSet; + rfalAnalogConfigRegAddrMaskVal *configTbl; + ReturnCode retCode = ERR_NONE; + rfalAnalogConfigNum i; + + if (true != gRfalAnalogConfigMgmt.ready) + { + return ERR_REQUEST; + } + + /* Search LUT for the specific Configuration ID. */ + while (RFAL_ANALOG_CONFIG_LUT_NOT_FOUND != (numConfigSet = rfalAnalogConfigSearch(configId, &configOffset))) + { + configTbl = (rfalAnalogConfigRegAddrMaskVal *)( (uint32_t)gRfalAnalogConfigMgmt.currentAnalogConfigTbl + (uint32_t)configOffset); + /* Increment the offset to the next index to search from. */ + configOffset += (numConfigSet * sizeof(rfalAnalogConfigRegAddrMaskVal)); + + if ((gRfalAnalogConfigMgmt.configTblSize + 1) < configOffset) + { /* Error check make sure that the we do not access outside the configuration Table Size */ + return ERR_NOMEM; + } + + for ( i = 0; i < numConfigSet; i++) + { + if( GETU16(configTbl[i].addr) & RFAL_TEST_REG ) + { + EXIT_ON_ERR(retCode, rfalChipChangeTestRegBits( (GETU16(configTbl[i].addr) & ~RFAL_TEST_REG), configTbl[i].mask, configTbl[i].val, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + else + { + EXIT_ON_ERR(retCode, rfalChipChangeRegBits( GETU16(configTbl[i].addr), configTbl[i].mask, configTbl[i].val, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + } + + } /* while(found Analog Config Id) */ + + return retCode; + +} /* rfalSetAnalogConfig() */ + +/* + ****************************************************************************** + * LOCAL FUNCTIONS + ****************************************************************************** + */ + +/*! + ***************************************************************************** + * \brief Update the link to Analog Configuration LUT + * + * Update the link to the Analog Configuration LUT for the subsequent search + * of Analog Settings. + * + * \param[in] analogConfigTbl: reference to the start of the new Analog Configuration Table + * + ***************************************************************************** + */ +#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG +static void rfalAnalogConfigPtrUpdate( uint8_t* analogConfigTbl ) +{ + + gRfalAnalogConfigMgmt.currentAnalogConfigTbl = analogConfigTbl; + gRfalAnalogConfigMgmt.ready = true; + +} /* rfalAnalogConfigPtrUpdate() */ +#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */ + + +/*! + ***************************************************************************** + * \brief Search the Analog Configuration LUT for a specific Configuration ID. + * + * Search the Analog Configuration LUT for the Configuration ID. + * + * \param[in] configId: Configuration ID to search for. + * \param[in] configOffset: Configuration Offset in Table + * + * \return number of Configuration Sets + * \return #RFAL_ANALOG_CONFIG_LUT_NOT_FOUND in case Configuration ID is not found. + ***************************************************************************** + */ +static rfalAnalogConfigNum rfalAnalogConfigSearch( rfalAnalogConfigId configId, uint16_t *configOffset ) +{ + rfalAnalogConfigId foundConfigId; + rfalAnalogConfigId configIdMaskVal; + uint8_t *configTbl; + uint8_t *currentConfigTbl; + uint16_t i; + + currentConfigTbl = gRfalAnalogConfigMgmt.currentAnalogConfigTbl; + configIdMaskVal = ((RFAL_ANALOG_CONFIG_POLL_LISTEN_MODE_MASK | RFAL_ANALOG_CONFIG_BITRATE_MASK) + |(RFAL_ANALOG_CONFIG_TECH_CHIP == (RFAL_ANALOG_CONFIG_ID_GET_TECH(configId)) ? RFAL_ANALOG_CONFIG_TECH_MASK : configId) + |(RFAL_ANALOG_CONFIG_NO_DIRECTION == (RFAL_ANALOG_CONFIG_ID_GET_DIRECTION(configId)) ? RFAL_ANALOG_CONFIG_DIRECTION_MASK : configId) + ); + + for ( i = *configOffset; i < gRfalAnalogConfigMgmt.configTblSize; ) + { + configTbl = ¤tConfigTbl[i]; + foundConfigId = GETU16(configTbl); + if (configId == (foundConfigId & configIdMaskVal)) + { + *configOffset = (i + sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum)); + return configTbl[sizeof(rfalAnalogConfigId)]; + } + + /* If Config Id does not match, increment to next Configuration Id */ + i += ( sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum) + + (configTbl[sizeof(rfalAnalogConfigId)] * sizeof(rfalAnalogConfigRegAddrMaskVal) ) + ); + } + + return RFAL_ANALOG_CONFIG_LUT_NOT_FOUND; +} /* rfalAnalogConfigSearch() */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_analogConfigTbl.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,416 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_analogConfig.h + * + * \author bkam + * + * \brief ST25R3911 Analog Configuration Settings + * + */ + +#ifndef ST25R3911_ANALOGCONFIG_H +#define ST25R3911_ANALOGCONFIG_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "rfal_AnalogConfig.h" +#include "st25r3911_com.h" + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +/*! Macro for Configuration Setting with only one register-mask-value set: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1] */ +#define MODE_ENTRY_1_REG(MODE, R0, M0, V0) \ + (MODE >> 8), (MODE & 0xFF), 1, (R0 >> 8), (R0 & 0xFF), (M0), (V0) + +/*! Macro for Configuration Setting with only two register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1] */ +#define MODE_ENTRY_2_REG(MODE, R0, M0, V0, R1, M1, V1) \ + (MODE >> 8), (MODE & 0xFF), 2, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) + +/*! Macro for Configuration Setting with only three register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_3_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2) \ + (MODE >> 8), (MODE & 0xFF), 3, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + +/*! Macro for Configuration Setting with only four register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_4_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3) \ + (MODE >> 8), (MODE & 0xFF), 4, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + +/*! Macro for Configuration Setting with only five register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_5_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4) \ + (MODE >> 8), (MODE & 0xFF), 5, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + +/*! Macro for Configuration Setting with only six register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_6_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5) \ + (MODE >> 8), (MODE & 0xFF), 6, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + +/*! Macro for Configuration Setting with only seven register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_7_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6) \ + (MODE >> 8), (MODE & 0xFF), 7, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + +/*! Macro for Configuration Setting with only eight register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_8_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6, R7, M7, V7) \ + (MODE >> 8), (MODE & 0xFF), 8, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + , (R7 >> 8), (R7 & 0xFF), (M7), (V7) \ + +/*! Macro for Configuration Setting with only nine register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_9_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6, R7, M7, V7, R8, M8, V8) \ + (MODE >> 8), (MODE & 0xFF), 9, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + , (R7 >> 8), (R7 & 0xFF), (M7), (V7) \ + , (R8 >> 8), (R8 & 0xFF), (M8), (V8) \ + +/*! Macro for Configuration Setting with only ten register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_10_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6, R7, M7, V7, R8, M8, V8, R9, M9, V9) \ + (MODE >> 8), (MODE & 0xFF),10, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + , (R7 >> 8), (R7 & 0xFF), (M7), (V7) \ + , (R8 >> 8), (R8 & 0xFF), (M8), (V8) \ + , (R9 >> 8), (R9 & 0xFF), (M9), (V9) \ + +/*! Macro for Configuration Setting with eleven register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_11_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6, R7, M7, V7, R8, M8, V8, R9, M9, V9, R10, M10, V10) \ + (MODE >> 8), (MODE & 0xFF),11, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + , (R7 >> 8), (R7 & 0xFF), (M7), (V7) \ + , (R8 >> 8), (R8 & 0xFF), (M8), (V8) \ + , (R9 >> 8), (R9 & 0xFF), (M9), (V9) \ + , (R10 >> 8), (R10 & 0xFF), (M10), (V10) \ + +/*! Macro for Configuration Setting with twelve register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_12_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6, R7, M7, V7, R8, M8, V8, R9, M9, V9, R10, M10, V10, R11, M11, V11) \ + (MODE >> 8), (MODE & 0xFF),12, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + , (R7 >> 8), (R7 & 0xFF), (M7), (V7) \ + , (R8 >> 8), (R8 & 0xFF), (M8), (V8) \ + , (R9 >> 8), (R9 & 0xFF), (M9), (V9) \ + , (R10 >> 8), (R10 & 0xFF), (M10), (V10) \ + , (R11 >> 8), (R11 & 0xFF), (M11), (V11) \ + +/*! Macro for Configuration Setting with thirteen register-mask-value sets: + * - Configuration ID[2], Number of Register sets to follow[1], Register[2], Mask[1], Value[1], Register[2], Mask[1], Value[1], Register[2]... */ +#define MODE_ENTRY_13_REG(MODE, R0, M0, V0, R1, M1, V1, R2, M2, V2, R3, M3, V3, R4, M4, V4, R5, M5, V5, R6, M6, V6, R7, M7, V7, R8, M8, V8, R9, M9, V9, R10, M10, V10, R11, M11, V11, R12, M12, V12) \ + (MODE >> 8), (MODE & 0xFF),13, (R0 >> 8), (R0 & 0xFF), (M0), (V0) \ + , (R1 >> 8), (R1 & 0xFF), (M1), (V1) \ + , (R2 >> 8), (R2 & 0xFF), (M2), (V2) \ + , (R3 >> 8), (R3 & 0xFF), (M3), (V3) \ + , (R4 >> 8), (R4 & 0xFF), (M4), (V4) \ + , (R5 >> 8), (R5 & 0xFF), (M5), (V5) \ + , (R6 >> 8), (R6 & 0xFF), (M6), (V6) \ + , (R7 >> 8), (R7 & 0xFF), (M7), (V7) \ + , (R8 >> 8), (R8 & 0xFF), (M8), (V8) \ + , (R9 >> 8), (R9 & 0xFF), (M9), (V9) \ + , (R10 >> 8), (R10 & 0xFF), (M10), (V10) \ + , (R11 >> 8), (R11 & 0xFF), (M11), (V11) \ + , (R12 >> 8), (R12 & 0xFF), (M12), (V12) \ +/* Setting for approximately 14%: */ +#define AM_MOD_DRIVER_LEVEL_DEFAULT 0xb9 +/* + ****************************************************************************** + * GLOBAL DATA TYPES + ****************************************************************************** + */ +const uint8_t rfalAnalogConfigDefaultSettings[] = { + /****** Default Analog Configuration for Chip-Specific. ******/ + MODE_ENTRY_10_REG( RFAL_ANALOG_CONFIG_TECH_CHIP + , ST25R3911_REG_OP_CONTROL, 0x30, 0x10 /* default to AM */ + , ST25R3911_REG_IO_CONF1, 0x06, 0x06 /* MCUCLK: HF clk off */ + , ST25R3911_REG_IO_CONF1, ST25R3911_REG_IO_CONF1_lf_clk_off, ST25R3911_REG_IO_CONF1_lf_clk_off /* MCUCLK: LF clk off */ + , ST25R3911_REG_IO_CONF2, 0x18, 0x18 /* pull downs */ + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_pm, 0x1<<ST25R3911_REG_RX_CONF4_shift_rg2_pm /* increase digitizer window for PM */ + , ST25R3911_REG_ANT_CAL_TARGET, 0xFF, 0x80 /* 90degrees */ + , ST25R3911_REG_ANT_CAL_CONTROL, 0xF8, 0x00 /* trim value from calibrate antenna */ + , ST25R3911_REG_AM_MOD_DEPTH_CONTROL, ST25R3911_REG_AM_MOD_DEPTH_CONTROL_am_s, ST25R3911_REG_AM_MOD_DEPTH_CONTROL_am_s /* AM modulated level is defined by RFO AM Modulated Level Def Reg, fixed setting, no automatic adjustment */ + , ST25R3911_REG_FIELD_THRESHOLD, ST25R3911_REG_FIELD_THRESHOLD_mask_trg, ST25R3911_REG_FIELD_THRESHOLD_trg_75mV + , ST25R3911_REG_FIELD_THRESHOLD, ST25R3911_REG_FIELD_THRESHOLD_mask_rfe, ST25R3911_REG_FIELD_THRESHOLD_rfe_75mV + ) + + /****** Default Analog Configuration for Poll NFC-A Tx. ******/ + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, 0xf0 /* Used for 848 TX: very high AM to keep wave shapes */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, 0x00 /* OOK */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, 0x00 /* OOK */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, 0x00 /* OOK */ + ) + + , MODE_ENTRY_2_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_848 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM! */ + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, 0xf0 /* Used for 848 TX: very high AM to keep wave shapes */ + ) + + /****** Default Analog Configuration for Poll NFC-A Rx. ******/ + , MODE_ENTRY_3_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, 0xff, 0x18 + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_am, 0x2<<ST25R3911_REG_RX_CONF4_shift_rg2_am /* increase digitizer window for AM */ + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_rx_tol, 0x00 /* rx_tol Off */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x00 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x04 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x22 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_848 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x22 + ) + + /****** Default Analog Configuration for Poll NFC-B Tx. ******/ + , MODE_ENTRY_2_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM */ + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, AM_MOD_DRIVER_LEVEL_DEFAULT /* Fixed driver for AM level: ~14% */ + ) + + /****** Default Analog Configuration for Poll NFC-B Rx. ******/ + , MODE_ENTRY_3_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, 0xff, 0x18 + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_am, 0x1<<ST25R3911_REG_RX_CONF4_shift_rg2_am /* increase digitizer window for AM */ + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_rx_tol, ST25R3911_REG_AUX_rx_tol /* rx_tol On as default */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x04 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x04 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x22 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_848 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x22 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_1695 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x6c + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_3390 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x6c + ) + + /****** Default Analog Configuration for Poll NFC-F Tx. ******/ + , MODE_ENTRY_2_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM */ + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, AM_MOD_DRIVER_LEVEL_DEFAULT /* Fixed driver for AM level: ~14% */ + ) + + /****** Default Analog Configuration for Poll NFC-F Common bitrate Rx. ******/ + , MODE_ENTRY_3_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, 0xff, 0x18 + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_am, 0x1<<ST25R3911_REG_RX_CONF4_shift_rg2_am /* increase digitizer window for AM */ + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_rx_tol, ST25R3911_REG_AUX_rx_tol /* rx_tol On as default */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x13 /* dev. from data sheet: lp 300kKz */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x0b /* dev. from data sheet: lp 600kHz */ + ) + + /****** Default Analog Configuration for Poll NFC-V Common bitrate Tx ******/ + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCV | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, 0x00 + ) + + /****** Default Analog Configuration for Poll NFC-V Common bitrate Rx ******/ + , MODE_ENTRY_4_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCV | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x0c /* use filter settings from table 9: "Recommended for 424/484 kHz sub-carrier" */ + , ST25R3911_REG_RX_CONF3, 0xff, 0x18 + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_am, 0x1<<ST25R3911_REG_RX_CONF4_shift_rg2_am /* increase digitizer window for AM */ + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_rx_tol, ST25R3911_REG_AUX_rx_tol /* rx_tol On as default */ + ) + + /****** Default Analog Configuration for Poll AP2P Common bitrate Tx. ******/ + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, AM_MOD_DRIVER_LEVEL_DEFAULT /* Fixed driver for AM level: ~14% */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, 0x00 /* OOK */ + ) + + , MODE_ENTRY_2_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM */ + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, AM_MOD_DRIVER_LEVEL_DEFAULT /* Fixed driver for AM level: ~14% */ + ) + + , MODE_ENTRY_2_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM */ + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, AM_MOD_DRIVER_LEVEL_DEFAULT /* Fixed driver for AM level: ~14% */ + ) + + /****** Default Analog Configuration for Poll AP2P Common bitrate Rx. ******/ + , MODE_ENTRY_4_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x45 + , ST25R3911_REG_RX_CONF3, (ST25R3911_REG_RX_CONF3_lim | ST25R3911_REG_RX_CONF3_rg_nfc), (ST25R3911_REG_RX_CONF3_lim | ST25R3911_REG_RX_CONF3_rg_nfc) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_rx_tol, ST25R3911_REG_AUX_rx_tol /* rx_tol On as default */ + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_am, 0x1<<ST25R3911_REG_RX_CONF4_shift_rg2_am /* increase digitizer window for AM */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, ST25R3911_REG_RX_CONF3_mask_rg1_am, 0xc0 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, ST25R3911_REG_RX_CONF3_mask_rg1_am, 0x00 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, ST25R3911_REG_RX_CONF3_mask_rg1_am, 0x00 + ) + + /****** Default Analog Configuration for Listen AP2P Common bitrate Tx. ******/ + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_RFO_AM_ON_LEVEL, 0xff, AM_MOD_DRIVER_LEVEL_DEFAULT /* Fixed driver for AM level: ~14% */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, 0x00 /* OOK */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_TX) + , ST25R3911_REG_AUX, ST25R3911_REG_AUX_tr_am, ST25R3911_REG_AUX_tr_am /* AM */ + ) + + /****** Default Analog Configuration for Listen AP2P Common bitrate Rx. ******/ + , MODE_ENTRY_3_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF1, 0x7f, 0x45 + , ST25R3911_REG_RX_CONF3, (ST25R3911_REG_RX_CONF3_lim | ST25R3911_REG_RX_CONF3_rg_nfc), (ST25R3911_REG_RX_CONF3_lim | ST25R3911_REG_RX_CONF3_rg_nfc) + , ST25R3911_REG_RX_CONF4, ST25R3911_REG_RX_CONF4_mask_rg2_am, 0x1<<ST25R3911_REG_RX_CONF4_shift_rg2_am /* increase digitizer window for AM */ + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_106 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, ST25R3911_REG_RX_CONF3_mask_rg1_am, 0xc0 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_212 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, ST25R3911_REG_RX_CONF3_mask_rg1_am, 0x00 + ) + + , MODE_ENTRY_1_REG( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_424 | RFAL_ANALOG_CONFIG_RX) + , ST25R3911_REG_RX_CONF3, ST25R3911_REG_RX_CONF3_mask_rg1_am, 0x00 + ) +}; + +#endif /* ST25R3911_ANALOGCONFIG_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_chip.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,194 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_chip.h + * + * \author Gustavo Patricio + * + * \brief RF Chip specific Layer + * + * \warning This layer, which provides direct access to RF chip, should + * only be used for debug purposes and/or advanced features + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-HAL + * @brief RFAL Hardware Abstraction Layer + * @{ + * + * @addtogroup Chip + * @brief RFAL RF Chip Module + * @{ + * + */ + + +#ifndef RFAL_CHIP_H +#define RFAL_CHIP_H + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" + + +/***************************************************************************** + * RF Chip * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief Writes a register on the RF Chip + * + * Checks if the given register is valid and if so, writes the value(s) + * on the RF Chip register + * + * \param[in] reg: register address to be written, or the first if len > 1 + * \param[in] values: pointer with content to be written on the register(s) + * \param[in] len: number of consecutive registers to be written + * + * + * \return ERR_PARAM Invalid register or bad request + * \return ERR_NONE Write done with no error + ***************************************************************************** + */ +ReturnCode rfalChipWriteReg( uint16_t reg, uint8_t* values, uint8_t len, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Reads a register on the RF Chip + * + * Checks if the given register is valid and if so, reads the value(s) + * of the RF Chip register(s) + * + * \param[in] reg: register address to be read, or the first if len > 1 + * \param[out] values: pointer where the register(s) read content will be placed + * \param[in] len: number of consecutive registers to be read + * + * \return ERR_PARAM Invalid register or bad request + * \return ERR_NONE Read done with no error + ***************************************************************************** + */ +ReturnCode rfalChipReadReg( uint16_t reg, uint8_t* values, uint8_t len, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Change a register on the RF Chip + * + * Change the value of the register bits on the RF Chip Test set in the valueMask. + * + * \param[in] reg: register address to be modified + * \param[in] valueMask: mask value of the register bits to be changed + * \param[in] value: register value to be set + * + * \return ERR_PARAM Invalid register or bad request + * \return ERR_OK Change done with no error + ***************************************************************************** + */ +ReturnCode rfalChipChangeRegBits( uint16_t reg, uint8_t valueMask, uint8_t value, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Writes a Test register on the RF Chip + * + * Writes the value on the RF Chip Test register + * + * \param[in] reg: register address to be written + * \param[in] value: value to be written on the register + * + * + * \return ERR_PARAM Invalid register or bad request + * \return ERR_NONE Write done with no error + ***************************************************************************** + */ +ReturnCode rfalChipWriteTestReg( uint16_t reg, uint8_t value, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Reads a Test register on the RF Chip + * + * Reads the value of the RF Chip Test register + * + * \param[in] reg: register address to be read + * \param[out] value: pointer where the register content will be placed + * + * \return ERR_PARAM Invalid register or bad request + * \return ERR_NONE Read done with no error + ***************************************************************************** + */ +ReturnCode rfalChipReadTestReg( uint16_t reg, uint8_t* value ); + +/*! + ***************************************************************************** + * \brief Change a Test register on the RF Chip + * + * Change the value of the register bits on the RF Chip Test set in the valueMask. + * + * \param[in] reg: test register address to be modified + * \param[in] valueMask: mask value of the register bits to be changed + * \param[in] value: register value to be set + * + * \return ERR_PARAM Invalid register or bad request + * \return ERR_OK Change done with no error + ***************************************************************************** + */ +ReturnCode rfalChipChangeTestRegBits( uint16_t reg, uint8_t valueMask, uint8_t value, SPI* mspiChannel, ST25R3911* mST25, + DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Execute command on the RF Chip + * + * Checks if the given command is valid and if so, executes it on + * the RF Chip + * + * \param[in] cmd: direct command to be executed + * + * \return ERR_PARAM Invalid command or bad request + * \return ERR_NONE Direct command executed with no error + ***************************************************************************** + */ +ReturnCode rfalChipExecCmd( uint16_t cmd, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +#endif /* RFAL_CHIP_H */ + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_crc.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,83 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_crc.c + * + * \author Oliver Regenfelder + * + * \brief CRC calculation implementation + * + */ + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "rfal_crc.h" + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +static uint16_t rfalCrcUpdateCcitt(uint16_t crc, uint8_t dat); + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ +uint16_t rfalCrcCalculateCcitt(uint16_t preloadValue, const uint8_t* buf, uint16_t length) +{ + uint16_t crc = preloadValue; + uint16_t index; + + for (index = 0; index < length; index++) + { + crc = rfalCrcUpdateCcitt(crc, buf[index]); + } + + return crc; +} + +/* +****************************************************************************** +* LOCAL FUNCTIONS +****************************************************************************** +*/ +static uint16_t rfalCrcUpdateCcitt(uint16_t crc, uint8_t dat) +{ + dat ^= ((uint8_t)crc) & 0xFF; + dat ^= dat << 4; + + crc = (crc >> 8)^(((uint16_t) dat) << 8)^(((uint16_t) dat) << 3)^(((uint16_t) dat) >> 4); + + return crc; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_crc.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,75 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_crc.h + * + * \author Ulrich Herrmann + * + * \brief CRC calculation module + * + */ +/*! + * + */ + +#ifndef RFAL_CRC_H_ +#define RFAL_CRC_H_ + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "platform1.h" + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +/*! + ***************************************************************************** + * \brief Calculate CRC according to CCITT standard. + * + * This function takes \a length bytes from \a buf and calculates the CRC + * for this data. The result is returned. + * \note This implementation calculates the CRC with LSB first, i.e. all + * bytes are "read" from right to left. + * + * \param[in] preloadValue : Initial value of CRC calculation. + * \param[in] buf : buffer to calculate the CRC for. + * \param[in] length : size of the buffer. + * + * \return 16 bit long crc value. + * + ***************************************************************************** + */ +extern uint16_t rfalCrcCalculateCcitt(uint16_t preloadValue, const uint8_t* buf, uint16_t length); + +#endif /* RFAL_CRC_H_ */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_features.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,114 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file + * + * \author Gustavo Patricio + * + * \brief RFAL Features/Capabilities Definition for ST25R3911 + */ + + +#ifndef RFAL_FEATURES_H +#define RFAL_FEATURES_H + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "platform1.h" + +/* +****************************************************************************** +* GLOBAL DEFINES +****************************************************************************** +*/ + +#define RFAL_SUPPORT_MODE_POLL_NFCA true /*!< RFAL Poll NFCA mode support switch */ +#define RFAL_SUPPORT_MODE_POLL_NFCB true /*!< RFAL Poll NFCB mode support switch */ +#define RFAL_SUPPORT_MODE_POLL_NFCF true /*!< RFAL Poll NFCF mode support switch */ +#define RFAL_SUPPORT_MODE_POLL_NFCV true /*!< RFAL Poll NFCV mode support switch */ +#define RFAL_SUPPORT_MODE_POLL_ACTIVE_P2P true /*!< RFAL Poll AP2P mode support switch */ +#define RFAL_SUPPORT_MODE_LISTEN_NFCA false /*!< RFAL Listen NFCA mode support switch */ +#define RFAL_SUPPORT_MODE_LISTEN_NFCB false /*!< RFAL Listen NFCB mode support switch */ +#define RFAL_SUPPORT_MODE_LISTEN_NFCF false /*!< RFAL Listen NFCF mode support switch */ +#define RFAL_SUPPORT_MODE_LISTEN_ACTIVE_P2P true /*!< RFAL Listen AP2P mode support switch */ + +/*******************************************************************************/ +/*! RFAL supported Card Emulation (CE) */ +#define RFAL_SUPPORT_CE ( RFAL_SUPPORT_MODE_LISTEN_NFCA || RFAL_SUPPORT_MODE_LISTEN_NFCB || RFAL_SUPPORT_MODE_LISTEN_NFCF ) + +/*! RFAL supported Reader/Writer (RW) */ +#define RFAL_SUPPORT_RW ( RFAL_SUPPORT_MODE_POLL_NFCA || RFAL_SUPPORT_MODE_POLL_NFCB || RFAL_SUPPORT_MODE_POLL_NFCF || RFAL_SUPPORT_MODE_POLL_NFCV ) + +/*! RFAL support for Active P2P (AP2P) */ +#define RFAL_SUPPORT_AP2P ( RFAL_SUPPORT_MODE_POLL_ACTIVE_P2P || RFAL_SUPPORT_MODE_POLL_ACTIVE_P2P ) + + +/*******************************************************************************/ +#define RFAL_SUPPORT_BR_RW_106 true /*!< RFAL RW 106 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_RW_212 true /*!< RFAL RW 212 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_RW_424 true /*!< RFAL RW 424 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_RW_848 true /*!< RFAL RW 848 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_RW_1695 true /*!< RFAL RW 1695 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_RW_3390 true /*!< RFAL RW 3390 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_RW_6780 false /*!< RFAL RW 6780 Bit Rate support switch */ + + +/*******************************************************************************/ +#define RFAL_SUPPORT_BR_AP2P_106 true /*!< RFAL AP2P 106 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_AP2P_212 true /*!< RFAL AP2P 212 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_AP2P_424 true /*!< RFAL AP2P 424 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_AP2P_848 false /*!< RFAL AP2P 848 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_AP2P_1695 false /*!< RFAL AP2P 1695 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_AP2P_3390 false /*!< RFAL AP2P 3390 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_AP2P_6780 false /*!< RFAL AP2P 6780 Bit Rate support switch */ + + +/*******************************************************************************/ +#define RFAL_SUPPORT_BR_CE_A_106 false /*!< RFAL CE A 106 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_A_212 false /*!< RFAL CE A 212 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_A_424 false /*!< RFAL CE A 424 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_A_848 false /*!< RFAL CE A 848 Bit Rate support switch */ + + +/*******************************************************************************/ +#define RFAL_SUPPORT_BR_CE_B_106 false /*!< RFAL CE B 106 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_B_212 false /*!< RFAL CE B 212 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_B_424 false /*!< RFAL CE B 424 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_B_848 false /*!< RFAL CE B 848 Bit Rate support switch */ + + +/*******************************************************************************/ +#define RFAL_SUPPORT_BR_CE_F_212 false /*!< RFAL CE F 212 Bit Rate support switch */ +#define RFAL_SUPPORT_BR_CE_F_424 false /*!< RFAL CE F 424 Bit Rate support switch */ + + +#endif /* RFAL_FEATURES_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_iso15693_2.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,492 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_iso15693_2.c + * + * \author Ulrich Herrmann + * + * \brief Implementation of ISO-15693-2 + * + */ + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "rfal_iso15693_2.h" +#include "rfal_crc.h" +#include "utils.h" +#include "platform1.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_NFCV + #error " RFAL: Module configuration missing. Please enable/disable NFC-V module by setting: RFAL_FEATURE_NFCV " +#endif + +#if RFAL_FEATURE_NFCV + +/* +****************************************************************************** +* LOCAL MACROS +****************************************************************************** +*/ + +/* #define ISO_15693_DEBUG dbgLog */ +#define ISO_15693_DEBUG(...) /*!< Macro for the log method */ + +/* +****************************************************************************** +* LOCAL DEFINES +****************************************************************************** +*/ +#define ISO15693_DAT_SOF_1_4 0x21 /* LSB constants */ +#define ISO15693_DAT_EOF_1_4 0x04 +#define ISO15693_DAT_00_1_4 0x02 +#define ISO15693_DAT_01_1_4 0x08 +#define ISO15693_DAT_10_1_4 0x20 +#define ISO15693_DAT_11_1_4 0x80 + +#define ISO15693_DAT_SOF_1_256 0x81 +#define ISO15693_DAT_EOF_1_256 0x04 +#define ISO15693_DAT_SLOT0_1_256 0x02 +#define ISO15693_DAT_SLOT1_1_256 0x08 +#define ISO15693_DAT_SLOT2_1_256 0x20 +#define ISO15693_DAT_SLOT3_1_256 0x80 + +#define ISO15693_PHY_DAT_MANCHESTER_1 0xaaaa + +#define ISO15693_PHY_BIT_BUFFER_SIZE 1000 /*!< + size of the receiving buffer. Might be adjusted + if longer datastreams are expected. */ + + +/* +****************************************************************************** +* LOCAL VARIABLES +****************************************************************************** +*/ +static iso15693PhyConfig_t iso15693PhyConfig; /*!< current phy configuration */ + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +static ReturnCode iso15693PhyVCDCode1Of4(const uint8_t data, uint8_t* outbuf, uint16_t maxOutBufLen, uint16_t* outBufLen); +static ReturnCode iso15693PhyVCDCode1Of256(const uint8_t data, uint8_t* outbuf, uint16_t maxOutBufLen, uint16_t* outBufLen); + +static struct iso15693StreamConfig stream_config = { + .useBPSK = 0, /* 0: subcarrier, 1:BPSK */ + .din = 5, /* 2^5*fc = 423750 Hz: divider for the in subcarrier frequency */ + .dout = 7, /*!< 2^7*fc = 105937 : divider for the in subcarrier frequency */ + .report_period_length = 3, /*!< 8=2^3 the length of the reporting period */ +}; + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ +ReturnCode iso15693PhyConfigure(const iso15693PhyConfig_t* config, const struct iso15693StreamConfig ** needed_stream_config ) +{ + + /* make a copy of the configuration */ + ST_MEMCPY(&iso15693PhyConfig, (uint8_t*)config, sizeof(iso15693PhyConfig_t)); + + /* If in fast mode the report period is half: 4=2^2 */ + stream_config.report_period_length = ( config->fastMode ? 2 : 3 ); + + *needed_stream_config = &stream_config; + + return ERR_NONE; +} + +ReturnCode iso15693PhyGetConfiguration(iso15693PhyConfig_t* config) +{ + ST_MEMCPY(config, &iso15693PhyConfig, sizeof(iso15693PhyConfig_t)); + + return ERR_NONE; +} + +ReturnCode iso15693VCDCode(uint8_t* buffer, uint16_t length, bool sendCrc, bool sendFlags, bool picopassMode, + uint16_t *subbit_total_length, uint16_t *offset, + uint8_t* outbuf, uint16_t outBufSize, uint16_t* actOutBufSize) +{ + ReturnCode err = ERR_NONE; + uint8_t eof, sof; + uint8_t transbuf[2]; + uint16_t crc = 0; + ReturnCode (*txFunc)(const uint8_t, uint8_t*, uint16_t, uint16_t*); + uint8_t crc_len; + + crc_len = ((sendCrc)?2:0); + + *actOutBufSize = 0; + + if (ISO15693_VCD_CODING_1_4 == iso15693PhyConfig.coding) + { + sof = ISO15693_DAT_SOF_1_4; + eof = ISO15693_DAT_EOF_1_4; + txFunc = iso15693PhyVCDCode1Of4; + *subbit_total_length = ( + ( 1 /* SOF */ + + (length + crc_len) * 4 + + 1) /* EOF */ + ); + if (outBufSize < 5) /* 5 should be safe: enough for sof + 1byte data in 1of4 */ + return ERR_NOMEM; + } + else + { + sof = ISO15693_DAT_SOF_1_256; + eof = ISO15693_DAT_EOF_1_256; + txFunc = iso15693PhyVCDCode1Of256; + *subbit_total_length = ( + ( 1 /* SOF */ + + (length + crc_len) * 64 + + 1) /* EOF */ + ); + + if (*offset) + { + if (outBufSize < 64) /* 64 should be safe: enough a single byte data in 1of256 */ + return ERR_NOMEM; + } + else + { + if (outBufSize < 65) /* At beginning of a frame we need at least 65 bytes to start: enough for sof + 1byte data in 1of256 */ + return ERR_NOMEM; + } + } + + if (length == 0) + { + *subbit_total_length = 1; + } + + if (length && (0 == *offset) && sendFlags && !picopassMode) + { + /* set high datarate flag */ + buffer[0] |= ISO15693_REQ_FLAG_HIGH_DATARATE; + /* clear sub-carrier flag - we only support single sub-carrier */ + buffer[0] &= ~ISO15693_REQ_FLAG_TWO_SUBCARRIERS; + } + + /* Send SOF if at 0 offset */ + if (length && 0 == *offset) + { + *outbuf = sof; + (*actOutBufSize)++; + outBufSize--; + outbuf++; + } + + while (*offset < length && err == ERR_NONE) + { + uint16_t filled_size; + /* send data */ + err = txFunc(buffer[*offset], outbuf, outBufSize, &filled_size); + (*actOutBufSize) += filled_size; + outbuf+=filled_size; + outBufSize -= filled_size; + if (!err) (*offset)++; + } + if (err) return ERR_AGAIN; + + while (!err && sendCrc && *offset < length + 2) + { + uint16_t filled_size; + if (0==crc) + { + crc = rfalCrcCalculateCcitt( ((picopassMode) ? 0xE012 : 0xFFFF), /* In PicoPass Mode a different Preset Value is used */ + ((picopassMode) ? (buffer + 1) : buffer), /* CMD byte is not taken into account in PicoPass mode */ + ((picopassMode) ? (length - 1) : length)); /* CMD byte is not taken into account in PicoPass mode */ + + crc = ((picopassMode) ? crc : ~crc); + } + /* send crc */ + transbuf[0] = crc & 0xff; + transbuf[1] = (crc >> 8) & 0xff; + err = txFunc(transbuf[*offset - length], outbuf, outBufSize, &filled_size); + (*actOutBufSize) += filled_size; + outbuf+=filled_size; + outBufSize -= filled_size; + if(!err) (*offset)++; + } + if (err) return ERR_AGAIN; + + if ((!sendCrc && (*offset) == length) + || (sendCrc && (*offset) == length + 2)) + { + *outbuf = eof; + (*actOutBufSize)++; + outBufSize--; + outbuf++; + } + else return ERR_AGAIN; + + return err; +} + +ReturnCode iso15693VICCDecode(uint8_t *inBuf, + uint16_t inBufLen, + uint8_t* outBuf, + uint16_t outBufLen, + uint16_t* outBufPos, + uint16_t* bitsBeforeCol, + uint16_t ignoreBits, + bool picopassMode ) +{ + ReturnCode err = ERR_NONE; + uint16_t crc; + uint16_t mp; /* Current bit position in manchester bit inBuf*/ + uint16_t bp; /* Current bit postion in outBuf */ + + *bitsBeforeCol = 0; + *outBufPos = 0; + + /* first check for valid SOF. Since it starts with 3 unmodulated pulses it is 0x17. */ + if ((inBuf[0] & 0x1f) != 0x17) + { + ISO_15693_DEBUG("0x%x\n", iso15693PhyBitBuffer[0]); + err = ERR_FRAMING; + goto out; + } + ISO_15693_DEBUG("SOF\n"); + + if (!outBufLen) + { + goto out; + } + + mp = 5; /* 5 bits were SOF, now manchester starts: 2 bits per payload bit */ + bp = 0; + + memset(outBuf,0,outBufLen); + + for ( ; mp < inBufLen * 8 - 2; mp+=2 ) + { + uint8_t man; + man = (inBuf[mp/8] >> mp%8) & 0x1; + man |= ((inBuf[(mp+1)/8] >> (mp+1)%8) & 0x1) << 1; + if (1 == man) + { + bp++; + } + if (2 == man) + { + outBuf[bp/8] |= 1 << (bp%8); + bp++; + } + if (bp%8 == 0) + { /* Check for EOF */ + ISO_15693_DEBUG("ceof %hhx %hhx\n", inBuf[mp/8], inBuf[mp/8+1]); + if ( ((inBuf[mp/8] & 0xe0) == 0xa0) + &&(inBuf[mp/8+1] == 0x03)) + { /* Now we know that it was 10111000 = EOF */ + ISO_15693_DEBUG("EOF\n"); + break; + } + } + if (0 == man || 3 == man) + { + if (bp >= ignoreBits) + { + err = ERR_RF_COLLISION; + break; + } + /* ignored collision: leave as 0 */ + bp++; + } + if (bp >= outBufLen * 8) + { /* Don't write beyond the end */ + break; + } + } + + *outBufPos = bp / 8; + *bitsBeforeCol = bp; + + if (err) goto out; + + if (bp%8 != 0) + { + err = ERR_CRC; + goto out; + } + + if (*outBufPos > 2) + { + /* finally, check crc */ + ISO_15693_DEBUG("Calculate CRC, val: 0x%x, outBufLen: ", *outBuf); + ISO_15693_DEBUG("0x%x ", *outBufPos - 2); + + crc = rfalCrcCalculateCcitt( ((picopassMode) ? 0xE012 : 0xFFFF), outBuf, *outBufPos - 2); + crc = ((picopassMode) ? crc : ~crc); + + if (((crc & 0xff) == outBuf[*outBufPos-2]) && + (((crc >> 8) & 0xff) == outBuf[*outBufPos-1])) + { + err = ERR_NONE; + ISO_15693_DEBUG("OK\n"); + } + else + { + ISO_15693_DEBUG("error! Expected: 0x%x, got ", crc); + ISO_15693_DEBUG("0x%hhx 0x%hhx\n", outBuf[*outBufPos-2], outBuf[*outBufPos-1]); + err = ERR_CRC; + } + } + else + { + err = ERR_CRC; + } +out: + return err; +} + +/* +****************************************************************************** +* LOCAL FUNCTIONS +****************************************************************************** +*/ +/*! + ***************************************************************************** + * \brief Perform 1 of 4 coding and send coded data + * + * This function takes \a length bytes from \a buffer, perform 1 of 4 coding + * (see ISO15693-2 specification) and sends the data using stream mode. + * + * \param[in] sendSof : send SOF prior to data. + * \param[in] buffer : data to send. + * \param[in] length : number of bytes to send. + * + * \return ERR_IO : Error during communication. + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +static ReturnCode iso15693PhyVCDCode1Of4(const uint8_t data, uint8_t* outbuf, uint16_t maxOutBufLen, uint16_t* outBufLen) +{ + uint8_t tmp; + ReturnCode err = ERR_NONE; + uint16_t a; + + *outBufLen = 0; + + if (maxOutBufLen < 4) + return ERR_NOMEM; + + tmp = data; + for (a = 0; a < 4; a++) + { + switch (tmp & 0x3) + { + case 0: + *outbuf = ISO15693_DAT_00_1_4; + break; + case 1: + *outbuf = ISO15693_DAT_01_1_4; + break; + case 2: + *outbuf = ISO15693_DAT_10_1_4; + break; + case 3: + *outbuf = ISO15693_DAT_11_1_4; + break; + } + outbuf++; + (*outBufLen)++; + tmp >>= 2; + } + return err; +} + +/*! + ***************************************************************************** + * \brief Perform 1 of 256 coding and send coded data + * + * This function takes \a length bytes from \a buffer, perform 1 of 256 coding + * (see ISO15693-2 specification) and sends the data using stream mode. + * \note This function sends SOF prior to the data. + * + * \param[in] sendSof : send SOF prior to data. + * \param[in] buffer : data to send. + * \param[in] length : number of bytes to send. + * + * \return ERR_IO : Error during communication. + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +static ReturnCode iso15693PhyVCDCode1Of256(const uint8_t data, uint8_t* outbuf, uint16_t maxOutBufLen, uint16_t* outBufLen) +{ + uint8_t tmp; + ReturnCode err = ERR_NONE; + uint16_t a; + + *outBufLen = 0; + + if (maxOutBufLen < 64) + return ERR_NOMEM; + + tmp = data; + for (a = 0; a < 64; a++) + { + switch (tmp) + { + case 0: + *outbuf = ISO15693_DAT_SLOT0_1_256; + break; + case 1: + *outbuf = ISO15693_DAT_SLOT1_1_256; + break; + case 2: + *outbuf = ISO15693_DAT_SLOT2_1_256; + break; + case 3: + *outbuf = ISO15693_DAT_SLOT3_1_256; + break; + default: + *outbuf = 0; + } + outbuf++; + (*outBufLen)++; + tmp -= 4; + } + + return err; +} + +#endif /* RFAL_FEATURE_NFCV */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_iso15693_2.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,209 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_iso15693.h + * + * \author Ulrich Herrmann + * + * \brief Implementation of ISO-15693-2 + * + */ +/*! + * + */ + +#ifndef RFAL_ISO_15693_2_H +#define RFAL_ISO_15693_2_H + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "platform1.h" +#include "st_errno.h" +#include <stdbool.h> +/* +****************************************************************************** +* GLOBAL DATATYPES +****************************************************************************** +*/ +/*! + * enum holding possible VCD codings + */ +typedef enum +{ + ISO15693_VCD_CODING_1_4, + ISO15693_VCD_CODING_1_256 +}iso15693VcdCoding_t; + +/*! + * enum holding possible VICC datarates + */ + +/*! + * Configuration parameter used by #iso15693PhyConfigure + */ +typedef struct +{ + iso15693VcdCoding_t coding; /*!< desired VCD coding */ + bool fastMode; /*!< Fast mode - all pulse numbers and times are divided by 2 */ +}iso15693PhyConfig_t; + +/*! Parameters how the stream mode should work */ +struct iso15693StreamConfig { + uint8_t useBPSK; /*!< 0: subcarrier, 1:BPSK */ + uint8_t din; /*!< the divider for the in subcarrier frequency: fc/2^din */ + uint8_t dout; /*!< the divider for the in subcarrier frequency fc/2^dout */ + uint8_t report_period_length; /*!< the length of the reporting period 2^report_period_length*/ +}; +/* +****************************************************************************** +* GLOBAL CONSTANTS +****************************************************************************** +*/ + +/* t1min = 308,2us = 4192/fc = 65.5 * 64/fc */ +#define ISO15693_MASK_RECEIVE_TIME (65) + +/* t1max = 323,3us = 4384/fc = 68.5 * 64/fc + * 12 = 768/fc unmodulated time of single subcarrior SoF */ +#define ISO15693_NO_RESPONSE_TIME (69 + 12) + + +#define ISO15693_REQ_FLAG_TWO_SUBCARRIERS 0x01 +#define ISO15693_REQ_FLAG_HIGH_DATARATE 0x02 +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +/*! + ***************************************************************************** + * \brief Initialize the ISO15693 phy. + * \note This function needs to be called every time after switching + * from a different mode and before #iso15693Initialize + * + * \param[in] config : ISO15693 phy related configuration (See #iso15693PhyConfig_t) + * \param[out] needed_stream_config : return a pointer to the stream config + * needed for this iso15693 config. To be used for configure RF chip. + * + * \return ERR_IO : Error during communication. + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +extern ReturnCode iso15693PhyConfigure(const iso15693PhyConfig_t* config, + const struct iso15693StreamConfig ** needed_stream_config ); + +/*! + ***************************************************************************** + * \brief Return current phy configuration. + * + * This function returns current Phy configuration previously + * set by #iso15693PhyConfigure + * + * \param[out] config : ISO15693 phy configuration. + * + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +extern ReturnCode iso15693PhyGetConfiguration(iso15693PhyConfig_t* config); + +/*! + ***************************************************************************** + * \brief Code an ISO15693 compatible frame + * + * This function takes \a length bytes from \a buffer, perform proper + * encoding and sends out the frame to the ST25R3911. + * + * \param[in] buffer : data to send, modified to adapt flags. + * \param[in] length : number of bytes to send. + * \param[in] sendCrc : If set to true, CRC is appended to the frame + * \param[in] sendFlags: If set to true, flag field is sent according to + * ISO15693. + * \param[in] picopassMode : If set to true, the coding will be according to Picopass + * \param[out] subbit_total_length : Return the complete bytes which need to + * be send for the current coding + * \param[in,out] offset : Set to 0 for first transfer, function will update it to + point to next byte to be coded + * \param[out] outbuf : buffer where the function will store the coded subbit stream + * \param[out] outBufSize : the size of the output buffer + * \param[out] actOutBufSize : the amount of data stored into the buffer at this call + * + * \return ERR_IO : Error during communication. + * \return ERR_AGAIN : Data was not coded all the way. Call function again with a new/emptied buffer + * \return ERR_NO_MEM : In case outBuf is not big enough. Needs to have at + least 5 bytes for 1of4 coding and 65 bytes for 1of256 coding + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +extern ReturnCode iso15693VCDCode(uint8_t* buffer, uint16_t length, bool sendCrc, bool sendFlags, bool picopassMode, + uint16_t *subbit_total_length, uint16_t *offset, + uint8_t* outbuf, uint16_t outBufSize, uint16_t* actOutBufSize); + + +/*! + ***************************************************************************** + * \brief Receive an ISO15693 compatible frame + * + * This function receives an ISO15693 frame from the ST25R3911, decodes the frame + * and writes the raw data to \a buffer. + * \note Buffer needs to be big enough to hold CRC also (+2 bytes) + * + * \param[out] inBuf : buffer with the hamming coded stream to be decoded + * \param[in] inBufLen : number of bytes to decode (=length of buffer). + * \param[out] outBuf : buffer where received data shall be written to. + * \param[in] outBufLen : Length of output buffer, should be approx twice the size of inBuf + * \param[out] outBufPos : The number of decoded bytes. Could be used in + * extended implementation to allow multiple calls + * \param[out] bitsBeforeCol : in case of ERR_COLLISION this value holds the + * number of bits in the current byte where the collision happened. + * \param[in] ignoreBits : number of bits in the beginning where collisions will be ignored + * \param[in] picopassMode : if set to true, the decoding will be according to Picopass + * + * \return ERR_COLLISION : collision occured, data uncorrect + * \return ERR_CRC : CRC error, data uncorrect + * \return ERR_TIMEOUT : timeout waiting for data. + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +extern ReturnCode iso15693VICCDecode(uint8_t *inBuf, + uint16_t inBufLen, + uint8_t* outBuf, + uint16_t outBufLen, + uint16_t* outBufPos, + uint16_t* bitsBeforeCol, + uint16_t ignoreBits, + bool picopassMode ); + +#endif /* RFAL_ISO_15693_2_H */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_isoDep.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,2273 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: NFCC firmware + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_isoDep.c + * + * \author Gustavo Patricio + * + * \brief Implementation of ISO-DEP protocol + * + * This implementation was based on the following specs: + * - ISO/IEC 14443-4 2nd Edition 2008-07-15 + * - NFC Forum Digital Protocol 1.1 2014-01-14 + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ + +#include "rfal_isoDep.h" +#include "rfal_rf.h" +#include "utils.h" +#include "platform1.h" + + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_ISO_DEP + #error " RFAL: Module configuration missing. Please enable/disable ISO-DEP module by setting: RFAL_FEATURE_ISO_DEP " +#endif + +#if RFAL_FEATURE_ISO_DEP + +/* Check for valid I-Block length [RFAL_ISODEP_FSX_16 ; RFAL_ISODEP_FSX_4096]*/ +#if( (RFAL_FEATURE_ISO_DEP_IBLOCK_MAX_LEN > 4096 ) || (RFAL_FEATURE_ISO_DEP_IBLOCK_MAX_LEN < 16) ) + #error " RFAL: Invalid ISO-DEP IBlock Max length. Please change RFAL_FEATURE_ISO_DEP_IBLOCK_MAX_LEN. " +#endif + +/* Check for valid APDU length, It must be n*IBlock */ +#if( (RFAL_FEATURE_ISO_DEP_APDU_MAX_LEN < RFAL_FEATURE_ISO_DEP_IBLOCK_MAX_LEN) || (RFAL_FEATURE_ISO_DEP_APDU_MAX_LEN % RFAL_FEATURE_ISO_DEP_IBLOCK_MAX_LEN) ) + #error " RFAL: Invalid ISO-DEP APDU Max length. Please change RFAL_FEATURE_ISO_DEP_APDU_MAX_LEN. " +#endif + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ +#define ISODEP_CRC_LEN RFAL_CRC_LEN /*!< ISO1443 CRC Length */ + + +#define ISODEP_PCB_POS (0) /*!< PCB position on message header*/ +#define ISODEP_SWTX_INF_POS (1) /*!< INF position in a S-WTX */ + +#define ISODEP_DID_POS (1) /*!< DID position on message header*/ +#define ISODEP_SWTX_PARAM_LEN (1) /*!< SWTX parameter length */ + +#define ISODEP_DSL_MAX_LEN ( RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN ) /*!< Deselect Req/Res length */ + +#define ISODEP_PCB_xBLOCK_MASK (0xC0) /*!< Bit mask for Block type */ +#define ISODEP_PCB_IBLOCK (0x00) /*!< Bit mask indicating a I-Block */ +#define ISODEP_PCB_RBLOCK (0x80) /*!< Bit mask indicating a R-Block */ +#define ISODEP_PCB_SBLOCK (0xC0) /*!< Bit mask indicating a S-Block */ +#define ISODEP_PCB_INVALID (0x40) /*!< Bit mask of an Invalid PCB */ + +#define ISODEP_HDR_MAX_LEN (RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN + RFAL_ISODEP_NAD_LEN) /*!< Max header length (PCB + DID + NAD) */ + +#define ISODEP_PCB_IB_VALID_MASK (ISODEP_PCB_B6_BIT | ISODEP_PCB_B2_BIT) /*!< Bit mask for the MUST bits on I-Block */ +#define ISODEP_PCB_IB_VALID_VAL (ISODEP_PCB_B2_BIT) /*!< Value for the MUST bits on I-Block */ +#define ISODEP_PCB_RB_VALID_MASK (ISODEP_PCB_B6_BIT | ISODEP_PCB_B3_BIT | ISODEP_PCB_B2_BIT) /*!< Bit mask for the MUST bits on R-Block */ +#define ISODEP_PCB_RB_VALID_VAL (ISODEP_PCB_B6_BIT | ISODEP_PCB_B2_BIT) /*!< Value for the MUST bits on R-Block */ +#define ISODEP_PCB_SB_VALID_MASK (ISODEP_PCB_B3_BIT | ISODEP_PCB_B2_BIT | ISODEP_PCB_B1_BIT) /*!< Bit mask for the MUST bits on I-Block */ +#define ISODEP_PCB_SB_VALID_VAL (ISODEP_PCB_B2_BIT) /*!< Value for the MUST bits on I-Block */ + + +#define ISODEP_PCB_B1_BIT (0x01) /*!< Bit mask for the RFU S Blocks */ +#define ISODEP_PCB_B2_BIT (0x02) /*!< Bit mask for the RFU bit2 in I,S,R Blocks */ +#define ISODEP_PCB_B3_BIT (0x04) /*!< Bit mask for the RFU bit3 in R Blocks */ +#define ISODEP_PCB_B6_BIT (0x20) /*!< Bit mask for the RFU bit2 in R Blocks */ +#define ISODEP_PCB_CHAINING_BIT (0x10) /*!< Bit mask for the chaining bit of an ISO DEP I-Block in PCB. */ +#define ISODEP_PCB_DID_BIT (0x08) /*!< Bit mask for the DID presence bit of an ISO DEP I,S,R Blocks PCB. */ +#define ISODEP_PCB_NAD_BIT (0x04) /*!< Bit mask for the NAD presence bit of an ISO DEP I,S,R Blocks in PCB */ +#define ISODEP_PCB_BN_MASK (0x01) /*!< Bit mask for the block number of an ISO DEP I,R Block in PCB */ + +#define ISODEP_SWTX_PL_MASK (0xC0) /*!< Bit mask for the Power Level bits of the inf byte of an WTX request or response */ +#define ISODEP_SWTX_WTXM_MASK (0x3F) /*!< Bit mask for the WTXM bits of the inf byte of an WTX request or response */ + + +#define ISODEP_RBLOCK_INF_LEN (0) /*!< INF length of R-Block Digital 1.1 15.1.3 */ +#define ISODEP_SDSL_INF_LEN (0) /*!< INF length of S(DSL) Digital 1.1 15.1.3 */ +#define ISODEP_SWTX_INF_LEN (1) /*!< INF length of S(WTX) Digital 1.1 15.2.2 */ + +#define ISODEP_WTXM_MIN (1) /*!< Minimum allowed value for the WTXM, Digital 1.0 13.2.2 */ +#define ISODEP_WTXM_MAX (59) /*!< Maximum allowed value for the WTXM, Digital 1.0 13.2.2 */ + +#define ISODEP_PCB_Sxx_MASK (0x30) /*!< Bit mask for the S-Block type */ +#define ISODEP_PCB_DESELECT (0x00) /*!< Bit mask for S-Block indicating Deselect */ +#define ISODEP_PCB_WTX (0x30) /*!< Bit mask for S-Block indicating Waiting Time eXtension */ + +#define ISODEP_PCB_Rx_MASK (0x10) /*!< Bit mask for the R-Block type */ +#define ISODEP_PCB_ACK (0x00) /*!< Bit mask for R-Block indicating ACK */ +#define ISODEP_PCB_NAK (0x10) /*!< Bit mask for R-Block indicating NAK */ + +/*! Maximum length of control message (no INF) */ +#define ISODEP_CONTROLMSG_BUF_LEN (RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN + RFAL_ISODEP_NAD_LEN + ISODEP_SWTX_PARAM_LEN) + +#define ISODEP_FWT_DEACTIVATION (71680) /*!< FWT to be used after DESELECT, Digital 1.0 A9 */ +#define ISODEP_MAX_RERUNS (0x0FFFFFFF)/*!< Maximum rerun retrys for a blocking protocol run*/ + + +#define ISODEP_PCBSBLOCK ( 0x00 | ISODEP_PCB_SBLOCK | ISODEP_PCB_B2_BIT ) /*!< PCB Value of a S-Block */ +#define ISODEP_PCB_SDSL ( ISODEP_PCBSBLOCK | ISODEP_PCB_DESELECT ) /*!< PCB Value of a S-Block with DESELECT */ +#define ISODEP_PCB_SWTX ( ISODEP_PCBSBLOCK | ISODEP_PCB_WTX ) /*!< PCB Value of a S-Block with WTX */ + +#define ISODEP_FWI_LIS_MAX_NFC 8 /*!< FWT Listener Max FWIT4ATmax FWIBmax Digital 1.1 A6 & A3 */ +#define ISODEP_FWI_LIS_MAX_EMVCO 7 /*!< FWT Listener Max FWIMAX EMVCo 2.6 A.5 */ +#define ISODEP_FWI_LIS_MAX ((gIsoDep.compMode == RFAL_COMPLIANCE_MODE_EMV) ? ISODEP_FWI_LIS_MAX_EMVCO : ISODEP_FWI_LIS_MAX_NFC) /*!< FWI Listener Max as NFC / EMVCo */ +#define ISODEP_FWT_LIS_MAX rfalIsoDepFWI2FWT(ISODEP_FWI_LIS_MAX) /*!< FWT Listener Max */ + +#define ISODEP_FWI_MIN_10 (1) /*!< Minimum value for FWI Digital 1.0 11.6.2.17 */ +#define ISODEP_FWI_MIN_11 (0) /*!< Default value for FWI Digital 1.1 13.6.2 */ +#define ISODEP_FWI_MAX (14) /*!< Maximum value for FWI Digital 1.0 11.6.2.17 */ +#define ISODEP_SFGI_MIN (0) /*!< Default value for FWI Digital 1.1 13.6.2.22 */ +#define ISODEP_SFGI_MAX (14) /*!< Maximum value for FWI Digital 1.1 13.6.2.22 */ + + +/**********************************************************************************************************************/ +/**********************************************************************************************************************/ +#define RFAL_ISODEP_NO_PARAM (0) /*!< No parameter flag for isoDepHandleControlMsg() */ + +#define RFAL_ISODEP_CMD_RATS (0xE0) /*!< RATS command Digital 1.1 13.6.1 */ + +#define RFAL_ISODEP_ATS_MIN_LEN (1) /*!< Minimum ATS length Digital 1.1 13.6.2 */ +#define RFAL_ISODEP_ATS_HDR_LEN (5) /*!< ATS headerlength Digital 1.1 13.6.2 */ +#define RFAL_ISODEP_ATS_MAX_LEN (RFAL_ISODEP_ATS_HDR_LEN + RFAL_ISODEP_ATS_HB_MAX_LEN) /*!< Maximum ATS length Digital 1.1 13.6.2 */ +#define RFAL_ISODEP_ATS_T0_FSCI_MASK (0x0F) /*!< ATS T0's FSCI mask Digital 1.1 13.6.2 */ +#define RFAL_ISODEP_ATS_TB_FWI_SHIFT (4) /*!< ATS TB's FWI shift Digital 1.1 13.6.2 */ +#define RFAL_ISODEP_ATS_FWI_MASK (0x0F) /*!< ATS TB's FWI shift Digital 1.1 13.6.2 */ + + +#define RFAL_ISODEP_PPS_SB (0xD0) /*!< PPS REQ PPSS's SB value (no CID) ISO14443-4 5.3 */ +#define RFAL_ISODEP_PPS_MASK (0xF0) /*!< PPS REQ PPSS's SB mask ISO14443-4 5.3 */ +#define RFAL_ISODEP_PPS_SB_DID_MASK (0x0F) /*!< PPS REQ PPSS's DID|CID mask ISO14443-4 5.3 */ +#define RFAL_ISODEP_PPS_PPS0_PPS1_PRESENT (0x11) /*!< PPS REQ PPS0 indicating that PPS1 is present */ +#define RFAL_ISODEP_PPS_PPS1 (0x00) /*!< PPS REQ PPS1 fixed value ISO14443-4 5.3 */ +#define RFAL_ISODEP_PPS_PPS1_DSI_SHIFT (2) /*!< PPS REQ PPS1 fixed value ISO14443-4 5.3 */ +#define RFAL_ISODEP_PPS_PPS1_DXI_MASK (0x0F) /*!< PPS REQ PPS1 fixed value ISO14443-4 5.3 */ +#define RFAL_ISODEP_PPS_RES_LEN (1) /*!< PPS Response length ISO14443-4 5.4 */ +#define RFAL_ISODEP_PPS_STARTBYTE_POS (0) /*!< PPS REQ PPSS's byte position ISO14443-4 5.4 */ +#define RFAL_ISODEP_PPS_PPS0_POS (1) /*!< PPS REQ PPS0's byte position ISO14443-4 5.4 */ +#define RFAL_ISODEP_PPS_PPS1_POS (2) /*!< PPS REQ PPS1's byte position ISO14443-4 5.4 */ +#define RFAL_ISODEP_PPS0_VALID_MASK (0xEF) /*!< PPS REQ PPS0 valid coding mask ISO14443-4 5.4 */ + +#define RFAL_ISODEP_CMD_ATTRIB (0x1D) /*!< ATTRIB command Digital 1.1 14.6.1 */ +#define RFAL_ISODEP_ATTRIB_PARAM2_DSI_SHIFT (6) /*!< ATTRIB PARAM2 DSI shift Digital 1.1 14.6.1 */ +#define RFAL_ISODEP_ATTRIB_PARAM2_DRI_SHIFT (4) /*!< ATTRIB PARAM2 DRI shift Digital 1.1 14.6.1 */ +#define RFAL_ISODEP_ATTRIB_PARAM2_DXI_MASK (0xF0) /*!< ATTRIB PARAM2 DxI mask Digital 1.1 14.6.1 */ +#define RFAL_ISODEP_ATTRIB_PARAM2_FSDI_MASK (0x0F) /*!< ATTRIB PARAM2 FSDI mask Digital 1.1 14.6.1 */ +#define RFAL_ISODEP_ATTRIB_PARAM4_DID_MASK (0x0F) /*!< ATTRIB PARAM4 DID mask Digital 1.1 14.6.1 */ +#define RFAL_ISODEP_ATTRIB_HDR_LEN (9) /*!< ATTRIB REQ header length Digital 1.1 14.6.1 */ + +#define RFAL_ISODEP_ATTRIB_RES_HDR_LEN (1) /*!< ATTRIB RES header length Digital 1.1 14.6.2 */ +#define RFAL_ISODEP_ATTRIB_RES_DID_MASK (0x0F) /*!< ATTRIB RES DID mask Digital 1.1 14.6.2 */ +#define RFAL_ISODEP_ATTRIB_RES_MLBI_MASK (0x0F) /*!< ATTRIB RES MBLI mask Digital 1.1 14.6.2 */ +#define RFAL_ISODEP_ATTRIB_RES_MLBI_SHIFT (4) /*!< ATTRIB RES MBLI shift Digital 1.1 14.6.2 */ + +#define RFAL_ISODEP_DID_MASK (0x0F) /*!< ISODEP's DID mask */ +#define RFAL_ISODEP_DID_00 (0) /*!< ISODEP's DID value 0 */ + + +#define RFAL_ISODEP_RATS_PARAM_FSDI_MASK (0xF0) /*!< Mask bits for FSDI in RATS */ +#define RFAL_ISODEP_RATS_PARAM_FSDI_SHIFT (4) /*!< Shift for FSDI in RATS */ +#define RFAL_ISODEP_RATS_PARAM_DID_MASK (0x0F) /*!< Mask bits for DID in RATS */ + +#define RFAL_ISODEP_ATS_TL_OFFSET (0x00) /*!< Offset of TL on ATS */ +#define RFAL_ISODEP_ATS_TA_OFFSET (0x02) /*!< Offset of TA if it is present on ATS */ +#define RFAL_ISODEP_ATS_TB_OFFSET (0x03) /*!< Offset of TB if both TA and TB is present on ATS */ +#define RFAL_ISODEP_ATS_TC_OFFSET (0x04) /*!< Offset of TC if both TA,TB & TC are present on ATS */ +#define RFAL_ISODEP_ATS_HIST_OFFSET (0x05) /*!< Offset of Historical Bytes if TA, TB & TC are present on ATS */ +#define RFAL_ISODEP_ATS_TC_ADV_FEAT (0x10) /*!< Bit mask indicating support for Advanced protocol features: DID & NAD */ +#define RFAL_ISODEP_ATS_TC_DID (0x02) /*!< Bit mask indicating support for DID */ +#define RFAL_ISODEP_ATS_TC_NAD (0x01) /*!< Bit mask indicating support for NAD */ + +#define RFAL_ISODEP_PPS0_PPS1_PRESENT (0x11) /*!< PPS0 byte indicating that PPS1 is present */ +#define RFAL_ISODEP_PPS0_PPS1_NOT_PRESENT (0x01) /*!< PPS0 byte indicating that PPS1 is NOT present */ +#define RFAL_ISODEP_PPS1_DRI_MASK (0x03) /*!< PPS1 byte DRI mask bits */ +#define RFAL_ISODEP_PPS1_DSI_MASK (0x0C) /*!< PPS1 byte DSI mask bits */ +#define RFAL_ISODEP_PPS1_DSI_SHIFT (2) /*!< PPS1 byte DSI shift */ +#define RFAL_ISODEP_PPS1_DxI_MASK (0x03) /*!< PPS1 byte DSI/DRS mask bits */ + + +/*! Delta Time for polling during Activation (ATS) : 20ms Digital 1.0 11.7.1.1 & A.7 */ +#define RFAL_ISODEP_T4T_DTIME_POLL_10 rfalConvMsTo1fc(20) + +/*! Delta Time for polling during Activation (ATS) : 16.4ms Digital 1.1 13.8.1.1 & A.6 + * Use 16 ms as testcase T4AT_BI_10_03 sends a frame exactly at the border */ +#define RFAL_ISODEP_T4T_DTIME_POLL_11 216960 + +/*! Activation frame waiting time FWT(act) = 71680/fc (~5286us) Digital 1.1 13.8.1.1 & A.6 */ +#define RFAL_ISODEP_T4T_FWT_ACTIVATION (71680 + RFAL_ISODEP_T4T_DTIME_POLL_11) + + +/*! Delta frame waiting time = 16/fc Digital 1.0 11.7.1.3 & A.7*/ +#define RFAL_ISODEP_DFWT_10 16 + +/*! Delta frame waiting time = 16/fc Digital 1.1 13.8.1.3 & A.8*/ +#define RFAL_ISODEP_DFWT_11 49152 + +/* + ****************************************************************************** + * MACROS + ****************************************************************************** + */ + +#define isoDep_PCBisIBlock( pcb ) ( (pcb & (ISODEP_PCB_xBLOCK_MASK | ISODEP_PCB_IB_VALID_MASK)) == (ISODEP_PCB_IBLOCK | ISODEP_PCB_IB_VALID_VAL)) /*!< Checks if pcb is a I-Block */ +#define isoDep_PCBisRBlock( pcb ) ( (pcb & (ISODEP_PCB_xBLOCK_MASK | ISODEP_PCB_RB_VALID_MASK)) == (ISODEP_PCB_RBLOCK | ISODEP_PCB_RB_VALID_VAL)) /*!< Checks if pcb is a R-Block */ +#define isoDep_PCBisSBlock( pcb ) ( (pcb & (ISODEP_PCB_xBLOCK_MASK | ISODEP_PCB_SB_VALID_MASK)) == (ISODEP_PCB_SBLOCK | ISODEP_PCB_SB_VALID_VAL)) /*!< Checks if pcb is a S-Block */ + +#define isoDep_PCBisChaining( pcb ) ( (pcb & ISODEP_PCB_CHAINING_BIT) == ISODEP_PCB_CHAINING_BIT) /*!< Checks if pcb is indicating chaining */ + +#define isoDep_PCBisDeselect( pcb ) ( (pcb & ISODEP_PCB_Sxx_MASK) == ISODEP_PCB_DESELECT) /*!< Checks if pcb is indicating DESELECT */ +#define isoDep_PCBisWTX( pcb ) ( (pcb & ISODEP_PCB_Sxx_MASK) == ISODEP_PCB_WTX) /*!< Checks if pcb is indicating WTX */ + +#define isoDep_PCBisACK( pcb ) ( (pcb & ISODEP_PCB_Rx_MASK) == ISODEP_PCB_ACK) /*!< Checks if pcb is indicating ACK */ +#define isoDep_PCBisNAK( pcb ) ( (pcb & ISODEP_PCB_Rx_MASK) == ISODEP_PCB_NAK) /*!< Checks if pcb is indicating ACK */ + +#define isoDep_PCBhasDID( pcb ) ( (pcb & ISODEP_PCB_DID_BIT) == ISODEP_PCB_DID_BIT) /*!< Checks if pcb is indicating DID */ +#define isoDep_PCBhasNAD( pcb ) ( (pcb & ISODEP_PCB_NAD_BIT) == ISODEP_PCB_NAD_BIT) /*!< Checks if pcb is indicating NAD */ + + +#define isoDep_PCBisIChaining( pcb ) ( isoDep_PCBisIBlock(pcb) && isoDep_PCBisChaining(pcb) ) /*!< Checks if pcb is I-Block indicating chaining*/ + +#define isoDep_PCBisSDeselect( pcb ) ( isoDep_PCBisSBlock(pcb) && isoDep_PCBisDeselect(pcb) ) /*!< Checks if pcb is S-Block indicating DESELECT*/ +#define isoDep_PCBisSWTX( pcb ) ( isoDep_PCBisSBlock(pcb) && isoDep_PCBisWTX(pcb) ) /*!< Checks if pcb is S-Block indicating WTX */ + +#define isoDep_PCBisRACK( pcb ) ( isoDep_PCBisRBlock(pcb) && isoDep_PCBisACK(pcb) ) /*!< Checks if pcb is R-Block indicating ACK */ +#define isoDep_PCBisRNAK( pcb ) ( isoDep_PCBisRBlock(pcb) && isoDep_PCBisNAK(pcb) ) /*!< Checks if pcb is R-Block indicating NAK */ + + +#define isoDep_PCBIBlock( bn ) ( (uint8_t)( 0x00 | ISODEP_PCB_IBLOCK | ISODEP_PCB_B2_BIT | (bn & ISODEP_PCB_BN_MASK) )) /*!< Returns an I-Block with the given block number (bn) */ +#define isoDep_PCBIBlockChaining( bn ) ( (uint8_t)(isoDep_PCBIBlock(bn) | ISODEP_PCB_CHAINING_BIT)) /*!< Returns an I-Block with the given block number (bn) indicating chaining */ + +#define isoDep_PCBRBlock( bn ) ( (uint8_t)( 0x00 | ISODEP_PCB_RBLOCK | ISODEP_PCB_B6_BIT | ISODEP_PCB_B2_BIT | (bn & ISODEP_PCB_BN_MASK) ) ) /*!< Returns an R-Block with the given block number (bn) */ +#define isoDep_PCBRACK( bn ) ( (uint8_t)( isoDep_PCBRBlock( bn ) | ISODEP_PCB_ACK ) ) /*!< Returns an R-Block with the given block number (bn) indicating ACK */ +#define isoDep_PCBRNAK( bn ) ( (uint8_t)( isoDep_PCBRBlock( bn ) | ISODEP_PCB_NAK ) ) /*!< Returns an R-Block with the given block number (bn) indicating NAK */ + + +#define isoDep_GetBN( pcb ) ( (uint8_t) ((pcb) & ISODEP_PCB_BN_MASK ) ) /*!< Returns the block number (bn) from the given pcb */ +#define isoDep_GetWTXM( inf ) ( (uint8_t) ((inf) & ISODEP_SWTX_WTXM_MASK) ) /*!< Returns the WTX value from the given inf byte */ +#define isoDep_isWTXMValid( wtxm ) (((wtxm) >= ISODEP_WTXM_MIN) && ((wtxm) <= ISODEP_WTXM_MAX)) /*!< Checks if the given wtxm is valid */ + +#define isoDep_WTXMListenerMax( fwt ) ( MIN( (uint8_t)(ISODEP_FWT_LIS_MAX / fwt), ISODEP_WTXM_MAX) ) /*!< Calculates the Max WTXM value for the given fwt as a Listener */ + +#define isoDepCalcdSGFT( s ) (384 * (uint32_t)(1 << (s))) /*!< Calculates the dSFGT with given SFGI Digital 1.1 13.8.2.1 & A.6*/ +#define isoDepCalcSGFT( s ) (4096 * (uint32_t)(1 << (s))) /*!< Calculates the SFGT with given SFGI Digital 1.1 13.8.2 */ + +#define isoDep_PCBNextBN( bn ) ((uint8_t)((bn^0x01) & ISODEP_PCB_BN_MASK)) /*!< Returns the value of the next block number based on bn */ +#define isoDep_PCBPrevBN( bn ) isoDep_PCBNextBN(bn) /*!< Returns the value of the previous block number based on bn */ +#define isoDep_ToggleBN( bn ) (bn = ((bn^0x01) & ISODEP_PCB_BN_MASK) ) /*!< Toggles the block number value of the given bn */ + +#define isoDep_WTXAdjust( v ) (v - (v>>3)) /*!< Adjust WTX timer value to a percentage of the total, current 88% */ + + +/*! ISO 14443-4 7.5.6.2 & Digital 1.1 - 15.2.6.2 The CE SHALL NOT attempt error recovery and remains in Rx mode upon Transmission or a Protocol Error */ +#define isoDepReEnableRx( rxB, rxBL, rxL ) rfalTransceiveBlockingTx( NULL, 0, rxB, rxBL, rxL, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FWT_NONE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) + +#define isoDepTimerStart( timer, time_ms ) timer = platformTimerCreate(time_ms) /*!< Configures and starts the WTX timer */ +#define isoDepTimerisExpired( timer ) platformTimerIsExpired( timer ) /*!< Checks WTX timer has expired */ + +/* + ****************************************************************************** + * LOCAL DATA TYPES + ****************************************************************************** + */ + +/*! Enumeration of the possible control message types */ +typedef enum isoDepControlMsg +{ + ISODEP_R_ACK, /*!< R-ACK Acknowledge */ + ISODEP_R_NAK, /*!< R-NACK Negative acknowledge */ + ISODEP_S_WTX, /*!< S-WTX Waiting Time Extension */ + ISODEP_S_DSL /*!< S-DSL Deselect */ +} rfalIsoDepControlMsg; + +/*! Enumeration of the IsoDep roles */ +typedef enum{ + ISODEP_ROLE_PCD, /*!< Perform as Reader/PCD */ + ISODEP_ROLE_PICC /*!< Perform as Card/PICC */ +} rfalIsoDepRole; + +/*! ISO-DEP layer states */ +typedef enum isoDepState +{ + ISODEP_ST_IDLE, /*!< Idle State */ + ISODEP_ST_PCD_TX, /*!< PCD Transmission State */ + ISODEP_ST_PCD_RX, /*!< PCD Reception State */ + ISODEP_ST_PCD_WAIT_DSL, /*!< PCD Wait for DSL response */ + + ISODEP_ST_PICC_ACT_ATS, /*!< PICC has replied to RATS (ATS) */ + ISODEP_ST_PICC_ACT_ATTRIB, /*!< PICC has replied to ATTRIB */ + ISODEP_ST_PICC_RX, /*!< PICC REception State */ + ISODEP_ST_PICC_SWTX, /*!< PICC Waiting Time eXtension */ + ISODEP_ST_PICC_TX, /*!< PICC Transmission State */ +} rfalIsoDepState; + + + + +/*! Holds all ISO-DEP data(counters, buffers, ID, timeouts, frame size)*/ +typedef struct{ + rfalIsoDepState state; /*!< ISO-DEP module state */ + rfalIsoDepRole role; /*!< Current ISO-DEP role */ + + uint8_t blockNumber; /*!< Current block number */ + uint8_t did; /*!< Current DID */ + uint8_t nad; /*!< Current DID */ + uint8_t cntIRetrys; /*!< I-Block retry counter */ + uint8_t cntRRetrys; /*!< R-Block retry counter */ + uint8_t cntSRetrys; /*!< S-Block retry counter */ + uint32_t fwt; /*!< Current FWT (Frame Waiting Time) */ + uint32_t dFwt; /*!< Current delta FWT */ + uint16_t fsx; /*!< Current FSx FSC or FSD (max Frame size) */ + bool isTxChaining; /*!< Flag for chaining on Tx */ + bool isRxChaining; /*!< Flag for chaining on Rx */ + uint8_t* txBuf; /*!< Tx buffer pointer */ + uint8_t* rxBuf; /*!< Rx buffer pointer */ + uint16_t txBufLen; /*!< Tx buffer length */ + uint16_t rxBufLen; /*!< Rx buffer length */ + uint8_t txBufInfPos; /*!< Start of payload in txBuf */ + uint8_t rxBufInfPos; /*!< Start of payload in rxBuf */ + + + uint16_t ourFsx; /*!< Our current FSx FSC or FSD (Frame size) */ + uint8_t lastPCB; /*!< Last PCB sent */ + uint8_t lastWTXM; /*!< Last WTXM sent */ + uint8_t atsTA; /*!< TA on ATS */ + uint8_t hdrLen; /*!< Current ISO-DEP length */ + rfalBitRate txBR; /*!< Current Tx Bit Rate */ + rfalBitRate rxBR; /*!< Current Rx Bit Rate */ + uint16_t *rxLen; /*!< Output parameter ptr to Rx length */ + bool *rxChaining; /*!< Output parameter ptr to Rx chaining flag */ + uint32_t WTXTimer; /*!< Timer used for WTX */ + bool lastDID00; /*!< Last PCD block had DID flag (for DID = 0) */ + + bool isTxPending; /*!< Flag pending Block while waiting WTX Ack */ + bool isWait4WTX; /*!< Flag for waiting WTX Ack */ + + uint32_t SFGTTimer; /*!< Timer used for SFGT */ + + uint8_t maxRetriesI; /*!< Number of retries for a I-Block */ + uint8_t maxRetriesS; /*!< Number of retries for a S-Block */ + uint8_t maxRetriesR; /*!< Number of retries for a R-Block */ + uint8_t maxRetriesRATS;/*!< Number of retries for RATS */ + + rfalComplianceMode compMode; /*!< Compliance mode */ + + rfalIsoDepListenActvParam actvParam; /*!< Listen Activation context */ + + rfalIsoDepApduTxRxParam APDUParam; /*!< APDU TxRx params */ + uint16_t APDUTxPos; /*!< APDU Tx position */ + uint16_t APDURxPos; /*!< APDU Rx position */ + bool isAPDURxChaining; /*!< APDU Transceive chaining flag */ + +}rfalIsoDep; + + + +/* + ****************************************************************************** + * LOCAL VARIABLES + ****************************************************************************** + */ + +static rfalIsoDep gIsoDep; /*!< ISO-DEP Module instance */ + +/* + ****************************************************************************** + * LOCAL FUNCTION PROTOTYPES + ****************************************************************************** + */ +static void isoDepClearCounters( void ); +static ReturnCode isoDepTx( uint8_t pcb, uint8_t* txBuf, uint8_t *infBuf, uint16_t infLen, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode isoDepDataExchangePICC( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode isoDepDataExchangePCD( uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode isoDepHandleControlMsg( rfalIsoDepControlMsg controlMsg, uint8_t param, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode isoDepReSendControlMsg( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalIsoDepCalcBitRate(rfalBitRate maxAllowedBR, uint8_t piccBRCapability, rfalBitRate *dsi, rfalBitRate *dri); +static void rfalIsoDepApdu2IBLockParam( rfalIsoDepApduTxRxParam apduParam, rfalIsoDepTxRxParam *iBlockParam, uint16_t txPos, uint16_t rxPos ); + + +/* + ****************************************************************************** + * LOCAL FUNCTIONS + ****************************************************************************** + */ + +/*******************************************************************************/ +static void isoDepClearCounters( void ) +{ + gIsoDep.cntIRetrys = 0; + gIsoDep.cntRRetrys = 0; + gIsoDep.cntSRetrys = 0; +} + +/*******************************************************************************/ +static ReturnCode isoDepTx( uint8_t pcb, uint8_t* txBuf, uint8_t *infBuf, uint16_t infLen, uint32_t fwt,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t *txBlock; + uint16_t txBufLen; + + + txBlock = infBuf; /* Point to beginning of the INF, and go backwards */ + gIsoDep.lastPCB = pcb; /* Store the last PCB sent */ + + + if( infLen > 0 ) + { + if((infBuf - txBuf) < gIsoDep.hdrLen ) /* Check that we can fit the header in the given space */ + return ERR_NOMEM; + } + + + /*******************************************************************************/ + /* Compute optional PCB bits */ + if((gIsoDep.did != RFAL_ISODEP_NO_DID) || ((gIsoDep.did == RFAL_ISODEP_DID_00) && gIsoDep.lastDID00) ) pcb |= ISODEP_PCB_DID_BIT; + if(gIsoDep.nad != RFAL_ISODEP_NO_NAD) pcb |= ISODEP_PCB_NAD_BIT; + if((gIsoDep.isTxChaining) && (isoDep_PCBisIBlock(pcb)) ) pcb |= ISODEP_PCB_CHAINING_BIT; + + + /*******************************************************************************/ + /* Compute Payload on the given txBuf, start by the PCB | DID | NAD | before INF */ + + if(gIsoDep.nad != RFAL_ISODEP_NO_NAD) + *(--txBlock) = gIsoDep.nad; /* NAD is optional */ + + if( (gIsoDep.did != RFAL_ISODEP_NO_DID) || ((gIsoDep.did == RFAL_ISODEP_DID_00) && gIsoDep.lastDID00) ) + *(--txBlock) = gIsoDep.did; /* DID is optional */ + + *(--txBlock) = pcb; /* PCB always present */ + + + txBufLen = infLen + (infBuf - txBlock); /* Calculate overall buffer size */ + + if( txBufLen > (gIsoDep.fsx - ISODEP_CRC_LEN) )/* Check if msg length violates the maximum frame size FSC */ + return ERR_NOTSUPP; + + return rfalTransceiveBlockingTx( txBlock, txBufLen, gIsoDep.rxBuf, gIsoDep.rxBufLen, gIsoDep.rxLen, RFAL_TXRX_FLAGS_DEFAULT, ((gIsoDep.role == ISODEP_ROLE_PICC) ? RFAL_FWT_NONE : fwt ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +/*******************************************************************************/ +static ReturnCode isoDepHandleControlMsg( rfalIsoDepControlMsg controlMsg, uint8_t param, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t pcb; + uint8_t contolMsg[ISODEP_CONTROLMSG_BUF_LEN]; + uint8_t infLen; + uint32_t fwtTemp; + + infLen = 0; + fwtTemp = (gIsoDep.fwt + gIsoDep.dFwt); + + switch( controlMsg ) + { + /*******************************************************************************/ + case ISODEP_R_ACK: + + if( gIsoDep.cntRRetrys++ > gIsoDep.maxRetriesR ) + { + return ERR_PROTO; + } + + pcb = isoDep_PCBRACK( gIsoDep.blockNumber ); + break; + + /*******************************************************************************/ + case ISODEP_R_NAK: + if( gIsoDep.cntRRetrys++ > gIsoDep.maxRetriesR ) + { + return ERR_TIMEOUT; + } + + pcb = isoDep_PCBRNAK( gIsoDep.blockNumber ); + break; + + /*******************************************************************************/ + case ISODEP_S_WTX: + if( gIsoDep.cntSRetrys++ > gIsoDep.maxRetriesS ) + { + return ERR_PROTO; + } + + /* Check if WTXM is valid */ + if( ! isoDep_isWTXMValid(param) ) + { + return ERR_PROTO; + } + + if( gIsoDep.role == ISODEP_ROLE_PCD ) + { + /* Calculate temp Wait Time eXtension */ + fwtTemp = (gIsoDep.fwt * param); + fwtTemp = MIN( RFAL_ISODEP_MAX_FWT, fwtTemp ); + fwtTemp += gIsoDep.dFwt; + } + + pcb = ISODEP_PCB_SWTX; + contolMsg[ RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN + infLen++] = param; + break; + + /*******************************************************************************/ + case ISODEP_S_DSL: + if( gIsoDep.cntSRetrys++ > gIsoDep.maxRetriesS ) + { + return ERR_PROTO; + } + + if( gIsoDep.role == ISODEP_ROLE_PCD ) + { + /* Digital 1.0 - 13.2.7.3 Poller must wait fwtDEACTIVATION */ + fwtTemp = ISODEP_FWT_DEACTIVATION; + gIsoDep.state = ISODEP_ST_PCD_WAIT_DSL; + } + pcb = ISODEP_PCB_SDSL; + break; + + /*******************************************************************************/ + default: + return ERR_INTERNAL; + } + + return isoDepTx( pcb, contolMsg, (contolMsg + RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN), infLen, fwtTemp, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +/*******************************************************************************/ +static ReturnCode isoDepReSendControlMsg(SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( isoDep_PCBisRACK( gIsoDep.lastPCB ) ) + { + return isoDepHandleControlMsg( ISODEP_R_ACK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + if( isoDep_PCBisRNAK( gIsoDep.lastPCB ) ) + { + return isoDepHandleControlMsg( ISODEP_R_NAK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + if( isoDep_PCBisSDeselect( gIsoDep.lastPCB ) ) + { + return isoDepHandleControlMsg( ISODEP_S_DSL, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + if( isoDep_PCBisSWTX( gIsoDep.lastPCB ) ) + { + return isoDepHandleControlMsg( ISODEP_S_WTX, gIsoDep.lastWTXM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + return ERR_WRONG_STATE; +} + + +/* + ****************************************************************************** + * GLOBAL FUNCTIONS + ****************************************************************************** + */ + + +/*******************************************************************************/ +void rfalIsoDepInitialize( void ) +{ + gIsoDep.state = ISODEP_ST_IDLE; + gIsoDep.role = ISODEP_ROLE_PCD; + gIsoDep.did = RFAL_ISODEP_NO_DID; + gIsoDep.nad = RFAL_ISODEP_NO_NAD; + gIsoDep.blockNumber = 0; + gIsoDep.isTxChaining = false; + gIsoDep.isRxChaining = false; + gIsoDep.lastDID00 = false; + gIsoDep.lastPCB = ISODEP_PCB_INVALID; + gIsoDep.fsx = RFAL_ISODEP_FSX_16; + gIsoDep.ourFsx = RFAL_ISODEP_FSX_16; + gIsoDep.hdrLen = RFAL_ISODEP_PCB_LEN; + + gIsoDep.rxLen = NULL; + gIsoDep.rxBuf = NULL; + + gIsoDep.isTxPending = false; + gIsoDep.isWait4WTX = false; + + gIsoDep.compMode = RFAL_COMPLIANCE_MODE_NFC; + gIsoDep.maxRetriesR = RFAL_ISODEP_MAX_R_RETRYS; + gIsoDep.maxRetriesS = RFAL_ISODEP_MAX_S_RETRYS; + gIsoDep.maxRetriesI = RFAL_ISODEP_MAX_I_RETRYS; + gIsoDep.maxRetriesRATS = RFAL_ISODEP_RATS_RETRIES; + + isoDepClearCounters(); +} + + +/*******************************************************************************/ +void rfalIsoDepInitializeWithParams( rfalComplianceMode compMode, uint8_t maxRetriesR, uint8_t maxRetriesS, uint8_t maxRetriesI, uint8_t maxRetriesRATS ) +{ + rfalIsoDepInitialize(); + + gIsoDep.compMode = compMode; + gIsoDep.maxRetriesR = maxRetriesR; + gIsoDep.maxRetriesS = maxRetriesS; + gIsoDep.maxRetriesI = maxRetriesI; + gIsoDep.maxRetriesRATS = maxRetriesRATS; +} + + +/*******************************************************************************/ +static ReturnCode isoDepDataExchangePCD( uint16_t *outActRxLen, bool *outIsChaining,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t rxPCB; + + /* Check out parameters */ + if( (outActRxLen == NULL) || (outIsChaining == NULL) ) + { + return ERR_PARAM; + } + + *outIsChaining = false; + + /* Calculate header required and check if the buffers InfPositions are suitable */ + gIsoDep.hdrLen = RFAL_ISODEP_PCB_LEN; + if(gIsoDep.did != RFAL_ISODEP_NO_DID) gIsoDep.hdrLen += RFAL_ISODEP_DID_LEN; + if(gIsoDep.nad != RFAL_ISODEP_NO_NAD) gIsoDep.hdrLen += RFAL_ISODEP_NAD_LEN; + + /* check if there`s enough space before the infPos to append ISO-DEP headers on rx and tx */ + if( (gIsoDep.rxBufInfPos < gIsoDep.hdrLen) || (gIsoDep.txBufInfPos < gIsoDep.hdrLen) ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Wait until SFGT has been fulfilled (as a PCD) */ + if( (gIsoDep.SFGTTimer != 0) && !isoDepTimerisExpired( gIsoDep.SFGTTimer ) ) + { + return ERR_BUSY; + } + /* Once done, clear SFGT timer */ + gIsoDep.SFGTTimer = 0; + + + /*******************************************************************************/ + switch( gIsoDep.state ) + { + /*******************************************************************************/ + case ISODEP_ST_IDLE: + return ERR_NONE; + + /*******************************************************************************/ + case ISODEP_ST_PCD_TX: + ret = isoDepTx( isoDep_PCBIBlock( gIsoDep.blockNumber ), gIsoDep.txBuf, (gIsoDep.txBuf + gIsoDep.txBufInfPos), gIsoDep.txBufLen, (gIsoDep.fwt + gIsoDep.dFwt), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + switch( ret ) + { + case ERR_NONE: + gIsoDep.state = ISODEP_ST_PCD_RX; + break; + + default: + return ret; + } + /* fall through */ + + /*******************************************************************************/ + case ISODEP_ST_PCD_WAIT_DSL: + case ISODEP_ST_PCD_RX: + + ret = rfalGetTransceiveStatus(); + switch( ret ) + { + /* Data rcvd with error or timeout -> Send R-NAK */ + case ERR_TIMEOUT: + case ERR_CRC: + case ERR_PAR: + case ERR_FRAMING: /* added to handle test cases scenario TC_POL_NFCB_T4AT_BI_82_x_y & TC_POL_NFCB_T4BT_BI_82_x_y */ + case ERR_INCOMPLETE_BYTE: /* added to handle test cases scenario TC_POL_NFCB_T4AT_BI_82_x_y & TC_POL_NFCB_T4BT_BI_82_x_y */ + + if( gIsoDep.isRxChaining ) + { /* Rule 5 - In PICC chaining when a invalid/timeout occurs -> R-ACK */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_ACK, RFAL_ISODEP_NO_PARAM ,mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + else if( gIsoDep.state == ISODEP_ST_PCD_WAIT_DSL ) + { /* Rule 8 - If s-Deselect response fails MAY retransmit */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_S_DSL, RFAL_ISODEP_NO_PARAM,mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + else + { /* Rule 4 - When a invalid block or timeout occurs -> R-NACK */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_NAK, RFAL_ISODEP_NO_PARAM,mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + return ERR_BUSY; + + case ERR_NONE: + break; + + case ERR_BUSY: + return ERR_BUSY; /* Debug purposes */ + + default: + return ret; + } + + /*******************************************************************************/ + /* No error, process incoming msg */ + /*******************************************************************************/ + + (*outActRxLen) = rfalConvBitsToBytes( *outActRxLen ); + + + /* Check rcvd msg length, cannot be less then the expected header */ + if( ((*outActRxLen) < gIsoDep.hdrLen) || ((*outActRxLen) >= gIsoDep.ourFsx) ) + { + return ERR_PROTO; + } + + /* Grab rcvd PCB */ + rxPCB = gIsoDep.rxBuf[ ISODEP_PCB_POS ]; + + + /* EMVCo doesn't allow usage of for CID or NAD EMVCo 2.6 TAble 10.2 */ + if( (gIsoDep.compMode == RFAL_COMPLIANCE_MODE_EMV) && ( isoDep_PCBhasDID(rxPCB) || isoDep_PCBhasNAD(rxPCB)) ) + { + return ERR_PROTO; + } + + /* If we are expecting DID, check if PCB signals its presence and if device ID match*/ + if( (gIsoDep.did != RFAL_ISODEP_NO_DID) && ( !isoDep_PCBhasDID(rxPCB) || (gIsoDep.did != gIsoDep.rxBuf[ ISODEP_DID_POS ])) ) + { + return ERR_PROTO; + } + + + /*******************************************************************************/ + /* Process S-Block */ + /*******************************************************************************/ + if( isoDep_PCBisSBlock(rxPCB) ) + { + /* Check if is a Wait Time eXtension */ + if( isoDep_PCBisSWTX(rxPCB) ) + { + /* Rule 3 - respond to S-block: get 1st INF byte S(STW): Power + WTXM */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_S_WTX, isoDep_GetWTXM(gIsoDep.rxBuf[gIsoDep.hdrLen]), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + return ERR_BUSY; + } + + /* Check if is a deselect response */ + if( isoDep_PCBisSDeselect(rxPCB) ) + { + if( gIsoDep.state == ISODEP_ST_PCD_WAIT_DSL ) + { + rfalIsoDepInitialize(); /* Session finished reInit vars */ + return ERR_NONE; + } + + /* Deselect response not expected */ + /* fall through to PROTO error */ + } + /* Unexpected S-Block */ + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Process R-Block */ + /*******************************************************************************/ + else if( isoDep_PCBisRBlock(rxPCB) ) + { + if( isoDep_PCBisRACK(rxPCB) ) /* Check if is a R-ACK */ + { + if( isoDep_GetBN(rxPCB) == gIsoDep.blockNumber ) /* Expected block number */ + { + /* Rule B - ACK with expected bn -> Increment block number */ + gIsoDep.blockNumber = isoDep_PCBNextBN( gIsoDep.blockNumber ); + + /* R-ACK only allowed when PCD chaining */ + if( !gIsoDep.isTxChaining ) + { + return ERR_PROTO; + } + + /* Rule 7 - Chaining transaction done, continue chaining */ + isoDepClearCounters(); + return ERR_NONE; /* This block has been transmitted */ + } + else + { + /* Rule 6 - R-ACK with wrong block number retransmit */ + if( gIsoDep.cntIRetrys++ < gIsoDep.maxRetriesI ) + { + gIsoDep.cntRRetrys = 0; /* Clear R counter only */ + gIsoDep.state = ISODEP_ST_PCD_TX; + return ERR_BUSY; + } + return ERR_PROTO; + } + } + else /* Unexcpected R-Block */ + { + return ERR_PROTO; + } + } + + /*******************************************************************************/ + /* Process I-Block */ + /*******************************************************************************/ + else if( isoDep_PCBisIBlock(rxPCB) ) + { + /*******************************************************************************/ + /* is PICC performing chaining */ + if( isoDep_PCBisChaining(rxPCB) ) + { + gIsoDep.isRxChaining = true; + *outIsChaining = true; + + if( isoDep_GetBN(rxPCB) == gIsoDep.blockNumber ) + { + /* Rule B - ACK with correct block number -> Increase Block number */ + isoDep_ToggleBN( gIsoDep.blockNumber ); + + isoDepClearCounters(); /* Clear counters in case R counter is already at max */ + + /* Rule 2 - Send ACK */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_ACK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Received I-Block with chaining, send current data to DH */ + + /* remove ISO DEP header, check is necessary to move the INF data on the buffer */ + *outActRxLen -= gIsoDep.hdrLen; + if( gIsoDep.hdrLen != gIsoDep.rxBufInfPos ) + { + ST_MEMMOVE( (gIsoDep.rxBuf + gIsoDep.rxBufInfPos), (gIsoDep.rxBuf + gIsoDep.hdrLen), *outActRxLen ); + } + + isoDepClearCounters(); + return ERR_AGAIN; /* Send Again signalling to run again, but some chaining data has arrived */ + } + else + { + /* Rule 5 - PICC chaining invalid I-Block -> R-ACK */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_ACK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + return ERR_BUSY; + } + + gIsoDep.isRxChaining = false; /* clear PICC chaining flag */ + + if( isoDep_GetBN(rxPCB) == gIsoDep.blockNumber ) + { + /* Rule B - I-Block with correct block number -> Increase Block number */ + isoDep_ToggleBN( gIsoDep.blockNumber ); + + /* I-Block transaction done successfully */ + + /* remove ISO DEP header, check is necessary to move the INF data on the buffer */ + *outActRxLen -= gIsoDep.hdrLen; + if( gIsoDep.hdrLen != gIsoDep.rxBufInfPos ) + { + ST_MEMMOVE( (gIsoDep.rxBuf + gIsoDep.rxBufInfPos), (gIsoDep.rxBuf + gIsoDep.hdrLen), *outActRxLen ); + } + + gIsoDep.state = ISODEP_ST_IDLE; + isoDepClearCounters(); + return ERR_NONE; + } + else + { + if( (gIsoDep.compMode != RFAL_COMPLIANCE_MODE_ISO) ) + { + /* Invalid Block (not chaining) -> Raise error Digital 1.1 15.2.6.4 EMVCo 2.6 10.3.5.4 */ + return ERR_PROTO; + } + + /* Rule 4 - Invalid Block -> R-NAK */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_NAK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + return ERR_BUSY; + } + } + else /* not S/R/I - Block */ + { + return ERR_PROTO; + } + /*break;*/ + + /*******************************************************************************/ + default: + break; + } + + return ERR_INTERNAL; +} + +/*******************************************************************************/ +ReturnCode rfalIsoDepDeselect( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint32_t cntRerun; + bool dummyB; + uint16_t tmpRcvdLen; + uint8_t tmpRxBuf[ISODEP_CONTROLMSG_BUF_LEN]; + + /*******************************************************************************/ + /* Check if rx parameters have been set before, otherwise use local variables * + * To cope with a Deselect after RATS\ATTRIB without any I-Block exchanged */ + if( (gIsoDep.rxLen == NULL) || (gIsoDep.rxBuf == NULL) ) + { + gIsoDep.rxLen = &tmpRcvdLen; + gIsoDep.rxBuf = tmpRxBuf; + gIsoDep.rxBufLen = ISODEP_CONTROLMSG_BUF_LEN; + gIsoDep.rxBufInfPos = (RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN); + gIsoDep.txBufInfPos = (RFAL_ISODEP_PCB_LEN + RFAL_ISODEP_DID_LEN); + } + + + /*******************************************************************************/ + /* The Deselect process is being done blocking, Digital 1.0 - 13.2.7.1 MUST wait response and retry*/ + /* Set the maximum reruns while we`ll wait for a response */ + cntRerun = ISODEP_MAX_RERUNS; + + /* Send DSL request and run protocol until get a response, error or "timeout" */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_S_DSL, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + do{ + ret = isoDepDataExchangePCD( gIsoDep.rxLen, &dummyB, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalWorker( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + while( (ERR_NO_MASK(ret) == ERR_BUSY) && cntRerun--); + + rfalIsoDepInitialize(); + return ((cntRerun == 0) ? ERR_TIMEOUT : ret); +} + + +/*******************************************************************************/ +uint32_t rfalIsoDepFWI2FWT( uint8_t fwi ) +{ + uint32_t result; + + /* RFU values -> take the default value + * Digital 1.0 11.6.2.17 FWI[1,14] + * Digital 1.1 7.6.2.22 FWI[0,14] + * EMVCo 2.6 Table A.5 FWI[0,14] */ + if( fwi > ISODEP_FWI_MAX ) + { + fwi = RFAL_ISODEP_FWI_DEFAULT; + } + + /* FWT = (256 × 16/fC) × 2^FWI => 2^(FWI+12) Digital 1.1 13.8.1 & 7.9.1 */ + + result = (1 << (fwi + 12)); + result = MIN( RFAL_ISODEP_MAX_FWT, result); /* Maximum Frame Waiting Time must be fulfilled */ + + return result; +} + + +/*******************************************************************************/ +uint16_t rfalIsoDepFSxI2FSx( uint8_t FSxI ) +{ + switch( FSxI ) + { + case RFAL_ISODEP_FSXI_16: return RFAL_ISODEP_FSX_16; + case RFAL_ISODEP_FSXI_24: return RFAL_ISODEP_FSX_24; + case RFAL_ISODEP_FSXI_32: return RFAL_ISODEP_FSX_32; + case RFAL_ISODEP_FSXI_40: return RFAL_ISODEP_FSX_40; + case RFAL_ISODEP_FSXI_48: return RFAL_ISODEP_FSX_48; + case RFAL_ISODEP_FSXI_64: return RFAL_ISODEP_FSX_64; + case RFAL_ISODEP_FSXI_96: return RFAL_ISODEP_FSX_96; + case RFAL_ISODEP_FSXI_128: return RFAL_ISODEP_FSX_128; + } + return RFAL_ISODEP_FSX_256; +} + + +/*******************************************************************************/ +static uint32_t rfalIsoDepSFGI2SFGT( uint8_t sfgi ) +{ + uint32_t sfgt; + + if (sfgi > ISODEP_SFGI_MAX) + { + sfgi = ISODEP_SFGI_MIN; + } + + if (sfgi != ISODEP_SFGI_MIN) + { + /* If sfgi != 0 wait SFGT + dSFGT Digital 1.1 13.8.2.1 */ + sfgt = (isoDepCalcSGFT(sfgi) + isoDepCalcdSGFT(sfgi)); + } + /* Otherwise use FDTPoll min Digital 1.1 13.8.2.3*/ + else + { + sfgt = RFAL_FDT_POLL_NFCA_POLLER; + } + + /* Convert carrier cycles to milli seconds */ + return (rfalConv1fcToMs(sfgt) + 1); +} + + +/*******************************************************************************/ +bool rfalIsoDepIsRats( uint8_t *buf, uint8_t bufLen ) +{ + if(buf != NULL) + { + if ((RFAL_ISODEP_CMD_RATS == (uint8_t)*buf) && (sizeof(rfalIsoDepRats) == bufLen)) + { + return true; + } + } + return false; +} + + +/*******************************************************************************/ +bool rfalIsoDepIsAttrib( uint8_t *buf, uint8_t bufLen ) +{ + if(buf != NULL) + { + if ( (RFAL_ISODEP_CMD_ATTRIB == (uint8_t)*buf) && + (RFAL_ISODEP_ATTRIB_REQ_MIN_LEN <= bufLen) && + ((RFAL_ISODEP_ATTRIB_REQ_MIN_LEN + RFAL_ISODEP_ATTRIB_HLINFO_LEN) >= bufLen) ) + { + return true; + } + } + return false; +} + +/*******************************************************************************/ +ReturnCode rfalIsoDepListenStartActivation( rfalIsoDepAtsParam *atsParam, rfalIsoDepAttribResParam *attribResParam, uint8_t *buf, uint16_t bufLen, rfalIsoDepListenActvParam actParam, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + + uint8_t *txBuf; + uint8_t bufIt; + + /*******************************************************************************/ + bufIt = 0; + txBuf = (uint8_t*)actParam.rxBuf; /* Use the rxBuf as TxBuf as well, the struct enforces a size enough MAX( NFCA_ATS_MAX_LEN, NFCB_ATTRIB_RES_MAX_LEN ) */ + gIsoDep.txBR = RFAL_BR_106; + gIsoDep.rxBR = RFAL_BR_106; + + /* Check for a valid buffer pointer */ + if( buf == NULL ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + if( *buf == RFAL_ISODEP_CMD_RATS ) + { + /* Check ATS parameters */ + if( atsParam == NULL ) + { + return ERR_PARAM; + } + + /* If requested copy RATS to device info */ + if( actParam.isoDepDev != NULL ) + { + ST_MEMCPY( (uint8_t*)&actParam.isoDepDev->activation.A.Poller.RATS.CMD, buf, sizeof(rfalIsoDepRats) ); + } + + + /*******************************************************************************/ + /* Process RATS */ + buf++; + gIsoDep.fsx = rfalIsoDepFSxI2FSx( (((*buf) & RFAL_ISODEP_RATS_PARAM_FSDI_MASK) >> RFAL_ISODEP_RATS_PARAM_FSDI_SHIFT) ); + gIsoDep.did = (*buf & RFAL_ISODEP_DID_MASK); + + + /*******************************************************************************/ + /* Digital 1.1 13.6.1.8 - DID as to between 0 and 14 */ + if( gIsoDep.did > RFAL_ISODEP_DID_MAX ) + { + return ERR_PROTO; + } + + /* Check if we are configured to support DID */ + if( (gIsoDep.did != RFAL_ISODEP_DID_00) && (!atsParam->didSupport) ) + { + return ERR_NOTSUPP; + } + + + /*******************************************************************************/ + /* Check RFAL supported bit rates */ + if( (!(RFAL_SUPPORT_BR_CE_A_212) && ((atsParam->ta & RFAL_ISODEP_ATS_TA_DPL_212) || (atsParam->ta & RFAL_ISODEP_ATS_TA_DLP_212))) || + (!(RFAL_SUPPORT_BR_CE_A_424) && ((atsParam->ta & RFAL_ISODEP_ATS_TA_DPL_424) || (atsParam->ta & RFAL_ISODEP_ATS_TA_DLP_424))) || + (!(RFAL_SUPPORT_BR_CE_A_848) && ((atsParam->ta & RFAL_ISODEP_ATS_TA_DPL_848) || (atsParam->ta & RFAL_ISODEP_ATS_TA_DLP_848))) ) + { + return ERR_NOTSUPP; + } + + /* Enforce proper FWI configuration */ + if( atsParam->fwi > ISODEP_FWI_LIS_MAX) + { + atsParam->fwi = ISODEP_FWI_LIS_MAX; + } + + gIsoDep.atsTA = atsParam->ta; + gIsoDep.fwt = rfalIsoDepFWI2FWT(atsParam->fwi); + gIsoDep.ourFsx = rfalIsoDepFSxI2FSx(atsParam->fsci); + + + /* Ensure proper/maximum Historical Bytes length */ + atsParam->hbLen = MIN( RFAL_ISODEP_ATS_HB_MAX_LEN, atsParam->hbLen ); + + /*******************************************************************************/ + /* Compute ATS */ + + txBuf[ bufIt++ ] = (RFAL_ISODEP_ATS_HIST_OFFSET + atsParam->hbLen); /* TL */ + txBuf[ bufIt++ ] = ( (RFAL_ISODEP_ATS_T0_TA_PRESENCE_MASK | RFAL_ISODEP_ATS_T0_TB_PRESENCE_MASK | + RFAL_ISODEP_ATS_T0_TC_PRESENCE_MASK)| atsParam->fsci ); /* T0 */ + txBuf[ bufIt++ ] = atsParam->ta; /* TA */ + txBuf[ bufIt++ ] = ( (atsParam->fwi << RFAL_ISODEP_RATS_PARAM_FSDI_SHIFT) | + (atsParam->sfgi & RFAL_ISODEP_RATS_PARAM_FSDI_MASK) ); /* TB */ + txBuf[ bufIt++ ] = ((atsParam->didSupport) ? RFAL_ISODEP_ATS_TC_DID : 0); /* TC */ + + ST_MEMCPY( &txBuf[bufIt], atsParam->hb, atsParam->hbLen ); /* T1-Tk */ + bufIt += atsParam->hbLen; + + gIsoDep.state = ISODEP_ST_PICC_ACT_ATS; + + } + /*******************************************************************************/ + else if( *buf == RFAL_ISODEP_CMD_ATTRIB ) + { + /* Check ATTRIB parameters */ + if( attribResParam == NULL ) + { + return ERR_PARAM; + } + + /* REMARK: ATTRIB handling */ + NO_WARNING(attribResParam); + NO_WARNING(bufLen); + return ERR_NOT_IMPLEMENTED; + } + else + { + return ERR_PARAM; + } + + gIsoDep.actvParam = actParam; + + + /*******************************************************************************/ + /* If requested copy to ISO-DEP device info */ + if( actParam.isoDepDev != NULL ) + { + actParam.isoDepDev->info.DID = gIsoDep.did; + actParam.isoDepDev->info.FSx = gIsoDep.fsx; + actParam.isoDepDev->info.FWT = gIsoDep.fwt; + actParam.isoDepDev->info.dFWT = 0; + actParam.isoDepDev->info.DSI = gIsoDep.txBR; + actParam.isoDepDev->info.DRI = gIsoDep.rxBR; + } + + return rfalTransceiveBlockingTx( txBuf, bufIt, (uint8_t*)actParam.rxBuf, sizeof( rfalIsoDepBufFormat ), actParam.rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FWT_NONE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepListenGetActivationStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode err; + uint8_t* txBuf; + uint8_t bufIt; + + rfalBitRate dsi; + rfalBitRate dri; + + + /* Check if Activation is running */ + if( gIsoDep.state < ISODEP_ST_PICC_ACT_ATS ) + { + return ERR_WRONG_STATE; + } + + /* Check if Activation has finished already */ + if( gIsoDep.state >= ISODEP_ST_PICC_RX ) + { + return ERR_NONE; + } + + + /*******************************************************************************/ + /* Check for incoming msg */ + err = rfalGetTransceiveStatus(); + switch( err ) + { + /*******************************************************************************/ + case ERR_NONE: + break; + + /*******************************************************************************/ + case ERR_LINK_LOSS: + case ERR_BUSY: + return err; + + /*******************************************************************************/ + case ERR_CRC: + case ERR_PAR: + case ERR_FRAMING: + + /* ISO14443 4 5.6.2.2 2 If ATS has been replied upon a invalid block, PICC disables the PPS responses */ + if( gIsoDep.state == ISODEP_ST_PICC_ACT_ATS ) + { + gIsoDep.state = ISODEP_ST_PICC_RX; + break; + } + /* fall through */ + + /*******************************************************************************/ + default: + /* ReEnable the receiver and wait for another frame */ + isoDepReEnableRx( (uint8_t*)gIsoDep.actvParam.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.actvParam.rxLen ); + + return ERR_BUSY; + } + + + txBuf = (uint8_t*)gIsoDep.actvParam.rxBuf; /* Use the rxBuf as TxBuf as well, the struct enforces a size enough MAX(NFCA_PPS_RES_LEN, ISODEP_DSL_MAX_LEN) */ + dri = RFAL_BR_KEEP; /* The RFAL_BR_KEEP is used to check if PPS with BR change was requested */ + bufIt = 0; + + + /*******************************************************************************/ + gIsoDep.role = ISODEP_ROLE_PICC; + + /*******************************************************************************/ + if( gIsoDep.state == ISODEP_ST_PICC_ACT_ATS ) + { + /* Check for a PPS ISO 14443-4 5.3 */ + if( ( ((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_STARTBYTE_POS] & RFAL_ISODEP_PPS_MASK) == RFAL_ISODEP_PPS_SB ) + { + /* ISO 14443-4 5.3.1 Check if the we are the addressed DID/CID */ + /* ISO 14443-4 5.3.2 Check for a valid PPS0 */ + if( (( ((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_STARTBYTE_POS] & RFAL_ISODEP_DID_MASK) != gIsoDep.did) || + (( ((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_PPS0_POS] & RFAL_ISODEP_PPS0_VALID_MASK) != RFAL_ISODEP_PPS0_PPS1_NOT_PRESENT) ) + { + /* Invalid DID on PPS request or Invalid PPS0, reEnable the receiver and wait another frame */ + isoDepReEnableRx( (uint8_t*)gIsoDep.actvParam.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.actvParam.rxLen ); + + return ERR_BUSY; + } + + /*******************************************************************************/ + /* Check PPS1 presence */ + if( ((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_PPS0_POS] == RFAL_ISODEP_PPS0_PPS1_PRESENT ) + { + dri = (rfalBitRate) (((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_PPS1_POS] & RFAL_ISODEP_PPS1_DxI_MASK); + dsi = (rfalBitRate)((((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_PPS1_POS] >> RFAL_ISODEP_PPS1_DSI_SHIFT) & RFAL_ISODEP_PPS1_DxI_MASK); + + if( (!(RFAL_SUPPORT_BR_CE_A_106) && (( dsi == RFAL_BR_106 ) || ( dri == RFAL_BR_106 ))) || + (!(RFAL_SUPPORT_BR_CE_A_212) && (( dsi == RFAL_BR_212 ) || ( dri == RFAL_BR_212 ))) || + (!(RFAL_SUPPORT_BR_CE_A_424) && (( dsi == RFAL_BR_424 ) || ( dri == RFAL_BR_424 ))) || + (!(RFAL_SUPPORT_BR_CE_A_848) && (( dsi == RFAL_BR_848 ) || ( dri == RFAL_BR_848 ))) ) + { + return ERR_PROTO; + } + } + + /*******************************************************************************/ + /* Compute and send PPS RES / Ack */ + txBuf[ bufIt++ ] = ((uint8_t*)gIsoDep.actvParam.rxBuf)[RFAL_ISODEP_PPS_STARTBYTE_POS]; + + rfalTransceiveBlockingTx( txBuf, bufIt, (uint8_t*)gIsoDep.actvParam.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.actvParam.rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FWT_NONE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* Exchange the bit rates if requested */ + if( dri != RFAL_BR_KEEP ) + { + rfalSetBitRate( dsi, dri, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gIsoDep.txBR = dsi; /* DSI codes the divisor from PICC to PCD */ + gIsoDep.rxBR = dri; /* DRI codes the divisor from PCD to PICC */ + + + if(gIsoDep.actvParam.isoDepDev != NULL) + { + gIsoDep.actvParam.isoDepDev->info.DSI = dsi; + gIsoDep.actvParam.isoDepDev->info.DRI = dri; + } + } + } + /* Check for a S-Deselect is done on Data Exchange Activity */ + } + + /*******************************************************************************/ + gIsoDep.hdrLen = RFAL_ISODEP_PCB_LEN; + gIsoDep.hdrLen += RFAL_ISODEP_DID_LEN; /* Always assume DID to be aligned with Digital 1.1 15.1.2 and ISO14443 4 5.6.3 #454 */ + gIsoDep.hdrLen += ((gIsoDep.nad != RFAL_ISODEP_NO_NAD) ? RFAL_ISODEP_NAD_LEN : 0); + + /*******************************************************************************/ + /* Rule C - The PICC block number shall be initialized to 1 at activation */ + gIsoDep.blockNumber = 1; + + /* Activation done, keep the rcvd data in, reMap the activation buffer to the global to be retrieved by the DEP method */ + gIsoDep.rxBuf = (uint8_t*)gIsoDep.actvParam.rxBuf; + gIsoDep.rxBufLen = sizeof( rfalIsoDepBufFormat ); + gIsoDep.rxBufInfPos = (gIsoDep.actvParam.rxBuf->inf - gIsoDep.actvParam.rxBuf->prologue); + gIsoDep.rxLen = gIsoDep.actvParam.rxLen; + gIsoDep.rxChaining = gIsoDep.actvParam.isRxChaining; + + gIsoDep.state = ISODEP_ST_PICC_RX; + return ERR_NONE; +} + + +/*******************************************************************************/ +uint16_t rfalIsoDepGetMaxInfLen( void ) +{ + /* Check whether all parameters are valid, otherwise return minimum default value */ + if( (gIsoDep.fsx < RFAL_ISODEP_FSX_16) || (gIsoDep.fsx > RFAL_ISODEP_FSX_1024) || (gIsoDep.hdrLen > ISODEP_HDR_MAX_LEN) ) + { + return (RFAL_ISODEP_FSX_16 - RFAL_ISODEP_PCB_LEN - ISODEP_CRC_LEN); + } + + return (gIsoDep.fsx - gIsoDep.hdrLen - ISODEP_CRC_LEN); +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepStartTransceive( rfalIsoDepTxRxParam param ) +{ + gIsoDep.txBuf = param.txBuf->prologue; + gIsoDep.txBufInfPos = (param.txBuf->inf - param.txBuf->prologue); + gIsoDep.txBufLen = param.txBufLen; + gIsoDep.isTxChaining = param.isTxChaining; + + gIsoDep.rxBuf = param.rxBuf->prologue; + gIsoDep.rxBufInfPos = (param.rxBuf->inf - param.rxBuf->prologue); + gIsoDep.rxBufLen = sizeof(rfalIsoDepBufFormat); + + gIsoDep.rxLen = param.rxLen; + gIsoDep.rxChaining = param.isRxChaining; + + + gIsoDep.fwt = param.FWT; + gIsoDep.dFwt = param.dFWT; + gIsoDep.fsx = param.FSx; + gIsoDep.did = param.DID; + + /* Only change the FSx from activation if no to Keep */ + gIsoDep.ourFsx = (( param.ourFSx != RFAL_ISODEP_FSX_KEEP ) ? param.ourFSx : gIsoDep.ourFsx); + + /* Clear inner control params for next dataExchange */ + gIsoDep.isRxChaining = false; + isoDepClearCounters(); + + if(gIsoDep.role == ISODEP_ROLE_PICC) + { + if(gIsoDep.txBufLen > 0) + { + /* Ensure that an RTOX Ack is not being expected at moment */ + if( !gIsoDep.isWait4WTX ) + { + gIsoDep.state = ISODEP_ST_PICC_TX; + return ERR_NONE; + } + else + { + /* If RTOX Ack is expected, signal a pending Tx to be transmitted right after */ + gIsoDep.isTxPending = true; + } + } + + /* Digital 1.1 15.2.5.1 The first block SHALL be sent by the Reader/Writer */ + gIsoDep.state = ISODEP_ST_PICC_RX; + return ERR_NONE; + } + + gIsoDep.state = ISODEP_ST_PCD_TX; + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepGetTransceiveStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( gIsoDep.role == ISODEP_ROLE_PICC) + return isoDepDataExchangePICC( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + else + return isoDepDataExchangePCD( gIsoDep.rxLen, gIsoDep.rxChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode isoDepDataExchangePICC( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t rxPCB; + ReturnCode ret; + + switch( gIsoDep.state ) + { + /*******************************************************************************/ + case ISODEP_ST_IDLE: + return ERR_NONE; + + + /*******************************************************************************/ + case ISODEP_ST_PICC_TX: + + ret = isoDepTx( isoDep_PCBIBlock( gIsoDep.blockNumber ), gIsoDep.txBuf, (gIsoDep.txBuf + gIsoDep.txBufInfPos), gIsoDep.txBufLen, RFAL_FWT_NONE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Clear pending Tx flag */ + gIsoDep.isTxPending = false; + + switch( ret ) + { + case ERR_NONE: + gIsoDep.state = ISODEP_ST_PICC_RX; + return ERR_BUSY; + + default: + break; + } + return ret; + + + /*******************************************************************************/ + case ISODEP_ST_PICC_RX: + + ret = rfalGetTransceiveStatus(); + switch( ret ) + { + /*******************************************************************************/ + /* Data rcvd with error or timeout -> mute */ + case ERR_TIMEOUT: + case ERR_CRC: + case ERR_PAR: + case ERR_FRAMING: + + /* Digital 1.1 - 15.2.6.2 The CE SHALL NOT attempt error recovery and remains in Rx mode upon Transmission or a Protocol Error */ + isoDepReEnableRx( (uint8_t*)gIsoDep.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.rxLen ); + + return ERR_BUSY; + + /*******************************************************************************/ + case ERR_LINK_LOSS: + return ret; /* Debug purposes */ + + case ERR_BUSY: + return ret; /* Debug purposes */ + + default: + return ret; + + /*******************************************************************************/ + case ERR_NONE: + *gIsoDep.rxLen = rfalConvBitsToBytes( *gIsoDep.rxLen ); + break; + } + break; + + + /*******************************************************************************/ + case ISODEP_ST_PICC_SWTX: + + if( !isoDepTimerisExpired( gIsoDep.WTXTimer ) ) /* Do nothing until WTX timer has expired */ + { + return ERR_BUSY; + } + + /* Set waiting for WTX Ack Flag */ + gIsoDep.isWait4WTX = true; + + /* Digital 1.1 15.2.2.9 - Calculate the WTXM such that FWTtemp <= FWTmax */ + gIsoDep.lastWTXM = isoDep_WTXMListenerMax( gIsoDep.fwt ); + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_S_WTX, gIsoDep.lastWTXM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + gIsoDep.state = ISODEP_ST_PICC_RX; /* Go back to Rx to process WTX ack */ + return ERR_BUSY; + + + /*******************************************************************************/ + default: + return ERR_INTERNAL; + } + + /* ISO 14443-4 7.5.6.2 CE SHALL NOT attempt error recovery -> clear counters */ + isoDepClearCounters(); + + /*******************************************************************************/ + /* No error, process incoming msg */ + /*******************************************************************************/ + + /* Grab rcvd PCB */ + rxPCB = gIsoDep.rxBuf[ ISODEP_PCB_POS ]; + + + /*******************************************************************************/ + /* When DID=0 PCD may or may not use DID, therefore check whether current PCD request + * has DID present to be reflected on max INF length #454 */ + + /* ReCalculate Header Length */ + gIsoDep.hdrLen = RFAL_ISODEP_PCB_LEN; + gIsoDep.hdrLen += ( (isoDep_PCBhasDID(rxPCB)) ? RFAL_ISODEP_DID_LEN : 0 ); + gIsoDep.hdrLen += ( (isoDep_PCBhasNAD(rxPCB)) ? RFAL_ISODEP_NAD_LEN : 0 ); + + /* Store whether last PCD block had DID. for PICC special handling of DID = 0 */ + if( gIsoDep.did == RFAL_ISODEP_DID_00 ) + { + gIsoDep.lastDID00 = ( (isoDep_PCBhasDID(rxPCB)) ? true : false ); + } + + /*******************************************************************************/ + /* Check rcvd msg length, cannot be less then the expected header OR * + * if the rcvd msg exceeds our announced frame size (FSD) */ + if( ((*gIsoDep.rxLen) < gIsoDep.hdrLen) || ((*gIsoDep.rxLen) > (gIsoDep.ourFsx - ISODEP_CRC_LEN)) ) + { + isoDepReEnableRx( (uint8_t*)gIsoDep.actvParam.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.actvParam.rxLen ); + return ERR_BUSY; /* ERR_PROTO Ignore this protocol request */ + } + + /* If we are expecting DID, check if PCB signals its presence and if device ID match OR + * If our DID=0 and DID is sent but with an incorrect value */ + if( ((gIsoDep.did != RFAL_ISODEP_DID_00) && ( !isoDep_PCBhasDID(rxPCB) || (gIsoDep.did != gIsoDep.rxBuf[ ISODEP_DID_POS ]))) || + ((gIsoDep.did == RFAL_ISODEP_DID_00) && isoDep_PCBhasDID(rxPCB) && (RFAL_ISODEP_DID_00 != gIsoDep.rxBuf[ ISODEP_DID_POS ]) ) ) + { + isoDepReEnableRx( (uint8_t*)gIsoDep.actvParam.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.actvParam.rxLen ); + return ERR_BUSY; /* Ignore a wrong DID request */ + } + + /* If we aren't expecting NAD and it's received */ + if( (gIsoDep.nad == RFAL_ISODEP_NO_NAD) && isoDep_PCBhasNAD(rxPCB) ) + { + isoDepReEnableRx( (uint8_t*)gIsoDep.actvParam.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.actvParam.rxLen ); + return ERR_BUSY; /* Ignore a unexpected NAD request */ + } + + /*******************************************************************************/ + /* Process S-Block */ + /*******************************************************************************/ + if( isoDep_PCBisSBlock(rxPCB) ) + { + /* Check if is a Wait Time eXtension */ + if( isoDep_PCBisSWTX(rxPCB) ) + { + /* Check if we're expecting a S-WTX */ + if( isoDep_PCBisWTX( gIsoDep.lastPCB ) ) + { + /* Digital 1.1 15.2.2.11 S(WTX) Ack with different WTXM -> Protocol Error * + * Power level indication also should be set to 0 */ + if( ( gIsoDep.rxBuf[ gIsoDep.hdrLen ] == gIsoDep.lastWTXM) && ((*gIsoDep.rxLen - gIsoDep.hdrLen) == ISODEP_SWTX_INF_LEN) ) + { + /* Clear waiting for RTOX Ack Flag */ + gIsoDep.isWait4WTX = false; + + /* Check if a Tx is already pending */ + if( gIsoDep.isTxPending ) + { + /* Has a pending Tx, go immediately to TX */ + gIsoDep.state = ISODEP_ST_PICC_TX; + return ERR_BUSY; + } + + /* Set WTX timer */ + isoDepTimerStart( gIsoDep.WTXTimer, isoDep_WTXAdjust( (gIsoDep.lastWTXM * rfalConv1fcToMs( gIsoDep.fwt )) ) ); + + gIsoDep.state = ISODEP_ST_PICC_SWTX; + return ERR_BUSY; + } + } + /* Unexpected/Incorrect S-WTX, fall into reRenable */ + } + + /* Check if is a deselect request */ + if( isoDep_PCBisSDeselect(rxPCB) && ((*gIsoDep.rxLen - gIsoDep.hdrLen) == ISODEP_SDSL_INF_LEN) ) + { + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_S_DSL, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + rfalIsoDepInitialize(); /* Session finished reInit vars */ + return ERR_SLEEP_REQ; + } + + /* Unexpected S-Block, fall into reRenable */ + } + + /*******************************************************************************/ + /* Process R-Block */ + /*******************************************************************************/ + else if( isoDep_PCBisRBlock(rxPCB) && ((*gIsoDep.rxLen - gIsoDep.hdrLen) == ISODEP_RBLOCK_INF_LEN)) + { + if( isoDep_PCBisRACK(rxPCB) ) /* Check if is a R-ACK */ + { + if( isoDep_GetBN(rxPCB) == gIsoDep.blockNumber ) /* Check block number */ + { + /* Rule 11 - R(ACK) with current bn -> re-transmit */ + if( !isoDep_PCBisIBlock(gIsoDep.lastPCB) ) + isoDepReSendControlMsg( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + else + gIsoDep.state = ISODEP_ST_PICC_TX; + + return ERR_BUSY; + } + else + { + if( !gIsoDep.isTxChaining ) + { + /* Rule 13 violation R(ACK) without performing chaining */ + isoDepReEnableRx( (uint8_t*)gIsoDep.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.rxLen ); + return ERR_BUSY; + } + + /* Rule E - R(ACK) with not current bn -> toogle bn */ + isoDep_ToggleBN( gIsoDep.blockNumber ); + + /* This block has been transmitted and acknowledged, perform WTX until next data is provided */ + + /* Rule 9 - PICC is allowed to send an S(WTX) instead of an I-block or an R(ACK) */ + isoDepTimerStart( gIsoDep.WTXTimer, isoDep_WTXAdjust( rfalConv1fcToMs( gIsoDep.fwt )) ); + gIsoDep.state = ISODEP_ST_PICC_SWTX; + + /* Rule 13 - R(ACK) with not current bn -> continue chaining */ + return ERR_NONE; /* This block has been transmitted */ + } + } + else if( isoDep_PCBisRNAK(rxPCB) ) /* Check if is a R-NACK */ + { + if( isoDep_GetBN(rxPCB) == gIsoDep.blockNumber ) /* Check block number */ + { + /* Rule 11 - R(NAK) with current bn -> re-transmit last x-Block */ + if( !isoDep_PCBisIBlock(gIsoDep.lastPCB) ) + isoDepReSendControlMsg( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + else + gIsoDep.state = ISODEP_ST_PICC_TX; + + return ERR_BUSY; + } + else + { + /* Rule 12 - R(NAK) with not current bn -> R(ACK) */ + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_ACK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + return ERR_BUSY; + } + } + + /* Unexpected R-Block, fall into reRenable */ + } + + /*******************************************************************************/ + /* Process I-Block */ + /*******************************************************************************/ + else if( isoDep_PCBisIBlock(rxPCB) ) + { + /* Rule D - When an I-block is received, the PICC shall toggle its block number before sending a block */ + isoDep_ToggleBN( gIsoDep.blockNumber ); + + /*******************************************************************************/ + /* Check if the block number is the one expected */ + /* Check if PCD sent an I-Block instead ACK/NACK when we are chaining */ + if( (isoDep_GetBN(rxPCB) != gIsoDep.blockNumber) || (gIsoDep.isTxChaining) ) + { + /* Remain in the same Block Number */ + isoDep_ToggleBN( gIsoDep.blockNumber ); + + /* ISO 14443-4 7.5.6.2 & Digital 1.1 - 15.2.6.2 The CE SHALL NOT attempt error recovery and remains in Rx mode upon Transmission or a Protocol Error */ + isoDepReEnableRx( (uint8_t*)gIsoDep.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.rxLen ); + return ERR_BUSY; + } + + /*******************************************************************************/ + /* is PCD performing chaining ? */ + if( isoDep_PCBisChaining(rxPCB) ) + { + gIsoDep.isRxChaining = true; + *gIsoDep.rxChaining = true; /* Output Parameter*/ + + EXIT_ON_ERR( ret, isoDepHandleControlMsg( ISODEP_R_ACK, RFAL_ISODEP_NO_PARAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Received I-Block with chaining, send current data to DH */ + + /* remove ISO DEP header, check is necessary to move the INF data on the buffer */ + *gIsoDep.rxLen -= gIsoDep.hdrLen; + if( gIsoDep.hdrLen != gIsoDep.rxBufInfPos ) + { + ST_MEMMOVE( (gIsoDep.rxBuf + gIsoDep.rxBufInfPos), (gIsoDep.rxBuf + gIsoDep.hdrLen), *gIsoDep.rxLen ); + } + return ERR_AGAIN; /* Send Again signalling to run again, but some chaining data has arrived*/ + } + + + /*******************************************************************************/ + /* PCD is not performing chaining */ + gIsoDep.isRxChaining = false; /* clear PCD chaining flag */ + *gIsoDep.rxChaining = false; /* Output Parameter */ + + /* remove ISO DEP header, check is necessary to move the INF data on the buffer */ + *gIsoDep.rxLen -= gIsoDep.hdrLen; + if( gIsoDep.hdrLen != gIsoDep.rxBufInfPos ) + { + ST_MEMMOVE( (gIsoDep.rxBuf + gIsoDep.rxBufInfPos), (gIsoDep.rxBuf + gIsoDep.hdrLen), *gIsoDep.rxLen ); + } + + + /*******************************************************************************/ + /* Reception done, send data back and start WTX timer */ + isoDepTimerStart( gIsoDep.WTXTimer, isoDep_WTXAdjust( rfalConv1fcToMs( gIsoDep.fwt )) ); + + gIsoDep.state = ISODEP_ST_PICC_SWTX; + return ERR_NONE; + } + + /* Unexpected/Unknown Block */ + /* ISO 14443-4 7.5.6.2 & Digital 1.1 - 15.2.6.2 The CE SHALL NOT attempt error recovery and remains in Rx mode upon Transmission or a Protocol Error */ + isoDepReEnableRx( (uint8_t*)gIsoDep.rxBuf, sizeof( rfalIsoDepBufFormat ), gIsoDep.rxLen ); + + return ERR_BUSY; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepRATS( rfalIsoDepFSxI FSDI, uint8_t DID, rfalIsoDepAts *ats , uint8_t *atsLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t rcvLen; + ReturnCode ret; + rfalIsoDepRats ratsReq; + + if( ats == NULL ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Compose RATS */ + ratsReq.CMD = RFAL_ISODEP_CMD_RATS; + ratsReq.PARAM = ((FSDI << RFAL_ISODEP_RATS_PARAM_FSDI_SHIFT) & RFAL_ISODEP_RATS_PARAM_FSDI_MASK) | (DID & RFAL_ISODEP_RATS_PARAM_DID_MASK); + + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&ratsReq, sizeof(rfalIsoDepRats), (uint8_t*)ats, sizeof(rfalIsoDepAts), &rcvLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ISODEP_T4T_FWT_ACTIVATION, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( ret == ERR_NONE ) + { + /* Check for valid ATS length Digital 1.1 13.6.2.1 & 13.6.2.3 */ + if( (rcvLen < RFAL_ISODEP_ATS_MIN_LEN) || (rcvLen > RFAL_ISODEP_ATS_MAX_LEN) || (ats->TL != rcvLen) ) + { + return ERR_PROTO; + } + + /* Assign our FSx, in case the a Deselect is send without Transceive */ + gIsoDep.ourFsx = rfalIsoDepFSxI2FSx( FSDI ); + } + + /* Check and assign if ATS length was requested (length also available on TL) */ + if( atsLen != NULL ) + { + *atsLen = rcvLen; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepPPS( uint8_t DID, rfalBitRate DSI, rfalBitRate DRI, rfalIsoDepPpsRes *ppsRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t rcvLen; + ReturnCode ret; + rfalIsoDepPpsReq ppsReq; + + if( (ppsRes == NULL) || (DSI > RFAL_BR_848) || (DRI > RFAL_BR_848) || (DID > RFAL_ISODEP_DID_MAX) ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Compose PPS Request */ + ppsReq.PPSS = (RFAL_ISODEP_PPS_SB | (DID & RFAL_ISODEP_PPS_SB_DID_MASK)); + ppsReq.PPS0 = RFAL_ISODEP_PPS_PPS0_PPS1_PRESENT; + ppsReq.PPS1 = (RFAL_ISODEP_PPS_PPS1 | (((DSI<<RFAL_ISODEP_PPS_PPS1_DSI_SHIFT)|DRI) & RFAL_ISODEP_PPS_PPS1_DXI_MASK)); + + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&ppsReq, sizeof(rfalIsoDepPpsReq), (uint8_t*)ppsRes, sizeof(rfalIsoDepPpsRes), &rcvLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ISODEP_T4T_FWT_ACTIVATION, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( ret == ERR_NONE ) + { + /* Check for valid PPS Response */ + if( (rcvLen != RFAL_ISODEP_PPS_RES_LEN) || (ppsRes->PPSS != ppsReq.PPSS) ) + { + return ERR_PROTO; + } + } + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepATTRIB( uint8_t* nfcid0, uint8_t PARAM1, rfalBitRate DSI, rfalBitRate DRI, rfalIsoDepFSxI FSDI, uint8_t PARAM3, uint8_t DID, uint8_t* HLInfo, uint8_t HLInfoLen, uint32_t fwt, rfalIsoDepAttribRes *attribRes, uint8_t *attribResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t rcvLen; + ReturnCode ret; + rfalIsoDepAttribCmd attribCmd; + + + if( (attribRes == NULL) || (attribResLen == NULL) || (DSI > RFAL_BR_848) || (DRI > RFAL_BR_848) || (DID > RFAL_ISODEP_DID_MAX) ) + { + return ERR_NONE; + } + + /*******************************************************************************/ + /* Compose ATTRIB command */ + attribCmd.cmd = RFAL_ISODEP_CMD_ATTRIB; + attribCmd.Param.PARAM1 = PARAM1; + attribCmd.Param.PARAM2 = ( (((DSI<<RFAL_ISODEP_ATTRIB_PARAM2_DSI_SHIFT) | (DRI<<RFAL_ISODEP_ATTRIB_PARAM2_DRI_SHIFT)) & RFAL_ISODEP_ATTRIB_PARAM2_DXI_MASK) | (FSDI & RFAL_ISODEP_ATTRIB_PARAM2_FSDI_MASK) ); + attribCmd.Param.PARAM3 = PARAM3; + attribCmd.Param.PARAM4 = (DID & RFAL_ISODEP_ATTRIB_PARAM4_DID_MASK); + ST_MEMCPY(attribCmd.nfcid0, nfcid0, RFAL_NFCB_NFCID0_LEN); + + /* Append the Higher layer Info if provided */ + if( (HLInfo != NULL) && (HLInfoLen > 0) ) + { + ST_MEMCPY(attribCmd.HLInfo, HLInfo, MIN(HLInfoLen, RFAL_ISODEP_ATTRIB_HLINFO_LEN) ); + } + + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&attribCmd, (RFAL_ISODEP_ATTRIB_HDR_LEN + MIN(HLInfoLen, RFAL_ISODEP_ATTRIB_HLINFO_LEN)), (uint8_t*)attribRes, sizeof(rfalIsoDepAttribRes), &rcvLen, RFAL_TXRX_FLAGS_DEFAULT, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + *attribResLen = (uint8_t)rcvLen; + + if( ret == ERR_NONE ) + { + /* Check a for valid ATTRIB Response Digital 1.1 15.6.2.1 */ + if( (rcvLen < RFAL_ISODEP_ATTRIB_RES_HDR_LEN) || ((attribRes->mbliDid & RFAL_ISODEP_ATTRIB_RES_DID_MASK) != DID) ) + { + return ERR_PROTO; + } + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepPollAHandleActivation( rfalIsoDepFSxI FSDI, uint8_t DID, rfalBitRate maxBR, rfalIsoDepDevice *isoDepDev, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t RATSretries; + uint8_t msgIt; + ReturnCode ret; + rfalIsoDepPpsRes ppsRes; + + if( isoDepDev == NULL ) + { + return ERR_PARAM; + } + + /* Enable EMD handling according Digital 1.1 4.1.1.1 ; EMVCo 2.6 4.9.2 */ + rfalSetErrorHandling( RFAL_ERRORHANDLING_EMVCO ); + + RATSretries = gIsoDep.maxRetriesRATS; + + /***************************************************************************/ + /* Send RATS */ + do + { + /* Digital 1.1 13.7.1.1 and ISO 14443-4 5.6.1.1 - Upon a failed RATS it may be retransmited [0,1] */ + ret = rfalIsoDepRATS( FSDI, DID, &isoDepDev->activation.A.Listener.ATS, &isoDepDev->activation.A.Listener.ATSLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* EMVCo 2.6 9.6.1.1 & 9.6.1.2 If a timeout error is detected retransmit, on transmission error abort */ + if( (gIsoDep.compMode == RFAL_COMPLIANCE_MODE_EMV) && (ret != ERR_NONE) && (ret != ERR_TIMEOUT) ) + { + break; + } + + platformDelay(1); + } + while( (RATSretries--) && (ret != ERR_NONE) ); + + + + /* Switch between NFC Forum and ISO14443-4 behaviour #595 + * ISO14443-4 5.6.1 If RATS fails, a Deactivation sequence should be performed as defined on clause 8 + * Activity 1.1 9.6 Device Deactivation Activity is to be only performed when there's an active device */ + if( ret != ERR_NONE ) + { + if( gIsoDep.compMode == RFAL_COMPLIANCE_MODE_ISO ) + { + rfalIsoDepDeselect( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + return ret; + } + + /*******************************************************************************/ + /* Process ATS Response */ + isoDepDev->info.FWI = RFAL_ISODEP_FWI_DEFAULT; /* Default value EMVCo 2.6 5.7.2.6 */ + isoDepDev->info.SFGI = 0; + isoDepDev->info.MBL = 0; + isoDepDev->info.DSI = RFAL_BR_106; + isoDepDev->info.DRI = RFAL_BR_106; + isoDepDev->info.FSxI = RFAL_ISODEP_FSXI_32; /* FSC default value is 32 bytes ISO14443-A 5.2.3 */ + + + /*******************************************************************************/ + /* Check for ATS optional fields */ + if( isoDepDev->activation.A.Listener.ATS.TL > RFAL_ISODEP_ATS_MIN_LEN ) + { + msgIt = RFAL_ISODEP_ATS_MIN_LEN; + + /* Format byte T0 is optional, if present assign FSDI */ + isoDepDev->info.FSxI = (isoDepDev->activation.A.Listener.ATS.T0 & RFAL_ISODEP_ATS_T0_FSCI_MASK); + + /* T0 has already been processed, always the same position */ + msgIt++; + + /* Check if TA is present */ + if( isoDepDev->activation.A.Listener.ATS.T0 & RFAL_ISODEP_ATS_T0_TA_PRESENCE_MASK ) + { + rfalIsoDepCalcBitRate( maxBR, *((uint8_t*)&isoDepDev->activation.A.Listener.ATS + msgIt++), &isoDepDev->info.DSI, &isoDepDev->info.DRI ); + } + + /* Check if TB is present */ + if( isoDepDev->activation.A.Listener.ATS.T0 & RFAL_ISODEP_ATS_T0_TB_PRESENCE_MASK ) + { + isoDepDev->info.SFGI = *((uint8_t*)&isoDepDev->activation.A.Listener.ATS + msgIt++); + isoDepDev->info.FWI = ((isoDepDev->info.SFGI >> RFAL_ISODEP_ATS_TB_FWI_SHIFT) & RFAL_ISODEP_ATS_FWI_MASK); + isoDepDev->info.SFGI &= RFAL_ISODEP_ATS_TB_SFGI_MASK; + } + + /* Check if TC is present */ + if( isoDepDev->activation.A.Listener.ATS.T0 & RFAL_ISODEP_ATS_T0_TC_PRESENCE_MASK ) + { + /* Check for Protocol features support */ + /* Advanced protocol features defined on Digital 1.0 Table 69, removed after */ + isoDepDev->info.supAdFt = ((*((uint8_t*)&isoDepDev->activation.A.Listener.ATS + msgIt) & RFAL_ISODEP_ATS_TC_ADV_FEAT) ? true : false); + isoDepDev->info.supDID = ((*((uint8_t*)&isoDepDev->activation.A.Listener.ATS + msgIt) & RFAL_ISODEP_ATS_TC_DID) ? true : false); + isoDepDev->info.supNAD = ((*((uint8_t*)&isoDepDev->activation.A.Listener.ATS + msgIt++) & RFAL_ISODEP_ATS_TC_NAD) ? true : false); + } + } + + isoDepDev->info.FSx = rfalIsoDepFSxI2FSx(isoDepDev->info.FSxI); + + isoDepDev->info.SFGT = rfalIsoDepSFGI2SFGT( isoDepDev->info.SFGI ); + isoDepTimerStart( gIsoDep.SFGTTimer, isoDepDev->info.SFGT ); + + isoDepDev->info.FWT = rfalIsoDepFWI2FWT( isoDepDev->info.FWI ); + isoDepDev->info.dFWT = RFAL_ISODEP_DFWT_10; + + isoDepDev->info.DID = ( (isoDepDev->info.supDID) ? DID : RFAL_ISODEP_NO_DID); + isoDepDev->info.NAD = RFAL_ISODEP_NO_NAD; + + + /*******************************************************************************/ + /* If higher bit rates are supported by both devices, send PPS */ + if( (isoDepDev->info.DSI != RFAL_BR_106) || (isoDepDev->info.DRI != RFAL_BR_106) ) + { + /* Wait until SFGT has been fulfilled */ + while( !isoDepTimerisExpired( gIsoDep.SFGTTimer ) ); + + ret = rfalIsoDepPPS( isoDepDev->info.DID, isoDepDev->info.DSI, isoDepDev->info.DRI, &ppsRes, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( ret == ERR_NONE ) + { + /* DSI code the divisor from PICC to PCD */ + /* DRI code the divisor from PCD to PICC */ + rfalSetBitRate( isoDepDev->info.DRI, isoDepDev->info.DSI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + isoDepDev->info.DSI = RFAL_BR_106; + isoDepDev->info.DRI = RFAL_BR_106; + } + } + + /*******************************************************************************/ + /* Store already FS info, rfalIsoDepGetMaxInfLen() may be called before setting TxRx params */ + gIsoDep.fsx = isoDepDev->info.FSx; + gIsoDep.ourFsx = rfalIsoDepFSxI2FSx( FSDI ); + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepPollBHandleActivation( rfalIsoDepFSxI FSDI, uint8_t DID, rfalBitRate maxBR, uint8_t PARAM1, rfalNfcbListenDevice *nfcbDev, uint8_t* HLInfo, uint8_t HLInfoLen, rfalIsoDepDevice *isoDepDev, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t mlbi; + + /***************************************************************************/ + /* Initialize ISO-DEP Device with info from SENSB_RES */ + isoDepDev->info.FWI = ((nfcbDev->sensbRes.protInfo.FwiAdcFo >> RFAL_NFCB_SENSB_RES_FWI_SHIFT) & RFAL_NFCB_SENSB_RES_FWI_MASK); + isoDepDev->info.FWT = rfalIsoDepFWI2FWT( isoDepDev->info.FWI ); + isoDepDev->info.dFWT = RFAL_NFCB_DFWT_10; + isoDepDev->info.SFGI = ((nfcbDev->sensbRes.protInfo.SFGI >> RFAL_NFCB_SENSB_RES_SFGI_SHIFT) & RFAL_NFCB_SENSB_RES_SFGI_MASK); + isoDepDev->info.SFGT = rfalIsoDepSFGI2SFGT( isoDepDev->info.SFGI ); + isoDepDev->info.FSxI = ((nfcbDev->sensbRes.protInfo.FsciProType >> RFAL_NFCB_SENSB_RES_FSCI_SHIFT) & RFAL_NFCB_SENSB_RES_FSCI_MASK); + isoDepDev->info.FSx = rfalIsoDepFSxI2FSx(isoDepDev->info.FSxI); + isoDepDev->info.DID = DID; + isoDepDev->info.supDID = (( nfcbDev->sensbRes.protInfo.FwiAdcFo & RFAL_NFCB_SENSB_RES_FO_DID_MASK ) ? true : false); + isoDepDev->info.supNAD = (( nfcbDev->sensbRes.protInfo.FwiAdcFo & RFAL_NFCB_SENSB_RES_FO_NAD_MASK ) ? true : false); + + + /* Check if DID requested is supported by PICC */ + if( (DID != RFAL_ISODEP_NO_DID) && (!isoDepDev->info.supDID) ) + { + return ERR_PARAM; + } + + /* Enable EMD handling according Digital 1.1 4.1.1.1 ; EMVCo 2.6 4.9.2 */ + rfalSetErrorHandling( RFAL_ERRORHANDLING_EMVCO ); + + /***************************************************************************/ + /* Apply minimum TR2 from SENSB_RES */ + rfalSetFDTPoll( rfalNfcbTR2ToFDT(((nfcbDev->sensbRes.protInfo.FsciProType >>RFAL_NFCB_SENSB_RES_PROTO_TR2_SHIFT) & RFAL_NFCB_SENSB_RES_PROTO_TR2_MASK)) ); + + + /* Calculate max Bit Rate */ + rfalIsoDepCalcBitRate( maxBR, nfcbDev->sensbRes.protInfo.BRC, &isoDepDev->info.DSI, &isoDepDev->info.DRI ); + + /***************************************************************************/ + /* Send ATTRIB Command */ + ret = rfalIsoDepATTRIB( (uint8_t*)&nfcbDev->sensbRes.nfcid0, + ((nfcbDev->sensbRes.protInfo.FwiAdcFo & RFAL_NFCB_SENSB_RES_ADC_ADV_FEATURE_MASK) ? PARAM1 : RFAL_ISODEP_ATTRIB_REQ_PARAM1_DEFAULT), + isoDepDev->info.DSI, + isoDepDev->info.DRI, + FSDI, + (gIsoDep.compMode == RFAL_COMPLIANCE_MODE_EMV) ? RFAL_NFCB_SENSB_RES_PROTO_ISO_MASK : (nfcbDev->sensbRes.protInfo.FsciProType & ( (RFAL_NFCB_SENSB_RES_PROTO_TR2_MASK<<RFAL_NFCB_SENSB_RES_PROTO_TR2_SHIFT) | RFAL_NFCB_SENSB_RES_PROTO_ISO_MASK)), /* EMVCo 2.6 6.4.1.9 */ + DID, + HLInfo, + HLInfoLen, + (isoDepDev->info.FWT + isoDepDev->info.dFWT), + &isoDepDev->activation.B.Listener.ATTRIB_RES, + &isoDepDev->activation.B.Listener.ATTRIB_RESLen, mspiChannel, mST25, gpio_cs, IRQ, + fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 + ); + + /***************************************************************************/ + /* Process ATTRIB Response */ + if( ret == ERR_NONE ) + { + /* Digital 1.1 14.6.2.3 - Check if received DID match */ + if( (isoDepDev->activation.B.Listener.ATTRIB_RES.mbliDid & RFAL_ISODEP_ATTRIB_RES_DID_MASK) != DID ) + { + return ERR_PROTO; + } + + /* Retrieve MBLI and calculate new FDS/MBL (Maximum Buffer Length) */ + mlbi = ((isoDepDev->activation.B.Listener.ATTRIB_RES.mbliDid >> RFAL_ISODEP_ATTRIB_RES_MLBI_SHIFT) & RFAL_ISODEP_ATTRIB_RES_MLBI_MASK); + if( mlbi > 0) + { + /* Digital 1.1 14.6.2 Calculate Maximum Buffer Length MBL = FSC × 2^(MBLI-1) */ + isoDepDev->info.MBL = (isoDepDev->info.FSx * (1<<(mlbi-1))); + } + + /* DSI code the divisor from PICC to PCD */ + /* DRI code the divisor from PCD to PICC */ + rfalSetBitRate( isoDepDev->info.DRI, isoDepDev->info.DSI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + if( (nfcbDev->sensbRes.protInfo.FwiAdcFo & RFAL_NFCB_SENSB_RES_ADC_ADV_FEATURE_MASK) ) + { + /* REMARK: SoF EoF TR0 and TR1 are not passed on to RF layer */ + } + + /* Start the SFGT timer */ + isoDepTimerStart( gIsoDep.SFGTTimer, isoDepDev->info.SFGT ); + } + else + { + isoDepDev->info.DSI = RFAL_BR_106; + isoDepDev->info.DRI = RFAL_BR_106; + } + + /*******************************************************************************/ + /* Store already FS info, rfalIsoDepGetMaxInfLen() may be called before setting TxRx params */ + gIsoDep.fsx = isoDepDev->info.FSx; + gIsoDep.ourFsx = rfalIsoDepFSxI2FSx( FSDI ); + + return ret; +} + + +/*******************************************************************************/ +static void rfalIsoDepCalcBitRate( rfalBitRate maxAllowedBR, uint8_t piccBRCapability, rfalBitRate *dsi, rfalBitRate *dri ) +{ + uint8_t driMask; + uint8_t dsiMask; + uint8_t bitrateFound; + int8_t i; + + do + { + bitrateFound = true; + + (*dsi) = RFAL_BR_106; + (*dri) = RFAL_BR_106; + + /* Digital 1.0 5.6.2.5 & 11.6.2.14: A received RFU value of b4 = 1b MUST be interpreted as if b7 to b1 ? 0000000b (only 106 kbits/s in both direction) */ + if( (RFAL_ISODEP_BITRATE_RFU_MASK & piccBRCapability) ) + { + return; + } + + /***************************************************************************/ + /* Determine Listen->Poll bit rate */ + dsiMask = (piccBRCapability & RFAL_ISODEP_BSI_MASK); + for( i = 2; i >= 0; i-- ) /* Check supported bit rate from the highest */ + { + if ((dsiMask & (0x10 << i)) && (((rfalBitRate)(i+1)) <= maxAllowedBR)) + { + (*dsi) = ((rfalBitRate)(i+1)); + break; + } + } + + /***************************************************************************/ + /* Determine Poll->Listen bit rate */ + driMask = (piccBRCapability & RFAL_ISODEP_BRI_MASK); + for( i = 2; i >= 0; i-- ) /* Check supported bit rate from the highest */ + { + if ((driMask & (0x01 << i)) && (((rfalBitRate)(i+1)) <= maxAllowedBR)) + { + (*dri) = ((rfalBitRate)(i+1)); + break; + } + } + + /***************************************************************************/ + /* Check if different bit rate is supported */ + + /* Digital 1.0 Table 67: if b8=1b, then only the same bit rate divisor for both directions is supported */ + if( piccBRCapability & RFAL_ISODEP_SAME_BITRATE_MASK ) + { + (*dsi) = MIN((*dsi), (*dri)); + (*dri) = (*dsi); + /* Check that the baudrate is supported */ + if( (RFAL_BR_106 != (*dsi)) && ( !((dsiMask & (0x10 << ((*dsi) - 1))) &&(driMask & (0x01 << ((*dri) - 1)))) ) ) + { + bitrateFound = false; + maxAllowedBR = (*dsi); /* set allowed bitrate to be lowest and determine bit rate again */ + } + } + } while (!(bitrateFound)); + +} + + + /*******************************************************************************/ + static void rfalIsoDepApdu2IBLockParam( rfalIsoDepApduTxRxParam apduParam, rfalIsoDepTxRxParam *iBlockParam, uint16_t txPos, uint16_t rxPos ) +{ + NO_WARNING(rxPos); /* Keep this param for future use */ + + iBlockParam->DID = apduParam.DID; + iBlockParam->FSx = apduParam.FSx; + iBlockParam->ourFSx = apduParam.ourFSx; + iBlockParam->FWT = apduParam.FWT; + iBlockParam->dFWT = apduParam.dFWT; + + if( (apduParam.txBufLen - txPos) > rfalIsoDepGetMaxInfLen() ) + { + iBlockParam->isTxChaining = true; + iBlockParam->txBufLen = rfalIsoDepGetMaxInfLen(); + } + else + { + iBlockParam->isTxChaining = false; + iBlockParam->txBufLen = (apduParam.txBufLen - txPos); + } + + /* TxBuf is moved to the beginning for every I-Block */ + iBlockParam->txBuf = (rfalIsoDepBufFormat*)apduParam.txBuf; + iBlockParam->rxBuf = apduParam.tmpBuf; /* Simply using the apdu buffer is not possible because of current ACK handling */ + iBlockParam->isRxChaining = &gIsoDep.isAPDURxChaining; + iBlockParam->rxLen = apduParam.rxLen; +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepStartApduTransceive( rfalIsoDepApduTxRxParam param ) +{ + rfalIsoDepTxRxParam txRxParam; + + /* Initialize and store APDU context */ + gIsoDep.APDUParam = param; + gIsoDep.APDUTxPos = 0; + gIsoDep.APDURxPos = 0; + + /* Assign current FSx to calculate INF length */ + gIsoDep.ourFsx = param.ourFSx; + gIsoDep.fsx = param.FSx; + + /* Convert APDU TxRxParams to I-Block TxRxParams */ + rfalIsoDepApdu2IBLockParam( gIsoDep.APDUParam, &txRxParam, gIsoDep.APDUTxPos, gIsoDep.APDURxPos ); + + return rfalIsoDepStartTransceive( txRxParam ); +} + + +/*******************************************************************************/ +ReturnCode rfalIsoDepGetApduTransceiveStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalIsoDepTxRxParam txRxParam; + + ret = rfalIsoDepGetTransceiveStatus( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + switch( ret ) + { + /*******************************************************************************/ + case ERR_NONE: + + /* Check if we are still doing chaining on Tx */ + if( gIsoDep.isTxChaining ) + { + /* Add already Tx bytes */ + gIsoDep.APDUTxPos += gIsoDep.txBufLen; + + /* Convert APDU TxRxParams to I-Block TxRxParams */ + rfalIsoDepApdu2IBLockParam( gIsoDep.APDUParam, &txRxParam, gIsoDep.APDUTxPos, gIsoDep.APDURxPos ); + + /* Move next I-Block to beginning of APDU Tx buffer */ + ST_MEMCPY( gIsoDep.APDUParam.txBuf->apdu, &gIsoDep.APDUParam.txBuf->apdu[gIsoDep.APDUTxPos], txRxParam.txBufLen ); + + rfalIsoDepStartTransceive( txRxParam ); + return ERR_BUSY; + } + + /* Copy packet from tmp buffer to APDU buffer */ + ST_MEMCPY( &gIsoDep.APDUParam.rxBuf->apdu[gIsoDep.APDURxPos], gIsoDep.APDUParam.tmpBuf->inf, *gIsoDep.APDUParam.rxLen ); + gIsoDep.APDURxPos += *gIsoDep.APDUParam.rxLen; + + /* APDU TxRx is done */ + break; + + /*******************************************************************************/ + case ERR_AGAIN: + /* Copy chained packet from tmp buffer to APDU buffer */ + ST_MEMCPY( &gIsoDep.APDUParam.rxBuf->apdu[gIsoDep.APDURxPos], gIsoDep.APDUParam.tmpBuf->inf, *gIsoDep.APDUParam.rxLen ); + gIsoDep.APDURxPos += *gIsoDep.APDUParam.rxLen; + + /* Wait for next I-Block */ + return ERR_BUSY; + + /*******************************************************************************/ + default: + return ret; + } + + *gIsoDep.APDUParam.rxLen = gIsoDep.APDURxPos; + + return ERR_NONE; + } + +#endif /* RFAL_FEATURE_ISO_DEP */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_isoDep.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,813 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_isoDep.h + * + * \author Gustavo Patricio + * + * \brief Implementation of ISO-DEP protocol + * + * This implementation was based on the following specs: + * - ISO/IEC 14443-4 2nd Edition 2008-07-15 + * - NFC Forum Digital Protocol 1.1 2014-01-14 + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup ISO-DEP + * @brief RFAL ISO-DEP Module + * @{ + * + */ + +#ifndef RFAL_ISODEP_H_ +#define RFAL_ISODEP_H_ +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "rfal_nfcb.h" + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +#define RFAL_ISODEP_PROLOGUE_SIZE (3) /*!< Length of Prologue Field for I-Block Format */ + +#define RFAL_ISODEP_PCB_LEN (1) /*!< PCB length */ +#define RFAL_ISODEP_DID_LEN (1) /*!< DID length */ +#define RFAL_ISODEP_NAD_LEN (1) /*!< NAD length */ +#define RFAL_ISODEP_NO_DID (0x00) /*!< DID value indicating the ISO-DEP layer not to use DID */ +#define RFAL_ISODEP_NO_NAD (0xFF) /*!< NAD value indicating the ISO-DEP layer not to use NAD */ + +#define RFAL_ISODEP_FSDI_DEFAULT (8) /*!< Default Frame Size Integer supported by NFCC as Initiator */ +#define RFAL_ISODEP_FWI_MASK (0xF0) /*!< Mask bits of FWI */ +#define RFAL_ISODEP_FWI_SHIFT (4) /*!< Shift val of FWI */ +#define RFAL_ISODEP_FWI_DEFAULT (4) /*!< Default value for FWI Digital 1.0 11.6.2.17 */ +#define RFAL_ISODEP_ADV_FEATURE (0x0F) /*!< Indicate 256 Bytes FSD and Advanc Proto Feature support:NAD & DID */ + +#define RFAL_ISODEP_DID_MAX (14) /*!< Maximum DID value */ + +#define RFAL_ISODEP_BRI_MASK (0x07) /*!< Mask bits for Poll to Listen Send bitrate */ +#define RFAL_ISODEP_BSI_MASK (0x70) /*!< Mask bits for Listen to Poll Send bitrate */ +#define RFAL_ISODEP_SAME_BITRATE_MASK (0x80) /*!< Mask bit indicate only same bit rate D for both direction support */ +#define RFAL_ISODEP_BITRATE_RFU_MASK (0x08) /*!< Mask bit for RFU */ + +/*! Maximum Frame Waiting Time = ((256 * 16/fc) * 2^FWImax) = ((256*16/fc)*2^14) = (67108864)/fc = 2^26 (1/fc) */ +#define RFAL_ISODEP_MAX_FWT (1<<26) + + + +#define RFAL_ISODEP_FSX_KEEP (0xFF) /*!< Flag to keep FSX from activation */ +#define RFAL_ISODEP_DEFAULT_FSCI RFAL_ISODEP_FSXI_256 /*!< FSCI default value to be used in Listen Mode */ +#define RFAL_ISODEP_DEFAULT_FSC RFAL_ISODEP_FSX_256 /*!< FSC default value (aligned RFAL_ISODEP_DEFAULT_FSCI) */ +#define RFAL_ISODEP_DEFAULT_SFGI (0) /*!< SFGI Default value to be used in Listen Mode */ + +#define RFAL_ISODEP_APDU_MAX_LEN RFAL_ISODEP_FSX_1024 /*!< Max APDU length */ + +#define RFAL_ISODEP_ATTRIB_RES_MBLI_NO_INFO (0x00) /*!< MBLI indicating no information on its internal input buffer size */ +#define RFAL_ISODEP_ATTRIB_REQ_PARAM1_DEFAULT (0x00) /*!< Default values of Param 1 of ATTRIB_REQ Digital 1.0 12.6.1.3-5 */ +#define RFAL_ISODEP_ATTRIB_HLINFO_LEN (32) /*!< Maximum Size of Higher Layer Information */ +#define RFAL_ISODEP_ATS_HB_MAX_LEN (15) /*!< Maximum length of Historical Bytes Digital 1.1 13.6.2.23 */ +#define RFAL_ISODEP_ATTRIB_REQ_MIN_LEN (9) /*!< Minimum Length of ATTRIB_REQ command */ +#define RFAL_ISODEP_ATTRIB_RES_MIN_LEN (1) /*!< Minimum Length of ATTRIB_RES response */ + +#define RFAL_ISODEP_ATS_TA_DPL_212 (0x01) /*!< ATS TA DSI 212 kbps support bit mask */ +#define RFAL_ISODEP_ATS_TA_DPL_424 (0x02) /*!< ATS TA DSI 424 kbps support bit mask */ +#define RFAL_ISODEP_ATS_TA_DPL_848 (0x04) /*!< ATS TA DSI 848 kbps support bit mask */ +#define RFAL_ISODEP_ATS_TA_DLP_212 (0x10) /*!< ATS TA DSI 212 kbps support bit mask */ +#define RFAL_ISODEP_ATS_TA_DLP_424 (0x20) /*!< ATS TA DRI 424 kbps support bit mask */ +#define RFAL_ISODEP_ATS_TA_DLP_848 (0x40) /*!< ATS TA DRI 848 kbps support bit mask */ +#define RFAL_ISODEP_ATS_TA_SAME_D (0x80) /*!< ATS TA same bit both directions bit mask */ +#define RFAL_ISODEP_ATS_TB_FWI_MASK (0xF0) /*!< Mask bits for FWI (Frame Waiting Integer) in TB byte */ +#define RFAL_ISODEP_ATS_TB_SFGI_MASK (0x0F) /*!< Mask bits for SFGI (Start-Up Frame Guard Integer) in TB byte */ + +#define RFAL_ISODEP_ATS_T0_TA_PRESENCE_MASK (0x10) /*!< Mask bit for TA presence */ +#define RFAL_ISODEP_ATS_T0_TB_PRESENCE_MASK (0x20) /*!< Mask bit for TB presence */ +#define RFAL_ISODEP_ATS_T0_TC_PRESENCE_MASK (0x40) /*!< Mask bit for TC presence */ +#define RFAL_ISODEP_ATS_T0_FSCI_MASK (0x0F) /*!< Mask bit for FSCI presence */ +#define RFAL_ISODEP_ATS_T0_OFFSET (0x01) /*!< Offset of T0 in ATS Response */ + + +#define RFAL_ISODEP_MAX_I_RETRYS (2) /*!< Number of retries for a I-Block Digital 1.1 15.2.5.4 */ +#define RFAL_ISODEP_MAX_R_RETRYS (3) /*!< Number of retries for a R-Block Digital 1.1 A8 - nRETRY ACK/NAK: [2,5] */ +#define RFAL_ISODEP_MAX_S_RETRYS (3) /*!< Number of retries for a S-Block Digital 1.1 A8 - nRETRY DESELECT: [0,5] WTX[2,5] */ +#define RFAL_ISODEP_RATS_RETRIES (1) /*!< RATS retries upon fail Digital 1.1 A.6 - [0,1] */ + + +/*! Frame Size for Proximity Card Integer definitions */ +typedef enum +{ + RFAL_ISODEP_FSXI_16 = 0, /*!< Frame Size for Proximity Card Integer with 16 bytes */ + RFAL_ISODEP_FSXI_24 = 1, /*!< Frame Size for Proximity Card Integer with 24 bytes */ + RFAL_ISODEP_FSXI_32 = 2, /*!< Frame Size for Proximity Card Integer with 32 bytes */ + RFAL_ISODEP_FSXI_40 = 3, /*!< Frame Size for Proximity Card Integer with 40 bytes */ + RFAL_ISODEP_FSXI_48 = 4, /*!< Frame Size for Proximity Card Integer with 48 bytes */ + RFAL_ISODEP_FSXI_64 = 5, /*!< Frame Size for Proximity Card Integer with 64 bytes */ + RFAL_ISODEP_FSXI_96 = 6, /*!< Frame Size for Proximity Card Integer with 96 bytes */ + RFAL_ISODEP_FSXI_128 = 7, /*!< Frame Size for Proximity Card Integer with 128 bytes */ + RFAL_ISODEP_FSXI_256 = 8, /*!< Frame Size for Proximity Card Integer with 256 bytes */ + RFAL_ISODEP_FSXI_512 = 9, /*!< Frame Size for Proximity Card Integer with 512 bytes ISO14443-3 Amd2 2012 */ + RFAL_ISODEP_FSXI_1024 = 10, /*!< Frame Size for Proximity Card Integer with 1024 bytes ISO14443-3 Amd2 2012 */ + RFAL_ISODEP_FSXI_2048 = 11, /*!< Frame Size for Proximity Card Integer with 2048 bytes ISO14443-3 Amd2 2012 */ + RFAL_ISODEP_FSXI_4096 = 12 /*!< Frame Size for Proximity Card Integer with 4096 bytes ISO14443-3 Amd2 2012 */ +} rfalIsoDepFSxI; + +/*! Frame Size for Proximity Card definitions */ +typedef enum +{ + RFAL_ISODEP_FSX_16 = 16, /*!< Frame Size for Proximity Card with 16 bytes */ + RFAL_ISODEP_FSX_24 = 24, /*!< Frame Size for Proximity Card with 16 bytes */ + RFAL_ISODEP_FSX_32 = 32, /*!< Frame Size for Proximity Card with 32 bytes */ + RFAL_ISODEP_FSX_40 = 40, /*!< Frame Size for Proximity Card with 40 bytes */ + RFAL_ISODEP_FSX_48 = 48, /*!< Frame Size for Proximity Card with 48 bytes */ + RFAL_ISODEP_FSX_64 = 64, /*!< Frame Size for Proximity Card with 64 bytes */ + RFAL_ISODEP_FSX_96 = 96, /*!< Frame Size for Proximity Card with 96 bytes */ + RFAL_ISODEP_FSX_128 = 128, /*!< Frame Size for Proximity Card with 128 bytes */ + RFAL_ISODEP_FSX_256 = 256, /*!< Frame Size for Proximity Card with 256 bytes */ + RFAL_ISODEP_FSX_512 = 512, /*!< Frame Size for Proximity Card with 512 bytes ISO14443-3 Amd2 2012 */ + RFAL_ISODEP_FSX_1024 = 1024, /*!< Frame Size for Proximity Card with 1024 bytes ISO14443-3 Amd2 2012 */ + RFAL_ISODEP_FSX_2048 = 2048, /*!< Frame Size for Proximity Card with 2048 bytes ISO14443-3 Amd2 2012 */ + RFAL_ISODEP_FSX_4096 = 4096, /*!< Frame Size for Proximity Card with 4096 bytes ISO14443-3 Amd2 2012 */ +} rfalIsoDepFSx; + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +/* + ****************************************************************************** + * GLOBAL DATA TYPES + ****************************************************************************** + */ + +/*! RATS format Digital 1.1 13.6.1 */ +typedef struct +{ + uint8_t CMD; /*!< RATS command byte: 0xE0 */ + uint8_t PARAM; /*!< Param indicating FSDI and DID */ +} rfalIsoDepRats; + + +/*! ATS response format Digital 1.1 13.6.2 */ +typedef struct +{ + uint8_t TL; /*!< Length Byte, including TL byte itself */ + uint8_t T0; /*!< Format Byte T0 indicating if TA, TB, TC */ + uint8_t TA; /*!< Interface Byte TA(1) */ + uint8_t TB; /*!< Interface Byte TB(1) */ + uint8_t TC; /*!< Interface Byte TC(1) */ + uint8_t HB[RFAL_ISODEP_ATS_HB_MAX_LEN]; /*!< Historical Bytes */ +} rfalIsoDepAts; + + +/*! PPS Request format (Protocol and Parameter Selection) ISO14443-4 5.3 */ +typedef struct +{ + uint8_t PPSS; /*!< Start Byte: [ 1101b | CID[4b] ] */ + uint8_t PPS0; /*!< Parameter 0:[ 000b | PPS1[1n] | 0001b ] */ + uint8_t PPS1; /*!< Parameter 1:[ 0000b | DSI[2b] | DRI[2b] ]*/ +} rfalIsoDepPpsReq; + + +/*! PPS Response format (Protocol and Parameter Selection) ISO14443-4 5.4 */ +typedef struct +{ + uint8_t PPSS; /*!< Start Byte: [ 1101b | CID[4b] ] */ +} rfalIsoDepPpsRes; + + +/*! ATTRIB Command Format Digital 1.1 15.6.1 */ +typedef struct +{ + uint8_t cmd; /*!< ATTRIB_REQ command byte */ + uint8_t nfcid0[RFAL_NFCB_NFCID0_LEN]; /*!< NFCID0 of the card to be selected */ + struct{ + uint8_t PARAM1; /*!< PARAM1 of ATTRIB command */ + uint8_t PARAM2; /*!< PARAM2 of ATTRIB command */ + uint8_t PARAM3; /*!< PARAM3 of ATTRIB command */ + uint8_t PARAM4; /*!< PARAM4 of ATTRIB command */ + }Param; /*!< Parameter of ATTRIB command */ + uint8_t HLInfo[RFAL_ISODEP_ATTRIB_HLINFO_LEN]; /*!< Higher Layer Information */ +} rfalIsoDepAttribCmd; + + +/*! ATTRIB Response Format Digital 1.1 15.6.2 */ +typedef struct +{ + uint8_t mbliDid; /*!< Contains MBLI and DID */ + uint8_t HLInfo[RFAL_ISODEP_ATTRIB_HLINFO_LEN]; /*!< Higher Layer Information */ +} rfalIsoDepAttribRes; + + +/*! Activation info as Poller and Listener for NFC-A and NFC-B */ +typedef union { + + /*! NFC-A information */ + union { + struct { + rfalIsoDepAts ATS; /*!< ATS response (Poller mode) */ + uint8_t ATSLen; /*!< ATS response length (Poller mode) */ + }Listener; + struct { + rfalIsoDepRats RATS; /*!< RATS request (Listener mode) */ + }Poller; + }A; + + /*! NFC-B information */ + union { + struct{ + rfalIsoDepAttribRes ATTRIB_RES; /*!< ATTRIB_RES (Poller mode) */ + uint8_t ATTRIB_RESLen; /*!< ATTRIB_RES length (Poller mode) */ + }Listener; + struct{ + rfalIsoDepAttribCmd ATTRIB; /*!< ATTRIB request (Listener mode) */ + uint8_t ATTRIBLen; /*!< ATTRIB request length (Listener mode) */ + }Poller; + }B; +}rfalIsoDepActivation; + + +/*! ISO-DEP device Info */ +typedef struct { + uint8_t FWI; /*!< Frame Waiting Integer */ + uint32_t FWT; /*!< Frame Waiting Time (1/fc) */ + uint32_t dFWT; /*!< Delta Frame Waiting Time (1/fc) */ + uint32_t SFGI; /*!< Start-up Frame Guard time Integer */ + uint32_t SFGT; /*!< Start-up Frame Guard Time (ms) */ + uint8_t FSxI; /*!< Frame Size Device/Card Integer (FSDI or FSCI) */ + uint16_t FSx; /*!< Frame Size Device/Card (FSD or FSC) */ + uint32_t MBL; /*!< Maximum Buffer Length (optional for NFC-B) */ + rfalBitRate DSI; /*!< Bit Rate coding from Listener (PICC) to Poller (PCD) */ + rfalBitRate DRI; /*!< Bit Rate coding from Poller (PCD) to Listener (PICC) */ + uint8_t DID; /*!< Device ID */ + uint8_t NAD; /*!< Node ADdress */ + bool supDID; /*!< DID supported flag */ + bool supNAD; /*!< NAD supported flag */ + bool supAdFt; /*!< Advanced Features supported flag */ +} rfalIsoDepInfo; + + +/*! ISO-DEP Device structure */ +typedef struct { + rfalIsoDepActivation activation; /*!< Activation Info */ + rfalIsoDepInfo info; /*!< ISO-DEP (ISO14443-4) device Info */ +} rfalIsoDepDevice; + + +/*! ATTRIB Response parameters */ +typedef struct +{ + uint8_t mbli; /*!< MBLI */ + uint8_t HLInfo[RFAL_ISODEP_ATTRIB_HLINFO_LEN]; /*!< Hi Layer Information */ + uint8_t HLInfoLen; /*!< Hi Layer Information Length */ +} rfalIsoDepAttribResParam; + + +/*! ATS Response parameter */ +typedef struct +{ + uint8_t fsci; /*!< Frame Size of Proximity Card Integer */ + uint8_t fwi; /*!< Frame Waiting Time Integer */ + uint8_t sfgi; /*!< Start-Up Frame Guard Time Integer */ + bool didSupport; /*!< DID Supported */ + uint8_t ta; /*!< Max supported bitrate both direction */ + uint8_t *hb; /*!< Historical Bytes data */ + uint8_t hbLen; /*!< Historical Bytes Length */ +} rfalIsoDepAtsParam; + + +/*! Structure of I-Block Buffer format from caller */ +typedef struct +{ + uint8_t prologue[RFAL_ISODEP_PROLOGUE_SIZE]; /*!< Prologue/SoD buffer */ + uint8_t inf[RFAL_ISODEP_DEFAULT_FSC]; /*!< INF/Payload buffer */ +} rfalIsoDepBufFormat; + + +/*! Structure of APDU Buffer format from caller */ +typedef struct +{ + uint8_t prologue[RFAL_ISODEP_PROLOGUE_SIZE]; /*!< Prologue/SoD buffer */ + uint8_t apdu[RFAL_ISODEP_APDU_MAX_LEN]; /*!< APDU/Payload buffer */ +} rfalIsoDepApduBufFormat; + + +/*! Listen Activation Parameters Structure */ +typedef struct +{ + rfalIsoDepBufFormat *rxBuf; /*!< Receive Buffer struct reference */ + uint16_t *rxLen; /*!< Received INF data length in Bytes */ + bool *isRxChaining; /*!< Received data is not complete */ + rfalIsoDepDevice *isoDepDev; /*!< ISO-DEP device info */ +} rfalIsoDepListenActvParam; + + +/*! Structure of parameters used on ISO DEP Transceive */ +typedef struct +{ + rfalIsoDepBufFormat *txBuf; /*!< Transmit Buffer struct reference */ + uint16_t txBufLen; /*!< Transmit Buffer INF field length in Bytes*/ + bool isTxChaining; /*!< Transmit data is not complete */ + rfalIsoDepBufFormat *rxBuf; /*!< Receive Buffer struct reference in Bytes */ + uint16_t *rxLen; /*!< Received INF data length in Bytes */ + bool *isRxChaining; /*!< Received data is not complete */ + uint32_t FWT; /*!< FWT to be used (ignored in Listen Mode) */ + uint32_t dFWT; /*!< Delta FWT to be used */ + uint16_t ourFSx; /*!< Our device Frame Size (FSD or FSC) */ + uint16_t FSx; /*!< Other device Frame Size (FSD or FSC) */ + uint8_t DID; /*!< Device ID (RFAL_ISODEP_NO_DID if no DID) */ +} rfalIsoDepTxRxParam; + + +/*! Structure of parameters used on ISO DEP APDU Transceive */ +typedef struct +{ + rfalIsoDepApduBufFormat *txBuf; /*!< Transmit Buffer struct reference */ + uint16_t txBufLen; /*!< Transmit Buffer INF field length in Bytes*/ + rfalIsoDepApduBufFormat *rxBuf; /*!< Receive Buffer struct reference in Bytes */ + uint16_t *rxLen; /*!< Received INF data length in Bytes */ + rfalIsoDepBufFormat *tmpBuf; /*!< Temp buffer for Rx I-Blocks (internal) */ + uint32_t FWT; /*!< FWT to be used (ignored in Listen Mode) */ + uint32_t dFWT; /*!< Delta FWT to be used */ + uint16_t FSx; /*!< Other device Frame Size (FSD or FSC) */ + uint16_t ourFSx; /*!< Our device Frame Size (FSD or FSC) */ + uint8_t DID; /*!< Device ID (RFAL_ISODEP_NO_DID if no DID) */ +} rfalIsoDepApduTxRxParam; + +/* + ****************************************************************************** + * GLOBAL FUNCTION PROTOTYPES + ****************************************************************************** + */ + + +/*! + ****************************************************************************** + * \brief Initialize the ISO-DEP protocol + * + * Initialize the ISO-DEP protocol layer with default config + ****************************************************************************** + */ +void rfalIsoDepInitialize( void ); + + +/*! + ****************************************************************************** + * \brief Initialize the ISO-DEP protocol + * + * Initialize the ISO-DEP protocol layer with additional parameters allowing + * to customise the protocol layer for specific behaviours + * + * \param[in] compMode : compliance mode to be performed + * \param[in] maxRetriesR : Number of retries for a R-Block + * \param[in] maxRetriesS : Number of retries for a S-Block + * \param[in] maxRetriesI : Number of retries for a I-Block + * \param[in] maxRetriesRATS : Number of retries for RATS + * + ****************************************************************************** + */ +void rfalIsoDepInitializeWithParams( rfalComplianceMode compMode, uint8_t maxRetriesR, uint8_t maxRetriesS, uint8_t maxRetriesI, uint8_t maxRetriesRATS ); + + +/*! + ***************************************************************************** + * \brief FSxI to FSx + * + * Convert Frame Size for proximity coupling Device Integer (FSxI) to + * Frame Size for proximity coupling Device (FSx) + * + * FSD - maximum frame size for NFC Forum Device in Poll Mode + * FSC - maximum frame size for NFC Forum Device in Listen Mode + * + * FSxI = FSDI or FSCI + * FSx = FSD or FSC + * + * The FSD/FSC value includes the header and CRC + * + * \param[in] fsxi : Frame Size for proximity coupling Device Integer + * + * \return fsx : Frame Size for proximity coupling Device (FSD or FSC) + * + ***************************************************************************** + */ +uint16_t rfalIsoDepFSxI2FSx( uint8_t fsxi ); + + +/*! + ***************************************************************************** + * \brief FWI to FWT + * + * Convert Frame Waiting time Integer (FWI) to Frame Waiting Time (FWT) in + * 1/fc units + * + * \param[in] fwi : Frame Waiting time Integer + * + * \return fwt : Frame Waiting Time in 1/fc units + * + ***************************************************************************** + */ +uint32_t rfalIsoDepFWI2FWT( uint8_t fwi ); + + +/*! + ***************************************************************************** + * \brief Check if the buffer data contains a valid RATS command + * + * Check if it is a well formed RATS command with 2 bytes + * This function does not check the validity of FSDI and DID + * + * \param[in] buf : reference to buffer containing the data to be checked + * \param[in] bufLen : length of data in the buffer in bytes + * + * \return true if the data indicates a RATS command; false otherwise + ***************************************************************************** + */ +bool rfalIsoDepIsRats( uint8_t *buf, uint8_t bufLen ); + + +/*! + ***************************************************************************** + * \brief Check if the buffer data contains a valid ATTRIB command + * + * Check if it is a well formed ATTRIB command, but does not check the + * validity of the information inside + * + * \param[in] buf : reference to buffer containing the data to be checked + * \param[in] bufLen : length of data in the buffer in bytes + * + * \return true if the data indicates a ATTRIB command; false otherwise + ***************************************************************************** + */ +bool rfalIsoDepIsAttrib( uint8_t *buf, uint8_t bufLen ); + + +/*! + ***************************************************************************** + * \brief Start Listen Activation Handling + * + * Start Listen Activation Handling and setup to receive first I-block which may + * contain complete or partial APDU after activation is completed + * + * Pass in RATS for T4AT, or ATTRIB for T4BT, to handle ATS or ATTRIB Response respectively + * The Activation Handling handles ATS and ATTRIB Response; and additionally PPS Response + * if a PPS is received for T4AT. + * The method uses the current RFAL state machine to determine if it is expecting RATS or ATTRIB + * + * Activation is completed if PPS Response is sent or if first PDU is received in T4T-A + * Activation is completed if ATTRIB Response is sent in T4T-B + * + * \ref rfalIsoDepListenGetActivationStatus provide status if activation is completed. + * \ref rfalIsoDepStartTransceive shall be called right after activation is completed + * + * \param[in] atsParam : reference to ATS parameters + * \param[in] attribResParam : reference to ATTRIB_RES parameters + * \param[in] buf : reference to buffer containing RATS or ATTRIB + * \param[in] bufLen : length in bytes of the given bufffer + * \param[in] rxParam : reference to incoming reception information will be placed + * + * + * \warning Once the Activation has been completed the method + * rfalIsoDepGetTransceiveStatus() must be called. + * If activation has completed due to reception of a data block (not PPS) the + * buffer owned by the caller and passed on rxParam must still contain this data. + * The first data will be processed (I-Block or S-DSL) by rfalIsoDepGetTransceiveStatus() + * inform the caller and then for the next transaction use rfalIsoDepStartTransceive() + * + * \return ERR_NONE : RATS/ATTRIB is valid and activation has started + * \return ERR_PARAM : Invalid parameters + * \return ERR_PROTO : Invalid request + * \return ERR_NOTSUPP : Feature not supported + ***************************************************************************** + */ +ReturnCode rfalIsoDepListenStartActivation( rfalIsoDepAtsParam *atsParam, rfalIsoDepAttribResParam *attribResParam, uint8_t *buf, uint16_t bufLen, rfalIsoDepListenActvParam rxParam, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Get the current Activation Status + * + * \return ERR_NONE if Activation is already completed + * \return ERR_BUSY if Activation is ongoing + * \return ERR_LINK_LOSS if Remote Field is turned off + ***************************************************************************** + */ +ReturnCode rfalIsoDepListenGetActivationStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Get the ISO-DEP Communication Information + * + * Gets the maximum INF length in bytes based on current Frame Size + * for proximity coupling Device (FSD or FSC) excluding the header and CRC + * + * \return maximum INF length in bytes + ***************************************************************************** + */ +uint16_t rfalIsoDepGetMaxInfLen( void ); + + +/*! + ***************************************************************************** + * \brief ISO-DEP Start Transceive + * + * This method triggers a ISO-DEP Transceive containing a complete or + * partial APDU + * It transmits the given message and handles all protocol retransmitions, + * error handling and control messages + * + * The txBuf contains a complete or partial APDU (INF) to be transmitted + * The Prologue field will be manipulated by the Transceive + * + * If the buffer contains a partial APDU and is not the last block, + * then isTxChaining must be set to true + * + * \param[in] param: reference parameters to be used for the Transceive + * + * \return ERR_PARAM : Bad request + * \return ERR_WRONG_STATE : The module is not in a proper state + * \return ERR_NONE : The Transceive request has been started + ***************************************************************************** + */ +ReturnCode rfalIsoDepStartTransceive( rfalIsoDepTxRxParam param ); + + +/*! + ***************************************************************************** + * \brief Get the Transceive status + * + * Returns the status of the ISO-DEP Transceive + * + * \warning When the other device is performing chaining once a chained + * block is received the error ERR_AGAIN is sent. At this point + * caller must handle the received data immediately. + * When ERR_AGAIN is returned an ACK has already been sent to + * the other device and the next block might be incoming. + * If rfalWorker() is called frequently it will place the next + * block on the given buffer + * + * + * \return ERR_NONE : Transceive has been completed successfully + * \return ERR_BUSY : Transceive is ongoing + * \return ERR_PROTO : Protocol error occurred + * \return ERR_TIMEOUT : Timeout error occurred + * \return ERR_SLEEP_REQ : Deselect has been received and responded + * \return ERR_NOMEM : The received INF does not fit into the + * receive buffer + * \return ERR_LINK_LOSS : Communication is lost because Reader/Writer + * has turned off its field + * \return ERR_AGAIN : received one chaining block, continue to call + * this method to retrieve the remaining blocks + ***************************************************************************** + */ +ReturnCode rfalIsoDepGetTransceiveStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ISO-DEP Start APDU Transceive + * + * This method triggers a ISO-DEP Transceive containing a complete APDU + * It transmits the given message and handles all protocol retransmitions, + * error handling and control messages + * + * The txBuf contains a complete APDU to be transmitted + * The Prologue field will be manipulated by the Transceive + * + * \warning the txBuf will be modified during the transmission + * \warning the maximum RF frame which can be received is limited by param.tmpBuf + * + * \param[in] param: reference parameters to be used for the Transceive + * + * \return ERR_PARAM : Bad request + * \return ERR_WRONG_STATE : The module is not in a proper state + * \return ERR_NONE : The Transceive request has been started + ***************************************************************************** + */ +ReturnCode rfalIsoDepStartApduTransceive( rfalIsoDepApduTxRxParam param ); + + +/*! + ***************************************************************************** + * \brief Get the APDU Transceive status + * + * \return ERR_NONE : if Transceive has been completed successfully + * \return ERR_BUSY : if Transceive is ongoing + * \return ERR_PROTO : if a protocol error occurred + * \return ERR_TIMEOUT : if a timeout error occurred + * \return ERR_SLEEP_REQ : if Deselect is received and responded + * \return ERR_NOMEM : if the received INF does not fit into the + * receive buffer + * \return ERR_LINK_LOSS : if communication is lost because Reader/Writer + * has turned off its field + ***************************************************************************** + */ +ReturnCode rfalIsoDepGetApduTransceiveStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief ISO-DEP Send RATS + * + * This sends a RATS to make a NFC-A Listen Device to enter + * ISO-DEP layer (ISO14443-4) and checks if the received ATS is valid + * + * \param[in] FSDI : Frame Size Device Integer to be used + * \param[in] DID : Device ID to be used or RFAL_ISODEP_NO_DID for not use DID + * \param[out] ats : pointer to place the ATS Response + * \param[out] atsLen : pointer to place the ATS length + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, ATS received + ***************************************************************************** + */ +ReturnCode rfalIsoDepRATS( rfalIsoDepFSxI FSDI, uint8_t DID, rfalIsoDepAts *ats , uint8_t *atsLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ISO-DEP Send PPS + * + * This sends a PPS to make a NFC-A Listen Device change the communications + * bit rate from 106kbps to one of the supported bit rates + * Additionally checks if the received PPS response is valid + * + * \param[in] DID : Device ID + * \param[in] DSI : DSI code the divisor from Listener (PICC) to Poller (PCD) + * \param[in] DRI : DRI code the divisor from Poller (PCD) to Listener (PICC) + * \param[out] ppsRes : pointer to place the PPS Response + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, PPS Response received + ***************************************************************************** + */ +ReturnCode rfalIsoDepPPS( uint8_t DID, rfalBitRate DSI, rfalBitRate DRI, rfalIsoDepPpsRes *ppsRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ISO-DEP Send ATTRIB + * + * This sends a ATTRIB to make a NFC-B Listen Device to enter + * ISO-DEP layer (ISO14443-4) and checks if the received ATTRIB Response is valid + * + * \param[in] nfcid0 : NFCID0 to be used for the ATTRIB + * \param[in] PARAM1 : ATTRIB PARAM1 byte (communication parameters) + * \param[in] DSI : DSI code the divisor from Listener (PICC) to Poller (PCD) + * \param[in] DRI : DRI code the divisor from Poller (PCD) to Listener (PICC) + * \param[in] FSDI : PCD's Frame Size to be announced on the ATTRIB + * \param[in] PARAM3 : ATTRIB PARAM1 byte (protocol type) + * \param[in] DID : Device ID to be used or RFAL_ISODEP_NO_DID for not use DID + * \param[in] HLInfo : pointer to Higher layer INF (NULL if none) + * \param[in] HLInfoLen : Length HLInfo + * \param[in] fwt : Frame Waiting Time to be used (from SENSB_RES) + * \param[out] attribRes : pointer to place the ATTRIB Response + * \param[out] attribResLen : pointer to place the ATTRIB Response length + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, ATTRIB Response received + ***************************************************************************** + */ +ReturnCode rfalIsoDepATTRIB( uint8_t* nfcid0, uint8_t PARAM1, rfalBitRate DSI, rfalBitRate DRI, rfalIsoDepFSxI FSDI, uint8_t PARAM3, uint8_t DID, uint8_t* HLInfo, uint8_t HLInfoLen, uint32_t fwt, rfalIsoDepAttribRes *attribRes, uint8_t *attribResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Deselects PICC + * + * This function sends a deselect command to PICC and waits for it`s + * responce in a blocking way + * + * \return ERR_NONE : Deselect successfully sent and acknowledged by PICC + * \return ERR_TIMEOUT: No response rcvd from PICC + * + ***************************************************************************** + */ +ReturnCode rfalIsoDepDeselect( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief ISO-DEP Poller Handle NFC-A Activation + * + * This performs a NFC-A Activation into ISO-DEP layer (ISO14443-4) with the given + * parameters. It sends RATS and if the higher bit rates are supported by + * both devices it additionally sends PPS + * Once Activated all details of the device are provided on isoDepDev + * + * \param[in] FSDI : Frame Size Device Integer to be used + * \param[in] DID : Device ID to be used or RFAL_ISODEP_NO_DID for not use DID + * \param[in] maxBR : Max bit rate supported by the Poller + * \param[out] isoDepDev : ISO-DEP information of the activated Listen device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, activation successful + ***************************************************************************** + */ +ReturnCode rfalIsoDepPollAHandleActivation( rfalIsoDepFSxI FSDI, uint8_t DID, rfalBitRate maxBR, rfalIsoDepDevice *isoDepDev, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ISO-DEP Poller Handle NFC-B Activation + * + * This performs a NFC-B Activation into ISO-DEP layer (ISO14443-4) with the given + * parameters. It sends ATTRIB and calculates supported higher bit rates of both + * devices and performs activation. + * Once Activated all details of the device are provided on isoDepDev + * + * \param[in] FSDI : Frame Size Device Integer to be used + * \param[in] DID : Device ID to be used or RFAL_ISODEP_NO_DID for not use DID + * \param[in] maxBR : Max bit rate supported by the Poller + * \param[in] PARAM1 : ATTRIB PARAM1 byte (communication parameters) + * \param[in] nfcbDev : pointer to the NFC-B Device containing the SENSB_RES + * \param[in] HLInfo : pointer to Higher layer INF (NULL if none) + * \param[in] HLInfoLen : Length HLInfo + * \param[out] isoDepDev : ISO-DEP information of the activated Listen device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, activation successful + ***************************************************************************** + */ +ReturnCode rfalIsoDepPollBHandleActivation( rfalIsoDepFSxI FSDI, uint8_t DID, rfalBitRate maxBR, uint8_t PARAM1, rfalNfcbListenDevice *nfcbDev, uint8_t* HLInfo, uint8_t HLInfoLen, rfalIsoDepDevice *isoDepDev, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +#endif /* RFAL_ISODEP_H_ */ + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcDep.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,2488 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: NFCC firmware + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcDep.c + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-DEP protocol + * + * NFC-DEP is also known as NFCIP - Near Field Communication + * Interface and Protocol + * + * This implementation was based on the following specs: + * - NFC Forum Digital 1.1 + * - ECMA 340 3rd Edition 2013 + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include <platform1.h> +#include "rfal_nfcDep.h" +#include "rfal_nfcf.h" +#include "utils.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_NFC_DEP + #error " RFAL: Module configuration missing. Please enable/disable NFC-DEP module by setting: RFAL_FEATURE_NFC_DEP " +#endif + +#if RFAL_FEATURE_NFC_DEP + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +#define NFCIP_LOOP_MAX 0x0005FFFF /*!< Max blocking reRuns */ +#define NFCIP_ATR_RETRY_MAX 2 /*!< Max consecutive retrys of an ATR REQ with transm error*/ + +#define NFCIP_PSLPAY_LEN (2) /*!< PSL Payload length (BRS + FSL) */ +#define NFCIP_PSLREQ_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< PSL REQ length (incl LEN) */ +#define NFCIP_PSLRES_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< PSL RES length (incl LEN) */ + +#define NFCIP_ATRREQ_BUF_LEN (RFAL_NFCDEP_ATRREQ_MAX_LEN + RFAL_NFCDEP_LEN_LEN) /*!< ATR REQ max length (incl LEN) */ +#define NFCIP_ATRRES_BUF_LEN (RFAL_NFCDEP_ATRRES_MAX_LEN + RFAL_NFCDEP_LEN_LEN) /*!< ATR RES max length (incl LEN) */ + +#define NFCIP_RLSREQ_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< RLS REQ length (incl LEN) */ +#define NFCIP_RLSRES_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< RSL RES length (incl LEN) */ +#define NFCIP_RLSRES_MIN (2 + RFAL_NFCDEP_LEN_LEN) /*!< Minimum length for a RLS RES (incl LEN) */ + +#define NFCIP_DSLREQ_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< DSL REQ length (incl LEN) */ +#define NFCIP_DSLRES_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< DSL RES length (incl LEN) */ +#define NFCIP_DSLRES_MIN (2 + RFAL_NFCDEP_LEN_LEN) /*!< Minimum length for a DSL RES (incl LEN) */ + +#define NFCIP_DSLRES_MAX_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< Maximum length for a DSL RES (incl LEN) */ +#define NFCIP_RLSRES_MAX_LEN (3 + RFAL_NFCDEP_LEN_LEN) /*!< Minimum length for a RLS RES (incl LEN) */ +#define NFCIP_TARGET_RES_MAX ( MAX( NFCIP_RLSRES_MAX_LEN, NFCIP_DSLRES_MAX_LEN) ) /*!< Max target control res length */ + + + +#define NFCIP_NO_FWT RFAL_FWT_NONE /*!< No FWT value - Target Mode */ +#define NFCIP_INIT_MIN_RTOX 1 /*!< Minimum RTOX value Digital 1.0 14.8.4.1 */ +#define NFCIP_INIT_MAX_RTOX 59 /*!< Maximum RTOX value Digital 1.0 14.8.4.1 */ + +#define NFCIP_TARG_MIN_RTOX 1 /*!< Minimum target RTOX value Digital 1.0 14.8.4.1 */ +#define NFCIP_TARG_MAX_RTOX 59 /*!< Maximum target RTOX value Digital 1.0 14.8.4.1 */ + +#define NFCIP_TRECOV (1280 / 64) /*!< Digital 1.0 A.10 Trecov */ + +#define NFCIP_TIMEOUT_ADJUSTMENT 8 /*!< Timeout Adjustment to compensate timing from end of Tx to end of frame: (512/64)/fc */ +#define NFCIP_RWT_ACTIVATION (0x40001 + NFCIP_TIMEOUT_ADJUSTMENT) /*!< Digital 1.0 A.10 RWT ACTIVATION 2^24/64[64/fc] + RWT Delta + Adjustment */ + +#define RFAL_NFCDEP_HEADER_PAD (RFAL_NFCDEP_DEPREQ_HEADER_LEN - RFAL_NFCDEP_LEN_MIN) /*!< Difference between expected rcvd header len and max foreseen */ + + +#define NFCIP_MAX_TX_RETRYS 3 /*!< Number of retransmit retyrs */ +#define NFCIP_MAX_TO_RETRYS 3 /*!< Number of retrys for Timeout */ +#define NFCIP_MAX_RTOX_RETRYS 3 /*!< Number of retrys for RTOX */ +#define NFCIP_MAX_NACK_RETRYS 3 /*!< Number of retrys for NACK */ +#define NFCIP_MAX_ATN_RETRYS 3 /*!< Number of retrys for ATN */ + +#define NFCIP_MIN_TXERROR_LEN 4 /*!< Minimum frame length with error to be ignored Digital 1.0 14.12.5.4 */ + +#define NFCIP_REQ 0xD4 /*!<NFCIP REQuest code */ +#define NFCIP_RES 0xD5 /*!<NFCIP RESponce code */ + +#define NFCIP_BS_MASK 0x0F /*!< Bit mask for BS value on a ATR REQ/RES */ +#define NFCIP_BR_MASK NFCIP_BS_MASK /*!< Bit mask for BR value on a ATR REQ/RES */ + +#define NFCIP_PP_GB_MASK 0x02 /*!< Bit mask for GB value in PP byte on a ATR REQ/RES */ +#define NFCIP_PP_NAD_MASK 0x01 /*!< Bit mask for NAD value in PP byte on a ATR REQ/RES */ + +#define NFCIP_PFB_xPDU_MASK 0xE0 /*!< Bit mask for PDU type */ +#define NFCIP_PFB_IPDU 0x00 /*!< Bit mask indicating a Information PDU */ +#define NFCIP_PFB_RPDU 0x40 /*!< Bit mask indicating a Response PDU */ +#define NFCIP_PFB_SPDU 0x80 /*!< Bit mask indicating a Supervisory PDU */ + +#define NFCIP_PFB_MI_BIT 0x10 /*!< Bit mask for the chaining bit (MI) of PFB */ +#define NFCIP_PFB_DID_BIT 0x04 /*!< Bit mask for the DID presence bit of PFB */ +#define NFCIP_PFB_NAD_BIT 0x08 /*!< Bit mask for the NAD presence bit of PFB */ +#define NFCIP_PFB_PNI_MASK 0x03 /*!< Bit mask for the Packet Number Information */ + +#define NFCIP_PFB_Rx_MASK 0x10 /*!< Bit mask for the R-PDU type */ +#define NFCIP_PFB_ACK 0x00 /*!< Bit mask for R-PDU indicating ACK */ +#define NFCIP_PFB_NACK 0x10 /*!< Bit mask for R-PDU indicating NAK */ + +#define NFCIP_PFB_Sx_MASK 0x10 /*!< Bit mask for the R-PDU type */ +#define NFCIP_PFB_ATN 0x00 /*!< Bit mask for R-PDU indicating ACK */ +#define NFCIP_PFB_TO 0x10 /*!< Bit mask for R-PDU indicating NAK */ + +#define NFCIP_PFB_INVALID 0xFF /*!< Invalid PFB value */ + +/* + ****************************************************************************** + * MACROS + ****************************************************************************** + */ + +#define nfcipIsTransmissionError(e) ( (ERR_NO_MASK(e) == ERR_CRC) || (ERR_NO_MASK(e) == ERR_FRAMING) || (ERR_NO_MASK(e) == ERR_PAR) ) /*!< Checks if is a Trasmission error */ + + +#define nfcipConv1FcToMs( v ) (((v * 64) / 13560) + 1) /*!< Converts value v 1fc into milliseconds (fc=13.56) */ + +#define nfcipCmdIsReq( cmd ) ((cmd % 2) == 0) /*!< Checks if the nfcip cmd is a REQ */ + +#define nfcip_PFBhasDID( pfb ) ( (pfb & NFCIP_PFB_DID_BIT) == NFCIP_PFB_DID_BIT) /*!< Checks if pfb is signalling DID */ +#define nfcip_PFBhasNAD( pfb ) ( (pfb & NFCIP_PFB_NAD_BIT) == NFCIP_PFB_NAD_BIT) /*!< Checks if pfb is signalling NAD */ + +#define nfcip_PFBisIPDU( pfb ) ( (pfb & NFCIP_PFB_xPDU_MASK) == NFCIP_PFB_IPDU) /*!< Checks if pfb is a Information PDU */ +#define nfcip_PFBisRPDU( pfb ) ( (pfb & NFCIP_PFB_xPDU_MASK) == NFCIP_PFB_RPDU) /*!< Checks if pfb is Response PDU */ +#define nfcip_PFBisSPDU( pfb ) ( (pfb & NFCIP_PFB_xPDU_MASK) == NFCIP_PFB_SPDU) /*!< Checks if pfb is a Supervisory PDU */ + +#define nfcip_PFBisIMI( pfb ) ( nfcip_PFBisIPDU( pfb ) && (pfb & NFCIP_PFB_MI_BIT) == NFCIP_PFB_MI_BIT) /*!< Checks if pfb is a Information PDU indicating MI chaining */ + +#define nfcip_PFBisRNACK( pfb ) ( nfcip_PFBisRPDU( pfb ) && ((pfb & NFCIP_PFB_Rx_MASK) == NFCIP_PFB_NACK)) /*!< Checks if pfb is a R-PDU indicating NACK */ +#define nfcip_PFBisRACK( pfb ) ( nfcip_PFBisRPDU( pfb ) && ((pfb & NFCIP_PFB_Rx_MASK) == NFCIP_PFB_ACK )) /*!< Checks if pfb is a R-PDU indicating ACK */ + +#define nfcip_PFBisSATN( pfb ) ( nfcip_PFBisSPDU( pfb ) && ((pfb & NFCIP_PFB_Sx_MASK) == NFCIP_PFB_ATN)) /*!< Checks if pfb is a R-PDU indicating ATN */ +#define nfcip_PFBisSTO( pfb ) ( nfcip_PFBisSPDU( pfb ) && ((pfb & NFCIP_PFB_Sx_MASK) == NFCIP_PFB_TO) ) /*!< Checks if pfb is a R-PDU indicating TO */ + + +#define nfcip_PFBIPDU( pni ) ( (uint8_t)( 0x00 | NFCIP_PFB_IPDU | (pni & NFCIP_PFB_PNI_MASK) ))/*!< Returns a PFB I-PDU with the given packet number (pni) */ +#define nfcip_PFBIPDU_MI( pni ) ( (uint8_t)(isoDep_PCBIBlock(pni) | NFCIP_PFB_MI_BIT)) /*!< Returns a PFB I-PDU with the given packet number (pni) indicating chaing */ + +#define nfcip_PFBRPDU( pni ) ( (uint8_t)( 0x00 | NFCIP_PFB_RPDU | (pni & NFCIP_PFB_PNI_MASK) ))/*!< Returns a PFB R-PDU with the given packet number (pni) */ +#define nfcip_PFBRPDU_NACK( pni ) ( (uint8_t)(nfcip_PFBRPDU(pni) | NFCIP_PFB_NACK)) /*!< Returns a PFB R-PDU with the given packet number (pni) indicating NACK */ +#define nfcip_PFBRPDU_ACK( pni ) ( (uint8_t)(nfcip_PFBRPDU(pni) | NFCIP_PFB_ACK)) /*!< Returns a PFB R-PDU with the given packet number (pni) indicating ACK */ + +#define nfcip_PFBSPDU() ( (uint8_t)( 0x00 | NFCIP_PFB_SPDU )) /*!< Returns a PFB S-PDU */ +#define nfcip_PFBSPDU_ATN() ( (uint8_t)(nfcip_PFBSPDU() | NFCIP_PFB_ATN)) /*!< Returns a PFB S-PDU indicating ATN */ +#define nfcip_PFBSPDU_TO() ( (uint8_t)(nfcip_PFBSPDU() | NFCIP_PFB_TO)) /*!< Returns a PFB S-PDU indicating TO */ + + +#define nfcip_PNIInc( pni ) ( (uint8_t) ((pni+1) & NFCIP_PFB_PNI_MASK) ) /*!< Returns a incremented PNI from the given (pni) */ +#define nfcip_PNIDec( pni ) ( (uint8_t) ((pni-1) & NFCIP_PFB_PNI_MASK) ) /*!< Returns a decremented PNI from the given (pni) */ + +#define nfcip_PBF_PNI( pfb ) ( (uint8_t) (pfb & NFCIP_PFB_PNI_MASK )) /*!< Returns the Packet Number Information (pni) */ + +#define nfcip_PPwGB( lr ) ( rfalNfcDepLR2PP( lr ) | NFCIP_PP_GB_MASK) /*!< Returns a PP byte containing the given PP value indicating GB */ + +#define nfcip_DIDMax( did ) ( MIN( (did), RFAL_NFCDEP_DID_MAX) ) /*!< Ensures that the given did has proper value Digital 14.6.2.3 DID [0 14] */ +#define nfcip_RTOXTargMax( wt ) ( MIN( (RFAL_NFCDEP_RWT_TRG_MAX / rfalNfcDepWT2RWT(wt)), NFCIP_TARG_MAX_RTOX) )/*!< Calculates the Maximum RTOX value for the given wt as a Target */ + +#define nfcipIsInitiator( st ) ( ((st) >= NFCIP_ST_INIT_IDLE) && ((st) <= NFCIP_ST_INIT_RLS) )/*!< Checks if module is set as Initiator */ +#define nfcipIsTarget( st ) (!nfcipIsInitiator(st)) /*!< Checks if module is set as Target */ + +#define nfcipIsBRAllowed( br, mBR ) (((1<<(br)) & mBR) != 0) /*!< Checks bit rate is allowed by given mask */ + +#define nfcipIsEmptyDEPEnabled( op ) (!nfcipIsEmptyDEPDisabled(op)) /*!< Checks if empty payload is allowed by operation config NCI 1.0 Table 81 */ +#define nfcipIsEmptyDEPDisabled( op ) ((op & RFAL_NFCDEP_OPER_EMPTY_DEP_DIS) != 0) /*!< Checks if empty payload is not allowed by operation config NCI 1.0 Table 81 */ + +#define nfcipIsRTOXReqEnabled( op ) (!nfcipIsRTOXReqDisabled(op)) /*!< Checks if send a RTOX_REQ is allowed by operation config NCI 1.0 Table 81 */ +#define nfcipIsRTOXReqDisabled( op ) ((op & RFAL_NFCDEP_OPER_RTOX_REQ_DIS) != 0) /*!< Checks if send a RTOX_REQ is not allowed by operation config NCI 1.0 Table 81 */ + + +/*! Checks if isDeactivating callback is set and calls it, otherwise returns false */ +#define nfcipIsDeactivationPending() ( (gNfcip.isDeactivating == NULL) ? false : gNfcip.isDeactivating() ) + + +#define nfcipRTOXAdjust( v ) (v - (v>>3)) /*!< Adjust RTOX timer value to a percentage of the total, current 88% */ + +/*******************************************************************************/ + +/* timerPollTimeoutValue is necessary after timerCalculateTimeout so that system will wake up upon timer timeout. */ +#define nfcipTimerStart( timer, time_ms ) timer = platformTimerCreate(time_ms) /*!< Configures and starts the RTOX timer */ +#define nfcipTimerisExpired( timer ) platformTimerIsExpired( timer ) /*!< Checks RTOX timer has expired */ + +#define nfcipLogE(...) /*!< Macro for the error log method */ +#define nfcipLogW(...) /*!< Macro for the warning log method */ +#define nfcipLogI(...) /*!< Macro for the info log method */ +#define nfcipLogD(...) /*!< Macro for the debug log method */ + + +/*! Digital 1.1 - 16.12.5.2 The Target SHALL NOT attempt any error recovery and remains in Rx mode upon Transmission or a Protocol Error */ +#define nfcDepReEnableRx( rxB, rxBL, rxL ) rfalTransceiveBlockingTx( NULL, 0, rxB, rxBL, rxL, ( RFAL_TXRX_FLAGS_DEFAULT | RFAL_TXRX_FLAGS_NFCIP1_ON ), RFAL_FWT_NONE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) + + +uint8_t txBuf[RFAL_NFCDEP_ATRREQ_MAX_LEN]; +uint8_t rxBuf[NFCIP_ATRRES_BUF_LEN]; + +uint8_t txBufPSL[NFCIP_PSLREQ_LEN]; +uint8_t pslBufPSL[NFCIP_PSLPAY_LEN]; +uint8_t rxBufPSL[NFCIP_PSLRES_LEN]; + +uint8_t txBufDSL[ RFAL_NFCDEP_HEADER_PAD + NFCIP_DSLREQ_LEN]; +uint8_t rxBufDSL[NFCIP_DSLRES_LEN]; + +uint8_t txBufRLS[RFAL_NFCDEP_HEADER_PAD + NFCIP_RLSREQ_LEN]; +uint8_t rxBufRLS[NFCIP_RLSRES_LEN]; + +/* + ****************************************************************************** + * LOCAL DATA TYPES + ****************************************************************************** + */ + +/*! Struct that holds all DEP parameters/configs for the following communications */ +typedef struct{ + uint8_t did; /*!< Device ID (DID) to be used */ + + uint8_t* txBuf; /*!< Pointer to the Tx buffer to be sent */ + uint16_t txBufLen; /*!< Length of the data in the txBuf */ + uint8_t txBufPaylPos; /*!< Position inside txBuf where data starts */ + uint8_t txChaining; /*!< Flag indicating chaining on transmission */ + + uint8_t* rxBuf; /*!< Pointer to the Rx buffer for incoming data */ + uint16_t rxBufLen; /*!< Length of the data in the rxBuf */ + uint8_t rxBufPaylPos; /*!< Position inside rxBuf where data is to be placed*/ + + uint32_t fwt; /*!< Frame Waiting Time (FWT) to be used */ + uint32_t dFwt; /*!< Delta Frame Waiting Time (dFWT) to be used */ + uint16_t fsc; /*!< Frame Size (FSC) to be used */ + +} rfalNfcDepDEPParams; + +/*! NFCIP module states */ +typedef enum NfcipState +{ + NFCIP_ST_IDLE, + NFCIP_ST_INIT_IDLE, + NFCIP_ST_INIT_ATR, + NFCIP_ST_INIT_PSL, + NFCIP_ST_INIT_DEP_IDLE, + NFCIP_ST_INIT_DEP_TX, + NFCIP_ST_INIT_DEP_RX, + NFCIP_ST_INIT_DEP_ATN, + NFCIP_ST_INIT_DSL, + NFCIP_ST_INIT_RLS, + + NFCIP_ST_TARG_WAIT_ATR, + NFCIP_ST_TARG_WAIT_ACTV, + NFCIP_ST_TARG_DEP_IDLE, + NFCIP_ST_TARG_DEP_RX, + NFCIP_ST_TARG_DEP_RTOX, + NFCIP_ST_TARG_DEP_TX, + NFCIP_ST_TARG_DEP_SLEEP +} rfalNfcDepState; + +/*! NFCIP commands (Request, Response) */ +typedef enum{ + NFCIP_CMD_ATR_REQ = 0x00, + NFCIP_CMD_ATR_RES = 0x01, + NFCIP_CMD_WUP_REQ = 0x02, + NFCIP_CMD_WUP_RES = 0x03, + NFCIP_CMD_PSL_REQ = 0x04, + NFCIP_CMD_PSL_RES = 0x05, + NFCIP_CMD_DEP_REQ = 0x06, + NFCIP_CMD_DEP_RES = 0x07, + NFCIP_CMD_DSL_REQ = 0x08, + NFCIP_CMD_DSL_RES = 0x09, + NFCIP_CMD_RLS_REQ = 0x0A, + NFCIP_CMD_RLS_RES = 0x0B +} rfalNfcDepCmd; + + +/*! Struct that holds all NFCIP data */ +typedef struct{ + rfalNfcDepConfigs cfg; /*!< Holds the current configuration to be used */ + + rfalNfcDepState state; /*!< Current state of the NFCIP module */ + uint8_t pni; /*!< Packet Number Information (PNI) counter */ + + uint8_t lastCmd; /*!< Last command sent */ + uint8_t lastPFB; /*!< Last PFB sent */ + uint8_t lastPFBnATN; /*!< Last PFB sent (excluding ATN) */ + uint8_t lastRTOX; /*!< Last RTOX value sent */ + + uint8_t cntTxRetrys; /*!< Retransmissions counter */ + uint8_t cntTORetrys; /*!< Timeouts counter */ + uint8_t cntRTOXRetrys; /*!< RTOX counter */ + uint8_t cntNACKRetrys; /*!< NACK counter */ + uint8_t cntATNRetrys; /*!< Attention (ATN) counter */ + + uint16_t fsc; /*!< Current Frame Size (FSC) to be used */ + bool isTxChaining; /*!< Flag for chaining on Transmission */ + bool isRxChaining; /*!< Flag for chaining on Reception */ + uint8_t* txBuf; /*!< Pointer to the Tx buffer to be sent */ + uint8_t* rxBuf; /*!< Pointer to the Rx buffer for incoming data */ + uint16_t txBufLen; /*!< Length of the data in the txBuf */ + uint16_t rxBufLen; /*!< Length of rxBuf buffer */ + uint16_t* rxRcvdLen; /*!< Length of the data in the rxBuf */ + uint8_t txBufPaylPos; /*!< Position in txBuf where data starts */ + uint8_t rxBufPaylPos; /*!< Position in rxBuf where data is to be placed */ + bool *isChaining; /*!< Flag for chaining on Reception */ + + rfalNfcDepDevice *nfcDepDev; /*!< Pointer to NFC-DEP device info */ + + uint32_t RTOXTimer; /*!< Timer used for RTOX */ + rfalNfcDepDeactCallback isDeactivating; /*!< Deactivating flag check callback */ + + bool isReqPending; /*!< Flag pending REQ from Target activation */ + bool isTxPending; /*!< Flag pending DEP Block while waiting RTOX Ack */ + bool isWait4RTOX; /*!< Flag for waiting RTOX Ack */ +}rfalNfcDep; + + +/* + ****************************************************************************** + * LOCAL VARIABLES + ****************************************************************************** + */ + +static rfalNfcDep gNfcip; /*!< NFCIP module instance */ + + +/* + ****************************************************************************** + * LOCAL FUNCTION PROTOTYPES + ****************************************************************************** + */ + +static ReturnCode nfcipTxRx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint32_t fwt, uint8_t* paylBuf, uint8_t paylBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rxActLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode nfcipTx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint8_t *paylBuf, uint16_t paylLen, uint8_t pfb, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode nfcipDEPControlMsg( uint8_t pfb, uint8_t RTOX, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode nfcipInitiatorHandleDEP( ReturnCode rxRes, uint16_t rxLen, uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode nfcipTargetHandleRX( ReturnCode rxRes, uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode nfcipTargetHandleActivation( rfalNfcDepDevice *nfcDepDev, uint8_t *outBRS, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief NFCIP Congigure + * + * Configures the nfcip layer with the given configurations + * + * \param[in] cfg : nfcip configuration for following communication + ****************************************************************************** + */ +static void nfcipConfig( rfalNfcDepConfigs cfg ); + + +/*! + ****************************************************************************** + * \brief Set DEP parameters + * + * This method sets the parameters/configs for following Data Exchange + * Sets the nfcip module state according to the role it is configured + * + * + * \warning To be used only after proper Initiator/Target activation: + * nfcipTargetHandleActivation() or nfcipInitiatorActivate() has + * returned success + * + * This must be called before nfcipRun() in case of Target to pass + * rxBuffer + * + * Everytime some data needs to be transmitted call this to set it and + * call nfcipRun() until done or error + * + * \param[in] DEPParams : the parameters to be used during Data Exchange + ****************************************************************************** + */ +static void nfcipSetDEPParams( rfalNfcDepDEPParams *DEPParams ); + + +/*! + ****************************************************************************** + * \brief NFCIP run protocol + * + * This method handles all the nfcip protocol during Data Exchange (DEP + * requests and responses). + * + * A data exchange cycle is considered a DEP REQ and a DEP RES. + * + * In case of Tx chaining(MI) must signal it with nfcipSetDEPParams() + * In case of Rx chaining(MI) outIsChaining will be set to true and the + * current data returned + * + * \param[out] outActRxLen : data received length + * \param[out] outIsChaining : true if other peer is performing chaining(MI) + * + * \return ERR_NONE : Data exchange cycle completed successfully + * \return ERR_TIMEOUT : Timeout occurred + * \return ERR_PROTO : Protocol error occurred + * \return ERR_AGAIN : Other peer is doing chaining(MI), current block + * was received successfully call again until complete + * + ****************************************************************************** + */ +static ReturnCode nfcipRun( uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief Transmission method + * + * This method checks if the current communication is Active or Passive + * and performs the necessary procedures for each communication type + * + * Transmits the data hold in txBuf + * + * \param[in] txBuf : buffer to transmit + * \param[in] txBufLen : txBuffer capacity + * \param[in] fwt : fwt for current Tx + * + * \return ERR_NONE : No error + ****************************************************************************** + */ +static ReturnCode nfcipDataTx( uint8_t* txBuf, uint16_t txBufLen, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief Reception method + * + * This method checks if the current communication is Active or Passive + * and calls the appropriate reception method + * + * Copies incoming data to rxBuf + * + * \param[out] rxBuf : buffer to hold incomming data + * \param[in] rxBufLen : rxBuf capacity + * \param[out] actualRxLen : length of the data received + * + * \return ERR_NONE : No error + ****************************************************************************** + */ +static ReturnCode nfcipDataRx( void ); + + +/* + ****************************************************************************** + * LOCAL FUNCTIONS + ****************************************************************************** + */ + +/*******************************************************************************/ + + +/*******************************************************************************/ +static bool nfcipDxIsSupported( uint8_t Dx, uint8_t BRx, uint8_t BSx ) +{ + uint8_t Bx; + + /* Take the min of the possible bit rates, we'll use one for both directions */ + Bx = MIN(BRx, BSx); + + /* Lower bit rates must be supported for P2P */ + if( (Dx <= RFAL_NFCDEP_Dx_04_424) ) + { + return true; + } + + if( (Dx == RFAL_NFCDEP_Dx_08_848) && (Bx >= RFAL_NFCDEP_Bx_08_848) ) + { + return true; + } + + return false; +} + + +/*******************************************************************************/ +static ReturnCode nfcipTxRx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint32_t fwt, uint8_t* paylBuf, + uint8_t paylBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rxActLen, + SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, + DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, + DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint32_t reRun; + + reRun = NFCIP_LOOP_MAX; /* set maximum loop reRuns */ + + if( (cmd == NFCIP_CMD_DEP_REQ) || (cmd == NFCIP_CMD_DEP_RES) ) /* this method cannot be used for DEPs */ + { + return ERR_PARAM; + } + + /* Assign the global params for this TxRx */ + gNfcip.rxBuf = rxBuf; + gNfcip.rxBufLen = rxBufLen; + gNfcip.rxRcvdLen = rxActLen; + + + /*******************************************************************************/ + /* Transmission */ + /*******************************************************************************/ + if(txBuf != NULL) /* if nothing to Tx, just do Rx */ + { + EXIT_ON_ERR( ret, nfcipTx( cmd, txBuf, paylBuf, paylBufLen, 0, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + + /*******************************************************************************/ + /* Reception */ + /*******************************************************************************/ + do /* call Rx() until done or max reRuns reached */ + { + ret = nfcipDataRx(); + + + rfalWorker( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( !reRun-- ) /* if max reRuns reached return error */ + { + return ERR_MAX_RERUNS; + } + } + while( ret == ERR_NO_MASK(ERR_BUSY) ); + + if( ret != ERR_NONE ) + { + return ret; + } + + /*******************************************************************************/ + *rxActLen = *rxBuf; /* Use LEN byte instead due to with/without CRC modes */ + return ERR_NONE; /* Tx and Rx completed successfully */ +} + + +/*******************************************************************************/ +static ReturnCode nfcipDEPControlMsg( uint8_t pfb, uint8_t RTOX, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t ctrlMsg[20]; + rfalNfcDepCmd depCmd; + uint32_t fwt; + + /*******************************************************************************/ + /* Calculate Cmd and fwt to be used */ + /*******************************************************************************/ + depCmd = ((gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) ? NFCIP_CMD_DEP_RES : NFCIP_CMD_DEP_REQ); + fwt = ((gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) ? NFCIP_NO_FWT : (nfcip_PFBisSTO( pfb ) ? ( (RTOX*gNfcip.cfg.fwt) + gNfcip.cfg.dFwt) : (gNfcip.cfg.fwt + gNfcip.cfg.dFwt) ) ); + + if( nfcip_PFBisSTO( pfb ) ) + { + return nfcipTx( depCmd, ctrlMsg, &RTOX, sizeof(RTOX), pfb, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + return nfcipTx( depCmd, ctrlMsg, 0, 0, pfb, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } +} + +/*******************************************************************************/ +static void nfcipClearCounters( void ) +{ + gNfcip.cntATNRetrys = 0; + gNfcip.cntNACKRetrys = 0; + gNfcip.cntTORetrys = 0; + gNfcip.cntTxRetrys = 0; + gNfcip.cntRTOXRetrys = 0; +} + +/*******************************************************************************/ +static ReturnCode nfcipInitiatorHandleDEP( ReturnCode rxRes, uint16_t rxLen, uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t nfcDepLen; + uint8_t rxMsgIt; + uint8_t rxPFB; + uint8_t rxRTOX; + uint8_t optHdrLen; + + ret = ERR_INTERNAL; + rxMsgIt = 0; + optHdrLen = 0; + + *outActRxLen = 0; + *outIsChaining = false; + + + /*******************************************************************************/ + /* Handle reception errors */ + /*******************************************************************************/ + switch( rxRes ) + { + /*******************************************************************************/ + /* Timeout -> Digital 1.0 14.15.5.6 */ + case ERR_TIMEOUT: + + nfcipLogI( " NFCIP(I) TIMEOUT TORetrys:%d \r\n", gNfcip.cntTORetrys ); + + /* Digital 1.0 14.15.5.6 - If nTO >= Max raise protocol error */ + if( gNfcip.cntTORetrys++ >= NFCIP_MAX_TO_RETRYS ) + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Upon Timeout error, if Deactivation is pending, no more error recovery + * will be done #54. + * This is used to address the issue some devices that havea big TO. + * Normally LLCP layer has timeout already, and NFCIP layer is still + * running error handling, retrying ATN/NACKs */ + /*******************************************************************************/ + if( nfcipIsDeactivationPending() ) + { + nfcipLogI( " skipping error recovery due deactivation pending \r\n"); + return ERR_TIMEOUT; + } + + /* Digital 1.0 14.15.5.6 1) If last PDU was NACK */ + if( nfcip_PFBisRNACK(gNfcip.lastPFB) ) + { + /* Digital 1.0 14.15.5.6 2) if NACKs failed raise protocol error */ + if( gNfcip.cntNACKRetrys++ >= NFCIP_MAX_NACK_RETRYS ) + { + return ERR_PROTO; + } + + /* Send NACK */ + nfcipLogI( " NFCIP(I) Sending NACK retry: %d \r\n", gNfcip.cntNACKRetrys ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_NACK(gNfcip.pni), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + return ERR_BUSY; + } + + nfcipLogI( " NFCIP(I) Checking if to send ATN ATNRetrys: %d \r\n", gNfcip.cntATNRetrys ); + + /* Digital 1.0 14.15.5.6 3) Otherwise send ATN */ + if( gNfcip.cntATNRetrys++ >= NFCIP_MAX_NACK_RETRYS ) + { + return ERR_PROTO; + } + + /* Send ATN */ + nfcipLogI( " NFCIP(I) Sending ATN \r\n" ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_ATN(), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + return ERR_BUSY; + + /*******************************************************************************/ + /* Data rcvd with error -> Digital 1.0 14.12.5.4 */ + case ERR_CRC: + case ERR_PAR: + case ERR_FRAMING: + case ERR_RF_COLLISION: + + nfcipLogI( " NFCIP(I) rx Error: %d \r\n", rxRes ); + + /* Digital 1.0 14.12.5.4 Tx Error with data, ignore */ + if( rxLen < NFCIP_MIN_TXERROR_LEN ) + { + nfcipLogI( " NFCIP(I) Transmission error w data \r\n" ); +#if 0 + if(gNfcip.cfg.commMode == RFAL_NFCDEP_COMM_PASSIVE) + { + nfcipLogI( " NFCIP(I) Transmission error w data -> reEnabling Rx \r\n" ); + nfcipReEnableRxTout( NFCIP_TRECOV ); + return ERR_BUSY; + } +#endif /* 0 */ + } + + /* Digital 1.1 16.12.5.4 if NACKs failed raise Transmission error */ + if( gNfcip.cntNACKRetrys++ >= NFCIP_MAX_NACK_RETRYS ) + { + return ERR_FRAMING; + } + + /* Send NACK */ + nfcipLogI( " NFCIP(I) Sending NACK \r\n" ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_NACK(gNfcip.pni), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + return ERR_BUSY; + + case ERR_NONE: + break; + + case ERR_BUSY: + return ERR_BUSY; /* Debug purposes */ + + default: + nfcipLogW( " NFCIP(I) Error: %d \r\n", rxRes ); + return rxRes; + } + + /*******************************************************************************/ + /* Rx OK check if valid DEP PDU */ + /*******************************************************************************/ + + /* Due to different modes on ST25R391x (with/without CRC) use NFC-DEP LEN instead of bytes retrieved */ + nfcDepLen = gNfcip.rxBuf[rxMsgIt++]; + + nfcipLogD( " NFCIP(I) rx OK: %d bytes \r\n", nfcDepLen ); + + /* Digital 1.0 14.15.5.5 Protocol Error */ + if( gNfcip.rxBuf[rxMsgIt++] != NFCIP_RES ) + { + nfcipLogW( " NFCIP(I) error %02X instead of %02X \r\n", gNfcip.rxBuf[--rxMsgIt], NFCIP_RES ); + return ERR_PROTO; + } + + /* Digital 1.0 14.15.5.5 Protocol Error */ + if( gNfcip.rxBuf[rxMsgIt++] != NFCIP_CMD_DEP_RES ) + { + nfcipLogW( " NFCIP(I) error %02X instead of %02X \r\n", gNfcip.rxBuf[--rxMsgIt], NFCIP_CMD_DEP_RES ); + return ERR_PROTO; + } + + rxPFB = gNfcip.rxBuf[rxMsgIt++]; + + /*******************************************************************************/ + /* Check for valid PFB type */ + if( !(nfcip_PFBisSPDU( rxPFB ) || nfcip_PFBisRPDU( rxPFB ) || nfcip_PFBisIPDU( rxPFB )) ) + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Digital 1.0 14.8.2.1 check if DID is expected and match -> Protocol Error */ + if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO ) + { + if( !nfcip_PFBhasDID( rxPFB ) || gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did ) + { + return ERR_PROTO; + } + optHdrLen++; /* Inc header optional field cnt*/ + } + else if( nfcip_PFBhasDID( rxPFB ) ) /* DID not expected but rcv */ + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Digital 1.0 14.6.2.8 & 14.6.3.11 NAD must not be used */ + if( gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO ) + { + if( !nfcip_PFBhasNAD( rxPFB ) || gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.nad ) + { + return ERR_PROTO; + } + optHdrLen++; /* Inc header optional field cnt*/ + } + else if( nfcip_PFBhasNAD( rxPFB ) ) /* NAD not expected but rcv */ + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Process R-PDU */ + /*******************************************************************************/ + if( nfcip_PFBisRPDU( rxPFB ) ) + { + /*******************************************************************************/ + /* R ACK */ + /*******************************************************************************/ + if( nfcip_PFBisRACK( rxPFB ) ) + { + nfcipLogI( " NFCIP(I) Rcvd ACK \r\n" ); + if( gNfcip.pni == nfcip_PBF_PNI( rxPFB ) ) + { + /* 14.12.3.3 R-ACK with correct PNI -> Increment */ + gNfcip.pni = nfcip_PNIInc( gNfcip.pni ); + + /* R-ACK while not performing chaining -> Protocol error*/ + if( !gNfcip.isTxChaining ) + { + return ERR_PROTO; + } + + nfcipClearCounters(); + gNfcip.state = NFCIP_ST_INIT_DEP_IDLE; + return ERR_NONE; /* This block has been transmitted */ + } + else /* Digital 1.0 14.12.4.5 ACK with wrong PNI Initiator may retransmit */ + { + if( gNfcip.cntTxRetrys++ >= NFCIP_MAX_TX_RETRYS ) + { + return ERR_PROTO; + } + + /* Extended the MAY in Digital 1.0 14.12.4.5 to only reTransmit if the ACK + * is for the previous DEP, otherwise raise Protocol immediately + * If the PNI difference is more than 1 it`s worthless to reTransmit 3x + * and after raise the error */ + + if( nfcip_PNIDec( gNfcip.pni ) == nfcip_PBF_PNI( rxPFB ) ) + { + /* ReTransmit */ + nfcipLogI( " NFCIP(I) Rcvd ACK prev PNI -> reTx \r\n" ); + gNfcip.state = NFCIP_ST_INIT_DEP_TX; + return ERR_BUSY; + } + + nfcipLogI( " NFCIP(I) Rcvd ACK unexpected far PNI -> Error \r\n" ); + return ERR_PROTO; + } + } + else /* Digital 1.0 - 14.12.5.2 Target must never send NACK */ + { + return ERR_PROTO; + } + } + + /*******************************************************************************/ + /* Process S-PDU */ + /*******************************************************************************/ + if( nfcip_PFBisSPDU( rxPFB ) ) + { + nfcipLogI( " NFCIP(I) Rcvd S-PDU \r\n" ); + /*******************************************************************************/ + /* S ATN */ + /*******************************************************************************/ + if( nfcip_PFBisSATN( rxPFB ) ) /* If is a S-ATN */ + { + nfcipLogI( " NFCIP(I) Rcvd ATN \r\n" ); + if( nfcip_PFBisSATN( gNfcip.lastPFB ) ) /* Check if is expected */ + { + gNfcip.cntATNRetrys = 0; /* Clear ATN counter */ + + /* Although spec is not clear NFC Forum Digital test is expecting to + * retransmit upon receiving ATN_RES */ + if( nfcip_PFBisSTO( gNfcip.lastPFBnATN ) ) + { + nfcipLogI( " NFCIP(I) Rcvd ATN -> reTx RTOX_RES \r\n" ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_TO(), gNfcip.lastRTOX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + else + { + /* ReTransmit ? */ + if( gNfcip.cntTxRetrys++ >= NFCIP_MAX_TX_RETRYS ) + { + return ERR_PROTO; + } + + nfcipLogI( " NFCIP(I) Rcvd ATN -> reTx PNI: %d \r\n", gNfcip.pni ); + gNfcip.state = NFCIP_ST_INIT_DEP_TX; + } + + return ERR_BUSY; + } + else /* Digital 1.0 14.12.4.4 & 14.12.4.8 */ + { + return ERR_PROTO; + } + } + /*******************************************************************************/ + /* S TO */ + /*******************************************************************************/ + else if( nfcip_PFBisSTO( rxPFB ) ) /* If is a S-TO (RTOX) */ + { + nfcipLogI( " NFCIP(I) Rcvd TO \r\n" ); + + rxRTOX = gNfcip.rxBuf[rxMsgIt++]; + + /* Digital 1.1 16.12.4.3 - Initiator MAY stop accepting subsequent RTOX Req * + * - RTOX request to an ATN -> Protocol error */ + if( (gNfcip.cntRTOXRetrys++ > NFCIP_MAX_RTOX_RETRYS) || nfcip_PFBisSATN( gNfcip.lastPFB ) ) + { + return ERR_PROTO; + } + + /* Digital 1.1 16.8.4.1 RTOX must be between [1,59] */ + if( (rxRTOX < NFCIP_INIT_MIN_RTOX) || (rxRTOX > NFCIP_INIT_MAX_RTOX) ) + { + return ERR_PROTO; + } + + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_TO(), rxRTOX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + gNfcip.lastRTOX = rxRTOX; + + return ERR_BUSY; + } + + /* Unexpected S-PDU */ + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Process I-PDU */ + /*******************************************************************************/ + if( nfcip_PFBisIPDU( rxPFB ) ) + { + if( gNfcip.pni != nfcip_PBF_PNI( rxPFB ) ) + { + nfcipLogI( " NFCIP(I) Rcvd IPDU wrong PNI curPNI: %d rxPNI: %d \r\n", gNfcip.pni , nfcip_PBF_PNI( rxPFB ) ); + return ERR_PROTO; + } + + nfcipLogD( " NFCIP(I) Rcvd IPDU OK PNI: %d \r\n", gNfcip.pni ); + + /* 14.12.3.3 I-PDU with correct PNI -> Increment */ + gNfcip.pni = nfcip_PNIInc( gNfcip.pni ); + + + /* Successful data Exchange */ + nfcipClearCounters(); + *outActRxLen = (nfcDepLen - RFAL_NFCDEP_DEP_HEADER - optHdrLen); + + if( (gNfcip.rxBuf + gNfcip.rxBufPaylPos) != (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen) ) + { + ST_MEMMOVE( (gNfcip.rxBuf + gNfcip.rxBufPaylPos), (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen), *outActRxLen ); + } + + /*******************************************************************************/ + /* Check if target is indicating chaining MI */ + /*******************************************************************************/ + if( nfcip_PFBisIMI( rxPFB ) ) + { + gNfcip.isRxChaining = true; + *outIsChaining = true; + + nfcipLogD( " NFCIP(I) Rcvd IPDU OK w MI -> ACK \r\n" ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_ACK( gNfcip.pni ), gNfcip.rxBuf[rxMsgIt++], mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + return ERR_AGAIN; /* Send Again signalling to run again, but some chaining data has arrived*/ + } + else + { + gNfcip.isRxChaining = false; + gNfcip.state = NFCIP_ST_INIT_DEP_IDLE; + + return ERR_NONE; /* Data exchange done */ + } + } + return ret; +} + + +/*******************************************************************************/ +static ReturnCode nfcipTargetHandleRX( ReturnCode rxRes, uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t nfcDepLen; + uint8_t rxMsgIt; + uint8_t rxPFB; + uint8_t optHdrLen; + uint8_t resBuf[NFCIP_TARGET_RES_MAX]; + + + ret = ERR_INTERNAL; + rxMsgIt = 0; + optHdrLen = 0; + + *outActRxLen = 0; + *outIsChaining = false; + + + /*******************************************************************************/ + /* Handle reception errors */ + /*******************************************************************************/ + switch( rxRes ) + { + /*******************************************************************************/ + case ERR_NONE: + break; + + case ERR_TIMEOUT: + case ERR_CRC: + case ERR_PAR: + case ERR_FRAMING: + case ERR_PROTO: + default: + /* Digital 1.1 16.12.5.2 The Target MUST NOT attempt any error recovery. * + * The Target MUST always stay in receive mode when a * + * Transmission Error or a Protocol Error occurs. * + * * + * Do not push Transmission/Protocol Errors to upper layer in Listen Mode #766 */ + + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; + + case ERR_LINK_LOSS: + nfcipLogW( " NFCIP(T) Error: %d \r\n", rxRes ); + return rxRes; + + case ERR_BUSY: + return ERR_BUSY; /* Debug purposes */ + + } + + /*******************************************************************************/ + /* Rx OK check if valid DEP PDU */ + /*******************************************************************************/ + + /* Due to different modes on ST25R391x (with/without CRC) use NFC-DEP LEN instead of bytes retrieved */ + nfcDepLen = gNfcip.rxBuf[rxMsgIt++]; + + nfcipLogD( " NFCIP(T) rx OK: %d bytes \r\n", nfcDepLen ); + + if( gNfcip.rxBuf[rxMsgIt++] != NFCIP_REQ ) + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore bad request */ + } + + + /*******************************************************************************/ + /* Check whether target rcvd a normal DEP or deactivation request */ + /*******************************************************************************/ + switch( gNfcip.rxBuf[rxMsgIt++] ) + { + /*******************************************************************************/ + case NFCIP_CMD_DEP_REQ: + break; /* Continue to normal DEP processing */ + + /*******************************************************************************/ + case NFCIP_CMD_DSL_REQ: + + nfcipLogI( " NFCIP(T) rx DSL \r\n" ); + + /* Digital 1.0 14.9.1.2 If DID is used and incorrect ignore it */ + /* [Digital 1.0, 16.9.1.2]: If DID == 0, Target SHALL ignore DSL_REQ with DID */ + if ( ((gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && ((nfcDepLen != RFAL_NFCDEP_DSL_RLS_LEN_DID) || (gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did)) ) + ||((gNfcip.cfg.did == RFAL_NFCDEP_DID_NO) && (nfcDepLen != RFAL_NFCDEP_DSL_RLS_LEN_NO_DID)) + ) + { + nfcipLogI( " NFCIP(T) DSL wrong DID, ignoring \r\n" ); + return ERR_BUSY; + } + + nfcipTx( NFCIP_CMD_DSL_RES, resBuf, 0, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gNfcip.state = NFCIP_ST_TARG_DEP_SLEEP; + return ERR_SLEEP_REQ; + + /*******************************************************************************/ + case NFCIP_CMD_RLS_REQ: + + nfcipLogI( " NFCIP(T) rx RLS \r\n" ); + + /* Digital 1.0 14.10.1.2 If DID is used and incorrect ignore it */ + /* [Digital 1.0, 16.10.2.2]: If DID == 0, Target SHALL ignore DSL_REQ with DID */ + if ( ( (gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && ((nfcDepLen != RFAL_NFCDEP_DSL_RLS_LEN_DID) || (gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did)) ) + ||( (gNfcip.cfg.did == RFAL_NFCDEP_DID_NO) && (nfcDepLen > RFAL_NFCDEP_DSL_RLS_LEN_NO_DID)) + ) + { + nfcipLogI( " NFCIP(T) RLS wrong DID, ignoring \r\n" ); + return ERR_BUSY; + } + + nfcipTx( NFCIP_CMD_RLS_RES, resBuf, 0, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gNfcip.state = NFCIP_ST_TARG_DEP_IDLE; + return ERR_RELEASE_REQ; + + /*******************************************************************************/ + /*case NFCIP_CMD_PSL_REQ: PSL must be handled in Activation only */ + /*case NFCIP_CMD_WUP_REQ: WUP not in NFC Forum Digital 1.0 */ + default: + + /* Don't go to NFCIP_ST_TARG_DEP_IDLE state as it needs to ignore this * + * invalid frame, and keep waiting for more frames */ + + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore bad frame */ + } + + /*******************************************************************************/ + + rxPFB = gNfcip.rxBuf[rxMsgIt++]; /* Store rcvd PFB */ + + /*******************************************************************************/ + /* Check for valid PFB type */ + if( !(nfcip_PFBisSPDU( rxPFB ) || nfcip_PFBisRPDU( rxPFB ) || nfcip_PFBisIPDU( rxPFB )) ) + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore invalid PFB */ + } + + /*******************************************************************************/ + if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO ) + { + if( !nfcip_PFBhasDID( rxPFB ) || gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did ) + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore bad/missing DID */ + } + optHdrLen++; /* Inc header optional field cnt*/ + } + else if( nfcip_PFBhasDID( rxPFB ) ) /* DID not expected but rcv */ + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore unexpected DID */ + } + + + /*******************************************************************************/ + if( gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO ) + { + if( !nfcip_PFBhasNAD( rxPFB ) || gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.nad ) + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore bad/missing NAD */ + } + optHdrLen++; /* Inc header optional field cnt*/ + } + else if( nfcip_PFBhasNAD( rxPFB ) ) /* NAD not expected but rcv */ + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore unexpected NAD */ + } + + + /*******************************************************************************/ + /* Process R-PDU */ + /*******************************************************************************/ + if( nfcip_PFBisRPDU( rxPFB ) ) + { + nfcipLogD( " NFCIP(T) Rcvd R-PDU \r\n" ); + /*******************************************************************************/ + /* R ACK */ + /*******************************************************************************/ + if( nfcip_PFBisRACK( rxPFB ) ) + { + nfcipLogI( " NFCIP(T) Rcvd ACK \r\n" ); + if( gNfcip.pni == nfcip_PBF_PNI( rxPFB ) ) + { + /* R-ACK while not performing chaining -> Protocol error */ + if( !gNfcip.isTxChaining ) + { + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore unexpected ACK */ + } + + /* This block has been transmitted and acknowledged, perform RTOX until next data is provided */ + + /* Digital 1.1 16.12.4.7 - If ACK rcvd continue with chaining or an RTOX */ + nfcipTimerStart( gNfcip.RTOXTimer, nfcipRTOXAdjust( nfcipConv1FcToMs( rfalNfcDepWT2RWT( gNfcip.cfg.to ) )) ); + gNfcip.state = NFCIP_ST_TARG_DEP_RTOX; + + return ERR_NONE; /* This block has been transmitted */ + } + + /* Digital 1.0 14.12.3.4 - If last send was ATN and rx PNI is minus 1 */ + else if( nfcip_PFBisSATN( gNfcip.lastPFB ) && (nfcip_PNIDec(gNfcip.pni) == nfcip_PBF_PNI( rxPFB )) ) + { + nfcipLogI( " NFCIP(T) wrong PNI, last was ATN reTx \r\n" ); + /* Spec says to leave current PNI as is, but will be Inc after Tx, remaining the same */ + gNfcip.pni = nfcip_PNIDec( gNfcip.pni ); + + gNfcip.state = NFCIP_ST_TARG_DEP_TX; + return ERR_BUSY; + } + } + /*******************************************************************************/ + /* R NACK */ + /*******************************************************************************/ + /* ISO 18092 12.6.1.3.3 When rcv NACK if PNI = prev PNI sent -> reTx */ + else if( nfcip_PFBisRNACK( rxPFB ) && (nfcip_PNIDec(gNfcip.pni) == nfcip_PBF_PNI( rxPFB ) ) ) + { + nfcipLogI( " NFCIP(T) Rcvd NACK \r\n" ); + + gNfcip.pni = nfcip_PNIDec( gNfcip.pni ); /* Dec so that has the prev PNI */ + + gNfcip.state = NFCIP_ST_TARG_DEP_TX; + return ERR_BUSY; + } + + nfcipLogI( " NFCIP(T) Unexpected R-PDU \r\n" ); + + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore unexpected R-PDU */ + } + + /*******************************************************************************/ + /* Process S-PDU */ + /*******************************************************************************/ + if( nfcip_PFBisSPDU( rxPFB ) ) + { + nfcipLogD( " NFCIP(T) Rcvd S-PDU \r\n" ); + + /*******************************************************************************/ + /* S ATN */ + /*******************************************************************************/ + /* ISO 18092 12.6.3 Attention */ + if( nfcip_PFBisSATN( rxPFB ) ) /* If is a S-ATN */ + { + nfcipLogI( " NFCIP(T) Rcvd ATN curPNI: %d \r\n", gNfcip.pni ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_ATN(), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + return ERR_BUSY; + } + + /*******************************************************************************/ + /* S TO */ + /*******************************************************************************/ + else if( nfcip_PFBisSTO( rxPFB ) ) /* If is a S-TO (RTOX) */ + { + if( nfcip_PFBisSTO( gNfcip.lastPFBnATN ) ) + { + nfcipLogI( " NFCIP(T) Rcvd TO \r\n" ); + + /* Digital 1.1 16.8.4.6 RTOX value in RES different that in REQ -> Protocol Error */ + if( gNfcip.lastRTOX != gNfcip.rxBuf[rxMsgIt++] ) + { + nfcipLogI( " NFCIP(T) Mismatched RTOX value \r\n" ); + + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore unexpected RTOX value */ + } + + /* Clear waiting for RTOX Ack Flag */ + gNfcip.isWait4RTOX = false; + + /* Check if a Tx is already pending */ + if( gNfcip.isTxPending ) + { + nfcipLogW( " NFCIP(T) Tx pending, go immediately to TX \r\n" ); + + gNfcip.state = NFCIP_ST_TARG_DEP_TX; + return ERR_BUSY; + } + + /* Start RTOX timer and change to check state */ + nfcipTimerStart( gNfcip.RTOXTimer, nfcipRTOXAdjust( nfcipConv1FcToMs( gNfcip.lastRTOX * rfalNfcDepWT2RWT(gNfcip.cfg.to ) ) ) ); + gNfcip.state = NFCIP_ST_TARG_DEP_RTOX; + + return ERR_BUSY; + } + } + /* Unexpected S-PDU */ + nfcipLogI( " NFCIP(T) Unexpected S-PDU \r\n" ); + + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore unexpected S-PDU */ + } + + /*******************************************************************************/ + /* Process I-PDU */ + /*******************************************************************************/ + if( nfcip_PFBisIPDU( rxPFB ) ) + { + if( gNfcip.pni != nfcip_PBF_PNI( rxPFB ) ) + { + nfcipLogI( " NFCIP(T) Rcvd IPDU wrong PNI curPNI: %d rxPNI: %d \r\n", gNfcip.pni, nfcip_PBF_PNI( rxPFB ) ); + + /* Digital 1.1 16.12.3.4 - If last send was ATN and rx PNI is minus 1 */ + if( nfcip_PFBisSATN(gNfcip.lastPFB ) && (nfcip_PNIDec(gNfcip.pni) == nfcip_PBF_PNI( rxPFB )) ) + { + /* Spec says to leave current PNI as is, but will be Inc after Data Tx, remaining the same */ + gNfcip.pni = nfcip_PNIDec(gNfcip.pni); + + if( nfcip_PFBisIMI( rxPFB ) ) + { + nfcipLogI( " NFCIP(T) PNI = prevPNI && ATN before && chaining -> send ACK \r\n" ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_ACK( gNfcip.pni ), gNfcip.rxBuf[rxMsgIt++], mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Digital 1.1 16.12.3.4 (...) leave the current PNI unchanged afterwards */ + gNfcip.pni = nfcip_PNIInc( gNfcip.pni ); + } + else + { + nfcipLogI( " NFCIP(T) PNI = prevPNI && ATN before -> reTx last I-PDU \r\n" ); + gNfcip.state = NFCIP_ST_TARG_DEP_TX; + } + + return ERR_BUSY; + } + + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + return ERR_BUSY; /* ERR_PROTO - Ignore bad PNI value */ + } + + nfcipLogD( " NFCIP(T) Rcvd IPDU OK PNI: %d \r\n", gNfcip.pni ); + + /*******************************************************************************/ + /* Successful data exchange */ + /*******************************************************************************/ + *outActRxLen = (nfcDepLen - RFAL_NFCDEP_DEP_HEADER - optHdrLen); + + nfcipClearCounters(); + + if( (gNfcip.rxBuf + gNfcip.rxBufPaylPos) != (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen) ) + { + ST_MEMMOVE( (gNfcip.rxBuf + gNfcip.rxBufPaylPos), (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen), *outActRxLen ); + } + + + /*******************************************************************************/ + /* Check if Initiator is indicating chaining MI */ + /*******************************************************************************/ + if( nfcip_PFBisIMI( rxPFB ) ) + { + gNfcip.isRxChaining = true; + *outIsChaining = true; + + nfcipLogD( " NFCIP(T) Rcvd IPDU OK w MI -> ACK \r\n" ); + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_ACK( gNfcip.pni ), gNfcip.rxBuf[rxMsgIt++], mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + gNfcip.pni = nfcip_PNIInc( gNfcip.pni ); + + return ERR_AGAIN; /* Send Again signalling to run again, but some chaining data has arrived*/ + } + else + { + if(gNfcip.isRxChaining) + { + nfcipLogI( " NFCIP(T) Rcvd last IPDU chaining finished \r\n" ); + } + + /*******************************************************************************/ + /* Reception done, send to DH and start RTOX timer */ + /*******************************************************************************/ + nfcipTimerStart( gNfcip.RTOXTimer, nfcipRTOXAdjust( nfcipConv1FcToMs( rfalNfcDepWT2RWT( gNfcip.cfg.to ) )) ); + gNfcip.state = NFCIP_ST_TARG_DEP_RTOX; + + gNfcip.isRxChaining = false; + return ERR_NONE; /* Data exchange done */ + } + } + return ret; +} + + +/*******************************************************************************/ +static ReturnCode nfcipTx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint8_t *paylBuf, uint16_t paylLen, uint8_t pfb, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t txBufIt; + uint8_t *txBlock; + + if( txBuf == NULL ) + { + return ERR_PARAM; + } + + + if( (paylLen == 0) || (paylBuf == NULL) ) + { + paylBuf = (txBuf + RFAL_NFCDEP_DEPREQ_HEADER_LEN); /* If not a DEP (no Data) ensure enough space for header */ + } + + + txBufIt = 0; + txBlock = paylBuf; /* Point to beginning of the Data, and go backwards */ + + + gNfcip.lastCmd = cmd; /* store last cmd sent */ + gNfcip.lastPFB = NFCIP_PFB_INVALID; /* reset last pfb sent */ + + /*******************************************************************************/ + /* Compute outgoing NFCIP message */ + /*******************************************************************************/ + switch( cmd ) + { + /*******************************************************************************/ + case NFCIP_CMD_ATR_RES: + case NFCIP_CMD_ATR_REQ: + + rfalNfcDepSetNFCID( paylBuf, gNfcip.cfg.nfcid, gNfcip.cfg.nfcidLen ); /* NFCID */ + txBufIt += RFAL_NFCDEP_NFCID3_LEN; + + *(paylBuf + txBufIt++) = gNfcip.cfg.did; /* DID */ + *(paylBuf + txBufIt++) = gNfcip.cfg.bs; /* BS */ + *(paylBuf + txBufIt++) = gNfcip.cfg.br; /* BR */ + + if( cmd == NFCIP_CMD_ATR_RES ) + { + *(paylBuf + txBufIt++) = gNfcip.cfg.to; /* ATR_RES[ TO ] */ + } + + if( gNfcip.cfg.gbLen > 0) + { + *(paylBuf + txBufIt++) = nfcip_PPwGB( gNfcip.cfg.lr ); /* PP signalling GB */ + ST_MEMCPY( (paylBuf + txBufIt), gNfcip.cfg.gb, gNfcip.cfg.gbLen ); /* set General Bytes */ + txBufIt += gNfcip.cfg.gbLen; + } + else + { + *(paylBuf + txBufIt++) = rfalNfcDepLR2PP( gNfcip.cfg.lr ); /* PP without GB */ + } + + if( (txBufIt + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN) > RFAL_NFCDEP_ATRREQ_MAX_LEN ) /* Check max ATR length (ATR_REQ = ATR_RES)*/ + { + return ERR_PARAM; + } + + break; + + /*******************************************************************************/ + case NFCIP_CMD_WUP_REQ: /* ISO 18092 - 12.5.2.1 */ + + rfalNfcDepSetNFCID( (paylBuf), gNfcip.cfg.nfcid, gNfcip.cfg.nfcidLen ); /* NFCID */ + txBufIt += RFAL_NFCDEP_NFCID3_LEN; + + *(--txBlock) = gNfcip.cfg.did; /* DID */ + break; + + /*******************************************************************************/ + case NFCIP_CMD_WUP_RES: /* ISO 18092 - 12.5.2.2 */ + case NFCIP_CMD_PSL_REQ: + case NFCIP_CMD_PSL_RES: + + *(--txBlock) = gNfcip.cfg.did; /* DID */ + break; + + /*******************************************************************************/ + case NFCIP_CMD_RLS_REQ: + case NFCIP_CMD_RLS_RES: + case NFCIP_CMD_DSL_REQ: + case NFCIP_CMD_DSL_RES: + + /* Digital 1.0 - 14.8.1.1 & 14.9.1.1 & 14.10.1.1 Only add DID if not 0 */ + if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO ) + { + *(--txBlock) = gNfcip.cfg.did; /* DID */ + } + break; + + /*******************************************************************************/ + case NFCIP_CMD_DEP_REQ: + case NFCIP_CMD_DEP_RES: + + /* Compute optional PFB bits */ + if(gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) pfb |= NFCIP_PFB_DID_BIT; + if(gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO) pfb |= NFCIP_PFB_NAD_BIT; + if((gNfcip.isTxChaining) && (nfcip_PFBisIPDU(pfb)) ) pfb |= NFCIP_PFB_MI_BIT; + + /* Store PFB for future handling */ + gNfcip.lastPFB = pfb; /* store PFB sent */ + + if( !nfcip_PFBisSATN(pfb) ) + { + gNfcip.lastPFBnATN = pfb; /* store last PFB different then ATN */ + } + + + /* Add NAD if it is to be supported */ + if( gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO ) + { + *(--txBlock) = gNfcip.cfg.nad; /* NAD */ + } + + /* Digital 1.0 - 14.8.1.1 & 14.8.1.1 Only add DID if not 0 */ + if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO ) + { + *(--txBlock) = gNfcip.cfg.did; /* DID */ + } + + *(--txBlock) = pfb; /* PFB */ + + + /* NCI 1.0 - Check if Empty frames are allowed */ + if( (paylLen == 0) && nfcipIsEmptyDEPDisabled(gNfcip.cfg.oper) && nfcip_PFBisIPDU(pfb) ) + { + return ERR_PARAM; + } + break; + + /*******************************************************************************/ + default: + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Prepend Header */ + /*******************************************************************************/ + *(--txBlock) = (uint8_t)cmd; /* CMD */ + *(--txBlock) = ( nfcipCmdIsReq(cmd) ? NFCIP_REQ : NFCIP_RES ); /* CMDType */ + + + txBufIt += paylLen + (paylBuf - txBlock); /* Calculate overall buffer size */ + + + if( txBufIt > gNfcip.fsc ) /* Check if msg length violates the maximum payload size FSC */ + { + return ERR_NOTSUPP; + } + + /*******************************************************************************/ + return nfcipDataTx( txBlock, txBufIt, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +/* + ****************************************************************************** + * GLOBAL FUNCTIONS + ****************************************************************************** + */ + +/*******************************************************************************/ +static void nfcipConfig( rfalNfcDepConfigs cfg ) +{ + ST_MEMCPY(&gNfcip.cfg, &cfg, sizeof(rfalNfcDepConfigs)); /* Copy given config to local */ + + gNfcip.cfg.to = MIN( RFAL_NFCDEP_WT_TRG_MAX, gNfcip.cfg.to); /* Ensure proper WT value */ + gNfcip.cfg.did = nfcip_DIDMax( gNfcip.cfg.did ); /* Ensure proper DID value */ + gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr ); /* Calculate FSC based on given LR */ + + gNfcip.state = ( ( gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) ? NFCIP_ST_TARG_WAIT_ATR : NFCIP_ST_INIT_IDLE ); +} + + +/*******************************************************************************/ +static ReturnCode nfcipRun( uint16_t *outActRxLen, bool *outIsChaining, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + ret = ERR_SYNTAX; + + nfcipLogD( " NFCIP Run() state: %d \r\n", gNfcip.state ); + + switch( gNfcip.state ) + { + /*******************************************************************************/ + case NFCIP_ST_IDLE: + case NFCIP_ST_INIT_DEP_IDLE: + case NFCIP_ST_TARG_DEP_IDLE: + case NFCIP_ST_TARG_DEP_SLEEP: + return ERR_NONE; + + /*******************************************************************************/ + case NFCIP_ST_INIT_DEP_TX: + + nfcipLogD( " NFCIP(I) Tx PNI: %d txLen: %d \r\n", gNfcip.pni, gNfcip.txBufLen ); + ret = nfcipTx( NFCIP_CMD_DEP_REQ, gNfcip.txBuf, (gNfcip.txBuf + gNfcip.txBufPaylPos), gNfcip.txBufLen, nfcip_PFBIPDU( gNfcip.pni ), (gNfcip.cfg.fwt + gNfcip.cfg.dFwt), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + switch( ERR_NO_MASK(ret) ) + { + case ERR_PARAM: + default: + gNfcip.state = NFCIP_ST_INIT_DEP_IDLE; + return ret; + + case ERR_NONE: + gNfcip.state = NFCIP_ST_INIT_DEP_RX; + + } + /* fall through */ + + /*******************************************************************************/ + case NFCIP_ST_INIT_DEP_RX: + + ret = nfcipDataRx(); + + if( ret != ERR_NO_MASK(ERR_BUSY) ) + { + ret = nfcipInitiatorHandleDEP( ret, *gNfcip.rxRcvdLen, outActRxLen, outIsChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + break; + + /*******************************************************************************/ + case NFCIP_ST_TARG_DEP_RTOX: + + if( !nfcipTimerisExpired( gNfcip.RTOXTimer ) ) /* Do nothing until RTOX timer has expired */ + { + return ERR_BUSY; + } + + /* If we cannot send a RTOX raise a Timeout error so that we do not + * hold the field On forever in AP2P */ + if( nfcipIsRTOXReqDisabled(gNfcip.cfg.oper) ) + { + /* We should reEnable Rx, and measure time between our field Off to + * either report link loss or recover #287 */ + nfcipLogI( " NFCIP(T) RTOX not sent due to config, NOT reenabling Rx \r\n" ); + return ERR_TIMEOUT; + } + + if( gNfcip.cntRTOXRetrys++ > NFCIP_MAX_RTOX_RETRYS ) /* Check maximum consecutive RTOX requests */ + { + return ERR_PROTO; + } + + nfcipLogI( " NFCIP(T) RTOX sent \r\n" ); + + gNfcip.lastRTOX = nfcip_RTOXTargMax(gNfcip.cfg.to); /* Calculate requested RTOX value, and send it */ + EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_TO(), gNfcip.lastRTOX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Set waiting for RTOX Ack Flag */ + gNfcip.isWait4RTOX = true; + + gNfcip.state = NFCIP_ST_TARG_DEP_RX; /* Go back to Rx to process RTOX ack */ + return ERR_BUSY; + + /*******************************************************************************/ + case NFCIP_ST_TARG_DEP_TX: + + nfcipLogD( " NFCIP(T) Tx PNI: %d txLen: %d \r\n", gNfcip.pni, gNfcip.txBufLen ); + ret = nfcipTx( NFCIP_CMD_DEP_RES, gNfcip.txBuf, (gNfcip.txBuf + gNfcip.txBufPaylPos), gNfcip.txBufLen, nfcip_PFBIPDU( gNfcip.pni ), NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Clear flags */ + gNfcip.isTxPending = false; + gNfcip.isWait4RTOX = false; + + /* Digital 1.0 14.12.3.4 Increment the current PNI after Tx */ + gNfcip.pni = nfcip_PNIInc( gNfcip.pni ); + + switch( ERR_NO_MASK(ret) ) + { + case ERR_PARAM: + default: + gNfcip.state = NFCIP_ST_TARG_DEP_IDLE; /* Upon Tx error, goto IDLE state */ + return ret; + + case ERR_NONE: + gNfcip.state = NFCIP_ST_TARG_DEP_RX; /* All OK, goto Rx state */ + } + /* fall through */ + + /*******************************************************************************/ + case NFCIP_ST_TARG_DEP_RX: + + if( gNfcip.isReqPending ) /* if already has Data should be from a DEP from nfcipTargetHandleActivation() */ + { + nfcipLogD( " NFCIP(T) Skipping Rx Using DEP from Activation \r\n" ); + + gNfcip.isReqPending = false; + ret = ERR_NONE; + } + else + { + ret = nfcipDataRx(); + } + + if( ret != ERR_NO_MASK(ERR_BUSY) ) + { + ret = nfcipTargetHandleRX( ret, outActRxLen, outIsChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + break; + + /*******************************************************************************/ + default: + break; + } + return ret; +} + + +/*******************************************************************************/ +void rfalNfcDepSetDeactivatingCallback( rfalNfcDepDeactCallback pFunc ) +{ + gNfcip.isDeactivating = pFunc; +} + + +/*******************************************************************************/ +void rfalNfcDepInitialize( void ) +{ + nfcipLogD( " NFCIP Ini() \r\n" ); + + gNfcip.state = NFCIP_ST_IDLE; + gNfcip.isDeactivating = NULL; + + gNfcip.isTxPending = false; + gNfcip.isWait4RTOX = false; + gNfcip.isReqPending = false; + + + gNfcip.cfg.oper = (RFAL_NFCDEP_OPER_FULL_MI_DIS | RFAL_NFCDEP_OPER_EMPTY_DEP_EN | RFAL_NFCDEP_OPER_ATN_EN | RFAL_NFCDEP_OPER_RTOX_REQ_EN); + + gNfcip.cfg.did = RFAL_NFCDEP_DID_NO; + gNfcip.cfg.nad = RFAL_NFCDEP_NAD_NO; + + gNfcip.cfg.br = RFAL_NFCDEP_Bx_NO_HIGH_BR; + gNfcip.cfg.bs = RFAL_NFCDEP_Bx_NO_HIGH_BR; + + gNfcip.cfg.lr = RFAL_NFCDEP_LR_254; + gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr ); + + gNfcip.cfg.gbLen = 0; + + gNfcip.cfg.fwt = RFAL_NFCDEP_MAX_FWT; + gNfcip.cfg.dFwt = RFAL_NFCDEP_MAX_FWT; + + gNfcip.pni = 0; + gNfcip.RTOXTimer = 0; + + nfcipClearCounters(); +} + + +/*******************************************************************************/ +static void nfcipSetDEPParams( rfalNfcDepDEPParams *DEPParams ) +{ + nfcipLogD( " NFCIP SetDEP() txLen: %d \r\n", DEPParams->txBufLen ); + + gNfcip.isTxChaining = DEPParams->txChaining; + gNfcip.txBuf = DEPParams->txBuf; + gNfcip.rxBuf = DEPParams->rxBuf; + gNfcip.txBufLen = DEPParams->txBufLen; + gNfcip.rxBufLen = DEPParams->rxBufLen; + gNfcip.txBufPaylPos = DEPParams->txBufPaylPos; + gNfcip.rxBufPaylPos = DEPParams->rxBufPaylPos; + + if( DEPParams->did != RFAL_NFCDEP_DID_KEEP ) + { + gNfcip.cfg.did = nfcip_DIDMax( DEPParams->did ); + } + + gNfcip.cfg.fwt = DEPParams->fwt; + gNfcip.cfg.dFwt = DEPParams->dFwt; + gNfcip.fsc = DEPParams->fsc; + + + + if(gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) + { + /* If there's any data to be sent go for Tx */ + if(DEPParams->txBufLen > 0) + { + /* Ensure that an RTOX Ack is not being expected at moment */ + if( !gNfcip.isWait4RTOX ) + { + gNfcip.state = NFCIP_ST_TARG_DEP_TX; + return; + } + else + { + /* If RTOX Ack is expected, signal a pending Tx to be transmitted right after */ + gNfcip.isTxPending = true; + nfcipLogW( " NFCIP(T) Waiting RTOX, queueing outgoing DEP Block \r\n" ); + } + } + + /*Digital 1.0 14.12.4.1 In target mode the first PDU MUST be sent by the Initiator */ + gNfcip.state = NFCIP_ST_TARG_DEP_RX; + return; + } + + /* New data TxRx request clear previous error counters for consecutive TxRx without reseting communication/protocol layer*/ + nfcipClearCounters(); + + gNfcip.state = NFCIP_ST_INIT_DEP_TX; +} + + +/*******************************************************************************/ +bool rfalNfcDepTargetRcvdATR( void ) +{ + return ( (gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) && nfcipIsTarget(gNfcip.state) && (gNfcip.state > NFCIP_ST_TARG_WAIT_ATR) ); +} + + +/*******************************************************************************/ +bool rfalNfcDepIsAtrReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid3 ) +{ + uint8_t msgIt; + + msgIt = 0; + + if ( (bufLen < RFAL_NFCDEP_ATRREQ_MIN_LEN) || (bufLen > RFAL_NFCDEP_ATRREQ_MAX_LEN) ) + { + return false; + } + + if ( *(buf + msgIt++) != NFCIP_REQ ) + { + return false; + } + + if( *(buf + msgIt++) != NFCIP_CMD_ATR_REQ ) + { + return false; + } + + /* Output NFID2 if requested */ + if( nfcid3 != NULL ) + { + ST_MEMCPY( nfcid3, (uint8_t*)(buf + RFAL_NFCDEP_ATR_REQ_NFCID3_POS), RFAL_NFCDEP_NFCID3_LEN ); + } + + return true; +} + + +/*******************************************************************************/ +static ReturnCode nfcipTargetHandleActivation( rfalNfcDepDevice *nfcDepDev, uint8_t *outBRS, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t msgIt; + uint8_t txBuf[RFAL_NFCDEP_HEADER_PAD + NFCIP_PSLRES_LEN]; + + /*******************************************************************************/ + /* Check if we are in correct state */ + /*******************************************************************************/ + if( gNfcip.state != NFCIP_ST_TARG_WAIT_ACTV ) + { + return ERR_WRONG_STATE; + } + + + /*******************************************************************************/ + /* Check required parameters */ + /*******************************************************************************/ + if( outBRS == NULL ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Wait and process incoming cmd (PSL / DEP) */ + /*******************************************************************************/ + ret = nfcipDataRx(); + + if( ret != ERR_NONE ) + { + return ret; + } + + msgIt = 0; + *outBRS = RFAL_NFCDEP_BRS_MAINTAIN; /* set out BRS to be maintained */ + + msgIt++; /* Skip LEN byte */ + + if ( *(gNfcip.rxBuf + msgIt++) != NFCIP_REQ ) + { + return ERR_PROTO; + } + + if( *(gNfcip.rxBuf + msgIt) == NFCIP_CMD_PSL_REQ ) + { + msgIt++; + + if( *(gNfcip.rxBuf + msgIt++) != gNfcip.cfg.did ) /* Checking DID */ + { + return ERR_PROTO; + } + + nfcipLogI( " NFCIP(T) PSL REQ rcvd \r\n" ); + + *outBRS = *(gNfcip.rxBuf + msgIt++); /* assign output BRS value */ + + /* Store FSL(LR) and update current config */ + gNfcip.cfg.lr = (*(gNfcip.rxBuf + msgIt++) & RFAL_NFCDEP_LR_VAL_MASK); + gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr ); + + /*******************************************************************************/ + /* Update NFC-DDE Device info */ + if( nfcDepDev != NULL ) + { + /* Update Bitrate info */ + nfcDepDev->info.DSI = (rfalBitRate)rfalNfcDepBRS2DSI( *outBRS ); /* DSI codes the bit rate from Initiator to Target */ + nfcDepDev->info.DRI = (rfalBitRate)rfalNfcDepBRS2DRI( *outBRS ); /* DRI codes the bit rate from Target to Initiator */ + + /* Update Length Reduction and Frame Size */ + nfcDepDev->info.LR = gNfcip.cfg.lr; + nfcDepDev->info.FS = gNfcip.fsc; + + /* Update PPi byte */ + nfcDepDev->activation.Initiator.ATR_REQ.PPi &= ~RFAL_NFCDEP_PP_LR_MASK; + nfcDepDev->activation.Initiator.ATR_REQ.PPi |= rfalNfcDepLR2PP( gNfcip.cfg.lr ); + } + + EXIT_ON_ERR( ret, nfcipTx( NFCIP_CMD_PSL_RES, txBuf, 0, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + else + { + if( *(gNfcip.rxBuf + msgIt) == NFCIP_CMD_DEP_REQ ) + { + msgIt++; + + /*******************************************************************************/ + /* Digital 1.0 14.12.3.1 PNI must be initialized to 0 */ + if( nfcip_PBF_PNI( *(gNfcip.rxBuf + msgIt) ) != 0 ) + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Digital 1.0 14.8.2.1 check if DID is expected and match -> Protocol Error */ + if( nfcip_PFBhasDID( *(gNfcip.rxBuf + msgIt) ) ) + { + if( *(gNfcip.rxBuf + (++msgIt)) != gNfcip.cfg.did) + { + return ERR_PROTO; + } + } + else if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO ) /* DID expected but not rcv */ + { + return ERR_PROTO; + } + } + + /* Signal Request pending to be digested on normal Handling (DEP_REQ, DSL_REQ, RLS_REQ) */ + gNfcip.isReqPending = true; + } + + gNfcip.state = NFCIP_ST_TARG_DEP_RX; + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepATR( rfalNfcDepAtrParam* param, rfalNfcDepAtrRes *atrRes, + uint8_t* atrResLen, SPI* mspiChannel, ST25R3911* mST25, + DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, + DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, + DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcDepConfigs cfg; + uint16_t rxLen; + uint8_t msgIt; + + + + if( (param == NULL) || (atrRes == NULL) || (atrResLen == NULL) ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Configure NFC-DEP layer */ + /*******************************************************************************/ + + cfg.did = param->DID; + cfg.nad = param->NAD; + cfg.fwt = RFAL_NFCDEP_MAX_FWT; + cfg.dFwt = RFAL_NFCDEP_MAX_FWT; + cfg.br = param->BR; + cfg.bs = param->BS; + cfg.lr = param->LR; + cfg.to = RFAL_NFCDEP_WT_TRG_MAX; /* Not used in Initiator mode */ + + + cfg.gbLen = param->GBLen; + ST_MEMCPY( cfg.gb, param->GB, cfg.gbLen ); + + cfg.nfcidLen = param->nfcidLen; + ST_MEMCPY( cfg.nfcid, param->nfcid, param->nfcidLen ); + + cfg.role = RFAL_NFCDEP_ROLE_INITIATOR; + cfg.oper = param->operParam; + cfg.commMode = param->commMode; + + rfalNfcDepInitialize(); + nfcipConfig( cfg ); + + /*******************************************************************************/ + /* Send ATR_REQ */ + /*******************************************************************************/ + + EXIT_ON_ERR( ret, nfcipTxRx(NFCIP_CMD_ATR_REQ, txBuf, NFCIP_RWT_ACTIVATION, NULL, + 0, rxBuf, NFCIP_ATRRES_BUF_LEN, &rxLen, mspiChannel, mST25, gpio_cs, + IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + + /*******************************************************************************/ + /* ATR sent, check response */ + /*******************************************************************************/ + msgIt = 0; + rxLen = (uint16_t)(*(rxBuf + msgIt++) - RFAL_NFCDEP_LEN_LEN); /* use LEN byte */ + + if( (rxLen < RFAL_NFCDEP_ATRRES_MIN_LEN) || (rxLen > RFAL_NFCDEP_ATRRES_MAX_LEN) ) /* Checking length: ATR_RES */ + { + return ERR_PROTO; + } + + if( *(rxBuf + msgIt++) != NFCIP_RES ) /* Checking if is a response*/ + { + return ERR_PROTO; + } + + if( *(rxBuf + msgIt++) != NFCIP_CMD_ATR_RES ) /* Checking if is a ATR RES */ + { + return ERR_PROTO; + } + + ST_MEMCPY(atrRes, (rxBuf + RFAL_NFCDEP_LEN_LEN), rxLen); + *atrResLen = (uint8_t)rxLen; + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepPSL( uint8_t BRS, uint8_t FSL, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + uint8_t msgIt; + + + msgIt = 0; + + + //changed here in plsbufPSL + pslBufPSL[msgIt++] = BRS; + pslBufPSL[msgIt++] = FSL; + + /*******************************************************************************/ + /* Send PSL REQ and wait for response */ + /*******************************************************************************/ + EXIT_ON_ERR( ret, nfcipTxRx( NFCIP_CMD_PSL_REQ, txBufPSL, NFCIP_RWT_ACTIVATION, pslBufPSL, msgIt, rxBufPSL, NFCIP_PSLRES_LEN, &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + + /*******************************************************************************/ + /* PSL sent, check response */ + /*******************************************************************************/ + msgIt = 0; + rxLen = (uint16_t)(*(rxBuf + msgIt++) ); /* use LEN byte */ + + if( rxLen < NFCIP_PSLRES_LEN ) /* Checking length: LEN + RLS_RES */ + { + return ERR_PROTO; + } + + if( *(rxBuf + msgIt++) != NFCIP_RES ) /* Checking if is a response */ + { + return ERR_PROTO; + } + + if( *(rxBuf + msgIt++) != NFCIP_CMD_PSL_RES ) /* Checking if is a PSL RES */ + { + return ERR_PROTO; + } + + if( *(rxBuf + msgIt++) != gNfcip.cfg.did ) /* Checking DID */ + { + return ERR_PROTO; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepDSL( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + uint8_t rxMsgIt; + uint16_t rxLen = 0; + + if( gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET ) + { + return ERR_NONE; /* Target has no deselect procedure */ + } + + /* Repeating a DSL REQ is optional, not doing it */ + EXIT_ON_ERR( ret, nfcipTxRx( NFCIP_CMD_DSL_REQ, txBufDSL, NFCIP_RWT_ACTIVATION, 0, 0, rxBufDSL, RFAL_NFCDEP_ATRRES_MAX_LEN, &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /*******************************************************************************/ + rxMsgIt = 0; + + if( *(rxBuf + rxMsgIt++) < NFCIP_DSLRES_MIN ) /* Checking length: LEN + DSL_RES */ + { + return ERR_PROTO; + } + + if( *(rxBuf + rxMsgIt++) != NFCIP_RES ) /* Checking if is a response */ + { + return ERR_PROTO; + } + + if( *(rxBuf + rxMsgIt++) != NFCIP_CMD_DSL_RES ) /* Checking if is DSL RES */ + { + return ERR_PROTO; + } + + if( (gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && (*(rxBuf + rxMsgIt++) != gNfcip.cfg.did ) ) + { + return ERR_PROTO; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepRLS( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + uint8_t rxMsgIt; + uint16_t rxLen = 0; + + if( gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET ) + return ERR_NONE; /* Target has no release procedure */ + + /* Repeating a RLS REQ is optional, not doing it */ + EXIT_ON_ERR( ret, nfcipTxRx( NFCIP_CMD_RLS_REQ, txBufRLS, NFCIP_RWT_ACTIVATION, 0, 0, rxBufRLS, RFAL_NFCDEP_ATRRES_MAX_LEN, &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /*******************************************************************************/ + rxMsgIt = 0; + + if( *(rxBuf + rxMsgIt++) < NFCIP_RLSRES_MIN ) /* Checking length: LEN + RLS_RES */ + { + return ERR_PROTO; + } + + if( *(rxBuf + rxMsgIt++) != NFCIP_RES ) /* Checking if is a response */ + { + return ERR_PROTO; + } + + if( *(rxBuf + rxMsgIt++) != NFCIP_CMD_RLS_RES ) /* Checking if is RLS RES */ + { + return ERR_PROTO; + } + + if( (gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && (*(rxBuf + rxMsgIt++) != gNfcip.cfg.did ) ) + { + return ERR_PROTO; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepInitiatorHandleActivation( rfalNfcDepAtrParam* param, rfalBitRate desiredBR, rfalNfcDepDevice* nfcDepDev, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t maxRetyrs; + uint8_t PSL_BRS; + uint8_t PSL_FSL; + bool sendPSL; + + if( (param == NULL) || (nfcDepDev == NULL) ) + { + return ERR_PARAM; + } + + param->NAD = RFAL_NFCDEP_NAD_NO; /* Digital 1.1 16.6.2.9 Initiator SHALL NOT use NAD */ + maxRetyrs = NFCIP_ATR_RETRY_MAX; + + /*******************************************************************************/ + /* Send ATR REQ and wait for response */ + /*******************************************************************************/ + do{ /* Upon transmission error ATR REQ should be retried */ + + ret = rfalNfcDepATR( param, &nfcDepDev->activation.Target.ATR_RES, &nfcDepDev->activation.Target.ATR_RESLen, + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, + fieldLED_05, fieldLED_06 ) ; + + if( nfcipIsTransmissionError(ret) ) + { + continue; + } + break; + } + while( (maxRetyrs--) ); + + if( ERR_NO_MASK(ret) != ERR_NONE ) + { + return ret; + } + + /*******************************************************************************/ + /* Compute NFC-DEP device with ATR_RES */ + /*******************************************************************************/ + nfcDepDev->info.GBLen = (nfcDepDev->activation.Target.ATR_RESLen - RFAL_NFCDEP_ATRRES_MIN_LEN); + nfcDepDev->info.DID = nfcDepDev->activation.Target.ATR_RES.DID; + nfcDepDev->info.NAD = RFAL_NFCDEP_NAD_NO; /* Digital 1.1 16.6.3.11 Initiator SHALL ignore b1 of PPt */ + nfcDepDev->info.LR = rfalNfcDepPP2LR( nfcDepDev->activation.Target.ATR_RES.PPt ); + nfcDepDev->info.FS = rfalNfcDepLR2FS( nfcDepDev->info.LR ); + nfcDepDev->info.WT = (nfcDepDev->activation.Target.ATR_RES.TO & RFAL_NFCDEP_WT_MASK); + nfcDepDev->info.FWT = rfalNfcDepCalculateRWT( nfcDepDev->info.WT ); + nfcDepDev->info.dFWT = rfalNfcDepCalculateRWT( RFAL_NFCDEP_WT_DELTA ); + + rfalGetBitRate( &nfcDepDev->info.DSI, &nfcDepDev->info.DRI ); + + + + /*******************************************************************************/ + /* Check if a PSL needs to be sent */ + /*******************************************************************************/ + sendPSL = false; + PSL_BRS = rfalNfcDepDx2BRS( nfcDepDev->info.DSI ); /* Set current bit rate divisor on both directions */ + PSL_FSL = nfcDepDev->info.LR; /* Set current Frame Size */ + + +#if 0 + /* Activity 1.0 + * 9.4.6.3 NFC-F NFC-DEP Activation + * 9.4.4.15 NFC-A NFC-DEP Activation + * + * PSL_REQ shall only be sent if desired bit rate is different from current + * */ + + /*******************************************************************************/ + /* Check Frame Size */ + /*******************************************************************************/ + if( gNfcip.cfg.lr < nfcDepDev->info.LR ) /* If our Length reduction is smaller */ + { + sendPSL = true; + + nfcDepDev->info.LR = MIN( nfcDepDev->info.LR, gNfcip.cfg.lr ); + + gNfcip.cfg.lr = nfcDepDev->info.LR /* Update nfcip LR to be used */ + gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr ); /* Update nfcip FSC to be used */ + + PSL_FSL = gNfcip.cfg.lr; /* Set LR to be sent */ + + nfcipLogI( " NFCIP(I) Frame Size differ, PSL new fsc: %d \r\n", gNfcip.fsc ); + } +#endif + + + /*******************************************************************************/ + /* Check Baud rates */ + /*******************************************************************************/ + if( ((nfcDepDev->info.DSI != desiredBR) && nfcipDxIsSupported( desiredBR, nfcDepDev->activation.Target.ATR_RES.BRt, nfcDepDev->activation.Target.ATR_RES.BSt )) /* if desired BR is different and supported */ + /* || (target->brt != RFAL_NFCDEP_Bx_NO_HIGH_BR) || (target->bst != RFAL_NFCDEP_Bx_NO_HIGH_BR) */ ) /* if target supports higher BR, must send PSL? */ + { + sendPSL = true; + PSL_BRS = rfalNfcDepDx2BRS( desiredBR ); + + nfcipLogI( " NFCIP(I) BR differ, PSL BR: 0x%02X \r\n", PSL_BRS ); + } + + + /*******************************************************************************/ + if( sendPSL ) + { + /*******************************************************************************/ + /* Send PSL REQ and wait for response */ + /*******************************************************************************/ + EXIT_ON_ERR( ret, rfalNfcDepPSL(PSL_BRS, PSL_FSL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Check if bit rate has been changed */ + if( nfcDepDev->info.DSI != desiredBR ) + { + /* Check if device was in Passive NFC-A and went to higher bit rates, use NFC-F */ + if( (nfcDepDev->info.DSI == RFAL_BR_106) && (gNfcip.cfg.commMode == RFAL_NFCDEP_COMM_PASSIVE) ) + { + + #if RFAL_FEATURE_NFCF + /* If Passive initialize NFC-F module */ + rfalNfcfPollerInitialize( desiredBR, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + #else /* RFAL_FEATURE_NFCF */ + return ERR_NOTSUPP; + #endif /* RFAL_FEATURE_NFCF */ + + } + + nfcDepDev->info.DRI = desiredBR; /* DSI Bit Rate coding from Initiator to Target */ + nfcDepDev->info.DSI = desiredBR; /* DRI Bit Rate coding from Target to Initiator */ + + rfalSetBitRate( nfcDepDev->info.DSI, nfcDepDev->info.DRI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + + return ERR_NONE; /* PSL has been sent */ + } + + return ERR_NONE; /* No PSL has been sent */ +} + + +/*******************************************************************************/ +uint32_t rfalNfcDepCalculateRWT( uint8_t wt ) +{ + /* Digital 1.0 14.6.3.8 & Digital 1.1 16.6.3.9 */ + /* Digital 1.1 16.6.3.9 treat all RFU values as WT=14 */ + wt = MIN( RFAL_NFCDEP_WT_INI_MAX, wt ); + + return rfalNfcDepWT2RWT(wt); +} + + + +/*******************************************************************************/ +static ReturnCode nfcipDataTx( uint8_t* txBuf, uint16_t txBufLen, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + return rfalTransceiveBlockingTx( txBuf, txBufLen, gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen, (RFAL_TXRX_FLAGS_DEFAULT | RFAL_TXRX_FLAGS_NFCIP1_ON), ((fwt == NFCIP_NO_FWT) ? RFAL_FWT_NONE : rfalConv64fcTo1fc(fwt)), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +static ReturnCode nfcipDataRx( void ) +{ + ReturnCode ret; + + ret = rfalGetTransceiveStatus(); + + if( ret != ERR_BUSY ) + { + (*gNfcip.rxRcvdLen) = rfalConvBitsToBytes( *gNfcip.rxRcvdLen ); + + if( (ret == ERR_NONE) && (gNfcip.rxRcvdLen != NULL) && (gNfcip.rxBuf != NULL) ) + { + /* Digital 1.1 16.4.1.3 - Length byte LEN SHALL have a value between 3 and 255 -> + * otherwise treat as Transmission Error * + * - Ensure that actual received and frame length do match, + * otherwise treat as Transmission error */ + + if( (*gNfcip.rxRcvdLen != (uint16_t)*gNfcip.rxBuf) || (*gNfcip.rxRcvdLen < RFAL_NFCDEP_LEN_MIN) || (*gNfcip.rxRcvdLen > RFAL_NFCDEP_LEN_MAX) ) + { + return ERR_FRAMING; + + } + } + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepListenStartActivation( rfalNfcDepTargetParam *param, uint8_t *atrReq, uint16_t atrReqLength, rfalNfcDepListenActvParam rxParam, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcDepConfigs cfg; + + + if( (param == NULL) || (atrReq == NULL) || (rxParam.rxLen == NULL) ) + { + return ERR_PARAM; + } + + + /*******************************************************************************/ + /* Check whether is a valid ATR_REQ Compute NFC-DEP device */ + if( !rfalNfcDepIsAtrReq( atrReq, atrReqLength, NULL ) ) + { + return ERR_PARAM; + } + + rxParam.nfcDepDev->activation.Initiator.ATR_REQLen = atrReqLength; /* nfcipIsAtrReq() is already checking Min and Max buffer lengths */ + ST_MEMCPY( (uint8_t*)&rxParam.nfcDepDev->activation.Initiator.ATR_REQ, atrReq, atrReqLength ); + + rxParam.nfcDepDev->info.GBLen = (atrReqLength - RFAL_NFCDEP_ATRREQ_MIN_LEN); + rxParam.nfcDepDev->info.DID = rxParam.nfcDepDev->activation.Initiator.ATR_REQ.DID; + rxParam.nfcDepDev->info.NAD = RFAL_NFCDEP_NAD_NO; /* Digital 1.1 16.6.2.9 Initiator SHALL NOT use NAD */ + rxParam.nfcDepDev->info.LR = rfalNfcDepPP2LR( rxParam.nfcDepDev->activation.Initiator.ATR_REQ.PPi ); + rxParam.nfcDepDev->info.FS = rfalNfcDepLR2FS( rxParam.nfcDepDev->info.LR ); + rxParam.nfcDepDev->info.WT = 0; + rxParam.nfcDepDev->info.FWT = NFCIP_NO_FWT; + rxParam.nfcDepDev->info.dFWT = NFCIP_NO_FWT; + + rfalGetBitRate( &rxParam.nfcDepDev->info.DSI, &rxParam.nfcDepDev->info.DRI ); + + + /* Store Device Info location, updated upon a PSL */ + gNfcip.nfcDepDev = rxParam.nfcDepDev; + + + /*******************************************************************************/ + cfg.did = rxParam.nfcDepDev->activation.Initiator.ATR_REQ.DID; + cfg.nad = RFAL_NFCDEP_NAD_NO; + + cfg.fwt = RFAL_NFCDEP_MAX_FWT; + cfg.dFwt = RFAL_NFCDEP_MAX_FWT; + + cfg.br = param->brt; + cfg.bs = param->bst; + + cfg.lr = rfalNfcDepPP2LR(param->ppt); + + cfg.gbLen = param->GBtLen; + ST_MEMCPY(cfg.gb, param->GBt, cfg.gbLen); + + cfg.nfcidLen = RFAL_NFCDEP_NFCID3_LEN; + ST_MEMCPY(cfg.nfcid, param->nfcid3, RFAL_NFCDEP_NFCID3_LEN); + + cfg.to = param->to; + + cfg.role = RFAL_NFCDEP_ROLE_TARGET; + cfg.oper = param->operParam; + cfg.commMode = param->commMode; + + rfalNfcDepInitialize(); + nfcipConfig( cfg ); + + + /*******************************************************************************/ + /* Reply with ATR RES to Initiator */ + /*******************************************************************************/ + gNfcip.rxBuf = (uint8_t*)rxParam.rxBuf; + gNfcip.rxBufLen = sizeof(rfalNfcDepBufFormat); + gNfcip.rxRcvdLen = rxParam.rxLen; + gNfcip.rxBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN; + gNfcip.isChaining = rxParam.isRxChaining; + gNfcip.txBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN; + + EXIT_ON_ERR( ret, nfcipTx( NFCIP_CMD_ATR_RES, (uint8_t*) gNfcip.rxBuf, NULL, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + gNfcip.state = NFCIP_ST_TARG_WAIT_ACTV; + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepListenGetActivationStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode err; + uint8_t BRS; + + BRS = RFAL_NFCDEP_BRS_MAINTAIN; + + err = nfcipTargetHandleActivation( gNfcip.nfcDepDev, &BRS, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + switch (err) + { + case ERR_NONE: + + if( BRS != RFAL_NFCDEP_BRS_MAINTAIN ) + { + /* DSI codes the bit rate from Initiator to Target */ + /* DRI codes the bit rate from Target to Initiator */ + + if( gNfcip.cfg.commMode == RFAL_NFCDEP_COMM_ACTIVE ) + { + EXIT_ON_ERR( err, rfalSetMode( RFAL_MODE_LISTEN_ACTIVE_P2P, gNfcip.nfcDepDev->info.DRI, gNfcip.nfcDepDev->info.DSI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + else + { + EXIT_ON_ERR( err, rfalSetMode( ((RFAL_BR_106 == gNfcip.nfcDepDev->info.DRI) ? RFAL_MODE_LISTEN_NFCA : RFAL_MODE_LISTEN_NFCF), gNfcip.nfcDepDev->info.DRI, gNfcip.nfcDepDev->info.DSI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + } + break; + + case ERR_BUSY: + /* do nothing */ + break; + + case ERR_PROTO: + default: + /* re-enable receiving of data */ + nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen ); + break; + } + + return err; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepStartTransceive( rfalNfcDepTxRxParam *param ) +{ + rfalNfcDepDEPParams nfcDepParams; + + nfcDepParams.txBuf = (uint8_t *)param->txBuf; + nfcDepParams.txBufLen = param->txBufLen; + nfcDepParams.txChaining = param->isTxChaining; + nfcDepParams.txBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN; /* position in txBuf where actual outgoing data is located */ + nfcDepParams.did = RFAL_NFCDEP_DID_KEEP; + nfcDepParams.rxBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN; + nfcDepParams.rxBuf = (uint8_t *)param->rxBuf; + nfcDepParams.rxBufLen = sizeof(rfalNfcDepBufFormat); + nfcDepParams.fsc = param->FSx; + nfcDepParams.fwt = param->FWT; + nfcDepParams.dFwt = param->dFWT; + + gNfcip.rxRcvdLen = param->rxLen; + gNfcip.isChaining = param->isRxChaining; + + nfcipSetDEPParams(&nfcDepParams); + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcDepGetTransceiveStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + return nfcipRun( gNfcip.rxRcvdLen, gNfcip.isChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +#endif /* RFAL_FEATURE_NFC_DEP */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcDep.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,705 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcDep.h + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-DEP protocol + * + * NFC-DEP is also known as NFCIP - Near Field Communication + * Interface and Protocol + * + * This implementation was based on the following specs: + * - NFC Forum Digital 1.1 + * - ECMA 340 3rd Edition 2013 + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup NFC-DEP + * @brief RFAL NFC-DEP Module + * @{ + */ + +#ifndef RFAL_NFCDEP_H_ +#define RFAL_NFCDEP_H_ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" + + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ +#define RFAL_NFCDEP_FRAME_SIZE_MAX_LEN 254 /*!< NFCIP Maximum Frame Size Digital 1.0 Table 91 */ +#define RFAL_NFCDEP_DEPREQ_HEADER_LEN 5 /*!< DEP_REQ header length: CMD_TYPE + CMD_CMD + PBF + DID + NAD */ + + + +/*! Length NFCIP DEP REQ or RES header (incl LEN) */ +#define RFAL_NFCDEP_DEP_HEADER ( RFAL_NFCDEP_LEN_LEN + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN + RFAL_NFCDEP_DEP_PFB_LEN ) +#define RFAL_NFCDEP_HEADER ( RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN ) /*!< NFCIP header length */ +#define RFAL_NFCDEP_SB_LEN 1 /*!< SB length on NFCIP fram for NFC-A */ +#define RFAL_NFCDEP_LEN_LEN 1 /*!< LEN length on NFCIP frame */ +#define RFAL_NFCDEP_CMDTYPE_LEN 1 /*!< Length of the cmd type (REQ | RES) on NFCIP frame */ +#define RFAL_NFCDEP_CMD_LEN 1 /*!< Length of the cmd on NFCIP frame */ +#define RFAL_NFCDEP_DID_LEN 1 /*!< Length of did on NFCIP frame */ +#define RFAL_NFCDEP_DEP_PFB_LEN 1 /*!< Length of the PFB field on NFCIP frame */ + +#define RFAL_NFCDEP_DSL_RLS_LEN_NO_DID (RFAL_NFCDEP_LEN_LEN + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN) /*!< Length of DSL_REQ and RLS_REQ with no DID */ +#define RFAL_NFCDEP_DSL_RLS_LEN_DID (RFAL_NFCDEP_DSL_RLS_LEN_NO_DID + RFAL_NFCDEP_DID_LEN) /*!< Length of DSL_REQ and RLS_REQ with DID */ + +#define RFAL_NFCDEP_FS_VAL_MIN 64 /*!< Minimum LR value */ +#define RFAL_NFCDEP_LR_VAL_MASK 0x03 /*!< Bit mask for a LR value */ +#define RFAL_NFCDEP_PP_LR_MASK 0x30 /*!< Bit mask for LR value in PP byte on a ATR REQ/RES */ +#define RFAL_NFCDEP_PP_LR_SHIFT 4 /*!< Position of LR value in PP byte on a ATR REQ/RES */ + +#define RFAL_NFCDEP_DID_MAX 14 /*!< Max DID value Digital 14.6.2.3 */ +#define RFAL_NFCDEP_DID_KEEP 0xFF /*!< Keep DID value already configured */ +#define RFAL_NFCDEP_DID_NO 0x00 /*!< No DID shall be used */ +#define RFAL_NFCDEP_NAD_NO 0x00 /*!< No NAD shall be used */ + +#define RFAL_NFCDEP_OPER_RTOX_REQ_DIS 0x01 /*!< Operation config: RTOX REQ disable */ +#define RFAL_NFCDEP_OPER_RTOX_REQ_EN 0x00 /*!< Operation config: RTOX REQ enable */ + +#define RFAL_NFCDEP_OPER_ATN_DIS 0x00 /*!< Operation config: ATN disable */ +#define RFAL_NFCDEP_OPER_ATN_EN 0x02 /*!< Operation config: ATN enable */ + +#define RFAL_NFCDEP_OPER_EMPTY_DEP_DIS 0x04 /*!< Operation config: empty DEPs disable */ +#define RFAL_NFCDEP_OPER_EMPTY_DEP_EN 0x00 /*!< Operation config: empty DEPs enable */ + +#define RFAL_NFCDEP_OPER_FULL_MI_DIS 0x00 /*!< Operation config: full chaining DEPs disable */ +#define RFAL_NFCDEP_OPER_FULL_MI_EN 0x08 /*!< Operation config: full chaining DEPs enable */ + + +#define RFAL_NFCDEP_BRS_MAINTAIN 0xC0 /*!< Value signalling that BR is to be maintained (no PSL) */ +#define RFAL_NFCDEP_BRS_Dx_MASK 0x07 /*!< Value signalling that BR is to be maintained (no PSL) */ +#define RFAL_NFCDEP_BRS_DSI_POS 3 /*!< Value signalling that BR is to be maintained (no PSL) */ + +#define RFAL_NFCDEP_WT_DELTA (16 - RFAL_NFCDEP_WT_DELTA_ADJUST) /*!< NFC-DEP dWRT (adjusted) Digital 1.0 A.10 */ +#define RFAL_NFCDEP_WT_DELTA_ADJUST 4 /*!< dWRT value adjustment */ + + +#define RFAL_NFCDEP_ATR_REQ_NFCID3_POS 2 /*!< NFCID3 offset in ATR_REQ frame */ +#define RFAL_NFCDEP_NFCID3_LEN 10 /*!< NFCID3 Length */ + +#define RFAL_NFCDEP_LEN_MIN 3 /*!< Minimum length byte LEN value */ +#define RFAL_NFCDEP_LEN_MAX 255 /*!< Maximum length byte LEN value */ + +#define RFAL_NFCDEP_ATRRES_HEADER_LEN 2 /*!< ATR RES Header Len: CmdType: 0xD5 + Cod: 0x01 */ +#define RFAL_NFCDEP_ATRRES_MIN_LEN 17 /*!< Minimum length for an ATR RES */ +#define RFAL_NFCDEP_ATRRES_MAX_LEN 64 /*!< Maximum length for an ATR RES Digital 1.0 14.6.1 */ +#define RFAL_NFCDEP_ATRREQ_MIN_LEN 16 /*!< Minimum length for an ATR REQ */ +#define RFAL_NFCDEP_ATRREQ_MAX_LEN RFAL_NFCDEP_ATRRES_MAX_LEN /*!< Maximum length for an ATR REQ Digital 1.0 14.6.1 */ + +#define RFAL_NFCDEP_GB_MAX_LEN (RFAL_NFCDEP_ATRREQ_MAX_LEN - RFAL_NFCDEP_ATRREQ_MIN_LEN) /*!< Maximum length the General Bytes on ATR Digital 1.1 16.6.3 */ + +#define RFAL_NFCDEP_WT_INI_DEFAULT RFAL_NFCDEP_WT_INI_MAX /*!< WT Initiator default value Digital 1.0 14.6.3.8 */ +#define RFAL_NFCDEP_WT_INI_MIN 0 /*!< WT Initiator minimum value Digital 1.0 14.6.3.8 */ +#define RFAL_NFCDEP_WT_INI_MAX 14 /*!< WT Initiator maximum value Digital 1.0 14.6.3.8 A.10*/ +#define RFAL_NFCDEP_RWT_INI_MAX rfalNfcDepWT2RWT( RFAL_NFCDEP_WT_INI_MAX ) /*!< RWT Initiator maximum value */ + +#define RFAL_NFCDEP_WT_TRG_MAX_D10 8 /*!< WT target max Digital 1.0 14.6.3.8 A.10 */ +#define RFAL_NFCDEP_WT_TRG_MAX_D11 14 /*!< WT target max Digital 1.1 16.6.3.9 A.9 */ +#define RFAL_NFCDEP_WT_TRG_MAX RFAL_NFCDEP_WT_TRG_MAX_D10 /*!< WT target max Digital 1.x */ +#define RFAL_NFCDEP_RWT_TRG_MAX rfalNfcDepWT2RWT( RFAL_NFCDEP_WT_TRG_MAX ) /*!< RWT Initiator maximum value */ + +/*! Maximum Frame Waiting Time = ((256 * 16/fc)*2^FWImax) = ((256*16/fc)*2^14) = (1048576 / 64)/fc = (100000h*64)/fc */ +#define RFAL_NFCDEP_MAX_FWT (1<<20) + +#define RFAL_NFCDEP_WT_MASK 0x0F /*!< Bit mask for the Wait Time value */ + +#define RFAL_NFCDEP_BR_MASK_106 1 /*!< Enable mask bit rate 106 */ +#define RFAL_NFCDEP_BR_MASK_212 2 /*!< Enable mask bit rate 242 */ +#define RFAL_NFCDEP_BR_MASK_424 4 /*!< Enable mask bit rate 424 */ + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +#define rfalNfcDepWT2RWT( wt ) (1 << ( (wt & RFAL_NFCDEP_WT_MASK) + 6) ) /*!< Converts WT value to RWT */ + +/*! Returns the BRS value from the given bit rate */ +#define rfalNfcDepDx2BRS( br ) ( (uint8_t) ( (((br)&RFAL_NFCDEP_BRS_Dx_MASK) << RFAL_NFCDEP_BRS_DSI_POS) | ((br) & RFAL_NFCDEP_BRS_Dx_MASK) )) + +#define rfalNfcDepBRS2DRI( brs ) ( (uint8_t) ( brs & RFAL_NFCDEP_BRS_Dx_MASK ) ) /*!< Returns the DRI value from the given BRS byte */ +#define rfalNfcDepBRS2DSI( brs ) ( (uint8_t) ( (brs >> RFAL_NFCDEP_BRS_DSI_POS) & RFAL_NFCDEP_BRS_Dx_MASK ) ) /*!< Returns the DSI value from the given BRS byte */ + +#define rfalNfcDepPP2LR( PPx ) ( (uint8_t) ( PPx & RFAL_NFCDEP_PP_LR_MASK ) >> RFAL_NFCDEP_PP_LR_SHIFT) /*!< Returns the LR value from the given PPx byte */ +#define rfalNfcDepLR2PP( LRx ) ( (uint8_t) ((LRx << RFAL_NFCDEP_PP_LR_SHIFT) & RFAL_NFCDEP_PP_LR_MASK)) /*!< Returns the PP byte with the given LRx value */ + +/*! Returns the Frame size value from the given LRx value */ +#define rfalNfcDepLR2FS( LRx ) MIN( ((uint8_t) RFAL_NFCDEP_FS_VAL_MIN * (LRx + 1) ), RFAL_NFCDEP_FRAME_SIZE_MAX_LEN ) + +/*! + * Despite DIGITAL 1.0 14.6.2.1 stating that the last two bytes may filled with + * any value, some devices (Samsung Google Nexus) only accept when these are 0 */ +#define rfalNfcDepSetNFCID( dst, src, len ) ST_MEMSET( (dst), 0x00, RFAL_NFCDEP_NFCID3_LEN ); \ + ST_MEMCPY( (dst), src, len ) + +/* + ****************************************************************************** + * GLOBAL ENUMERATIONS + ****************************************************************************** + */ + + + +/*! Enumeration of NFC-DEP bit rate in ATR Digital 1.0 Table 93 and 94 */ +enum{ + RFAL_NFCDEP_Bx_NO_HIGH_BR = 0x00, /*!< Peer supports no high bit rates */ + RFAL_NFCDEP_Bx_08_848 = 0x01, /*!< Peer also supports 848 */ + RFAL_NFCDEP_Bx_16_1695 = 0x02, /*!< Peer also supports 1695 */ + RFAL_NFCDEP_Bx_32_3390 = 0x04, /*!< Peer also supports 3390 */ + RFAL_NFCDEP_Bx_64_6780 = 0x08 /*!< Peer also supports 6780 */ +}; + +/*! Enumeration of NFC-DEP bit rate Dividor in PSL Digital 1.0 Table 100 */ +enum{ + RFAL_NFCDEP_Dx_01_106 = RFAL_BR_106, /*!< Divisor D = 1 : bit rate = 106 */ + RFAL_NFCDEP_Dx_02_212 = RFAL_BR_212, /*!< Divisor D = 2 : bit rate = 212 */ + RFAL_NFCDEP_Dx_04_424 = RFAL_BR_424, /*!< Divisor D = 4 : bit rate = 424 */ + RFAL_NFCDEP_Dx_08_848 = RFAL_BR_848, /*!< Divisor D = 8 : bit rate = 848 */ + RFAL_NFCDEP_Dx_16_1695 = RFAL_BR_1695, /*!< Divisor D = 16 : bit rate = 1695 */ + RFAL_NFCDEP_Dx_32_3390 = RFAL_BR_3390, /*!< Divisor D = 32 : bit rate = 3390 */ + RFAL_NFCDEP_Dx_64_6780 = RFAL_BR_6780 /*!< Divisor D = 64 : bit rate = 6780 */ +}; + +/*! Enumeration of NFC-DEP Length Reduction (LR) Digital 1.0 Table 91 */ +enum{ + RFAL_NFCDEP_LR_64 = 0x00, /*!< Maximum payload size is 64 bytes */ + RFAL_NFCDEP_LR_128 = 0x01, /*!< Maximum payload size is 128 bytes */ + RFAL_NFCDEP_LR_192 = 0x02, /*!< Maximum payload size is 192 bytes */ + RFAL_NFCDEP_LR_254 = 0x03 /*!< Maximum payload size is 254 bytes */ +}; + +/* + ****************************************************************************** + * GLOBAL DATA TYPES + ****************************************************************************** + */ + +/*! NFC-DEP callback to check if upper layer has deactivation pending */ +typedef bool (* rfalNfcDepDeactCallback)(void); + + +/*! Enumeration of the nfcip communication modes */ +typedef enum{ + RFAL_NFCDEP_COMM_PASSIVE, /*!< Passive communication mode */ + RFAL_NFCDEP_COMM_ACTIVE /*!< Active communication mode */ +} rfalNfcDepCommMode; + + +/*! Enumeration of the nfcip roles */ +typedef enum{ + RFAL_NFCDEP_ROLE_INITIATOR, /*!< Perform as Initiator */ + RFAL_NFCDEP_ROLE_TARGET /*!< Perform as Target */ +} rfalNfcDepRole; + + +/*! Struct that holds all NFCIP configs */ +typedef struct{ + + rfalNfcDepRole role; /*!< Current NFCIP role */ + rfalNfcDepCommMode commMode; /*!< Current NFCIP communication mode */ + uint8_t oper; /*!< Operation config similar to NCI 1.0 Table 81 */ + + uint8_t did; /*!< Current Device ID (DID) */ + uint8_t nad; /*!< Current Node Addressing (NAD) */ + uint8_t bs; /*!< Bit rate in Sending Direction */ + uint8_t br; /*!< Bit rate in Receiving Direction */ + uint8_t nfcid[RFAL_NFCDEP_NFCID3_LEN]; /*!< Pointer to the NFCID to be used */ + uint8_t nfcidLen; /*!< Length of the given NFCID in nfcid */ + uint8_t gb[RFAL_NFCDEP_GB_MAX_LEN]; /*!< Pointer General Bytes (GB) to be used */ + uint8_t gbLen; /*!< Length of the given GB in gb */ + uint8_t lr; /*!< Length Reduction (LR) to be used */ + uint8_t to; /*!< Timeout (TO) to be used */ + uint32_t fwt; /*!< Frame Waiting Time (FWT) to be used */ + uint32_t dFwt; /*!< Delta Frame Waiting Time (dFWT) to be used */ +} rfalNfcDepConfigs; + + +/*! ATR_REQ command Digital 1.1 16.6.2 */ +typedef struct { + uint8_t CMD1; /*!< Command format 0xD4 */ + uint8_t CMD2; /*!< Command Value */ + uint8_t NFCID3[RFAL_NFCDEP_NFCID3_LEN]; /*!< NFCID3 value */ + uint8_t DID; /*!< DID */ + uint8_t BSi; /*!< Sending Bitrate for Initiator */ + uint8_t BRi; /*!< Receiving Bitrate for Initiator */ + uint8_t PPi; /*!< Optional Parameters presence indicator */ + uint8_t GBi[RFAL_NFCDEP_GB_MAX_LEN]; /*!< General Bytes */ +} rfalNfcDepAtrReq; + + +/*! ATR_RES response Digital 1.1 16.6.3 */ +typedef struct { + uint8_t CMD1; /*!< Response Byte 0xD5 */ + uint8_t CMD2; /*!< Command Value */ + uint8_t NFCID3[RFAL_NFCDEP_NFCID3_LEN]; /*!< NFCID3 value */ + uint8_t DID; /*!< DID */ + uint8_t BSt; /*!< Sending Bitrate for Initiator */ + uint8_t BRt; /*!< Receiving Bitrate for Initiator */ + uint8_t TO; /*!< Timeout */ + uint8_t PPt; /*!< Optional Parameters presence indicator */ + uint8_t GBt[RFAL_NFCDEP_GB_MAX_LEN]; /*!< General Bytes */ +} rfalNfcDepAtrRes; + + +/*! Structure of transmit I-PDU Buffer format from caller */ +typedef struct +{ + uint8_t prologue[RFAL_NFCDEP_DEPREQ_HEADER_LEN]; /*!< Prologue space for NFC-DEP header*/ + uint8_t inf[RFAL_NFCDEP_FRAME_SIZE_MAX_LEN]; /*!< INF | Data area of the buffer */ +} rfalNfcDepBufFormat; + + +/*! Activation info as Initiator and Target */ +typedef union { + struct { + rfalNfcDepAtrRes ATR_RES; /*!< ATR RES (Initiator mode) */ + uint8_t ATR_RESLen; /*!< ATR RES length (Initiator mode) */ + }Target; /*!< Target */ + struct { + rfalNfcDepAtrReq ATR_REQ; /*!< ATR REQ (Target mode) */ + uint8_t ATR_REQLen; /*!< ATR REQ length (Target mode) */ + }Initiator; /*!< Initiator */ +} rfalNfcDepActivation; + + +/*! NFC-DEP device Info */ +typedef struct { + uint8_t GBLen; /*!< General Bytes length */ + uint8_t WT; /*!< FWT to be used (ignored in Listen Mode) */ + uint32_t FWT; /*!< FWT to be used (ignored in Listen Mode) */ + uint32_t dFWT; /*!< Delta FWT to be used */ + uint8_t LR; /*!< Length Reduction coding the max payload */ + uint16_t FS; /*!< Frame Size */ + rfalBitRate DSI; /*!< Bit Rate coding from Initiator to Target */ + rfalBitRate DRI; /*!< Bit Rate coding from Target to Initiator */ + uint8_t DID; /*!< Device ID (RFAL_NFCDEP_DID_NO if no DID) */ + uint8_t NAD; /*!< Node ADdress (RFAL_NFCDEP_NAD_NO if no NAD)*/ +} rfalNfcDepInfo; + + +/*! NFC-DEP Device structure */ +typedef struct { + rfalNfcDepActivation activation; /*!< Activation Info */ + rfalNfcDepInfo info; /*!< NFC-DEP device Info */ +} rfalNfcDepDevice; + + +/*! NFCIP Protocol structure for P2P Target + * + * operParam : derives from NFC-Forum NCI NFC-DEP Operation Parameter + * NCI 1.1 Table 86: NFC-DEP Operation Parameter + * and it's a bit mask composed as: + * [ 0000b + * | Chain SHALL use max. Transport Data Byte[1b] + * | I-PDU with no Transport Data SHALL NOT be sent [1b] + * | NFC-DEP Target SHALL NOT send RTOX request [1b] + * ] + * + */ +typedef struct{ + rfalNfcDepCommMode commMode; /*!< Initiator in Active P2P or Passive P2P*/ + uint8_t operParam; /*!< NFC-DEP Operation Parameter */ + uint8_t* nfcid; /*!< Initiator's NFCID2 or NFCID3 */ + uint8_t nfcidLen; /*!< Initiator's NFCID length (NFCID2/3) */ + uint8_t DID; /*!< Initiator's Device ID DID */ + uint8_t NAD; /*!< Initiator's Node ID NAD */ + uint8_t BS; /*!< Initiator's Bit Rates supported in Tx */ + uint8_t BR; /*!< Initiator's Bit Rates supported in Rx */ + uint8_t LR; /*!< Initiator's Length reduction */ + uint8_t* GB; /*!< Initiator's General Bytes (Gi) */ + uint8_t GBLen; /*!< Initiator's General Bytes length */ +} rfalNfcDepAtrParam; + + +/*! Structure of parameters to be passed in for nfcDepListenStartActivation */ +typedef struct +{ + rfalNfcDepBufFormat *rxBuf; /*!< Receive Buffer struct reference */ + uint16_t *rxLen; /*!< Receive INF data length in bytes*/ + bool *isRxChaining; /*!< Received data is not complete */ + rfalNfcDepDevice *nfcDepDev; /*!< NFC-DEP device info */ +} rfalNfcDepListenActvParam; + + +/*! NFCIP Protocol structure for P2P Target + * + * operParam : derives from NFC-Forum NCI NFC-DEP Operation Parameter + * NCI 1.1 Table 86: NFC-DEP Operation Parameter + * and it's a bit mask composed as: + * [ 0000b + * | Chain SHALL use max. Transport Data Byte[1b] + * | I-PDU with no Transport Data SHALL NOT be sent [1b] + * | NFC-DEP Target SHALL NOT send RTOX request [1b] + * ] + * + */ +typedef struct{ + rfalNfcDepCommMode commMode; /*!< Target in Active P2P or Passive P2P */ + uint8_t nfcid3[RFAL_NFCDEP_NFCID3_LEN]; /*!< Target's NFCID3 */ + uint8_t bst; /*!< Target's Bit Rates supported in Tx */ + uint8_t brt; /*!< Target's Bit Rates supported in Rx */ + uint8_t to; /*!< Target's timeout (TO) value */ + uint8_t ppt; /*!< Target's Presence optional Params(PPt)*/ + uint8_t GBt[RFAL_NFCDEP_GB_MAX_LEN]; /*!< Target's General Bytes (Gt) */ + uint8_t GBtLen; /*!< Target's General Bytes length */ + uint8_t operParam; /*!< NFC-DEP Operation Parameter */ +} rfalNfcDepTargetParam; + + +/*! Structure of parameters to be passed in for nfcDepStartIpduTransceive */ +typedef struct +{ + rfalNfcDepBufFormat *txBuf; /*!< Transmit Buffer struct reference */ + uint16_t txBufLen; /*!< Transmit Buffer INF field length in bytes */ + bool isTxChaining; /*!< Transmit data is not complete */ + rfalNfcDepBufFormat *rxBuf; /*!< Receive Buffer struct reference */ + uint16_t *rxLen; /*!< Receive INF data length */ + bool *isRxChaining; /*!< Received data is not complete */ + uint32_t FWT; /*!< FWT to be used (ignored in Listen Mode) */ + uint32_t dFWT; /*!< Delta FWT to be used */ + uint16_t FSx; /*!< Other device Frame Size (FSD or FSC) */ + uint8_t DID; /*!< Device ID (RFAL_ISODEP_NO_DID if no DID) */ +} rfalNfcDepTxRxParam; + + +/* + * ***************************************************************************** + * GLOBAL VARIABLE DECLARATIONS + ****************************************************************************** + */ + + +/* + ****************************************************************************** + * GLOBAL FUNCTION PROTOTYPES + ****************************************************************************** + */ + +/*! + ****************************************************************************** + * \brief NFCIP Initialize + * + * This method resets all NFC-DEP inner states, counters and context and sets + * default values + * + ****************************************************************************** + */ +void rfalNfcDepInitialize( void ); + + +/*! + ****************************************************************************** + * \brief Set deactivating callback + * + * Sets the deactivating callback so that nfcip layer can check if upper layer + * has a deactivation pending, and not perform error recovery upon specific + * errors + * + * \param[in] pFunc : method pointer to deactivation flag check + ****************************************************************************** + */ +void rfalNfcDepSetDeactivatingCallback( rfalNfcDepDeactCallback pFunc ); + + +/*! + ****************************************************************************** + * \brief Calculate Response Waiting Time + * + * Calculates the Response Waiting Time (RWT) from the given Waiting Time (WT) + * + * \param[in] wt : the WT value to calculate RWT + * + * \return RWT value + ****************************************************************************** + */ +uint32_t rfalNfcDepCalculateRWT( uint8_t wt ); + + +/*! + ****************************************************************************** + * \brief NFC-DEP Initiator ATR (Attribute Request) + * + * This method configures the NFC-DEP layer with given parameters and then + * sends an ATR to the Target with and checks for a valid response response + * + * \param[in] param : parameters to initialize and compose the ATR + * \param[out] atrRes : location to store the ATR_RES + * \param[out] atrResLen : length of the ATR_RES received + * + * \return ERR_NONE : No error + * \return ERR_TIMEOUT : Timeout occurred + * \return ERR_PROTO : Protocol error occurred + ****************************************************************************** + */ +ReturnCode rfalNfcDepATR( rfalNfcDepAtrParam* param, rfalNfcDepAtrRes *atrRes, uint8_t* atrResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief NFC-DEP Initiator PSL (Parameter Selection) + * + * This method sends a PSL to the Target with the given parameters and checks + * for a valid response response + * + * The parameters must be coded according to Digital 1.1 16.7.1 + * + * \param[in] BRS : the selected Bit Rates for Initiator and Target + * \param[in] FSL : the maximum length of Commands and Responses + * + * \return ERR_NONE : No error + * \return ERR_TIMEOUT : Timeout occurred + * \return ERR_PROTO : Protocol error occurred + ****************************************************************************** + */ +ReturnCode rfalNfcDepPSL( uint8_t BRS, uint8_t FSL, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief NFC-DEP Initiator DSL (Deselect) + * + * This method checks if the NFCIP module is configured as initiator and if + * so sends a DSL REQ, waits the target's response and checks it + * + * In case of performing as target no action is taken + * + * \return ERR_NONE : No error + * \return ERR_TIMEOUT : Timeout occurred + * \return ERR_MAX_RERUNS : Timeout occurred + * \return ERR_PROTO : Protocol error occurred + ****************************************************************************** + */ +ReturnCode rfalNfcDepDSL( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief NFC-DEP Initiator RLS (Release) + * + * This method checks if the NFCIP module is configured as initiator and if + * so sends a RLS REQ, waits target's response and checks it + * + * In case of performing as target no action is taken + * + * \return ERR_NONE : No error + * \return ERR_TIMEOUT : Timeout occurred + * \return ERR_MAX_RERUNS : Timeout occurred + * \return ERR_PROTO : Protocol error occurred + ****************************************************************************** + */ +ReturnCode rfalNfcDepRLS( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-DEP Initiator Handle Activation + * + * This performs a Activation into NFC-DEP layer with the given + * parameters. It sends ATR_REQ and if the higher bit rates are supported by + * both devices it additionally sends PSL + * Once Activated all details of the device are provided on nfcDepDev + * + * \param[in] param : required parameters to initialize and send ATR_REQ + * \param[in] desiredBR : Desired bit rate supported by the Poller + * \param[out] nfcDepDev : NFC-DEP information of the activated Listen device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, activation successful + ***************************************************************************** + */ +ReturnCode rfalNfcDepInitiatorHandleActivation( rfalNfcDepAtrParam* param, rfalBitRate desiredBR, rfalNfcDepDevice* nfcDepDev, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ****************************************************************************** + * \brief Check if buffer contains valid ATR_REQ + * + * This method checks if the given ATR_REQ is valid + * + * + * \param[in] buf : buffer holding Initiator's received request + * \param[in] bufLen : size of the msg contained on the buf in Bytes + * \param[out] nfcid3 : pointer to where the NFCID3 may be outputed, + * nfcid3 has NFCF_SENSF_NFCID3_LEN as length + * Pass NULL if output parameter not desired + * + * \return true : Valid ATR_REQ received, the ATR_RES has been computed in txBuf + * \return false : Invalid protocol request + * + ****************************************************************************** + */ +bool rfalNfcDepIsAtrReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid3 ); + + +/*! + ****************************************************************************** + * \brief Check is Target has received ATR + * + * This method checks if the NFCIP module is configured as target and if a + * ATR REQ has been received ( whether is in activation or in data exchange) + * + * \return true : a ATR has already been received + * \return false : no ATR has been received + ****************************************************************************** + */ +bool rfalNfcDepTargetRcvdATR( void ); + +/*! + ***************************************************************************** + * \brief NFCDEP Start Listen Activation Handling + * + * Start Activation Handling and setup to receive first frame which may + * contain complete or partial DEP-REQ after activation is completed + * + * Pass in ATR_REQ for NFC-DEP to handle ATR_RES. The Activation Handling + * handles ATR_RES and PSL_RES if a PSL_REQ is received + * + * Activation is completed if PSL_RES is sent or if first I-PDU is received + * + * \ref rfalNfcDepListenGetActivationStatus() provide status of the + * ongoing activation + * + * \warning nfcDepGetTransceiveStatus() shall be called right after activation + * is completed (i.e. rfalNfcDepListenGetActivationStatus() return ERR_NONE) + * to check for first received frame. + * + * \param[in] param : Target parameters to be used + * \param[in] atrReq : reference to buffer containing ATR_REQ + * \param[in] atrReqLength: Length of ATR_REQ + * \param[out] rxParam : references to buffer, length and chaining indication + * for first complete LLCP to be received + * + * \return ERR_NONE : ATR_REQ is valid and activation ongoing + * \return ERR_PARAM : ATR_REQ or other params are invalid + * \return ERR_LINK_LOSS : Remote Field is turned off + ***************************************************************************** + */ +ReturnCode rfalNfcDepListenStartActivation( rfalNfcDepTargetParam *param, uint8_t *atrReq, uint16_t atrReqLength, rfalNfcDepListenActvParam rxParam, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Get the current NFC-DEP Activation Status + * + * \return ERR_NONE : Activation has completed successfully + * \return ERR_BUSY : Activation is ongoing + * \return ERR_LINK_LOSS : Remote Field was turned off + ***************************************************************************** + */ +ReturnCode rfalNfcDepListenGetActivationStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Start Transceive + * + * Transceives a complete or partial DEP block + * + * The txBuf contains complete or partial of DEP to be transmitted. + * The Prologue field of the I-PDU is handled internally + * + * If the buffer contains partial LLCP and is not the last block, then + * isTxChaining must be set to true + * + * \param[in] param: reference parameters to be used for the Transceive + * + * \return ERR_PARAM : Bad request + * \return ERR_WRONG_STATE : The module is not in a proper state + * \return ERR_NONE : The Transceive request has been started + ***************************************************************************** + */ +ReturnCode rfalNfcDepStartTransceive( rfalNfcDepTxRxParam *param ); + + +/*! + ***************************************************************************** + * \brief Return the Transceive status + * + * Returns the status of the NFC-DEP Transceive + * + * \warning When the other device is performing chaining once a chained + * block is received the error ERR_AGAIN is sent. At this point + * caller must handle the received data immediately. + * When ERR_AGAIN is returned an ACK has already been sent to + * the other device and the next block might be incoming. + * If rfalWorker() is called frequently it will place the next + * block on the given buffer + * + * \return ERR_NONE : Transceive has been completed successfully + * \return ERR_BUSY : Transceive is ongoing + * \return ERR_PROTO : Protocol error occurred + * \return ERR_TIMEOUT : Timeout error occurred + * \return ERR_SLEEP_REQ : Deselect has been received and responded + * \return ERR_NOMEM : The received I-PDU does not fit into the + * receive buffer + * \return ERR_LINK_LOSS : Communication is lost because Reader/Writer + * has turned off its field + * \return ERR_AGAIN : received one chaining block, continue to call + * this method to retrieve the remaining blocks + ***************************************************************************** + */ +ReturnCode rfalNfcDepGetTransceiveStatus( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +#endif /* RFAL_NFCDEP_H_ */ + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfca.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,555 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfca.c + * + * \author Gustavo Patricio + * + * \brief Provides several NFC-A convenience methods and definitions + * + * It provides a Poller (ISO14443A PCD) interface and as well as + * some NFC-A Listener (ISO14443A PICC) helpers. + * + * The definitions and helpers methods provided by this module are only + * up to ISO14443-3 layer + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include <platform1.h> +#include "rfal_nfca.h" +#include "utils.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_NFCA + #error " RFAL: Module configuration missing. Please enable/disable NFC-A module by setting: RFAL_FEATURE_NFCA " +#endif + +#if RFAL_FEATURE_NFCA + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_NFCA_SLP_FWT rfalConvMsTo1fc(1) /*!< Check 1ms for any modulation ISO14443-3 6.4.3 */ +#define RFAL_NFCA_SLP_CMD 0x50 /*!< SLP cmd (byte1) Digital 1.1 6.9.1 & Table 20 */ +#define RFAL_NFCA_SLP_BYTE2 0x00 /*!< SLP byte2 Digital 1.1 6.9.1 & Table 20 */ +#define RFAL_NFCA_SLP_CMD_POS 0 /*!< SLP cmd position Digital 1.1 6.9.1 & Table 20 */ +#define RFAL_NFCA_SLP_BYTE2_POS 1 /*!< SLP byte2 position Digital 1.1 6.9.1 & Table 20 */ + +#define RFAL_NFCA_SDD_CT 0x88 /*!< Cascade Tag value Digital 1.1 6.7.2 */ +#define RFAL_NFCA_SDD_CT_LEN 1 /*!< Cascade Tag length */ + +#define RFAL_NFCA_SLP_REQ_LEN 2 /*!< SLP_REQ length */ + +#define RFAL_NFCA_SEL_CMD_LEN 1 /*!< SEL_CMD length */ +#define RFAL_NFCA_SEL_PAR_LEN 1 /*!< SEL_PAR length */ +#define RFAL_NFCA_SEL_SELPAR rfalNfcaSelPar(7, 0)/*!< SEL_PAR on Select is always with 4 data/nfcid */ +#define RFAL_NFCA_BCC_LEN 1 /*!< BCC length */ + +#define RFAL_NFCA_SDD_REQ_LEN (RFAL_NFCA_SEL_CMD_LEN + RFAL_NFCA_SEL_PAR_LEN) /*!< SDD_REQ length */ +#define RFAL_NFCA_SDD_RES_LEN (RFAL_NFCA_CASCADE_1_UID_LEN + RFAL_NFCA_BCC_LEN) /*!< SDD_RES length */ + +#define RFAL_NFCA_T_RETRANS 5 /*!< t RETRANSMISSION [3, 33]ms EMVCo 2.6 A.5 */ +#define RFAL_NFCA_N_RETRANS 2 /*!< Number of retries EMVCo 2.6 9.6.1.3 */ + + +/*! SDD_REQ (Select) Cascade Levels */ +enum +{ + RFAL_NFCA_SEL_CASCADE_L1 = 0, /*!< SDD_REQ Cascade Level 1 */ + RFAL_NFCA_SEL_CASCADE_L2 = 1, /*!< SDD_REQ Cascade Level 2 */ + RFAL_NFCA_SEL_CASCADE_L3 = 2 /*!< SDD_REQ Cascade Level 3 */ +}; + +/*! SDD_REQ (Select) request Cascade Level command Digital 1.1 Table 15 */ +enum +{ + RFAL_NFCA_CMD_SEL_CL1 = 0x93, /*!< SDD_REQ command Cascade Level 1 */ + RFAL_NFCA_CMD_SEL_CL2 = 0x95, /*!< SDD_REQ command Cascade Level 2 */ + RFAL_NFCA_CMD_SEL_CL3 = 0x97, /*!< SDD_REQ command Cascade Level 3 */ +}; + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ +#define rfalNfcaSelPar( nBy, nbi ) (((nBy<<4) & 0xF0) | (nbi&0x0F) ) /*!< Calculates SEL_PAR with the bytes/bits to be sent */ +#define rfalNfcaCLn2SELCMD( cl ) (RFAL_NFCA_CMD_SEL_CL1 + (2*cl)) /*!< Calculates SEL_CMD with the given cascade level */ +#define rfalNfcaNfcidLen2CL( l ) (l / 5) /*!< Calculates cascade level by the NFCID length */ + +/*! Executes the given Tx method (f) and if a Timeout error is detected it retries (rt) times performing a delay of (dl) in between */ +#define rfalNfcaTxRetry( r, f, rt, dl ) {uint8_t rts=rt; do{ r=f; if((rt!=0)&&(dl!=0)) platformDelay(dl); }while((r==ERR_TIMEOUT) && (rts--)); } + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! SLP_REQ (HLTA) format Digital 1.1 6.9.1 & Table 20 */ +typedef struct +{ + uint8_t frame[RFAL_NFCA_SLP_REQ_LEN]; /*!< SLP: 0x50 0x00 */ +} rfalNfcaSlpReq; + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +static uint8_t rfalNfcaCalculateBcc( uint8_t* buf, uint8_t bufLen ); + + +/* + ****************************************************************************** + * LOCAL FUNCTIONS + ****************************************************************************** + */ + +static uint8_t rfalNfcaCalculateBcc( uint8_t* buf, uint8_t bufLen ) +{ + uint8_t i; + uint8_t BCC; + + BCC = 0; + + /* BCC is XOR over first 4 bytes of the SDD_RES Digital 1.1 6.7.2 */ + for(i = 0; i < bufLen; i++) + { + BCC ^= *(buf + i); + } + + return BCC; +} + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR( ret, rfalSetMode( RFAL_MODE_POLL_NFCA, RFAL_BR_106, RFAL_BR_106, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC ); + + rfalSetGT( RFAL_GT_NFCA ); + rfalSetFDTListen( RFAL_FDT_LISTEN_NFCA_POLLER ); + rfalSetFDTPoll( RFAL_FDT_POLL_NFCA_POLLER ); + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerCheckPresence( rfal14443AShortFrameCmd cmd, rfalNfcaSensRes *sensRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rcvLen; + + /* Digital 1.1 6.10.1.3 For Commands ALL_REQ, SENS_REQ, SDD_REQ, and SEL_REQ, the NFC Forum Device * + * MUST treat receipt of a Listen Frame at a time after FDT(Listen, min) as a Timeour Error */ + + ret = rfalISO14443ATransceiveShortFrame( cmd, (uint8_t*)sensRes, rfalConvBytesToBits(sizeof(rfalNfcaSensRes)), &rcvLen, RFAL_NFCA_FDTMIN, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( (ERR_NO_MASK(ret) == ERR_RF_COLLISION) || (ERR_NO_MASK(ret) == ERR_CRC) || (ERR_NO_MASK(ret) == ERR_NOMEM) || + (ERR_NO_MASK(ret) == ERR_FRAMING) || (ERR_NO_MASK(ret) == ERR_PAR) ) + { + ret = ERR_NONE; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcaSensRes *sensRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR( ret, rfalNfcaPollerCheckPresence( ((compMode == RFAL_COMPLIANCE_MODE_EMV) ? RFAL_14443A_SHORTFRAME_CMD_WUPA : RFAL_14443A_SHORTFRAME_CMD_REQA), sensRes , mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Send SLP_REQ as Activity 1.1 9.2.3.6 and EMVCo 2.6 9.2.1.3 */ + if( compMode != RFAL_COMPLIANCE_MODE_ISO) + { + EXIT_ON_ERR( ret, rfalNfcaPollerSleep( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerSingleCollisionResolution( uint8_t devLimit, bool *collPending, rfalNfcaSelRes *selRes, uint8_t *nfcId1, uint8_t *nfcId1Len, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t i; + ReturnCode ret; + rfalNfcaSelReq selReq; + uint16_t bytesRx; + uint8_t bytesTxRx; + uint8_t bitsTxRx; + + /* Check parameters */ + if( (collPending == NULL) || (selRes == NULL) || (nfcId1 == NULL) || (nfcId1Len == NULL) ) + { + return ERR_PARAM; + } + + /* Initialize output parameters */ + *collPending = false; /* Activity 1.1 9.3.4.6 */ + *nfcId1Len = 0; + ST_MEMSET( nfcId1, 0x00, RFAL_NFCA_CASCADE_3_UID_LEN ); + + /*******************************************************************************/ + /* Go through all Cascade Levels Activity 1.1 9.3.4 */ + for( i = RFAL_NFCA_SEL_CASCADE_L1; i <= RFAL_NFCA_SEL_CASCADE_L3; i++) + { + /* Initialize the SDD_REQ to send for the new cascade level */ + ST_MEMSET( (uint8_t*)&selReq, 0x00, sizeof(rfalNfcaSelReq) ); + selReq.selCmd = rfalNfcaCLn2SELCMD(i); + + bytesTxRx = RFAL_NFCA_SDD_REQ_LEN; + bitsTxRx = 0; + + /*******************************************************************************/ + /* Go through Collision loop */ + do + { + /* Calculate SEL_PAR with the bytes/bits to be sent */ + selReq.selPar = rfalNfcaSelPar(bytesTxRx, bitsTxRx); + + /* Send SDD_REQ (Anticollision frame) - Retry upon timeout EMVCo 2.6 9.6.1.3 */ + rfalNfcaTxRetry( ret, rfalISO14443ATransceiveAnticollisionFrame( (uint8_t*)&selReq, &bytesTxRx, &bitsTxRx, &bytesRx, RFAL_NFCA_FDTMIN, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) , ((devLimit==0)?RFAL_NFCA_N_RETRANS:0), RFAL_NFCA_T_RETRANS); + + bytesRx = rfalConvBitsToBytes(bytesRx); + + if( ret == ERR_RF_COLLISION ) + { + /* Check received length */ + if( (bytesTxRx + (bitsTxRx ? 1 : 0)) > (RFAL_NFCA_CASCADE_1_UID_LEN + RFAL_NFCA_SDD_REQ_LEN) ) + { + return ERR_PROTO; + } + + if( (devLimit == 0) && !(*collPending) ) + { + /* Activity 1.0 & 1.1 9.3.4.12: If CON_DEVICES_LIMIT has a value of 0, then + * NFC Forum Device is configured to perform collision detection only */ + *collPending = true; + return ERR_IGNORE; + } + + *collPending = true; + + /* Set and select the collision bit, with the number of bytes/bits successfully TxRx */ + *((uint8_t*)&selReq + bytesTxRx) |= (1 << bitsTxRx); + bitsTxRx++; + + /* Check if number of bits form a byte */ + if( bitsTxRx == RFAL_BITS_IN_BYTE ) + { + bitsTxRx = 0; + bytesTxRx++; + } + } + }while ((ret == ERR_RF_COLLISION) && (RFAL_NFCA_SDD_RES_LEN != bytesRx) ); /* BCC byte should not have collision if NFCID1 data are same */ + + + /*******************************************************************************/ + /* Check if Collision loop has failed */ + if( ret != ERR_NONE ) + { + return ret; + } + + + /* If collisions are to be reported check whether the response is complete */ + if( (devLimit == 0) && (bytesRx != sizeof(rfalNfcaSddRes)) ) + { + return ERR_PROTO; + } + + /* Check if the received BCC match */ + if( selReq.bcc != rfalNfcaCalculateBcc( selReq.nfcid1, RFAL_NFCA_CASCADE_1_UID_LEN ) ) + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Anticollision OK, Select this Cascade Level */ + selReq.selPar = RFAL_NFCA_SEL_SELPAR; + + /* Send SEL_REQ (Select command) - Retry upon timeout EMVCo 2.6 9.6.1.3 */ + rfalNfcaTxRetry( ret, rfalTransceiveBlockingTxRx( (uint8_t*)&selReq, sizeof(rfalNfcaSelReq), (uint8_t*)selRes, sizeof(rfalNfcaSelRes), &bytesRx, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCA_FDTMIN, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) , ((devLimit==0)?RFAL_NFCA_N_RETRANS:0), RFAL_NFCA_T_RETRANS); + + if( ret != ERR_NONE ) + return ret; + + + /* Ensure proper response length */ + if( bytesRx != sizeof(rfalNfcaSelRes) ) + { + return ERR_PROTO; + } + + /*******************************************************************************/ + /* Check cascade byte, if cascade tag then go next cascade level */ + if( (ret == ERR_NONE) && (*selReq.nfcid1 == RFAL_NFCA_SDD_CT) ) + { + /* Cascade Tag present, store nfcid1 bytes (excluding cascade tag) and continue for next CL */ + ST_MEMCPY( (nfcId1 + *nfcId1Len), ((uint8_t*)&selReq.nfcid1 + RFAL_NFCA_SDD_CT_LEN), (RFAL_NFCA_CASCADE_1_UID_LEN - RFAL_NFCA_SDD_CT_LEN) ); + *nfcId1Len += (RFAL_NFCA_CASCADE_1_UID_LEN - RFAL_NFCA_SDD_CT_LEN); + } + else + { + /* UID Selection complete, Stop Cascade Level loop */ + ST_MEMCPY( (nfcId1 + *nfcId1Len), (uint8_t*)&selReq.nfcid1, RFAL_NFCA_CASCADE_1_UID_LEN ); + *nfcId1Len += RFAL_NFCA_CASCADE_1_UID_LEN; + return ERR_NONE; + } + } + return ERR_INTERNAL; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerFullCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + bool collPending; + rfalNfcaSensRes sensRes; + uint16_t rcvLen; + + if( (nfcaDevList == NULL) || (devCnt == NULL) ) + { + return ERR_PARAM; + } + + *devCnt = 0; + ret = ERR_NONE; + + /*******************************************************************************/ + /* Send ALL_REQ before Anticollision if a Sleep was sent before Activity 1.1 9.3.4.1 and EMVco 2.6 9.3.2.1 */ + if( compMode != RFAL_COMPLIANCE_MODE_ISO ) + { + ret = rfalISO14443ATransceiveShortFrame( RFAL_14443A_SHORTFRAME_CMD_WUPA, (uint8_t*)&nfcaDevList->sensRes, rfalConvBytesToBits(sizeof(rfalNfcaSensRes)), &rcvLen, RFAL_NFCA_FDTMIN, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if(ret != ERR_NONE) + { + if( (compMode == RFAL_COMPLIANCE_MODE_EMV) || ((ret != ERR_RF_COLLISION) && (ret != ERR_CRC) && (ret != ERR_FRAMING) && (ret != ERR_PAR)) ) + { + return ret; + } + } + + /* Check proper SENS_RES/ATQA size */ + if( (ret == ERR_NONE) && (rfalConvBytesToBits(sizeof(rfalNfcaSensRes)) != rcvLen) ) + { + return ERR_PROTO; + } + } + + + #if RFAL_FEATURE_T1T + /*******************************************************************************/ + /* Only check for T1T if previous SENS_RES was received without a transmission * + * error. When collisions occur bits in the SENS_RES may look like a T1T */ + /* If T1T Anticollision is not supported Activity 1.1 9.3.4.3 */ + if( rfalNfcaIsSensResT1T( &nfcaDevList->sensRes ) && (devLimit != 0) && (ret == ERR_NONE) && (compMode != RFAL_COMPLIANCE_MODE_EMV) ) + { + /* RID_REQ shall be performed with rfalT1TPollerRid() Activity 1.1 9.3.4.24 */ + rfalT1TPollerInitialize( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + EXIT_ON_ERR( ret, rfalT1TPollerRid( &nfcaDevList->ridRes, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* T1T doesn't support Anticollision */ + *devCnt = 1; + nfcaDevList->isSleep = false; + nfcaDevList->type = RFAL_NFCA_T1T; + nfcaDevList->nfcId1Len = RFAL_NFCA_CASCADE_1_UID_LEN; + ST_MEMCPY( &nfcaDevList->nfcId1, &nfcaDevList->ridRes.uid, RFAL_NFCA_CASCADE_1_UID_LEN ); + + return ERR_NONE; + } + #endif /* RFAL_FEATURE_T1T */ + + /*******************************************************************************/ + /* Store the SENS_RES from Technology Detection or from WUPA */ + sensRes = nfcaDevList->sensRes; + + ST_MEMSET( nfcaDevList, 0x00, (sizeof(rfalNfcaListenDevice) * devLimit) ); + + /* Restore the prev SENS_RES, assuming that the SENS_RES received is from first device + * When only one device is detected it's not woken up then we'll have no SENS_RES (ATQA) */ + nfcaDevList->sensRes = sensRes; + + + /*******************************************************************************/ + do + { + EXIT_ON_ERR( ret, rfalNfcaPollerSingleCollisionResolution( devLimit, &collPending, &nfcaDevList[*devCnt].selRes, (uint8_t*)&nfcaDevList[*devCnt].nfcId1, (uint8_t*)&nfcaDevList[*devCnt].nfcId1Len, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Assign Listen Device */ + nfcaDevList[*devCnt].type = (rfalNfcaListenDeviceType) (nfcaDevList[*devCnt].selRes.sak & RFAL_NFCA_SEL_RES_CONF_MASK); + nfcaDevList[*devCnt].isSleep = false; + (*devCnt)++; + + + /* If a collision was detected and device counter is lower than limit Activity 1.1 9.3.4.21 */ + if( (*devCnt < devLimit) && ((collPending) || (compMode != RFAL_COMPLIANCE_MODE_ISO) ) ) + { + /* Put this device to Sleep Activity 1.1 9.3.4.22 */ + EXIT_ON_ERR( ret, rfalNfcaPollerSleep( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + nfcaDevList[(*devCnt - 1)].isSleep = true; + + + /* Send a new SENS_REQ to check for other cards Activity 1.1 9.3.4.23 */ + ret = rfalNfcaPollerCheckPresence( RFAL_14443A_SHORTFRAME_CMD_REQA, &nfcaDevList[*devCnt].sensRes, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_TIMEOUT ) + { + /* No more devices found */ + return ERR_NONE; + } + /* Another device found, continue loop */ + collPending = true; + } + else + { + return ERR_NONE; + } + }while( (*devCnt < devLimit) && (collPending) ); + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerSelect( uint8_t *nfcid1, uint8_t nfcidLen, rfalNfcaSelRes *selRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t i; + uint8_t cl; + uint8_t nfcidOffset; + uint16_t rxLen; + ReturnCode ret; + rfalNfcaSelReq selReq; + + if( (nfcid1 == NULL) || (nfcidLen > RFAL_NFCA_CASCADE_3_UID_LEN) || (selRes == NULL) ) + { + return ERR_PARAM; + } + + + /* Calculate Cascate Level */ + cl = rfalNfcaNfcidLen2CL( nfcidLen ); + nfcidOffset = 0; + + /*******************************************************************************/ + /* Go through all Cascade Levels Activity 1.1 9.4.4 */ + for( i = RFAL_NFCA_SEL_CASCADE_L1; i <= cl; i++ ) + { + /* Assign SEL_CMD according to the CLn and SEL_PAR*/ + selReq.selCmd = rfalNfcaCLn2SELCMD(i); + selReq.selPar = RFAL_NFCA_SEL_SELPAR; + + /* Compute NFCID/Data on the SEL_REQ command Digital 1.1 Table 18 */ + if( cl != i ) + { + *selReq.nfcid1 = RFAL_NFCA_SDD_CT; + ST_MEMCPY( (selReq.nfcid1 + RFAL_NFCA_SDD_CT_LEN ), (nfcid1 + nfcidOffset), (RFAL_NFCA_CASCADE_1_UID_LEN - RFAL_NFCA_SDD_CT_LEN) ); + nfcidOffset += (RFAL_NFCA_CASCADE_1_UID_LEN - RFAL_NFCA_SDD_CT_LEN); + } + else + { + ST_MEMCPY( selReq.nfcid1, (nfcid1 + nfcidOffset), RFAL_NFCA_CASCADE_1_UID_LEN ); + } + + /* Calculate nfcid's BCC */ + selReq.bcc = rfalNfcaCalculateBcc( (uint8_t*)&selReq.nfcid1, sizeof(selReq.nfcid1) ); + + /*******************************************************************************/ + /* Send SEL_REQ */ + EXIT_ON_ERR( ret, rfalTransceiveBlockingTxRx( (uint8_t*)&selReq, sizeof(rfalNfcaSelReq), (uint8_t*)selRes, sizeof(rfalNfcaSelRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCA_FDTMIN, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Ensure proper response length */ + if( rxLen != sizeof(rfalNfcaSelRes) ) + { + return ERR_PROTO; + } + } + + /* REMARK: Could check if NFCID1 is complete */ + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcaPollerSleep( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcaSlpReq slpReq; + uint8_t rxBuf; /* dummy buffer, just to perform Rx */ + + slpReq.frame[RFAL_NFCA_SLP_CMD_POS] = RFAL_NFCA_SLP_CMD; + slpReq.frame[RFAL_NFCA_SLP_BYTE2_POS] = RFAL_NFCA_SLP_BYTE2; + + /* ISO14443-3 6.4.3 HLTA - If PICC responds with any modulation during 1 ms this response shall be interpreted as not acknowledge */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&slpReq, sizeof(rfalNfcaSlpReq), &rxBuf, sizeof(rxBuf), NULL, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCA_SLP_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret != ERR_TIMEOUT ) + { + return ret; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +bool rfalNfcaListenerIsSleepReq( uint8_t *buf, uint16_t bufLen ) +{ + /* Check if length and payload match */ + if( (bufLen != sizeof(rfalNfcaSlpReq)) || (buf[RFAL_NFCA_SLP_CMD_POS] != RFAL_NFCA_SLP_CMD) || (buf[RFAL_NFCA_SLP_BYTE2_POS] != RFAL_NFCA_SLP_BYTE2) ) + { + return false; + } + + return true; +} + +#endif /* RFAL_FEATURE_NFCA */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfca.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,386 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfca.h + * + * \author Gustavo Patricio + * + * \brief Provides several NFC-A convenience methods and definitions + * + * It provides a Poller (ISO14443A PCD) interface and as well as + * some NFC-A Listener (ISO14443A PICC) helpers. + * + * The definitions and helpers methods provided by this module are only + * up to ISO14443-3 layer + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup NFC-A + * @brief RFAL NFC-A Module + * @{ + * + */ + + +#ifndef RFAL_NFCA_H +#define RFAL_NFCA_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" +#include "rfal_t1t.h" + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_NFCA_CASCADE_1_UID_LEN 4 /*!< UID length of cascade level 1 only tag */ +#define RFAL_NFCA_CASCADE_2_UID_LEN 7 /*!< UID length of cascade level 2 only tag */ +#define RFAL_NFCA_CASCADE_3_UID_LEN 10 /*!< UID length of cascade level 3 only tag */ + +#define RFAL_NFCA_SENS_RES_PLATFORM_MASK 0x0F /*!< SENS_RES (ATQA) platform configuration mask Digital 1.1 Table 10 */ +#define RFAL_NFCA_SENS_RES_PLATFORM_T1T 0x0C /*!< SENS_RES (ATQA) T1T platform configuration Digital 1.1 Table 10 */ + +#define RFAL_NFCA_SEL_RES_CONF_MASK 0x60 /*!< SEL_RES (SAK) platform configuration mask Digital 1.1 Table 19 */ +#define RFAL_NFCA_SEL_RES_CONF_T2T 0x00 /*!< SEL_RES (SAK) T2T configuration Digital 1.1 Table 19 */ +#define RFAL_NFCA_SEL_RES_CONF_T4T 0x20 /*!< SEL_RES (SAK) T4T configuration Digital 1.1 Table 19 */ +#define RFAL_NFCA_SEL_RES_CONF_NFCDEP 0x40 /*!< SEL_RES (SAK) NFC-DEP configuration Digital 1.1 Table 19 */ +#define RFAL_NFCA_SEL_RES_CONF_T4T_NFCDEP 0x60 /*!< SEL_RES (SAK) T4T and NFC-DEP configuration Digital 1.1 Table 19 */ + + +/*! NFC-A minimum FDT(listen) = ((n * 128 + (84)) / fc) with n_min = 9 Digital 1.1 6.10.1 + * = (1236)/fc + * Relax with 3etu: (3*128)/fc as with multiple NFC-A cards, response may take longer (JCOP cards) + * = (1236 + 384)/fc = 1620 / fc */ +#define RFAL_NFCA_FDTMIN 1620 +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +/*! Checks if device is a T1T given its SENS_RES */ +#define rfalNfcaIsSensResT1T( sensRes ) ((((rfalNfcaSensRes*)sensRes)->platformInfo & RFAL_NFCA_SENS_RES_PLATFORM_MASK) == RFAL_NFCA_SENS_RES_PLATFORM_T1T ) + +/*! Checks if device is a T2T given its SENS_RES */ +#define rfalNfcaIsSelResT2T( selRes ) ((((rfalNfcaSelRes*)selRes)->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T2T ) + +/*! Checks if device is a T4T given its SENS_RES */ +#define rfalNfcaIsSelResT4T( selRes ) ((((rfalNfcaSelRes*)selRes)->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T4T ) + +/*! Checks if device supports NFC-DEP protocol given its SENS_RES */ +#define rfalNfcaIsSelResNFCDEP( selRes ) ((((rfalNfcaSelRes*)selRes)->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_NFCDEP ) + +/*! Checks if device supports ISO-DEP and NFC-DEP protocol given its SENS_RES */ +#define rfalNfcaIsSelResT4TNFCDEP( selRes ) ((((rfalNfcaSelRes*)selRes)->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T4T_NFCDEP ) + +/*! Checks if a NFC-A listener device supports multiple protocols (ISO-DEP and NFC-DEP) */ +#define rfalNfcaLisDevIsMultiProto( lisDev ) (((rfalNfcaListenDevice*)lisDev)->type == RFAL_NFCA_T4T_NFCDEP ) + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! NFC-A Listen device types */ +typedef enum { + RFAL_NFCA_T1T = 0x01, /* Device configured for T1T Digital 1.1 Table 9 */ + RFAL_NFCA_T2T = 0x00, /* Device configured for T2T Digital 1.1 Table 19 */ + RFAL_NFCA_T4T = 0x20, /* Device configured for T4T Digital 1.1 Table 19 */ + RFAL_NFCA_NFCDEP = 0x40, /* Device configured for NFC-DEP Digital 1.1 Table 19 */ + RFAL_NFCA_T4T_NFCDEP = 0x60 /* Device configured for NFC-DEP and T4T Digital 1.1 Table 19 */ +} rfalNfcaListenDeviceType; + + +/*! SENS_RES (ATQA) format Digital 1.1 6.6.3 & Table 7 */ +typedef struct +{ + uint8_t anticollisionInfo; /*!< SENS_RES Anticollision Information */ + uint8_t platformInfo; /*!< SENS_RES Platform Information */ +} rfalNfcaSensRes; + + +/*! SDD_REQ (Anticollision) format Digital 1.1 6.7.1 & Table 11 */ +typedef struct +{ + uint8_t selCmd; /*!< SDD_REQ SEL_CMD: cascade Level */ + uint8_t selPar; /*!< SDD_REQ SEL_PAR: Byte Count[4b] | Bit Count[4b] (NVB: Number of Valid Bits)*/ +} rfalNfcaSddReq; + + +/*! SDD_RES (UID CLn) format Digital 1.1 6.7.2 & Table 15 */ +typedef struct +{ + uint8_t nfcid1[RFAL_NFCA_CASCADE_1_UID_LEN]; /*!< NFCID1 cascade level NFCID */ + uint8_t bcc; /*!< BCC Exclusive-OR over first 4 bytes of SDD_RES */ +} rfalNfcaSddRes; + + +/*! SEL_REQ (Select) format Digital 1.1 6.8.1 & Table 17 */ +typedef struct +{ + uint8_t selCmd; /*!< SDD_REQ SEL_CMD: cascade Level */ + uint8_t selPar; /*!< SDD_REQ SEL_PAR: Byte Count[4b] | Bit Count[4b] (NVB: Number of Valid Bits)*/ + uint8_t nfcid1[RFAL_NFCA_CASCADE_1_UID_LEN]; /*!< NFCID1 data */ + uint8_t bcc; /*!< Checksum calculated as exclusive-OR over the 4 bytes of NFCID1 CLn */ +} rfalNfcaSelReq; + + +/*! SEL_RES (SAK) format Digital 1.1 6.8.2 & Table 19 */ +typedef struct +{ + uint8_t sak; /*!< Select Acknowledge */ +} rfalNfcaSelRes; + + +/*! NFC-A listener device (PICC) struct */ +typedef struct +{ + rfalNfcaListenDeviceType type; /*!< NFC-A Listen device type */ + rfalNfcaSensRes sensRes; /*!< SENS_RES (ATQA) */ + rfalNfcaSelRes selRes; /*!< SEL_RES (SAK) */ + uint8_t nfcId1Len; /*!< NFCID1 Length */ + uint8_t nfcId1[RFAL_NFCA_CASCADE_3_UID_LEN]; /*!< NFCID1 (UID) */ +#ifdef RFAL_FEATURE_T1T + rfalT1TRidRes ridRes; /*!< RID_RES */ +#endif /* RFAL_FEATURE_T1T */ + bool isSleep; /*!< Device sleeping flag */ +} rfalNfcaListenDevice; + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Initialize NFC-A Poller mode + * + * This methods configures RFAL RF layer to perform as a + * NFC-A Poller/RW (ISO14443A PCD) including all default timings and bit rate + * to 106 kbps + + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Poller Check Presence + * + * This method checks if a NFC-A Listen device (PICC) is present on the field + * by sending an ALL_REQ (WUPA) or SENS_REQ (REQA) + * + * \param[in] cmd : Indicate if to send an ALL_REQ or a SENS_REQ + * \param[out] sensRes : If received, the SENS_RES + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_RF_COLLISION : Collision detected one or more device in the field + * \return ERR_PAR : Parity error detected, one or more device in the field + * \return ERR_CRC : CRC error detected, one or more device in the field + * \return ERR_FRAMING : Framing error detected, one or more device in the field + * \return ERR_PROTO : Protocol error detected, one or more device in the field + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_NONE : No error, one or more device in the field + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerCheckPresence( rfal14443AShortFrameCmd cmd, rfalNfcaSensRes *sensRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Poller Select + * + * This method selects a NFC-A Listener device (PICC) + * + * \param[in] nfcid1 : Listener device NFCID1 to be selected + * \param[in] nfcidLen : Length of the NFCID1 to be selected + * \param[out] selRes : pointer to place the SEL_RES + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, SEL_RES received + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerSelect( uint8_t *nfcid1, uint8_t nfcidLen, rfalNfcaSelRes *selRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Poller Sleep + * + * This method sends a SLP_REQ (HLTA) + * No response is expected afterwards Digital 1.1 6.9.2.1 + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerSleep( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Technology Detection + * + * This method performs NFC-A Technology Detection as defined in the spec + * given in the compliance mode + * + * \param[in] compMode : compliance mode to be performed + * \param[out] sensRes : location to store the SENS_RES, if received + * + * When compMode is set to ISO compliance a SLP_REQ (HLTA) is not sent + * after detection. When set to EMV a ALL_REQ (WUPA) is sent instead of + * a SENS_REQ (REQA) + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error, one or more device in the field + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcaSensRes *sensRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Poller Collision Resolution + * + * Collision resolution for one NFC-A Listener device/card (PICC) as + * defined in Activity 1.1 9.3.4 + * + * This method executes anti collision loop and select the device with higher NFCID1 + * + * When devLimit = 0 it is configured to perform collision detection only. Once a collision + * is detected the collision resolution is aborted immidiatly. If only one device is found + * with no collisions, it will properly resolved. + * + * \param[in] devLimit : device limit value (CON_DEVICES_LIMIT) + * \param[out] collPending : pointer to collision pending flag (INT_COLL_PEND) + * \param[out] selRes : location to store the last Select Response from listener device (PICC) + * \param[out] nfcId1 : location to store the NFCID1 (UID), ensure RFAL_NFCA_CASCADE_3_UID_LEN + * \param[out] nfcId1Len : pointer to length of NFCID1 (UID) + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_PROTO : Card length invalid + * \return ERR_IGNORE : conDevLimit is 0 and there is a collision + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerSingleCollisionResolution( uint8_t devLimit, bool *collPending, rfalNfcaSelRes *selRes, uint8_t *nfcId1, uint8_t *nfcId1Len, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Poller Full Collision Resolution + * + * Performs a full Collision resolution as defined in Activity 1.0 or 1.1 9.3.4 + * + * \param[in] compMode : compliance mode to be performed + * \param[in] devLimit : device limit value, and size nfcaDevList + * \param[out] nfcaDevList : NFC-A listener device info + * \param[out] devCnt : Devices found counter + * + * When compMode is set to ISO compliance it assumes that the device is + * not sleeping and therefore no ALL_REQ (WUPA) is sent at the beginning. + * + * When compMode is set to NFC compliance an additional ALL_REQ (WUPA) is sent at + * the beginning and a proprietary behaviour also takes place. Once a device has been + * resolved an additional SLP_REQ (HLTA) is sent regardless if there was a collision + * (except if the number of devices found already equals the limit). + * This proprietary behaviour ensures proper activation of certain devices that suffer + * from influence of Type B commands as foreseen in ISO14443-3 5.2.3 + * + * + * When devLimit = 0 it is configured to perform collision detection only. Once a collision + * is detected the collision resolution is aborted immidiatly. If only one device is found + * with no collisions, it will properly resolved. + * + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcaPollerFullCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A Listener is SLP_REQ + * + * Checks if the given buffer contains valid NFC-A SLP_REQ (HALT) + * + * \param[in] buf: buffer containing data + * \param[in] bufLen: length of the data in buffer to be checked + * + * \return true if data in buf contains a SLP_REQ ; false otherwise + ***************************************************************************** + */ +bool rfalNfcaListenerIsSleepReq( uint8_t *buf, uint16_t bufLen ); + +#endif /* RFAL_NFCA_H */ + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcb.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,502 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcb.c + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-B (ISO14443B) helpers + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include <platform1.h> +#include "rfal_nfcb.h" +#include "utils.h" + + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_NFCB + #error " RFAL: Module configuration missing. Please enable/disable NFC-B module by setting: RFAL_FEATURE_NFCB " +#endif + +#if RFAL_FEATURE_NFCB + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_NFCB_SENSB_REQ_EXT_SENSB_RES_SUPPORTED 0x10 /*!< Bit mask for Extended SensB Response support in SENSB_REQ */ +#define RFAL_NFCB_SENSB_RES_PROT_TYPE_RFU 0x08 /*!< Bit mask for Protocol Type RFU in SENSB_RES */ +#define RFAL_NFCB_SLOT_MARKER_SC_SHIFT 4 /*!< Slot Code position on SLOT_MARKER APn */ + +#define RFAL_NFCB_SLOTMARKER_SLOTCODE_MIN 1 /*!< SLOT_MARKER Slot Code minimum Digital 1.1 Table 37 */ +#define RFAL_NFCB_SLOTMARKER_SLOTCODE_MAX 16 /*!< SLOT_MARKER Slot Code maximum Digital 1.1 Table 37 */ + +#define RFAL_NFCB_ACTIVATION_FWT (RFAL_NFCB_FWTSENSB + RFAL_NFCB_DFWT_10) /*!< FWT(SENSB) + dFWT Digital 1.1 7.9.1.5 */ + +/*! Advanced and Extended bit mask in Parameter of SENSB_REQ */ +#define RFAL_NFCB_SENSB_REQ_PARAM (RFAL_NFCB_SENSB_REQ_ADV_FEATURE | RFAL_NFCB_SENSB_REQ_EXT_SENSB_RES_SUPPORTED) + + +/*! NFC-B commands definition */ +static enum +{ + RFAL_NFCB_CMD_SENSB_REQ = 0x05, /*!< SENSB_REQ (REQB) & SLOT_MARKER Digital 1.1 Table 24 */ + RFAL_NFCB_CMD_SENSB_RES = 0x50, /*!< SENSB_RES (ATQB) & SLOT_MARKER Digital 1.1 Table 27 */ + RFAL_NFCB_CMD_SLPB_REQ = 0x50, /*!< SLPB_REQ (HLTB command) Digital 1.1 Table 38 */ + RFAL_NFCB_CMD_SLPB_RES = 0x00 /*!< SLPB_RES (HLTB Answer) Digital 1.1 Table 39 */ +}rfalCmd; + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +#define rfalNfcbNI2NumberOfSlots( ni ) (1 << ni) /*!< Converts the Number of slots Identifier to slot number*/ + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! ALLB_REQ (WUPB) and SENSB_REQ (REQB) Command Format Digital 1.1 7.6.1 */ +typedef struct +{ + uint8_t cmd; /*!< xxxxB_REQ: 05h */ + uint8_t AFI; /*!< NFC Identifier */ + uint8_t PARAM; /*!< Application Data */ +} rfalNfcbSensbReq; + +/*! SLOT_MARKER Command format Digital 1.1 7.7.1 */ +typedef struct +{ + uint8_t APn; /*!< Slot number 2..16 | 0101b */ +} rfalNfcbSlotMarker; + +/*! SLPB_REQ (HLTB) Command Format Digital 1.1 7.8.1 */ +typedef struct +{ + uint8_t cmd; /*!< SLPB_REQ: 50h */ + uint8_t nfcid0[RFAL_NFCB_NFCID0_LEN]; /*!< NFC Identifier (PUPI)*/ +} rfalNfcbSlpbReq; + + +/*! SLPB_RES (HLTB) Response Format Digital 1.1 7.8.2 */ +typedef struct +{ + uint8_t cmd; /*!< SLPB_RES: 00h */ +} rfalNfcbSlpbRes; + + +/*! RFAL NFC-B instance */ +typedef struct +{ + uint8_t AFI; /*!< AFI to be used */ + uint8_t PARAM; /*!< PARAM to be used */ +} rfalNfcb; + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +static ReturnCode rfalNfcbCheckSensbRes( rfalNfcbSensbRes *sensbRes, uint8_t sensbResLen ); + + +/* +****************************************************************************** +* LOCAL VARIABLES +****************************************************************************** +*/ +/*! TR2 Table according to Digital 1.1 Table 33 */ +static const uint16_t rfalNfcbTr2Table[] = { 1792, 3328, 5376, 9472 }; + +rfalNfcb gRfalNfcb; /*!< RFAL NFC-B Instance */ + + +/* +****************************************************************************** +* LOCAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +static ReturnCode rfalNfcbCheckSensbRes( rfalNfcbSensbRes *sensbRes, uint8_t sensbResLen ) +{ + /* Check response length */ + if( ( (sensbResLen != RFAL_NFCB_SENSB_RES_LEN) && (sensbResLen != RFAL_NFCB_SENSB_RES_EXT_LEN) ) ) + { + return ERR_PROTO; + } + + /* Check SENSB_RES and Protocol Type Digital 1.1 7.6.2.19 */ + if( (sensbRes->protInfo.FsciProType & RFAL_NFCB_SENSB_RES_PROT_TYPE_RFU) || (sensbRes->cmd != RFAL_NFCB_CMD_SENSB_RES) ) + { + return ERR_PROTO; + } + return ERR_NONE; +} + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR( ret, rfalSetMode( RFAL_MODE_POLL_NFCB, RFAL_BR_106, RFAL_BR_106, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC ); + + rfalSetGT( RFAL_GT_NFCB ); + rfalSetFDTListen( RFAL_FDT_LISTEN_NFCB_POLLER ); + rfalSetFDTPoll( RFAL_FDT_POLL_NFCB_POLLER ); + + gRfalNfcb.AFI = RFAL_NFCB_AFI; + gRfalNfcb.PARAM = RFAL_NFCB_PARAM; + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerInitializeWithParams( uint8_t AFI, uint8_t PARAM, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR( ret, rfalNfcbPollerInitialize( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + gRfalNfcb.AFI = AFI; + gRfalNfcb.PARAM = (PARAM & RFAL_NFCB_SENSB_REQ_PARAM); + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerCheckPresence( rfalNfcbSensCmd cmd, rfalNfcbSlots slots, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t rxLen; + ReturnCode ret; + rfalNfcbSensbReq sensbReq; + + + /* Check if the command requested and given the slot number are valid */ + if( ((RFAL_NFCB_SENS_CMD_SENSB_REQ != cmd) && (RFAL_NFCB_SENS_CMD_ALLB_REQ != cmd)) || + (slots > RFAL_NFCB_SLOT_NUM_16) || (sensbRes == NULL) || (sensbResLen == NULL) ) + { + return ERR_PARAM; + } + + *sensbResLen = 0; + ST_MEMSET(sensbRes, 0x00, sizeof(rfalNfcbSensbRes) ); + + /* Compute SENSB_REQ */ + sensbReq.cmd = RFAL_NFCB_CMD_SENSB_REQ; + sensbReq.AFI = gRfalNfcb.AFI; + sensbReq.PARAM = ((gRfalNfcb.PARAM & RFAL_NFCB_SENSB_REQ_PARAM) | cmd | slots); + + /* Send SENSB_REQ and disable AGC to detect collisions */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&sensbReq, sizeof(rfalNfcbSensbReq), (uint8_t*)sensbRes, sizeof(rfalNfcbSensbRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCB_FWTSENSB, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + *sensbResLen = rxLen; + + /* Check if a transmission error was detected */ + if( (ret == ERR_CRC) || (ret == ERR_FRAMING) ) + { + /* Invalidate received frame as an error was detected (CollisionResolution checks if valid) */ + *sensbResLen = 0; + return ERR_NONE; + } + + if( ret == ERR_NONE ) + { + return rfalNfcbCheckSensbRes( sensbRes, *sensbResLen ); + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerSleep( uint8_t* nfcid0, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t rxLen; + ReturnCode ret; + rfalNfcbSlpbReq slpbReq; + rfalNfcbSlpbRes slpbRes; + + if( nfcid0 == NULL ) + { + return ERR_PARAM; + } + + /* Compute SLPB_REQ */ + slpbReq.cmd = RFAL_NFCB_CMD_SLPB_REQ; + ST_MEMCPY( slpbReq.nfcid0, nfcid0, RFAL_NFCB_NFCID0_LEN ); + + EXIT_ON_ERR( ret, rfalTransceiveBlockingTxRx( (uint8_t*)&slpbReq, sizeof(rfalNfcbSlpbReq), (uint8_t*)&slpbRes, sizeof(rfalNfcbSlpbRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCB_ACTIVATION_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Check SLPB_RES */ + if( (rxLen != sizeof(rfalNfcbSlpbRes)) || (slpbRes.cmd != RFAL_NFCB_CMD_SLPB_RES) ) + { + return ERR_PROTO; + } + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerSlotMarker( uint8_t slotCode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcbSlotMarker slotMarker; + uint16_t rxLen; + + /* Check parameters */ + if( (sensbRes == NULL) || (sensbResLen == NULL) || + (slotCode < RFAL_NFCB_SLOTMARKER_SLOTCODE_MIN) || + (slotCode > RFAL_NFCB_SLOTMARKER_SLOTCODE_MAX) ) + { + return ERR_PARAM; + } + /* Compose and send SLOT_MARKER with disabled AGC to detect collisions */ + slotMarker.APn = ((slotCode << RFAL_NFCB_SLOT_MARKER_SC_SHIFT) | RFAL_NFCB_CMD_SENSB_REQ); + + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&slotMarker, sizeof(rfalNfcbSlotMarker), (uint8_t*)sensbRes, sizeof(rfalNfcbSensbRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCB_ACTIVATION_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + *sensbResLen = rxLen; + + /* Check if a transmission error was detected */ + if( (ret == ERR_CRC) || (ret == ERR_FRAMING) ) + { + return ERR_RF_COLLISION; + } + + if( ret == ERR_NONE ) + { + return rfalNfcbCheckSensbRes( sensbRes, *sensbResLen ); + } + + return ret; +} + + +ReturnCode rfalNfcbPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + NO_WARNING(compMode); + + return rfalNfcbPollerCheckPresence( RFAL_NFCB_SENS_CMD_SENSB_REQ, RFAL_NFCB_SLOT_NUM_1, sensbRes, sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + bool colPending; /* dummy */ + return rfalNfcbPollerCollisionResolutionSlotted( compMode, devLimit, RFAL_NFCB_SLOT_NUM_1, RFAL_NFCB_SLOT_NUM_16, nfcbDevList, devCnt, &colPending, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcbPollerCollisionResolutionSlotted( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbSlots initSlots, rfalNfcbSlots endSlots, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, bool *colPending, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcbSlots slotsNum; + uint8_t slotCode; + uint8_t curDevCnt; + + + /* Check parameters. In ISO | Activity 1.0 mode the initial slots must be 1 as continuation of Technology Detection */ + if( (nfcbDevList == NULL) || (devCnt == NULL) || (colPending == NULL) || (initSlots > RFAL_NFCB_SLOT_NUM_16) || + (endSlots > RFAL_NFCB_SLOT_NUM_16) || ((compMode == RFAL_COMPLIANCE_MODE_ISO) && (initSlots != RFAL_NFCB_SLOT_NUM_1)) ) + { + return ERR_PARAM; + } + + /* Initialise as no error in case Activity 1.0 where the previous SENSB_RES from technology detection should be used */ + ret = ERR_NONE; + *devCnt = 0; + curDevCnt = 0; + *colPending = false; + + + /* Send ALLB_REQ Activity 1.1 9.3.5.2 and 9.3.5.3 (Symbol 1 and 2) */ + if( compMode != RFAL_COMPLIANCE_MODE_ISO ) + { + ret = rfalNfcbPollerCheckPresence( RFAL_NFCB_SENS_CMD_ALLB_REQ, initSlots, &nfcbDevList->sensbRes, &nfcbDevList->sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( (ret != ERR_NONE) && (initSlots == RFAL_NFCB_SLOT_NUM_1) ) + { + return ret; + } + } + + + /* Check if there was a transmission error on WUPB EMVCo 2.6 9.3.3.1 */ + if( (compMode == RFAL_COMPLIANCE_MODE_EMV) && (nfcbDevList->sensbResLen == 0) ) + { + return ERR_FRAMING; + } + //(int)slotsNum = (int)initSlots; (int)slotsNum <= (int)endSlots; ((int)slotsNum)++ ) + + for( int i = 0; i < RFAL_NFCB_SLOT_NUM_16; i++) + { + rfalNfcbSlots slotsNum = (rfalNfcbSlots) i; + /* Activity 1.1 9.3.5.23 - Symbol 22 */ + if( (compMode == RFAL_COMPLIANCE_MODE_NFC) && (curDevCnt != 0) ) + { + rfalNfcbPollerSleep( nfcbDevList[(*devCnt-1)].sensbRes.nfcid0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + nfcbDevList[(*devCnt-1)].isSleep = true; + } + + /* Send SENSB_REQ with number of slots if not the first Activity 1.1 9.3.5.24 - Symbol 23 */ + if( (slotsNum != initSlots) || *colPending ) + { + ret = rfalNfcbPollerCheckPresence( RFAL_NFCB_SENS_CMD_SENSB_REQ, slotsNum, &nfcbDevList[*devCnt].sensbRes, &nfcbDevList[*devCnt].sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Activity 1.1 9.3.5.6 - Symbol 5 */ + slotCode = 0; + curDevCnt = 0; + *colPending = false; + + do{ + /* Activity 1.1 9.3.5.26 - Symbol 25 */ + if( slotCode != 0 ) + { + ret = rfalNfcbPollerSlotMarker( slotCode, &nfcbDevList[*devCnt].sensbRes, &nfcbDevList[*devCnt].sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Activity 1.1 9.3.5.7 and 9.3.5.8 - Symbol 6 */ + if( ret != ERR_TIMEOUT ) + { + /* Activity 1.1 9.3.5.8 - Symbol 7 */ + if( (ret == ERR_NONE) && (rfalNfcbCheckSensbRes( &nfcbDevList[*devCnt].sensbRes, nfcbDevList[*devCnt].sensbResLen) == ERR_NONE) ) + { + nfcbDevList[*devCnt].isSleep = false; + + if( compMode == RFAL_COMPLIANCE_MODE_EMV ) + { + (*devCnt)++; + return ret; + } + else if( compMode == RFAL_COMPLIANCE_MODE_ISO ) + { + /* Activity 1.0 9.3.5.8 - Symbol 7 */ + (*devCnt)++; + curDevCnt++; + + /* Activity 1.0 9.3.5.10 - Symbol 9 */ + if( (*devCnt >= devLimit) || (slotsNum == RFAL_NFCB_SLOT_NUM_1) ) + { + return ret; + } + + /* Activity 1.0 9.3.5.11 - Symbol 10 */ + rfalNfcbPollerSleep( nfcbDevList[*devCnt-1].sensbRes.nfcid0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + nfcbDevList[*devCnt-1].isSleep = true; + } + else if( compMode == RFAL_COMPLIANCE_MODE_NFC ) + { + /* Activity 1.1 9.3.5.10 and 9.3.5.11 - Symbol 9 and Symbol 11*/ + if(curDevCnt != 0) + { + rfalNfcbPollerSleep( nfcbDevList[*devCnt-1].sensbRes.nfcid0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + nfcbDevList[*devCnt-1].isSleep = true; + } + + /* Activity 1.1 9.3.5.12 - Symbol 11 */ + (*devCnt)++; + curDevCnt++; + + /* Activity 1.1 9.3.5.6 - Symbol 13 */ + if( (*devCnt >= devLimit) || (slotsNum == RFAL_NFCB_SLOT_NUM_1) ) + { + return ret; + } + } + } + else + { + /* If deviceLimit is set to 0 the NFC Forum Device is configured to perform collision detection only Activity 1.0 and 1.1 9.3.5.5 - Symbol 4 */ + if( (devLimit == 0) && (slotsNum == RFAL_NFCB_SLOT_NUM_1) ) + { + return ERR_RF_COLLISION; + } + + /* Activity 1.1 9.3.5.9 - Symbol 8 */ + *colPending = true; + } + } + + /* Activity 1.1 9.3.5.15 - Symbol 14 */ + (int)slotCode++; + } + while( slotCode < rfalNfcbNI2NumberOfSlots(slotsNum) ); + + /* Activity 1.1 9.3.5.17 - Symbol 16 */ + if( !(*colPending) ) + { + return ERR_NONE; + } + + /* Activity 1.1 9.3.5.18 - Symbol 17 */ + if( curDevCnt != 0 ) + { + /* If a collision is detected and card(s) were found on this loop keep the same number of available slots */ + //((int)slotsNum)--; + i--; + } + + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +uint32_t rfalNfcbTR2ToFDT( uint8_t tr2Code ) +{ + return rfalNfcbTr2Table[ (tr2Code & RFAL_NFCB_SENSB_RES_PROTO_TR2_MASK) ]; +} + +#endif /* RFAL_FEATURE_NFCB */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcb.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,395 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcb.h + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-B (ISO14443B) helpers + * + * It provides a NFC-B Poller (ISO14443B PCD) interface and + * also provides some NFC-B Listener (ISO14443B PICC) helpers + * + * The definitions and helpers methods provided by this module are only + * up to ISO14443-3 layer (excluding ATTRIB) + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup NFC-B + * @brief RFAL NFC-B Module + * @{ + * + */ + + +#ifndef RFAL_NFCB_H +#define RFAL_NFCB_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_NFCB_FWTSENSB 7680 /*!< NFC-B FWT(SENSB) Digital 1.1 A.3 */ +#define RFAL_NFCB_DTPOLL 49152 /*!< NFC-B Delta Tb Poll Digital 1.1 A.3 */ +#define RFAL_NFCB_DFWT_11 rfalConvMsTo1fc(17) /*!< NFC-B dFWT (16.4ms) Digital 1.1 A.3 */ +#define RFAL_NFCB_DFWT_10 rfalConvMsTo1fc(20) /*!< NFC-B dFWT (20ms) Digital 1.0 A.2 */ + +#define RFAL_NFCB_AFI 0x00 /*!< NFC-B default Application Family Digital 1.1 7.6.1.1 */ +#define RFAL_NFCB_PARAM 0x00 /*!< NFC-B default SENSB_REQ PARAM */ +#define RFAL_NFCB_CRC_LEN 2 /*!< NFC-B CRC length and CRC_B(AID) Digital 1.1 Table 28 */ +#define RFAL_NFCB_NFCID0_LEN 4 /*!< Length of NFC-B NFCID0 */ +#define RFAL_NFCB_CMD_LEN 1 /*!< Length of NFC-B Command */ + +#define RFAL_NFCB_SENSB_RES_LEN 12 /*!< Standard length of SENSB_RES without SFGI byte */ +#define RFAL_NFCB_SENSB_RES_EXT_LEN 13 /*!< Extended length of SENSB_RES with SFGI byte */ + +#define RFAL_NFCB_SENSB_REQ_ADV_FEATURE 0x20 /*!< Bit mask for Advance Feature in SENSB_REQ */ +#define RFAL_NFCB_SENSB_RES_FSCI_MASK 0x0F /*!< Bit mask for FSCI value in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_FSCI_SHIFT 4 /*!< Shift for FSCI value in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_PROTO_RFU_MASK 0x08 /*!< Bit mask for Protocol Type RFU in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_PROTO_TR2_MASK 0x03 /*!< Bit mask for Protocol Type TR2 in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_PROTO_TR2_SHIFT 1 /*!< Shift for Protocol Type TR2 in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_PROTO_ISO_MASK 0x01 /*!< Bit mask Protocol Type ISO14443 Compliant in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_FWI_MASK 0x0F /*!< Bit mask for FWI value in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_FWI_SHIFT 4 /*!< Bit mask for FWI value in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_ADC_MASK 0x0C /*!< Bit mask for ADC value in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_ADC_ADV_FEATURE_MASK 0x08 /*!< Bit mask for ADC.Advanced Proto Features in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_ADC_PROPRIETARY_MASK 0x04 /*!< Bit mask for ADC.Proprietary Application in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_FO_DID_MASK 0x01 /*!< Bit mask for DID in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_FO_NAD_MASK 0x02 /*!< Bit mask for DID in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_FO_MASK 0x03 /*!< Bit mask for FO value in SENSB_RES (NAD and DID) */ +#define RFAL_NFCB_SENSB_RES_SFGI_MASK 0x0F /*!< Bit mask for SFGI in SENSB_RES */ +#define RFAL_NFCB_SENSB_RES_SFGI_SHIFT 4 /*!< Shift for SFGI in SENSB_RES */ + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ + +/*! Get device's FSCI given its SENSB_RES Digital 1.1 7.6.2 */ +#define rfalNfcbGetFSCI( sensbRes ) ((((rfalNfcbSensbRes*)sensbRes)->protInfo.FsciProType >> RFAL_NFCB_SENSB_RES_FSCI_SHIFT) & RFAL_NFCB_SENSB_RES_FSCI_MASK ) + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! SENSB_REQ and ALLB_REQ param Digital 1.1 7.6.1 */ +typedef enum +{ + RFAL_NFCB_SENS_CMD_ALLB_REQ = 0x08, /*!< ALLB_REQ (WUPB) */ + RFAL_NFCB_SENS_CMD_SENSB_REQ = 0x00 /*!< SENSB_REQ (REQB) */ +} rfalNfcbSensCmd; + + +/*! Number of Slots (NI) codes used for NFC-B anti collision Digital 1.1 Table 26 */ +typedef enum +{ + RFAL_NFCB_SLOT_NUM_1 = 0, /*!< N=0 : 1 slot */ + RFAL_NFCB_SLOT_NUM_2 = 1, /*!< N=1 : 2 slots */ + RFAL_NFCB_SLOT_NUM_4 = 2, /*!< N=2 : 4 slots */ + RFAL_NFCB_SLOT_NUM_8 = 3, /*!< N=3 : 8 slots */ + RFAL_NFCB_SLOT_NUM_16 = 4 /*!< N=4 : 16 slots */ +}rfalNfcbSlots; + + +/*! SENSB_RES (ATQB) Application Data Format Digital 1.1 Table 28 */ +typedef struct +{ + uint8_t AFI; /*!< Application Family Identifier */ + uint8_t CRC_B[RFAL_NFCB_CRC_LEN]; /*!< CRC_B of AID */ + uint8_t numApps; /*!< Number of Applications */ +} rfalNfcbSensbResAppData; + + +/*! SENSB_RES Protocol Info format Digital 1.1 Table 29 */ +typedef struct +{ + uint8_t BRC; /*!< Bit Rate Capability */ + uint8_t FsciProType; /*!< Frame Size Card Integer [4b] | Protocol Type[4 bits] */ + uint8_t FwiAdcFo; /*!< Frame Waiting Integer [4b] | Application Data Coding [2b] | Frame Options [2b] */ + uint8_t SFGI; /*!< Optional: Start-Up Frame Guard Time Integer[4b] | RFU [4b] */ +} rfalNfcbSensbResProtocolInfo; + + +/*! SENSB_RES format Digital 1.1 7.6.2 */ +typedef struct +{ + uint8_t cmd; /*!< SENSB_RES: 50h */ + uint8_t nfcid0[RFAL_NFCB_NFCID0_LEN]; /*!< NFC Identifier (PUPI)*/ + rfalNfcbSensbResAppData appData; /*!< Application Data */ + rfalNfcbSensbResProtocolInfo protInfo; /*!< Protocol Information */ +} rfalNfcbSensbRes; + + +/*! NFC-B listener device (PICC) struct */ +typedef struct +{ + uint8_t sensbResLen; /*!< SENSB_RES length */ + rfalNfcbSensbRes sensbRes; /*!< SENSB_RES */ + bool isSleep; /*!< Device sleeping flag */ +}rfalNfcbListenDevice; + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Initialize NFC-B Poller mode + * + * This methods configures RFAL RF layer to perform as a + * NFC-B Poller/RW (ISO14443B PCD) including all default timings + * + * It sets NFC-B parameters (AFI, PARAM) to default values + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Set NFC-B Poller parameters + * + * This methods configures RFAL RF layer to perform as a + * NFCA Poller/RW (ISO14443A PCD) including all default timings + * + * Additionally configures NFC-B specific parameters to be used on the + * following communications + * + * \param[in] AFI : Application Family Identifier to be used + * \param[in] PARAM : PARAM to be used, it announces whether Advanced + * Features or Extended SENSB_RES is supported + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerInitializeWithParams( uint8_t AFI, uint8_t PARAM, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-B Poller Check Presence + * + * This method checks if a NFC-B Listen device (PICC) is present on the field + * by sending an ALLB_REQ (WUPB) or SENSB_REQ (REQB) + * + * \param[in] cmd : Indicate if to send an ALL_REQ or a SENS_REQ + * \param[in] slots : The number of slots to be announced + * \param[out] sensbRes : If received, the SENSB_RES + * \param[out] sensbResLen : If received, the SENSB_RES length + * + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_RF_COLLISION : Collision detected one or more device in the field + * \return ERR_PAR : Parity error detected, one or more device in the field + * \return ERR_CRC : CRC error detected, one or more device in the field + * \return ERR_FRAMING : Framing error detected, one or more device in the field + * \return ERR_PROTO : Protocol error detected, invalid SENSB_RES received + * \return ERR_NONE : No error, SENSB_RES received + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerCheckPresence( rfalNfcbSensCmd cmd, rfalNfcbSlots slots, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-B Poller Sleep + * + * This function is used to send the SLPB_REQ (HLTB) command to put the PICC with + * the given NFCID0 to state HALT so that they do not reply to further SENSB_REQ + * commands (only to ALLB_REQ) + * + * \param[in] nfcid0 : NFCID of the device to be put to Sleep + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerSleep( uint8_t* nfcid0, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-B Poller Slot Marker + * + * This method selects a NFC-B Slot marker frame + * + * \param[in] slotCode : Slot Code [1-15] + * \param[out] sensbRes : If received, the SENSB_RES + * \param[out] sensbResLen : If received, the SENSB_RES length + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error, SEL_RES received + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerSlotMarker( uint8_t slotCode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-B Technology Detection + * + * This method performs NFC-B Technology Detection as defined in the spec + * given in the compliance mode + * + * \param[in] compMode : compliance mode to be performed + * \param[out] sensbRes : location to store the SENSB_RES, if received + * \param[out] sensbResLen : length of the SENSB_RES, if received + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error, one or more device in the field + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-B Poller Collision Resolution + * + * NFC-B Collision resolution Listener device/card (PICC) as + * defined in Activity 1.1 9.3.5 + * + * This function is used to perform collision resolution for detection in case + * of multiple NFC Forum Devices with Technology B detected. + * Target with valid SENSB_RES will be stored in devInfo and nfcbDevCount incremented. + * + * \param[in] compMode : compliance mode to be performed + * \param[in] devLimit : device limit value, and size nfcbDevList + * \param[out] nfcbDevList : NFC-B listener device info + * \param[out] devCnt : devices found counter + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-B Poller Collision Resolution Slotted + * + * NFC-B Collision resolution Listener device/card (PICC). The sequence can + * be configured to be according to NFC Forum Activity 1.1 9.3.5, ISO10373 + * or EMVCo + * + * This function is used to perform collision resolution for detection in case + * of multiple NFC Forum Devices with Technology B are detected. + * Target with valid SENSB_RES will be stored in devInfo and nfcbDevCount incremented. + * + * This method provides the means to perform a collision resolution loop with specific + * initial and end number of slots. This allows to user to start the loop already with + * greater number of slots, and or limit the end number of slots. At the end a flag + * indicating whether there were collisions pending is returned. + * + * If RFAL_COMPLIANCE_MODE_ISO is used \a initSlots must be set to RFAL_NFCB_SLOT_NUM_1 + * + * + * \param[in] compMode : compliance mode to be performed + * \param[in] devLimit : device limit value, and size nfcbDevList + * \param[in] initSlots : number of slots to open initially + * \param[in] endSlots : number of slots when to stop collision resolution + * \param[out] nfcbDevList : NFC-B listener device info + * \param[out] devCnt : devices found counter + * \param[out] colPending : flag indicating whether collision are still pending + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcbPollerCollisionResolutionSlotted( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbSlots initSlots, rfalNfcbSlots endSlots, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, bool *colPending, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-B TR2 code to FDT + * + * Converts the TR2 code as defined in Digital 1.1 Table 33 Minimum + * TR2 Coding to Frame Delay Time (FDT) in 1/Fc + * + * \param[in] tr2Code : TR2 code as defined in Digital 1.1 Table 33 + * + * \return FDT in 1/Fc + ***************************************************************************** + */ +uint32_t rfalNfcbTR2ToFDT( uint8_t tr2Code ); + + +#endif /* RFAL_NFCB_H */ + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcf.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,344 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcf.c + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-F Poller (FeliCa PCD) device + * + * The definitions and helpers methods provided by this module are + * aligned with NFC-F (FeliCa - JIS X6319-4) + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include <platform1.h> +#include "rfal_nfcf.h" +#include "utils.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_NFCF + #error " RFAL: Module configuration missing. Please enable/disable NFC-F module by setting: RFAL_FEATURE_NFCF " +#endif + +#if RFAL_FEATURE_NFCF + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ +#define RFAL_NFCF_SENSF_REQ_LEN_MIN 5 /*!< SENSF_RES minimum length */ + +#define RFAL_NFCF_READ_WO_ENCRYPTION_MIN_LEN 15 /*!< Minimum length for a Check Command - T3T 5.4.1 */ +#define RFAL_NFCF_WRITE_WO_ENCRYPTION_MIN_LEN 31 /*!< Minimum length for an Update Command - T3T 5.5.1 */ + + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ +#define rfalNfcfSlots2CardNum( s ) (s+1) /*!< Converts Time Slot Number (TSN) into num of slots */ + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! Structure/Buffer to hold the SENSF_RES with LEN byte prepended */ +typedef struct{ + uint8_t LEN; /*!< NFC-F LEN byte */ + rfalNfcfSensfRes SENSF_RES; /*!< SENSF_RES */ +} rfalNfcfSensfResBuf; + + +/*! Greedy collection for NFCF GRE_POLL_F Activity 1.0 Table 10 */ +typedef struct{ + uint8_t pollFound; /*!< Number of devices found by the Poll */ + uint8_t pollCollision; /*!< Number of collisions detected */ + rfalFeliCaPollRes POLL_F[RFAL_NFCF_POLL_MAXCARDS]; /*!< GRE_POLL_F Activity 1.0 Table 10 */ +} rfalNfcfGreedyF; + + +/*! NFC-F SENSF_REQ format Digital 1.1 8.6.1 */ +typedef struct +{ + uint8_t CMD; /*!< Command code: 00h */ + uint8_t SC[RFAL_NFCF_SENSF_SC_LEN]; /*!< System Code */ + uint8_t RC; /*!< Request Code */ + uint8_t TSN; /*!< Time Slot Number */ +} rfalNfcfSensfReq; + + +/* +****************************************************************************** +* LOCAL VARIABLES +****************************************************************************** +*/ +static rfalNfcfGreedyF gRfalNfcfGreedyF; /*!< Activity's NFCF Greedy collection */ + + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +static void rfalNfcfComputeValidSENF( rfalNfcfListenDevice *outDevInfo, uint8_t *curDevIdx, uint8_t devLimit, bool overwrite, bool *nfcDepFound ); + + +/* +****************************************************************************** +* LOCAL VARIABLES +****************************************************************************** +*/ + +/*******************************************************************************/ +static void rfalNfcfComputeValidSENF( rfalNfcfListenDevice *outDevInfo, uint8_t *curDevIdx, uint8_t devLimit, bool overwrite, bool *nfcDepFound ) +{ + uint8_t tmpIdx; + bool duplicate; + rfalNfcfSensfResBuf *sensfBuf; + + + /*******************************************************************************/ + /* Go through all responses check if valid and duplicates */ + /*******************************************************************************/ + while( (gRfalNfcfGreedyF.pollFound > 0) && ((*curDevIdx) < devLimit) ) + { + duplicate = false; + gRfalNfcfGreedyF.pollFound--; + + /* Point to received SENSF_RES */ + sensfBuf = (rfalNfcfSensfResBuf*) &gRfalNfcfGreedyF.POLL_F[gRfalNfcfGreedyF.pollFound]; + + + /* Check for devices that are already in device list */ + for( tmpIdx = 0; tmpIdx < (*curDevIdx); tmpIdx++ ) + { + if( !ST_BYTECMP( sensfBuf->SENSF_RES.NFCID2, outDevInfo[tmpIdx].sensfRes.NFCID2, RFAL_NFCF_NFCID2_LEN ) ) + { + duplicate = true; + break; + } + } + + /* If is a duplicate skip this (and not to overwrite)*/ + if(duplicate && !overwrite) + { + continue; + } + + /* Check if response length is OK */ + if( (( sensfBuf->LEN - RFAL_NFCF_HEADER_LEN) < RFAL_NFCF_SENSF_RES_LEN_MIN) || ((sensfBuf->LEN - RFAL_NFCF_HEADER_LEN) > RFAL_NFCF_SENSF_RES_LEN_MAX) ) + { + continue; + } + + /* Check if the response is a SENSF_RES / Polling response */ + if( sensfBuf->SENSF_RES.CMD != RFAL_NFCF_CMD_POLLING_RES ) + { + continue; + } + + /* Check if is an overwrite request or new device*/ + if(duplicate && overwrite) + { + /* overwrite deviceInfo/GRE_SENSF_RES with SENSF_RES */ + outDevInfo[tmpIdx].sensfResLen = (sensfBuf->LEN - RFAL_NFCF_LENGTH_LEN); + ST_MEMCPY( &outDevInfo[tmpIdx].sensfRes, &sensfBuf->SENSF_RES.CMD, outDevInfo[tmpIdx].sensfResLen ); + continue; + } + else + { + /* fill deviceInfo/GRE_SENSF_RES with new SENSF_RES */ + outDevInfo[(*curDevIdx)].sensfResLen = (sensfBuf->LEN - RFAL_NFCF_LENGTH_LEN); + ST_MEMCPY( &outDevInfo[(*curDevIdx)].sensfRes, &sensfBuf->SENSF_RES.CMD, outDevInfo[(*curDevIdx)].sensfResLen ); + } + + /* Check if this device supports NFC-DEP and signal it (ACTIVITY 1.1 9.3.6.63) */ + *nfcDepFound = rfalNfcfIsNfcDepSupported( &outDevInfo[(*curDevIdx)] ); + + (*curDevIdx)++; + } +} + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +ReturnCode rfalNfcfPollerInitialize( rfalBitRate bitRate,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + if( (bitRate != RFAL_BR_212) && (bitRate != RFAL_BR_424) ) + { + return ERR_PARAM; + } + + EXIT_ON_ERR( ret, rfalSetMode( RFAL_MODE_POLL_NFCF, bitRate, bitRate, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC ); + + rfalSetGT( RFAL_GT_NFCF ); + rfalSetFDTListen( RFAL_FDT_LISTEN_NFCF_POLLER ); + rfalSetFDTPoll( RFAL_FDT_POLL_NFCF_POLLER ); + + return ERR_NONE; +} + + + +/*******************************************************************************/ +ReturnCode rfalNfcfPollerPoll( rfalFeliCaPollSlots slots, uint16_t sysCode, uint8_t reqCode, rfalFeliCaPollRes *cardList, uint8_t *devCnt, uint8_t *collisions, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + return rfalFeliCaPoll( slots, sysCode, reqCode, cardList, rfalNfcfSlots2CardNum(slots), devCnt, collisions, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +/*******************************************************************************/ +ReturnCode rfalNfcfPollerCheckPresence( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + gRfalNfcfGreedyF.pollFound = 0; + gRfalNfcfGreedyF.pollCollision = 0; + + /* ACTIVITY 1.0 & 1.1 - 9.2.3.17 SENSF_REQ must be with number of slots equal to 4 + * SC must be 0xFFFF + * RC must be 0x00 (No system code info required) */ + return rfalFeliCaPoll( RFAL_FELICA_4_SLOTS, RFAL_NFCF_SYSTEMCODE, RFAL_FELICA_POLL_RC_NO_REQUEST, gRfalNfcfGreedyF.POLL_F, rfalNfcfSlots2CardNum(RFAL_FELICA_4_SLOTS), &gRfalNfcfGreedyF.pollFound, &gRfalNfcfGreedyF.pollCollision, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalNfcfPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcfListenDevice *nfcfDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + bool nfcDepFound; + + if( nfcfDevList == NULL || devCnt == NULL ) + { + return ERR_PARAM; + } + + *devCnt = 0; + nfcDepFound = false; + + + /*******************************************************************************************/ + /* ACTIVITY 1.0 - 9.3.6.3 Copy valid SENSF_RES in GRE_POLL_F into GRE_SENSF_RES */ + /* ACTIVITY 1.0 - 9.3.6.6 The NFC Forum Device MUST remove all entries from GRE_SENSF_RES[]*/ + /* ACTIVITY 1.1 - 9.3.63.59 Populate GRE_SENSF_RES with data from GRE_POLL_F */ + /* */ + /* CON_DEVICES_LIMIT = 0 Just check if devices from Tech Detection exceeds -> always true */ + /* Allow the number of slots open on Technology Detection */ + /*******************************************************************************************/ + rfalNfcfComputeValidSENF( nfcfDevList, devCnt, (devLimit == 0 ? rfalNfcfSlots2CardNum( RFAL_FELICA_4_SLOTS ) : devLimit), false, &nfcDepFound ); + + + /*******************************************************************************/ + /* ACTIVITY 1.0 - 9.3.6.4 */ + /* ACTIVITY 1.1 - 9.3.63.60 Check if devices found are lower than the limit */ + /* and send a SENSF_REQ if so */ + /*******************************************************************************/ + if( *devCnt < devLimit ) + { + /* ACTIVITY 1.0 - 9.3.6.5 Copy valid SENSF_RES and then to remove it + * ACTIVITY 1.1 - 9.3.6.65 Copy and filter duplicates + * For now, due to some devices keep generating different nfcid2, we use 1.0 + * Phones detected: Samsung Galaxy Nexus,Samsung Galaxy S3,Samsung Nexus S */ + *devCnt = 0; + + ret = rfalNfcfPollerPoll( RFAL_FELICA_16_SLOTS, RFAL_NFCF_SYSTEMCODE, RFAL_FELICA_POLL_RC_NO_REQUEST, gRfalNfcfGreedyF.POLL_F, &gRfalNfcfGreedyF.pollFound, &gRfalNfcfGreedyF.pollCollision, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_NONE ) + { + rfalNfcfComputeValidSENF( nfcfDevList, devCnt, devLimit, false, &nfcDepFound ); + } + + /*******************************************************************************/ + /* ACTIVITY 1.1 - 9.3.6.63 Check if any device supports NFC DEP */ + /*******************************************************************************/ + if( nfcDepFound && (compMode == RFAL_COMPLIANCE_MODE_NFC) ) + { + ret = rfalNfcfPollerPoll( RFAL_FELICA_16_SLOTS, RFAL_NFCF_SYSTEMCODE, RFAL_FELICA_POLL_RC_SYSTEM_CODE, gRfalNfcfGreedyF.POLL_F, &gRfalNfcfGreedyF.pollFound, &gRfalNfcfGreedyF.pollCollision, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_NONE ) + { + rfalNfcfComputeValidSENF( nfcfDevList, devCnt, devLimit, true, &nfcDepFound ); + } + } + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +bool rfalNfcfListenerIsT3TReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid2 ) +{ + /* Check cmd byte */ + switch( *buf ) + { + case RFAL_NFCF_CMD_READ_WITHOUT_ENCRYPTION: + if( bufLen < RFAL_NFCF_READ_WO_ENCRYPTION_MIN_LEN ) + { + return false; + } + break; + + case RFAL_NFCF_CMD_WRITE_WITHOUT_ENCRYPTION: + if( bufLen < RFAL_NFCF_WRITE_WO_ENCRYPTION_MIN_LEN ) + { + return false; + } + break; + + default: + return false; + } + + /* Output NFID2 if requested */ + if( nfcid2 != NULL ) + { + ST_MEMCPY( nfcid2, (uint8_t*)(buf + RFAL_NFCF_CMD_LEN), RFAL_NFCF_NFCID2_LEN ); + } + + return true; +} + +#endif /* RFAL_FEATURE_NFCF */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcf.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,287 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcf.h + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-F Poller (FeliCa PCD) device + * + * The definitions and helpers methods provided by this module are + * aligned with NFC-F (FeliCa - JIS X6319-4) + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup NFC-F + * @brief RFAL NFC-F Module + * @{ + * + */ + + +#ifndef RFAL_NFCF_H +#define RFAL_NFCF_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_NFCF_NFCID2_LEN 8 /*!< NFCID2 (FeliCa IDm) length */ +#define RFAL_NFCF_SENSF_RES_LEN_MIN 16 /*!< SENSF_RES minimum length */ +#define RFAL_NFCF_SENSF_RES_LEN_MAX 18 /*!< SENSF_RES maximum length */ +#define RFAL_NFCF_SENSF_RES_PAD0_LEN 2 /*!< SENSF_RES PAD0 length */ +#define RFAL_NFCF_SENSF_RES_PAD1_LEN 2 /*!< SENSF_RES PAD1 length */ +#define RFAL_NFCF_SENSF_RES_RD_LEN 2 /*!< SENSF_RES Request Data length */ +#define RFAL_NFCF_SENSF_RES_BYTE1 1 /*!< SENSF_RES first byte value */ +#define RFAL_NFCF_SENSF_SC_LEN 2 /*!< Felica SENSF_REQ System Code length */ +#define RFAL_NFCF_SENSF_PARAMS_SC1_POS 0 /*!< System Code byte1 position in the SENSF_REQ */ +#define RFAL_NFCF_SENSF_PARAMS_SC2_POS 1 /*!< System Code byte2 position in the SENSF_REQ */ +#define RFAL_NFCF_SENSF_PARAMS_RC_POS 2 /*!< Request Code position in the SENSF_REQ */ +#define RFAL_NFCF_SENSF_PARAMS_TSN_POS 3 /*!< Time Slot Number position in the SENSF_REQ */ +#define RFAL_NFCF_POLL_MAXCARDS 16 /*!< Max number slots/cards 16 */ + + +#define RFAL_NFCF_CMD_LEN 1 /*!< Command/Responce code length */ +#define RFAL_NFCF_LENGTH_LEN 1 /*!< LEN field length */ +#define RFAL_NFCF_HEADER_LEN (RFAL_NFCF_LENGTH_LEN + RFAL_NFCF_CMD_LEN) /*!< Header length*/ + + +#define RFAL_NFCF_SENSF_NFCID2_BYTE1_POS 0 /*!< NFCID2 byte1 position */ +#define RFAL_NFCF_SENSF_NFCID2_BYTE2_POS 1 /*!< NFCID2 byte2 position */ + +#define RFAL_NFCF_SENSF_NFCID2_PROT_TYPE_LEN 2 /*!< NFCID2 length for byte 1 and byte 2 indicating NFC-DEP or T3T support */ +#define RFAL_NFCF_SENSF_NFCID2_BYTE1_NFCDEP 0x01 /*!< NFCID2 byte1 NFC-DEP support Digital 1.0 Table 44*/ +#define RFAL_NFCF_SENSF_NFCID2_BYTE2_NFCDEP 0xFE /*!< NFCID2 byte2 NFC-DEP support Digital 1.0 Table 44*/ + +#define RFAL_NFCF_SYSTEMCODE 0xFFFF /*!< SENSF_RES Default System Code Digital 1.0 6.6.1.1 */ + + +/*! NFC-F Felica command set JIS X6319-4 9.1 */ +enum +{ + RFAL_NFCF_CMD_POLLING = 0x00, /*!< SENSF_REQ (Felica Poll/REQC command to identify a card ) */ + RFAL_NFCF_CMD_POLLING_RES = 0x01, /*!< SENSF_RES (Felica Poll/REQC command response ) */ + RFAL_NFCF_CMD_REQUEST_SERVICE = 0x02, /*!< verify the existence of Area and Service */ + RFAL_NFCF_CMD_REQUEST_RESPONSE = 0x04, /*!< verify the existence of a card */ + RFAL_NFCF_CMD_READ_WITHOUT_ENCRYPTION = 0x06, /*!< read Block Data from a Service that requires no authentication */ + RFAL_NFCF_CMD_WRITE_WITHOUT_ENCRYPTION = 0x08, /*!< write Block Data to a Service that requires no authentication */ + RFAL_NFCF_CMD_REQUEST_SYSTEM_CODE = 0x0c, /*!< acquire the System Code registered to a card */ + RFAL_NFCF_CMD_AUTHENTICATION1 = 0x10, /*!< authenticate a card */ + RFAL_NFCF_CMD_AUTHENTICATION2 = 0x12, /*!< allow a card to authenticate a Reader/Writer */ + RFAL_NFCF_CMD_READ = 0x14, /*!< read Block Data from a Service that requires authentication */ + RFAL_NFCF_CMD_WRITE = 0x16, /*!< write Block Data to a Service that requires authentication */ +}; + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +/*! Checks if the given NFC-F device indicates NFC-DEP support */ +#define rfalNfcfIsNfcDepSupported( dev ) ( (((rfalNfcfListenDevice*)(dev))->sensfRes.NFCID2[RFAL_NFCF_SENSF_NFCID2_BYTE1_POS] == RFAL_NFCF_SENSF_NFCID2_BYTE1_NFCDEP) && \ + (((rfalNfcfListenDevice*)(dev))->sensfRes.NFCID2[RFAL_NFCF_SENSF_NFCID2_BYTE2_POS] == RFAL_NFCF_SENSF_NFCID2_BYTE2_NFCDEP) ) + + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + + +/*! NFC-F SENSF_RES format Digital 1.1 8.6.2 */ +typedef struct +{ + uint8_t CMD; /*!< Command Code: 01h */ + uint8_t NFCID2[RFAL_NFCF_NFCID2_LEN]; /*!< NFCID2 */ + uint8_t PAD0[RFAL_NFCF_SENSF_RES_PAD0_LEN]; /*!< PAD0 */ + uint8_t PAD1[RFAL_NFCF_SENSF_RES_PAD1_LEN]; /*!< PAD1 */ + uint8_t MRTIcheck; /*!< MRTIcheck */ + uint8_t MRTIupdate; /*!< MRTIupdate */ + uint8_t PAD2; /*!< PAD2 */ + uint8_t RD[RFAL_NFCF_SENSF_RES_RD_LEN]; /*!< Request Data */ +} rfalNfcfSensfRes; + + +/*! NFC-F poller device (PCD) struct */ +typedef struct +{ + uint8_t NFCID2[RFAL_NFCF_NFCID2_LEN]; /*!< NFCID2 */ +} rfalNfcfPollDevice; + +/*! NFC-F listener device (PICC) struct */ +typedef struct +{ + uint8_t sensfResLen; /*!< SENF_RES length */ + rfalNfcfSensfRes sensfRes; /*!< SENF_RES */ +} rfalNfcfListenDevice; + + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Initialize NFC-F Poller mode + * + * This methods configures RFAL RF layer to perform as a + * NFC-F Poller/RW (FeliCa PCD) including all default timings + * + * \param[in] bitRate : NFC-F bitrate to be initialize (212 or 424) + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Incorrect bitrate + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcfPollerInitialize( rfalBitRate bitRate, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-F Poller Check Presence + * + * This function sends a Poll/SENSF command according to NFC Activity spec + * It detects if a NCF-F device is within range + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_NONE : No error and some NFC-F device was detected + * + ***************************************************************************** + */ +ReturnCode rfalNfcfPollerCheckPresence( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-F Poller Poll + * + * This function sends to all PICCs in field the POLL command with the given + * number of slots. + * + * \param[in] slots : the number of slots to be performed + * \param[in] sysCode : as given in FeliCa poll command + * \param[in] reqCode : FeliCa communication parameters + * \param[out] cardList : Parameter of type rfalFeliCaPollRes which will hold the cards found + * \param[out] devCnt : actual number of cards found + * \param[out] collisions : number of collisions encountered + * + * \warning the list cardList has to be as big as the number of slots for the Poll + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_NONE : No error and some NFC-F device was detected + * + ***************************************************************************** + */ +ReturnCode rfalNfcfPollerPoll( rfalFeliCaPollSlots slots, uint16_t sysCode, uint8_t reqCode, rfalFeliCaPollRes *cardList, uint8_t *devCnt, uint8_t *collisions, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-F Poller Full Collision Resolution + * + * Performs a full Collision resolution as defined in Activity 1.1 9.3.4 + * + * \param[in] compMode : compliance mode to be performed + * \param[in] devLimit : device limit value, and size nfcaDevList + * \param[out] nfcfDevList : NFC-F listener devices list + * \param[out] devCnt : Devices found counter + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcfPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcfListenDevice *nfcfDevList, uint8_t *devCnt,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-F Listener is T3T Request + * + * This method checks if the given data is a valid T3T command (Read or Write) + * and in case a valid request has been received it may output the request's NFCID2 + * + * \param[in] buf : buffer holding Initiator's received command + * \param[in] bufLen : length of received command in bytes + * \param[out] nfcid2 : pointer to where the NFCID2 may be outputed, + * nfcid2 has NFCF_SENSF_NFCID2_LEN as length + * Pass NULL if output parameter not desired + * + * \return true : Valid T3T command (Read or Write) received + * \return false : Invalid protocol request + * + ***************************************************************************** + */ +bool rfalNfcfListenerIsT3TReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid2 ); + + +#endif /* RFAL_NFCF_H */ + +/** + * @} + * + * @} + * + * @} + */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcv.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,625 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcv.c + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-V Poller (ISO15693) device + * + * The definitions and helpers methods provided by this module are + * aligned with NFC-V (ISO15693) + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include <platform1.h> +#include "rfal_nfcv.h" +#include "utils.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_NFCV + #error " RFAL: Module configuration missing. Please enable/disable NFC-V module by setting: RFAL_FEATURE_NFCV " +#endif + +#if RFAL_FEATURE_NFCV + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_NFCV_INV_REQ_FLAG 0x06 /*!< INVENTORY_REQ INV_FLAG Digital 2.0 9.6.1 */ +#define RFAL_NFCV_INV_REQ_FLAG 0x06 /*!< INVENTORY_REQ INV_FLAG Digital 2.0 9.6.1 */ +#define RFAL_NFCV_MASKVAL_MAX_LEN 8 /*!< Mask value max length: 64 bits (UID length) */ +#define RFAL_NFCV_MASKVAL_MAX_1SLOT_LEN 64 /*!< Mask value max length in 1 Slot mode in bits Digital 2.0 9.6.1.6 */ +#define RFAL_NFCV_MASKVAL_MAX_16SLOT_LEN 60 /*!< Mask value max length in 16 Slot mode in bits Digital 2.0 9.6.1.6 */ +#define RFAL_NFCV_INV_REQ_HEADER_LEN 3 /*!< INVENTORY_REQ header length (INV_FLAG, CMD, MASK_LEN) */ +#define RFAL_NFCV_INV_RES_LEN 10 /*!< INVENTORY_RES length */ +#define RFAL_NFCV_CRC_LEN 2 /*!< NFC-V CRC length */ +#define RFAL_NFCV_MAX_SLOTS 16 /*!< NFC-V max number of Slots */ +#define RFAL_NFCV_MAX_GEN_DATA_LEN (RFAL_NFCV_MAX_BLOCK_LEN + RFAL_NFCV_UID_LEN) /*!< Max number of generic data*/ + +#define RFAL_CMD_LEN 1 /*!< Commandbyte length */ +#define RFAL_NFCV_FLAG_LEN 1 /*!< Flag byte length */ +#define RFAL_NFCV_DSFI_LEN 1 /*!< DSFID length */ +#define RFAL_NFCV_SLPREQ_REQ_FLAG 0x22 /*!< SLPV_REQ request flags Digital 2.0 (Candidate) 9.7.1.1 */ + +#define RFAL_NFCV_MAX_COLL_SUPPORTED 16 /*!< Maximum number of collisions supported by the Anticollision loop */ + +#define RFAL_FDT_POLL_MAX rfalConvMsTo1fc(20) /*!< */ + + + +/*! Time between EOFs - ISO 15693 defines t3min depending on modulation depth and data rate + * - NFC Forum defines FDTV,EOF = [10 ; 20]ms ISO15693 2000 8.4 Digital 2.0 9.7.4 */ +#define RFAL_NFCV_FDT_EOF 5 + + + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! NFC-V INVENTORY_REQ format Digital 2.0 9.6.1 */ +typedef struct +{ + uint8_t INV_FLAG; /*!< Inventory Flags */ + uint8_t CMD; /*!< Command code: 01h */ + uint8_t MASK_LEN; /*!< Mask Value Length */ + uint8_t MASK_VALUE[RFAL_NFCV_MASKVAL_MAX_LEN]; /*!< Mask Value */ +} rfalNfcvInventoryReq; + + +/*! NFC-V SLP_REQ format Digital 2.0 (Candidate) 9.7.1 */ +typedef struct +{ + uint8_t REQ_FLAG; /*!< Request Flags */ + uint8_t CMD; /*!< Command code: 02h */ + uint8_t UID[RFAL_NFCV_UID_LEN]; /*!< Mask Value */ +} rfalNfcvSlpvReq; + + +/*! NFC-V Generic Req format */ +typedef struct +{ + uint8_t REQ_FLAG; /*!< Request Flags */ + uint8_t CMD; /*!< Command code */ + union { + uint8_t UID[RFAL_NFCV_UID_LEN]; /*!< Mask Value */ + uint8_t data[RFAL_NFCV_MAX_GEN_DATA_LEN]; /*!< Data */ + }payload; +} rfalNfcvGenericReq; + + +/*! NFC-V Generic Response format */ +typedef struct +{ + uint8_t RES_FLAG; /*!< Response Flags */ + uint8_t data[RFAL_NFCV_MAX_GEN_DATA_LEN]; /*!< Data */ +} rfalNfcvGenericRes; + + +/*! Container for a collision found during Anticollsion loop */ +typedef struct +{ + uint8_t maskLen; + uint8_t maskVal[RFAL_NFCV_MASKVAL_MAX_LEN]; +}rfalNfcvCollision; + + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ +static ReturnCode rfalNfvParseError( uint8_t err ); + +/* +****************************************************************************** +* LOCAL VARIABLES +****************************************************************************** +*/ + +/* +****************************************************************************** +* LOCAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +static ReturnCode rfalNfvParseError( uint8_t err ) +{ + switch(err) + { + case RFAL_NFCV_ERROR_CMD_NOT_SUPPORTED: + case RFAL_NFCV_ERROR_OPTION_NOT_SUPPORTED: + return ERR_NOTSUPP; + + case RFAL_NFCV_ERROR_CMD_NOT_RECOGNIZED: + return ERR_PROTO; + + case RFAL_NFCV_ERROR_WRITE_FAILED: + return ERR_WRITE; + + default: + return ERR_REQUEST; + } +} + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +ReturnCode rfalNfcvPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR( ret, rfalSetMode( RFAL_MODE_POLL_NFCV, RFAL_BR_26p48, RFAL_BR_26p48, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC ); + + rfalSetGT( RFAL_GT_NFCV_ADJUSTED ); + rfalSetFDTListen( RFAL_FDT_LISTEN_NFCV_POLLER ); + rfalSetFDTPoll( RFAL_FDT_POLL_NFCV_POLLER ); + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfcvPollerCheckPresence( rfalNfcvInventoryRes *invRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + /* INVENTORY_REQ with 1 slot and no Mask Activity 2.0 (Candidate) 9.2.3.32 */ + ret = rfalNfcvPollerInventory( RFAL_NFCV_NUM_SLOTS_1, 0, NULL, invRes, NULL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( (ret == ERR_RF_COLLISION) || (ret == ERR_CRC) || + (ret == ERR_FRAMING) || (ret == ERR_PROTO) ) + { + ret = ERR_NONE; + } + + return ret; +} + +/*******************************************************************************/ +ReturnCode rfalNfcvPollerInventory( rfalNfcvNumSlots nSlots, uint8_t maskLen, uint8_t *maskVal, rfalNfcvInventoryRes *invRes, uint16_t* rcvdLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcvInventoryReq invReq; + uint16_t rxLen; + + if( ((maskVal == NULL) && (maskLen != 0)) || (invRes == NULL) ) + { + return ERR_PARAM; + } + + invReq.INV_FLAG = (RFAL_NFCV_INV_REQ_FLAG | nSlots); + invReq.CMD = RFAL_NFCF_CMD_INVENTORY; + invReq.MASK_LEN = MIN( maskLen, ((nSlots == RFAL_NFCV_NUM_SLOTS_1) ? RFAL_NFCV_MASKVAL_MAX_1SLOT_LEN : RFAL_NFCV_MASKVAL_MAX_16SLOT_LEN) ); /* Digital 2.0 9.6.1.6 */ + ST_MEMCPY( invReq.MASK_VALUE, maskVal, rfalConvBitsToBytes(invReq.MASK_LEN) ); + + ret = rfalISO15693TransceiveAnticollisionFrame( (uint8_t*)&invReq, (RFAL_NFCV_INV_REQ_HEADER_LEN + rfalConvBitsToBytes(invReq.MASK_LEN)), (uint8_t*)invRes, sizeof(rfalNfcvInventoryRes), &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for optional output parameter */ + if( rcvdLen != NULL ) + { + *rcvdLen = rxLen; + } + + if( ret == ERR_NONE ) + { + if( rxLen != rfalConvBytesToBits(RFAL_NFCV_INV_RES_LEN + RFAL_NFCV_CRC_LEN) ) + { + return ERR_PROTO; + } + } + + return ret; +} + +/*******************************************************************************/ +ReturnCode rfalNfcvPollerCollisionResolution( uint8_t devLimit, rfalNfcvListenDevice *nfcvDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t slotNum; + uint16_t rcvdLen; + uint8_t colIt; + uint8_t colCnt; + /* bool colPending; */ + rfalNfcvCollision colFound[RFAL_NFCV_MAX_COLL_SUPPORTED]; + + /* NO_WARNING(colPending); */ + + if( (nfcvDevList == NULL) || (devCnt == NULL) ) + { + return ERR_PARAM; + } + + /* Initialize parameters */ + *devCnt = 0; + colIt = 0; + colCnt = 0; + /* colPending = false; */ + ST_MEMSET(nfcvDevList, 0x00, (sizeof(rfalNfcvListenDevice)*devLimit) ); + ST_MEMSET(colFound, 0x00, (sizeof(rfalNfcvCollision)*RFAL_NFCV_MAX_COLL_SUPPORTED) ); + + + /* Send INVENTORY_REQ with one slot Activity 2.0 9.3.7.1 (Symbol 0) */ + ret = rfalNfcvPollerInventory( RFAL_NFCV_NUM_SLOTS_1, 0, NULL, &nfcvDevList->InvRes, NULL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( ret == ERR_TIMEOUT ) /* Exit if no device found Activity 2.0 9.3.7.2 (Symbol 1) */ + { + return ERR_NONE; + } + if( ret == ERR_NONE ) /* Device found without transmission error/collision Activity 2.0 9.3.7.3 (Symbol 2) */ + { + (*devCnt)++; + return ERR_NONE; + } + + /* A Collision has been identified Activity 2.0 9.3.7.2 (Symbol 3) */ + /* colPending = true; */ + + /* Check if the Collision Resolution is set to perform only Collision detection Activity 2.0 9.3.7.5 (Symbol 4)*/ + if( devLimit == 0 ) + { + return ERR_RF_COLLISION; + } + + + /*******************************************************************************/ + /* Collisions pending, Anticollision loop must be executed */ + /*******************************************************************************/ + + /* Execute until all collisions are resolved Activity 2.0 9.3.7.16 (Symbol 17) */ + do + { + /* Activity 2.0 9.3.7.5 (Symbol 6) */ + slotNum = 0; + /* colPending = false; */ + + + /* Send INVENTORY_REQ with 16 slots Activity 2.0 9.3.7.7 (Symbol 8) */ + ret = rfalNfcvPollerInventory( RFAL_NFCV_NUM_SLOTS_16, colFound[colIt].maskLen, colFound[colIt].maskVal, &nfcvDevList[(*devCnt)].InvRes, &rcvdLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* If collision have already been found, move to next one */ + if( colCnt > 0 ) + { + colIt++; + } + + do + { + /*******************************************************************************/ + if( ret != ERR_TIMEOUT ) + { + if( ret == ERR_NONE ) + { + /* Check if the device found is already on the list and its response is a valid INVENTORY_RES */ + if( rcvdLen == rfalConvBytesToBits(RFAL_NFCV_INV_RES_LEN + RFAL_NFCV_CRC_LEN) ) + { + /* Activity 2.0 9.3.7.15 (Symbol 16) */ + (*devCnt)++; + } + } + /*******************************************************************************/ + else if(ret == ERR_RF_COLLISION) + { + /* Activity 2.0 9.3.7.15 (Symbol 16) */ + /* colPending = true; */ + + /* Ensure that the frame received has at least the FLAGS + DSFI */ + if( rcvdLen <= rfalConvBytesToBits( RFAL_NFCV_FLAG_LEN + RFAL_NFCV_DSFI_LEN ) ) + { + return ERR_RF_COLLISION; + } + + /*******************************************************************************/ + /* Ensure that this collision still fits on the container */ + if( colCnt < RFAL_NFCV_MAX_COLL_SUPPORTED ) + { + /* Store this collision on the container to be resolved later */ + colFound[colCnt].maskLen = ( rcvdLen - rfalConvBytesToBits( RFAL_NFCV_FLAG_LEN + RFAL_NFCV_DSFI_LEN ) ); + ST_MEMCPY(colFound[colCnt].maskVal, nfcvDevList[(*devCnt)].InvRes.UID, RFAL_NFCV_UID_LEN); + colCnt++; + } + } + } + + /* Check if devices found have reached device limit Activity 2.0 9.3.7.15 (Symbol 16) */ + if( *devCnt >= devLimit ) + { + return ERR_NONE; + } + + platformDelay(RFAL_NFCV_FDT_EOF); /* Fulfil FDT EOF */ + ret = rfalISO15693TransceiveAnticollisionEOF( (uint8_t*)&nfcvDevList[(*devCnt)].InvRes, sizeof(rfalNfcvInventoryRes), &rcvdLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + slotNum++; + + } + while( slotNum < RFAL_NFCV_MAX_SLOTS ); /* Slot loop */ + }while( colIt < colCnt ); /* Collisions found loop */ + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfvPollerSleep( uint8_t flags, uint8_t* uid, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcvSlpvReq slpReq; + uint8_t rxBuf; /* dummy buffer, just to perform Rx */ + + if( uid == NULL ) + { + return ERR_PARAM; + } + + /* Compute SLPV_REQ */ + slpReq.REQ_FLAG = (flags | RFAL_NFCV_REQ_FLAG_ADDRESS); /* Should be with UID according Digital 2.0 (Candidate) 9.7.1.1 */ + slpReq.CMD = RFAL_NFCF_CMD_SLPV; + ST_MEMCPY( slpReq.UID, uid, RFAL_NFCV_UID_LEN ); + + /* NFC Forum device SHALL wait at least FDTVpp to consider the SLPV acknowledged (FDTVpp = FDTVpoll) Digital 2.0 (Candidate) 9.7 9.8.2 */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&slpReq, sizeof(rfalNfcvSlpvReq), &rxBuf, sizeof(rxBuf), NULL, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FDT_POLL_NFCV_POLLER, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret != ERR_TIMEOUT ) + { + return ret; + } + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfvSelect( uint8_t flags, uint8_t* uid, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t rcvLen; + ReturnCode ret; + rfalNfcvGenericReq req; + rfalNfcvGenericRes res; + + if( uid == NULL ) + { + return ERR_PARAM; + } + + /* Compute Request Command */ + req.REQ_FLAG = (flags | RFAL_NFCV_REQ_FLAG_ADDRESS); + req.CMD = RFAL_NFCF_CMD_SELECT; + ST_MEMCPY( req.payload.UID, uid, RFAL_NFCV_UID_LEN ); + + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&req, (RFAL_CMD_LEN + RFAL_NFCV_FLAG_LEN + RFAL_NFCV_UID_LEN), (uint8_t*)&res, sizeof(rfalNfcvGenericRes), &rcvLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FDT_POLL_MAX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret != ERR_NONE ) + { + return ret; + } + + /* Check if the response minimum length has been received */ + if( rcvLen < RFAL_NFCV_FLAG_LEN ) + { + return ERR_PROTO; + } + + /* Check if an error has been signalled */ + if( res.RES_FLAG & RFAL_NFCV_RES_FLAG_ERROR ) + { + return rfalNfvParseError( *res.data ); + } + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfvReadSingleBlock( uint8_t flags, uint8_t* uid, uint8_t blockNum, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rcvLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcvGenericReq req; + rfalNfcvGenericRes *res; + uint8_t msgIt; + + msgIt = 0; + res = (rfalNfcvGenericRes*)rxBuf; + + /* Compute Request Command */ + req.REQ_FLAG = (flags & (~RFAL_NFCV_REQ_FLAG_ADDRESS & ~RFAL_NFCV_REQ_FLAG_SELECT)); + req.CMD = RFAL_NFCF_CMD_READ_SINGLE_BLOCK; + + /* Check if request is to be sent in Addressed or Selected mode */ + if( uid != NULL ) + { + req.REQ_FLAG |= RFAL_NFCV_REQ_FLAG_ADDRESS; + ST_MEMCPY( req.payload.UID, uid, RFAL_NFCV_UID_LEN ); + msgIt += RFAL_NFCV_UID_LEN; + req.payload.data[ (RFAL_NFCV_UID_LEN + msgIt++) ] = blockNum; + } + else + { + req.REQ_FLAG |= RFAL_NFCV_REQ_FLAG_SELECT; + req.payload.data[msgIt++] = blockNum; + } + + /* Transceive Command */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&req, (RFAL_CMD_LEN + RFAL_NFCV_FLAG_LEN + msgIt), rxBuf, rxBufLen, rcvLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FDT_POLL_MAX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret != ERR_NONE ) + { + return ret; + } + + /* Check if the response minimum length has been received */ + if( (*rcvLen) < RFAL_NFCV_FLAG_LEN ) + { + return ERR_PROTO; + } + + /* Check if an error has been signalled */ + if( res->RES_FLAG & RFAL_NFCV_RES_FLAG_ERROR ) + { + return rfalNfvParseError( *(res->data) ); + } + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfvWriteSingleBlock( uint8_t flags, uint8_t* uid, uint8_t blockNum, uint8_t* wrData, uint8_t blockLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rcvLen; + rfalNfcvGenericReq req; + rfalNfcvGenericRes res; + uint8_t msgIt; + + if( blockLen > RFAL_NFCV_MAX_BLOCK_LEN ) + { + return ERR_PARAM; + } + + msgIt = 0; + + /* Compute Request Command */ + req.REQ_FLAG = (flags & (~RFAL_NFCV_REQ_FLAG_ADDRESS & ~RFAL_NFCV_REQ_FLAG_SELECT)); + req.CMD = RFAL_NFCF_CMD_WRITE_SINGLE_BLOCK; + + /* Check if request is to be sent in Addressed or Selected mode */ + if( uid != NULL ) + { + req.REQ_FLAG |= RFAL_NFCV_REQ_FLAG_ADDRESS; + ST_MEMCPY( req.payload.UID, uid, RFAL_NFCV_UID_LEN ); + msgIt += RFAL_NFCV_UID_LEN; + req.payload.data[msgIt++] = blockNum; + ST_MEMCPY( &req.payload.data[msgIt], wrData, blockLen ); + msgIt += blockLen; + } + else + { + req.REQ_FLAG |= RFAL_NFCV_REQ_FLAG_SELECT; + req.payload.data[msgIt++] = blockNum; + ST_MEMCPY( &req.payload.data[msgIt], wrData, blockLen ); + msgIt += blockLen; + } + + /* Transceive Command */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&req, (RFAL_CMD_LEN + RFAL_NFCV_FLAG_LEN + msgIt), (uint8_t*)&res, sizeof(rfalNfcvGenericRes), &rcvLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FDT_POLL_MAX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( ret != ERR_NONE ) + { + return ret; + } + + /* Check if the response minimum length has been received */ + if( rcvLen < RFAL_NFCV_FLAG_LEN ) + { + return ERR_PROTO; + } + + /* Check if an error has been signalled */ + if( res.RES_FLAG & RFAL_NFCV_RES_FLAG_ERROR ) + { + return rfalNfvParseError( *res.data ); + } + + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalNfvReadMultipleBlocks( uint8_t flags, uint8_t* uid, uint8_t firstBlockNum, uint8_t numOfBlocks, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rcvLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalNfcvGenericReq req; + rfalNfcvGenericRes *res; + uint8_t msgIt; + + msgIt = 0; + res = (rfalNfcvGenericRes*)rxBuf; + + /* Compute Request Command */ + req.REQ_FLAG = (flags & (~RFAL_NFCV_REQ_FLAG_ADDRESS & ~RFAL_NFCV_REQ_FLAG_SELECT)); + req.CMD = RFAL_NFCF_CMD_READ_MULTIPLE_BLOCKS; + + /* Check if request is to be sent in Addressed or Selected mode */ + if( uid != NULL ) + { + req.REQ_FLAG |= RFAL_NFCV_REQ_FLAG_ADDRESS; + ST_MEMCPY( req.payload.UID, uid, RFAL_NFCV_UID_LEN ); + msgIt += RFAL_NFCV_UID_LEN; + req.payload.data[ (RFAL_NFCV_UID_LEN + msgIt++) ] = firstBlockNum; + req.payload.data[ (RFAL_NFCV_UID_LEN + msgIt++) ] = numOfBlocks; + } + else + { + req.REQ_FLAG |= RFAL_NFCV_REQ_FLAG_SELECT; + req.payload.data[msgIt++] = firstBlockNum; + req.payload.data[msgIt++] = numOfBlocks; + } + + /* Transceive Command */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&req, (RFAL_CMD_LEN + RFAL_NFCV_FLAG_LEN + msgIt), rxBuf, rxBufLen, rcvLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_FDT_POLL_MAX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret != ERR_NONE ) + { + return ret; + } + + /* Check if the response minimum length has been received */ + if( (*rcvLen) < RFAL_NFCV_FLAG_LEN ) + { + return ERR_PROTO; + } + + /* Check if an error has been signalled */ + if( res->RES_FLAG & RFAL_NFCV_RES_FLAG_ERROR ) + { + return rfalNfvParseError( *(res->data) ); + } + + return ERR_NONE; +} + +#endif /* RFAL_FEATURE_NFCV */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_nfcv.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,388 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_nfcv.h + * + * \author Gustavo Patricio + * + * \brief Implementation of NFC-V Poller (ISO15693) device + * + * The definitions and helpers methods provided by this module + * are aligned with NFC-V Digital 2.0 (Candidate) + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup NFC-V + * @brief RFAL NFC-V Module + * @{ + * + */ + +#ifndef RFAL_NFCV_H +#define RFAL_NFCV_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ +#define RFAL_NFCV_UID_LEN 8 /*!< NFC-V UID length */ +#define RFAL_NFCV_MAX_BLOCK_LEN 32 /*!< Max Block size: can be of up to 256 bits ISO 15693 2000 5 */ + + + +/*! NFC-V RequestFlags ISO15693 2000 7.3.1 */ +enum{ + RFAL_NFCV_REQ_FLAG_DEFAULT = 0x02, /*!< Default Request Flags */ + RFAL_NFCV_REQ_FLAG_SUB_CARRIER = 0x01, /*!< Sub Carrier flag */ + RFAL_NFCV_REQ_FLAG_DATA_RATE = 0x02, /*!< Data Rate flag */ + RFAL_NFCV_REQ_FLAG_INVENTORY = 0x04, /*!< Inventory flag */ + RFAL_NFCV_REQ_FLAG_PROTOCOL_EXT = 0x08, /*!< Protocol Extension flag */ + RFAL_NFCV_REQ_FLAG_SELECT = 0x10, /*!< Select flag */ + RFAL_NFCV_REQ_FLAG_ADDRESS = 0x20, /*!< Address flag */ + RFAL_NFCV_REQ_FLAG_OPTION = 0x40, /*!< Option flag */ + RFAL_NFCV_REQ_FLAG_RFU = 0x80, /*!< RFU flag */ + RFAL_NFCV_REQ_FLAG_AFI = 0x10, /*!< AFI flag */ + RFAL_NFCV_REQ_FLAG_NB_SLOTS = 0x20, /*!< Number of Slots flag */ +}; + +/*! NFC-V Response Flags ISO15693 2000 7.4.1 */ +enum{ + RFAL_NFCV_RES_FLAG_ERROR = 0x01, /*!< Error flag */ + RFAL_NFCV_RES_FLAG_RFU1 = 0x02, /*!< RFU flag */ + RFAL_NFCV_RES_FLAG_RFU2 = 0x04, /*!< RFU flag */ + RFAL_NFCV_RES_FLAG_EXTENSION = 0x08, /*!< Extension flag */ + RFAL_NFCV_RES_FLAG_RFU3 = 0x10, /*!< RFU flag */ + RFAL_NFCV_RES_FLAG_RFU4 = 0x20, /*!< RFU flag */ + RFAL_NFCV_RES_FLAG_RFU5 = 0x40, /*!< RFU flag */ + RFAL_NFCV_RES_FLAG_RFU6 = 0x80, /*!< RFU flag */ +}; + +/*! NFC-V Error code ISO15693 2000 7.4.2 */ +enum{ + RFAL_NFCV_ERROR_CMD_NOT_SUPPORTED = 0x01, /*!< The command is not supported, code is not recognised */ + RFAL_NFCV_ERROR_CMD_NOT_RECOGNIZED = 0x02, /*!< The command is not recognised, format error occurred */ + RFAL_NFCV_ERROR_OPTION_NOT_SUPPORTED = 0x03, /*!< The option is not supported */ + RFAL_NFCV_ERROR_UNKNOWN = 0x0F, /*!< Unknown error */ + RFAL_NFCV_ERROR_BLOCK_NOT_AVALIABLE = 0x10, /*!< The specified block is not available */ + RFAL_NFCV_ERROR_BLOCK_ALREDY_LOCKED = 0x11, /*!< The specified block is already locked */ + RFAL_NFCV_ERROR_BLOCK_LOCKED = 0x12, /*!< The specified block is locked */ + RFAL_NFCV_ERROR_WRITE_FAILED = 0x13, /*!< The specified block was not successfully programmed */ + RFAL_NFCV_ERROR_BLOCK_FAILED = 0x14, /*!< The specified block was not successfully locked */ +}; + + +/*! NFC-V command set ISO15693 2000 9.1 */ +enum +{ + RFAL_NFCF_CMD_INVENTORY = 0x01, /*!< INVENTORY_REQ (Inventory) command */ + RFAL_NFCF_CMD_SLPV = 0x02, /*!< SLPV_REQ (Stay quiet) command */ + RFAL_NFCF_CMD_READ_SINGLE_BLOCK = 0x20, /*!< Read single block command */ + RFAL_NFCF_CMD_WRITE_SINGLE_BLOCK = 0x21, /*!< Write single block command */ + RFAL_NFCF_CMD_LOCK_BLOCK = 0x22, /*!< Lock block command */ + RFAL_NFCF_CMD_READ_MULTIPLE_BLOCKS = 0x23, /*!< Read multiple blocks command */ + RFAL_NFCF_CMD_WRITE_MULTIPLE_BLOCKS = 0x24, /*!< Write multiple blocks command */ + RFAL_NFCF_CMD_SELECT = 0x25, /*!< Select command */ + RFAL_NFCF_CMD_RESET_TO_READY = 0x26, /*!< Reset To Ready command */ + RFAL_NFCF_CMD_GET_SYS_INFO = 0x2B, /*!< Get System Information command */ + RFAL_NFCF_CMD_EXTENDED_GET_SYS_INFO = 0x2B /*!< Extended Get System Information command (ST Proprietary) */ +}; + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! NFC-V Number of slots Digital 2.0 9.6.1 */ +typedef enum +{ + RFAL_NFCV_NUM_SLOTS_1 = 0x20, /*!< Number of slots: 1 */ + RFAL_NFCV_NUM_SLOTS_16 = 0x00, /*!< Number of slots: 16 */ +} rfalNfcvNumSlots; + + +/*! NFC-V INVENTORY_RES format Digital 2.0 9.6.2 */ +typedef struct +{ + uint8_t RES_FLAG; /*!< Response Flags */ + uint8_t DSFID; /*!< Data Storage Format Identifier */ + uint8_t UID[RFAL_NFCV_UID_LEN]; /*!< NFC-V device UID */ + uint8_t crc[RFAL_CRC_LEN]; /*!< CRC */ +} rfalNfcvInventoryRes; + + +/*! NFC-V listener device (VICC) struct */ +typedef struct +{ + rfalNfcvInventoryRes InvRes; /*!< INVENTORY_RES */ + bool isSleep; /*!< Device sleeping flag */ +} rfalNfcvListenDevice; + + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Initialize NFC-V Poller mode + * + * This methods configures RFAL RF layer to perform as a + * NFC-F Poller/RW (ISO15693) including all default timings + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Incorrect bitrate + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcvPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Check Presence + * + * This method checks if a NFC-V Listen device (VICC) is present on the field + * by sending an Inventory (INVENTORY_REQ) + * + * \param[out] invRes : If received, the INVENTORY_RES + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detectedd + * \return ERR_NONE : No error, one or more device in the field + ***************************************************************************** + */ +ReturnCode rfalNfcvPollerCheckPresence( rfalNfcvInventoryRes *invRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-F Poller Poll + * + * This function sends to all VICCs in field the INVENTORY command with the + * given number of slots + * + * If more than one slot is used the following EOF need to be handled + * by the caller using rfalISO15693TransceiveAnticollisionEOF() + * + * \param[in] nSlots : Number of Slots to be sent (1 or 16) + * \param[in] maskLen : Number bits on the Mask value + * \param[in] maskVal : location of the Mask value + * \param[out] invRes : location to place the INVENTORY_RES + * \param[out] rcvdLen : number of bits received (without collision) + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_RF_COLLISION : Collision detected + * \return ERR_CRC : CRC error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcvPollerInventory( rfalNfcvNumSlots nSlots, uint8_t maskLen, uint8_t *maskVal, rfalNfcvInventoryRes *invRes, uint16_t* rcvdLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Full Collision Resolution + * + * Performs a full Collision resolution as defined in Activity 2.0 9.3.7 + * Once done, the devCnt will indicate how many (if any) devices have + * been identified and their details are contained on nfcvDevList + * + * \param[in] devLimit : device limit value, and size nfcaDevList + * \param[out] nfcvDevList : NFC-v listener devices list + * \param[out] devCnt : Devices found counter + * \param[out] colPending : It indicates if collsion(s) are still pending + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfcvPollerCollisionResolution( uint8_t devLimit, rfalNfcvListenDevice *nfcvDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Sleep + * + * This function is used to send the SLPV_REQ (Stay Quiet) command to put the VICC + * with the given UID to state QUIET so that they do not reply to more Inventory + * + * \param[in] uid : UID of the device to be put to Sleep + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfvPollerSleep( uint8_t flags, uint8_t* uid, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Select + * + * Selects a device (VICC) by its UID + * + * \param[in] flags : Flags to be used: Sub-carrier; Data_rate; Option + * for NFC-Forum use: RFAL_NFCV_REQ_FLAG_DEFAULT + * \param[in] uid : UID of the device to be put to be Selected + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_TIMEOUT : Timeout error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfvPollerSelect( uint8_t flags, uint8_t* uid ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Read Single Block + * + * Reads a Single Block from a device (VICC) + * + * \param[in] flags : Flags to be used: Sub-carrier; Data_rate; Option + * for NFC-Forum use: RFAL_NFCV_REQ_FLAG_DEFAULT + * \param[in] uid : UID of the device to be put to be read + * if not provided Select mode will be used + * \param[in] blockNum : Number of the block to read + * \param[out] rxBuf : buffer to store response (also with RES_FLAGS) + * \param[in] rxBufLen : length of rxBuf + * \param[out] rcvLen : number of bytes received + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_TIMEOUT : Timeout error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfvPollerReadSingleBlock( uint8_t flags, uint8_t* uid, uint8_t blockNum, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rcvLen ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Write Single Block + * + * Writes a Single Block from a device (VICC) + * + * \param[in] flags : Flags to be used: Sub-carrier; Data_rate; Option + * for NFC-Forum use: RFAL_NFCV_REQ_FLAG_DEFAULT + * \param[in] uid : UID of the device to be put to be read + * if not provided Select mode will be used + * \param[in] blockNum : Number of the block to read + * \param[in] wrData : data to be written on the given block + * \param[in] blockLen : number of bytes of a block + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_TIMEOUT : Timeout error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfvPollerWriteSingleBlock( uint8_t flags, uint8_t* uid, uint8_t blockNum, uint8_t* wrData, uint8_t blockLen ); + +/*! + ***************************************************************************** + * \brief NFC-V Poller Read Multiple Blocks + * + * Reads Multiple Blocks from a device (VICC) + * + * \param[in] flags : Flags to be used: Sub-carrier; Data_rate; Option + * for NFC-Forum use: RFAL_NFCV_REQ_FLAG_DEFAULT + * \param[in] uid : UID of the device to be put to be read + * if not provided Select mode will be used + * \param[in] firstBlockNum : first block to be read + * \param[out] rxBuf : buffer to store response (also with RES_FLAGS) + * \param[in] rxBufLen : length of rxBuf + * \param[out] rcvLen : number of bytes received + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_CRC : CRC error detected + * \return ERR_FRAMING : Framing error detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_TIMEOUT : Timeout error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalNfvPollerReadMultipleBlocks( uint8_t flags, uint8_t* uid, uint8_t firstBlockNum, uint8_t numOfBlocks, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rcvLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +ReturnCode rfalNfvSelect( uint8_t flags, uint8_t* uid, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +ReturnCode rfalNfvReadSingleBlock( uint8_t flags, uint8_t* uid, uint8_t blockNum, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rcvLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +ReturnCode rfalNfvWriteSingleBlock( uint8_t flags, uint8_t* uid, uint8_t blockNum, uint8_t* wrData, uint8_t blockLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +ReturnCode rfalNfvReadMultipleBlocks( uint8_t flags, uint8_t* uid, uint8_t firstBlockNum, uint8_t numOfBlocks, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rcvLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +#endif /* RFAL_NFCV_H */ + +/** + * @} + * + * @} + * + * @} + */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_rf.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,3535 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R3911 firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file + * + * \author Gustavo Patricio + * + * \brief RF Abstraction Layer (RFAL) + * + * RFAL implementation for ST25R3911 + */ + + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ + + +#include "rfal_rf.h" + +#include <rfal_rf.h> +#include "utils.h" +#include "ST25R3911.h" +#include "st25r3911_com.h" +#include "st25r3911_interrupt.h" +#include "rfal_AnalogConfig.h" +#include "rfal_iso15693_2.h" +#include "rfal_chip.h" +#include "platform1.h" +#include <stdint.h> + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + + + +/*! Struct that holds all involved on a Transceive including the context passed by the caller */ +typedef struct{ + rfalTransceiveState state; /*!< Current transceive state */ + rfalTransceiveState lastState; /*!< Last transceive state (debug purposes) */ + ReturnCode status; /*!< Current status/error of the transceive */ + bool rxse; /*!< Flag indicating if RXE was received with RXS */ + + rfalTransceiveContext ctx; /*!< The transceive context given by the caller */ +} rfalTxRx; + + +/*! Struct that holds all context for the Listen Mode */ +typedef struct{ + rfalLmState state; /*!< Current Listen Mode state */ + rfalBitRate brDetected; /*!< Last bit rate detected */ + + uint8_t* rxBuf; /*!< Location to store incoming data in Listen Mode */ + uint16_t rxBufLen; /*!< Length of rxBuf */ + uint16_t* rxLen; /*!< Pointer to write the data length placed into rxBuf */ + bool dataFlag; /*!< Listen Mode current Data Flag */ +} rfalLm; + + +/*! Struct that holds all context for the Wake-Up Mode */ +typedef struct{ + rfalWumState state; /*!< Current Wake-Up Mode state */ + st25r3911WakeUpConfig cfg; /*!< Current Wake-Up Mode context */ +} rfalWum; + + +/*! Struct that holds the timings GT and FDTs */ +typedef struct{ + uint32_t GT; /*!< GT in 1/fc */ + uint32_t FDTListen; /*!< FDTListen in 1/fc */ + uint32_t FDTPoll; /*!< FDTPoll in 1/fc */ +} rfalTimings; + + +/*! Struct that holds the software timers */ +typedef struct{ + uint32_t GT; /*!< RFAL's GT timer */ + uint32_t FWT; /*!< FWT/RWT timer for Active P2P*/ + uint32_t RXE; /*!< Timer between RXS and RXE */ +} rfalTimers; + + +/*! Struct that holds the RFAL's callbacks */ +typedef struct{ + rfalPreTxRxCallback preTxRx; /*!< RFAL's Pre TxRx callback */ + rfalPostTxRxCallback postTxRx; /*!< RFAL's Post TxRx callback */ +} rfalCallbacks; + + +/*! Struct that holds counters to control the FIFO on Tx and Rx */ +typedef struct{ + uint16_t expWL; /*!< The amount of bytes expected to be Tx when a WL interrupt occours */ + uint16_t bytesTotal; /*!< Total bytes to be transmitted OR the total bytes received */ + uint16_t bytesWritten;/*!< Amount of bytes already written on FIFO (Tx) OR read (RX) from FIFO and written on rxBuffer*/ + uint8_t status[ST25R3911_FIFO_STATUS_LEN]; /*!< FIFO Status Registers */ +} rfalFIFO; + + +/*! Struct that holds RFAL's configuration settings */ +typedef struct{ + uint8_t obsvModeTx; /*!< RFAL's config of the ST25R3911's observation mode while Tx */ + uint8_t obsvModeRx; /*!< RFAL's config of the ST25R3911's observation mode while Rx */ + rfalEHandling eHandling; /*!< RFAL's error handling config/mode */ +} rfalConfigs; + + +/*! Struct that holds NFC-F data - Used only inside rfalFelicaPoll() (static to avoid adding it into stack) */ +typedef struct{ + rfalFeliCaPollRes pollResponses[RFAL_FELICA_POLL_MAX_SLOTS]; /* FeliCa Poll response container for 16 slots */ +} rfalNfcfWorkingData; + + +/*! Struct that holds NFC-V current context + * + * 96 bytes is FIFO size of ST25R3911, codingBuffer has to be big enough for coping with maximum response size (Manchester coded) + * - current implementation expects it be written in one bulk into FIFO + * - needs to be above FIFO water level of ST25R3911 (64) + * - 65 is actually 1 byte too much, but ~75us in 1of256 another byte is already gone + * + * - inventory requests responses: 14 bytes + * - Max read single block responses: 32 bytes + * - Read multiple block responses: variable + * + * ISO15693 frame: SOF + Flags + Data + CRC + EOF + */ +typedef struct{ + uint8_t codingBuffer[((2 + 255 + 3)*2)];/*!< Coding buffer, length MUST be above 64: [65; ...] */ + uint16_t nfcvOffset; /*!< Offset needed for ISO15693 coding function */ + rfalTransceiveContext origCtx; /*!< Context provided by user */ + uint16_t ignoreBits; /*!< Number of bits at the beginning of a frame to be ignored when decoding */ +} rfalNfcvWorkingData; + + +/*! RFAL instance */ +typedef struct{ + rfalState state; /*!< RFAL's current state */ + rfalMode mode; /*!< RFAL's current mode */ + rfalBitRate txBR; /*!< RFAL's current Tx Bit Rate */ + rfalBitRate rxBR; /*!< RFAL's current Rx Bit Rate */ + bool field; /*!< Current field state (On / Off) */ + + rfalConfigs conf; /*!< RFAL's configuration settings */ + rfalTimings timings; /*!< RFAL's timing setting */ + rfalTxRx TxRx; /*!< RFAL's transceive management */ + rfalLm Lm; /*!< RFAL's listen mode management */ + rfalWum wum; /*!< RFAL's Wake-Up mode management */ + + rfalFIFO fifo; /*!< RFAL's FIFO management */ + rfalTimers tmr; /*!< RFAL's Software timers */ + rfalCallbacks callbacks; /*!< RFAL's callbacks */ + +#if RFAL_FEATURE_NFCF + rfalNfcfWorkingData nfcfData; /*!< RFAL's working data when supporting NFC-F */ +#endif /* RFAL_FEATURE_NFCF */ + +#if RFAL_FEATURE_NFCV + rfalNfcvWorkingData nfcvData; /*!< RFAL's working data when supporting NFC-V */ +#endif /* RFAL_FEATURE_NFCV */ + +} rfal; + + + +/*! Felica's command set */ +typedef enum +{ + FELICA_CMD_POLLING = 0x00, /*!< Felica Poll/REQC command (aka SENSF_REQ) to identify a card */ + FELICA_CMD_POLLING_RES = 0x01, /*!< Felica Poll/REQC command (aka SENSF_RES) response */ + FELICA_CMD_REQUEST_SERVICE = 0x02, /*!< verify the existence of Area and Service */ + FELICA_CMD_REQUEST_RESPONSE = 0x04, /*!< verify the existence of a card */ + FELICA_CMD_READ_WITHOUT_ENCRYPTION = 0x06, /*!< read Block Data from a Service that requires no authentication */ + FELICA_CMD_WRITE_WITHOUT_ENCRYPTION = 0x08, /*!< write Block Data to a Service that requires no authentication */ + FELICA_CMD_REQUEST_SYSTEM_CODE = 0x0c, /*!< acquire the System Code registered to a card */ + FELICA_CMD_AUTHENTICATION1 = 0x10, /*!< authenticate a card */ + FELICA_CMD_AUTHENTICATION2 = 0x12, /*!< allow a card to authenticate a Reader/Writer */ + FELICA_CMD_READ = 0x14, /*!< read Block Data from a Service that requires authentication */ + FELICA_CMD_WRITE = 0x16, /*!< write Block Data to a Service that requires authentication */ +}t_rfalFeliCaCmd; + +/* +****************************************************************************** +* GLOBAL DEFINES +****************************************************************************** +*/ + +#define RFAL_TIMING_NONE 0x00 /*!< Timing disable | Don't apply */ + +#define RFAL_FIFO_IN_LT_32 32 /*!< Number of bytes in the FIFO when WL interrupt occurs while Tx ( fifo_lt: 0 ) */ +#define RFAL_FIFO_IN_LT_16 16 /*!< Number of bytes in the FIFO when WL interrupt occurs while Tx ( fifo_lt: 1 ) */ + +#define RFAL_FIFO_OUT_LT_32 (ST25R3911_FIFO_DEPTH - RFAL_FIFO_IN_LT_32) /*!< Number of bytes sent/out of the FIFO when WL interrupt occurs while Tx ( fifo_lt: 0 ) */ +#define RFAL_FIFO_OUT_LT_16 (ST25R3911_FIFO_DEPTH - RFAL_FIFO_IN_LT_16) /*!< Number of bytes sent/out of the FIFO when WL interrupt occurs while Tx ( fifo_lt: 1 ) */ + +#define RFAL_FIFO_STATUS_REG1 0 /*!< Location of FIFO status register 1 in local copy */ +#define RFAL_FIFO_STATUS_REG2 1 /*!< Location of FIFO status register 2 in local copy */ +#define RFAL_FIFO_STATUS_INVALID 0xFF /*!< Value indicating that the local FIFO status in invalid|cleared */ + +#define RFAL_ST25R3911_GPT_MAX_1FC rfalConv8fcTo1fc( 0xFFFF ) /*!< Max GPT steps in 1fc (0xFFFF steps of 8/fc => 0xFFFF * 590ns = 38,7ms) */ +#define RFAL_ST25R3911_NRT_MAX_1FC rfalConv4096fcTo1fc( 0xFFFF ) /*!< Max NRT steps in 1fc (0xFFFF steps of 4096/fc => 0xFFFF * 302us = 19.8s ) */ +#define RFAL_ST25R3911_NRT_DISABLED 0 /*!< NRT Disabled: All 0 No-response timer is not started, wait forever */ +#define RFAL_ST25R3911_MRT_MAX_1FC rfalConv64fcTo1fc( 0x00FF ) /*!< Max MRT steps in 1fc (0x00FF steps of 64/fc => 0x00FF * 4.72us = 1.2ms ) */ +#define RFAL_ST25R3911_MRT_MIN_1FC rfalConv64fcTo1fc( 0x0004 ) /*!< Min MRT steps in 1fc ( 0<=mrt<=4 ; 4 (64/fc) => 0x0004 * 4.72us = 18.88us ) */ +#define RFAL_ST25R3911_GT_MAX_1FC rfalConvMsTo1fc( 5000 ) /*!< Max GT value allowed in 1/fc */ +#define RFAL_ST25R3911_GT_MIN_1FC rfalConvMsTo1fc(RFAL_ST25R3911_SW_TMR_MIN_1MS)/*!< Min GT value allowed in 1/fc */ +#define RFAL_ST25R3911_SW_TMR_MIN_1MS 1 /*!< Min value of a SW timer in ms */ + +#define RFAL_OBSMODE_DISABLE 0x00 /*!< Observation Mode disabled */ + +#define RFAL_NFC_RX_INCOMPLETE_LEN 1 /*!< Threshold value where incoming rx may be considered as incomplete in NFC */ +#define RFAL_EMVCO_RX_MAXLEN 4 /*!< Maximum value where EMVCo to apply special error handling */ +#define RFAL_EMVCO_RX_MINLEN 2 /*!< Minimum value where EMVCo to apply special error handling */ + +#define RFAL_NORXE_TOUT 10 /*!< Timeout to be used on a potential missing RXE - Silicon ST25R3911B Errata #1.1 */ + +#define RFAL_ISO14443A_SDD_RES_LEN 5 /*!< SDD_RES | Anticollision (UID CLn) length - rfalNfcaSddRes */ + +#define RFAL_FELICA_POLL_DELAY_TIME 512 /*!< FeliCa Poll Processing time is 2.417 ms ~512*64/fc Digital 1.1 A4 */ +#define RFAL_FELICA_POLL_SLOT_TIME 256 /*!< FeliCa Poll Time Slot duration is 1.208 ms ~256*64/fc Digital 1.1 A4 */ + +#define RFAL_ISO15693_IGNORE_BITS rfalConvBytesToBits(2) /*!< Ignore collisions before the UID (RES_FLAG + DSFID) */ + + +/*******************************************************************************/ + +#define RFAL_LM_GT rfalConvUsTo1fc(100) /*!< Listen Mode Guard Time enforced (GT - Passive; TIRFG - Active) */ +#define RFAL_FDT_POLL_ADJUSTMENT rfalConvUsTo1fc(80) /*!< FDT Poll adjustment: Time between the expiration of GPT to the actual Tx */ +#define RFAL_FDT_LISTEN_MRT_ADJUSTMENT 64 /*!< MRT jitter adjustment: timeout will be between [ tout ; tout + 64 cycles ] */ +#define RFAL_AP2P_FIELDOFF_TRFW rfalConv8fcTo1fc(64) /*!< Time after TXE and Field Off in AP2P Trfw: 37.76us -> 64 (8/fc) */ + + +/*! FWT adjustment: + * 64 : NRT jitter between TXE and NRT start */ +#define RFAL_FWT_ADJUSTMENT 64 + +/*! FWT ISO14443A adjustment: + * 512 : Initial 4bit length */ +#define RFAL_FWT_A_ADJUSTMENT 512 + +/*! FWT ISO14443B adjustment: + * 2784 : Adjustment for the SOF and initial byte */ +#define RFAL_FWT_B_ADJUSTMENT 2784 + + +/*! FWT FeliCa 212 adjustment: + * 1024 : Length of the two Sync bytes at 212kbps */ +#define RFAL_FWT_F_212_ADJUSTMENT 1024 + +/*! FWT FeliCa 424 adjustment: + * 512 : Length of the two Sync bytes at 424kbps */ +#define RFAL_FWT_F_424_ADJUSTMENT 512 + + +/*! Time between our field Off and other peer field On : Tadt + (n x Trfw) + * Ecma 340 11.1.2 - Tadt: [56.64 , 188.72] us ; n: [0 , 3] ; Trfw = 37.76 us + * Should be: 189 + (3*38) = 303us ; we'll use a more relaxed setting: 605 us */ +#define RFAL_AP2P_FIELDON_TADTTRFW rfalConvUsTo1fc(605) + + +/*! FDT Poll adjustment for ISO14443A EMVCo 2.6 4.8.1.3 ; Digital 1.1 6.10 + * + * 276: Time from the rising pulse of the pause of the logic '1' (i.e. the time point to measure the deaftime from), + * to the actual end of the EOF sequence (the point where the MRT starts). Please note that the ST25R391x uses the + * ISO14443-2 definition where the EOF consists of logic '0' followed by sequence Y. + */ +#define RFAL_FDT_LISTEN_A_ADJUSTMENT 276 + + +/*! FDT Poll adjustment for ISO14443B EMVCo 2.6 4.8.1.6 ; Digital 1.1 7.9 + * + * 340: Time from the rising edge of the EoS to the starting point of the MRT timer (sometime after the final high + * part of the EoS is completed). + * + * -64: Adjustment for the TR1PUTMIN. + * The TR1PUTMIN of the ST25R3911 is 1152/fc (72/fs). The EMVCo test case TB0000 measures the TR1PUTMIN. + * It takes the default value of TR1PUTMIN (79/fs) and reduces it by 128/fc in every iteration. + * This results in a TR1PUTMIN of 1136/fc (71/fs) for the second iteration. The ST25R3911 sends a NAK because + * the TR1PUTMIN of the ST25R3911 (72/fs) is higher than 71/fs. + * Therefore the test suite assumes TR1PUTMIN of 1264/fc (79/fs). + * The test cases TB340.0 and TB435.0 uses the TR1PUTMIN to send frames too early. In order to correctly + * recognise these frames as being sent too early (starting inside reader deaf time), the MRT has to be + * increased by at least 64/fc (8/fs). + */ +#define RFAL_FDT_LISTEN_B_ADJUSTMENT (340 - 64) + + + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ + +#define rfalCalcNumBytes( nBits ) (uint32_t)( (nBits + 7) / 8 ) /*!< Returns the number of bytes required to fit given the number of bits */ + +#define rfalTimerStart( timer, time_ms ) timer = platformTimerCreate(time_ms) /*!< Configures and starts the RTOX timer */ +#define rfalTimerisExpired( timer ) platformTimerIsExpired( timer ) /*!< Checks if timer has expired */ + +#define rfalST25R3911ObsModeDisable() st25r3911WriteTestRegister(0x01, 0x00, mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) /*!< Disable ST25R3911 Observation mode */ +#define rfalST25R3911ObsModeTx() st25r3911WriteTestRegister(0x01, gRFAL.conf.obsvModeTx, mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) /*!< Enable Observation mode 0x0A CSI: Digital TX modulation signal CSO: none */ +#define rfalST25R3911ObsModeRx() st25r3911WriteTestRegister(0x01, gRFAL.conf.obsvModeRx, mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) /*!< Enable Observation mode 0x04 CSI: Digital output of AM channel CSO: Digital output of PM channel */ + + +#define rfalCheckDisableObsMode() if(gRFAL.conf.obsvModeRx){ rfalST25R3911ObsModeDisable(); } /*!< Checks if the observation mode is enabled, and applies on ST25R3911 */ +#define rfalCheckEnableObsModeTx() if(gRFAL.conf.obsvModeTx){ rfalST25R3911ObsModeTx(); } /*!< Checks if the observation mode is enabled, and applies on ST25R3911 */ +#define rfalCheckEnableObsModeRx() if(gRFAL.conf.obsvModeRx){ rfalST25R3911ObsModeRx(); } /*!< Checks if the observation mode is enabled, and applies on ST25R3911 */ + + +#define rfalGetIncmplBits( FIFOStatus2 ) (( FIFOStatus2 >> 1) & 0x07) /*!< Returns the number of bits from fifo status */ +#define rfalIsIncompleteByteError( error ) ((error >= ERR_INCOMPLETE_BYTE) && (error <= ERR_INCOMPLETE_BYTE_07)) /*!< Checks if given error is a Incomplete error */ + +#define rfalConvBR2ACBR( b ) (((b+1)<<RFAL_ANALOG_CONFIG_BITRATE_SHIFT) & RFAL_ANALOG_CONFIG_BITRATE_MASK) /*!< Converts ST25R391x Bit rate to Analog Configuration bit rate id */ + + +#define rfalIsModeActiveComm( md ) ( (md == RFAL_MODE_POLL_ACTIVE_P2P) || (md == RFAL_MODE_LISTEN_ACTIVE_P2P) ) /*!< Checks if mode md is Active Communication */ +#define rfalIsModePassiveComm( md ) ( !rfalIsModeActiveComm(md) ) /*!< Checks if mode md is Passive Communication*/ +#define rfalIsModePassiveListen( md ) ( (md == RFAL_MODE_LISTEN_NFCA) || (md == RFAL_MODE_LISTEN_NFCB) || (md == RFAL_MODE_LISTEN_NFCF) ) /*!< Checks if mode md is Passive Listen */ +#define rfalIsModePassivePoll( md ) ( rfalIsModePassiveComm(md) && !rfalIsModePassiveListen(md) ) /*!< Checks if mode md is Passive Poll */ + +/* + ****************************************************************************** + * LOCAL VARIABLES + ****************************************************************************** + */ + +static rfal gRFAL; /*!< RFAL module instance */ + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +static void rfalTransceiveTx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalTransceiveRx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode rfalTransceiveRunBlockingTx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalPrepareTransceive( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalCleanupTransceive( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalErrorHandling( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode rfalRunTransceiveWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static ReturnCode rfalRunListenModeWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalRunWakeUpModeWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +static void rfalFIFOStatusUpdate( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static void rfalFIFOStatusClear( void ); +static bool rfalFIFOStatusIsMissingPar( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static bool rfalFIFOStatusIsIncompleteByte( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static uint8_t rfalFIFOStatusGetNumBytes( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +static uint8_t rfalFIFOGetNumIncompleteBits( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +ReturnCode rfalInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, + DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, + DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + + st25r3911InitInterrupts( fieldLED_06 ); + + /* Initialize chip */ + st25r3911Initialize( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check expected chip: ST25R3911 */ + if( !st25r3911CheckChipID( NULL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + return ERR_HW_MISMATCH; + } + + /*******************************************************************************/ + /* Apply RF Chip general initialization */ + rfalSetAnalogConfig( RFAL_ANALOG_CONFIG_TECH_CHIP, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* Set FIFO Water Levels to be used */ + st25r3911ChangeRegisterBits( ST25R3911_REG_IO_CONF1, (ST25R3911_REG_IO_CONF1_fifo_lt | ST25R3911_REG_IO_CONF1_fifo_lr), (ST25R3911_REG_IO_CONF1_fifo_lt_32bytes | ST25R3911_REG_IO_CONF1_fifo_lr_64bytes), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Always have CRC in FIFO upon reception */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_crc_2_fifo, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable External Field Detector */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_en_fd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable any previous observation mode */ + rfalST25R3911ObsModeDisable(); + + /* Clear FIFO status local copy */ + rfalFIFOStatusClear(); + + + /*******************************************************************************/ + /* Debug purposes */ + /*logSetLevel( LOG_MODULE_DEFAULT, LOG_LEVEL_INFO ); !!!!!!!!!!!!!!! */ + /* rfalSetObsvMode( 0x0A, 0x04 ); */ + + /*******************************************************************************/ + gRFAL.state = RFAL_STATE_INIT; + gRFAL.mode = RFAL_MODE_NONE; + gRFAL.field = false; + + /* Set RFAL default configs */ + gRFAL.conf.obsvModeTx = RFAL_OBSMODE_DISABLE; + gRFAL.conf.obsvModeRx = RFAL_OBSMODE_DISABLE; + gRFAL.conf.eHandling = RFAL_ERRORHANDLING_NONE; + + /* Transceive set to IDLE */ + gRFAL.TxRx.lastState = RFAL_TXRX_STATE_IDLE; + gRFAL.TxRx.state = RFAL_TXRX_STATE_IDLE; + + /* Disable all timings */ + gRFAL.timings.FDTListen = RFAL_TIMING_NONE; + gRFAL.timings.FDTPoll = RFAL_TIMING_NONE; + gRFAL.timings.GT = RFAL_TIMING_NONE; + + gRFAL.tmr.GT = RFAL_TIMING_NONE; + + gRFAL.callbacks.preTxRx = NULL; + gRFAL.callbacks.postTxRx = NULL; + +#if RFAL_FEATURE_NFCV + /* Initialize NFC-V Data */ + gRFAL.nfcvData.ignoreBits = 0; +#endif /* RFAL_FEATURE_NFCV */ + + /* Initialize Listen Mode */ + gRFAL.Lm.state = RFAL_LM_STATE_NOT_INIT; + gRFAL.Lm.brDetected = RFAL_BR_KEEP; + + /* Initialize Wake-Up Mode */ + gRFAL.wum.state = RFAL_WUM_STATE_NOT_INIT; + + + /*******************************************************************************/ + /* Perform Automatic Calibration (if configured to do so). * + * Registers set by rfalSetAnalogConfig will tell rfalCalibrate what to perform*/ + rfalCalibrate( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalCalibrate( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint16_t resValue; + + /* Check if RFAL is not initialized */ + if( gRFAL.state == RFAL_STATE_IDLE ) + { + return ERR_WRONG_STATE; + } + + /*******************************************************************************/ + /* Perform ST25R3911 regulators and antenna calibration */ + /*******************************************************************************/ + + /* Automatic regulator adjustment only performed if not set manually on Analog Configs */ + if( st25r3911CheckReg( ST25R3911_REG_REGULATOR_CONTROL, ST25R3911_REG_REGULATOR_CONTROL_reg_s, 0x00, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + /* Adjust the regulators so that Antenna Calibrate has better Regulator values */ + st25r3911AdjustRegulators( &resValue, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Automatic Antenna calibration only performed if not set manually on Analog Configs */ + if( st25r3911CheckReg( ST25R3911_REG_ANT_CAL_CONTROL, ST25R3911_REG_ANT_CAL_CONTROL_trim_s, 0x00, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + st25r3911CalibrateAntenna( (uint8_t*) &resValue, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #1.5 */ + /* Always run the command Calibrate Antenna twice */ + st25r3911CalibrateAntenna( (uint8_t*) &resValue, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + /*******************************************************************************/ + + } + else + { + /* If no antenna calibration is performed there is no need to perform second regulator adjustment again */ + return ERR_NONE; + } + + if( st25r3911CheckReg( ST25R3911_REG_REGULATOR_CONTROL, ST25R3911_REG_REGULATOR_CONTROL_reg_s, 0x00, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + /* Adjust the regulators again with the Antenna calibrated */ + st25r3911AdjustRegulators( &resValue, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalAdjustRegulators( uint16_t* result, SPI *mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + /*******************************************************************************/ + /* Make use of the Automatic Adjust */ + st25r3911ClrRegisterBits( ST25R3911_REG_REGULATOR_CONTROL, ST25R3911_REG_REGULATOR_CONTROL_reg_s, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return st25r3911AdjustRegulators( result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +void rfalSetUpperLayerCallback( rfalUpperLayerCallback pFunc ) +{ + st25r3911IRQCallbackSet( pFunc ); +} + + +/*******************************************************************************/ +void rfalSetPreTxRxCallback( rfalPreTxRxCallback pFunc ) +{ + gRFAL.callbacks.preTxRx = pFunc; +} + + +/*******************************************************************************/ +void rfalSetPostTxRxCallback( rfalPostTxRxCallback pFunc ) +{ + gRFAL.callbacks.postTxRx = pFunc; +} + + +/*******************************************************************************/ +ReturnCode rfalDeinitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + /* Deinitialize chip */ + st25r3911Deinitialize(mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gRFAL.state = RFAL_STATE_IDLE; + return ERR_NONE; +} + + +/*******************************************************************************/ +void rfalSetObsvMode( uint8_t txMode, uint8_t rxMode ) +{ + gRFAL.conf.obsvModeTx = txMode; + gRFAL.conf.obsvModeRx = rxMode; +} + + +/*******************************************************************************/ +void rfalGetObsvMode( uint8_t* txMode, uint8_t* rxMode ) +{ + if(txMode != NULL) + { + *txMode = gRFAL.conf.obsvModeTx; + } + + if(rxMode != NULL) + { + *rxMode = gRFAL.conf.obsvModeRx; + } +} + + +/*******************************************************************************/ +void rfalDisableObsvMode( void ) +{ + gRFAL.conf.obsvModeTx = RFAL_OBSMODE_DISABLE; + gRFAL.conf.obsvModeRx = RFAL_OBSMODE_DISABLE; +} + + +/*******************************************************************************/ +ReturnCode rfalSetMode( rfalMode mode, rfalBitRate txBR, rfalBitRate rxBR,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + + /* Check if RFAL is not initialized */ + if( gRFAL.state == RFAL_STATE_IDLE ) + { + return ERR_WRONG_STATE; + } + + /* Check allowed bit rate value */ + if( (txBR == RFAL_BR_KEEP) || (rxBR == RFAL_BR_KEEP) ) + { + return ERR_PARAM; + } + + switch( mode ) + { + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCA: + + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable ISO14443A mode */ + mST25 -> writeRegister(ST25R3911_REG_MODE, ST25R3911_REG_MODE_om_iso14443a, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCA_T1T: + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable Topaz mode */ + mST25 ->writeRegister( ST25R3911_REG_MODE, ST25R3911_REG_MODE_om_topaz, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCB: + + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable ISO14443B mode */ + mST25 -> writeRegister(ST25R3911_REG_MODE, ST25R3911_REG_MODE_om_iso14443b, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set the EGT, SOF, EOF and EOF */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443B_1, + (ST25R3911_REG_ISO14443B_1_mask_egt | ST25R3911_REG_ISO14443B_1_mask_sof | ST25R3911_REG_ISO14443B_1_mask_eof), + ( (0<<ST25R3911_REG_ISO14443B_1_shift_egt) | ST25R3911_REG_ISO14443B_1_sof_0_10etu | ST25R3911_REG_ISO14443B_1_sof_1_2etu), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set the minimum TR1, SOF, EOF and EOF12 */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443B_2, + (ST25R3911_REG_ISO14443B_2_mask_tr1 | ST25R3911_REG_ISO14443B_2_no_sof | ST25R3911_REG_ISO14443B_2_no_eof |ST25R3911_REG_ISO14443B_2_eof_12), + (ST25R3911_REG_ISO14443B_2_tr1_80fs80fs | ST25R3911_REG_ISO14443B_2_eof_12_10to11etu ), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_B_PRIME: + + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable ISO14443B mode */ + mST25->writeRegister(ST25R3911_REG_MODE, ST25R3911_REG_MODE_om_iso14443b, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + /* Set the EGT, SOF, EOF and EOF */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443B_1, + (ST25R3911_REG_ISO14443B_1_mask_egt | ST25R3911_REG_ISO14443B_1_mask_sof | ST25R3911_REG_ISO14443B_1_mask_eof), + ( (0<<ST25R3911_REG_ISO14443B_1_shift_egt) | ST25R3911_REG_ISO14443B_1_sof_0_10etu | ST25R3911_REG_ISO14443B_1_sof_1_2etu), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set the minimum TR1, EOF and EOF12 */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443B_2, + (ST25R3911_REG_ISO14443B_2_mask_tr1 | ST25R3911_REG_ISO14443B_2_no_sof | ST25R3911_REG_ISO14443B_2_no_eof |ST25R3911_REG_ISO14443B_2_eof_12), + (ST25R3911_REG_ISO14443B_2_tr1_80fs80fs | ST25R3911_REG_ISO14443B_2_no_sof | ST25R3911_REG_ISO14443B_2_eof_12_10to12etu ), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_B_CTS: + + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable ISO14443B mode */ + mST25->writeRegister(ST25R3911_REG_MODE, ST25R3911_REG_MODE_om_iso14443b, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set the EGT, SOF, EOF and EOF */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443B_1, + (ST25R3911_REG_ISO14443B_1_mask_egt | ST25R3911_REG_ISO14443B_1_mask_sof | ST25R3911_REG_ISO14443B_1_mask_eof), + ( (0<<ST25R3911_REG_ISO14443B_1_shift_egt) | ST25R3911_REG_ISO14443B_1_sof_0_10etu | ST25R3911_REG_ISO14443B_1_sof_1_2etu), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set the minimum TR1, clear SOF, EOF and EOF12 */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443B_2, + (ST25R3911_REG_ISO14443B_2_mask_tr1 | ST25R3911_REG_ISO14443B_2_no_sof | ST25R3911_REG_ISO14443B_2_no_eof |ST25R3911_REG_ISO14443B_2_eof_12), + (ST25R3911_REG_ISO14443B_2_tr1_80fs80fs | ST25R3911_REG_ISO14443B_2_no_sof | ST25R3911_REG_ISO14443B_2_no_eof ), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCF: + + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable FeliCa mode */ + mST25->writeRegister( ST25R3911_REG_MODE, ST25R3911_REG_MODE_om_felica, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCV: + case RFAL_MODE_POLL_PICOPASS: + + /* Disable wake up mode, if set */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCV | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCV | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_ACTIVE_P2P: + + /* Set NFCIP1 active communication initiator mode and Enable NFC Automatic Response RF Collision Avoidance */ + mST25->writeRegister(ST25R3911_REG_MODE, (ST25R3911_REG_MODE_targ_init | ST25R3911_REG_MODE_om_nfc | ST25R3911_REG_MODE_nfc_ar), + mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set GPT to start after end of TX, as GPT is used in active communication mode to timeout the field switching off */ + /* The field is turned off 37.76us after the end of the transmission Trfw */ + st25r3911StartGPTimer_8fcs( rfalConv1fcTo8fc( RFAL_AP2P_FIELDOFF_TRFW ), ST25R3911_REG_GPT_CONTROL_gptc_etx_nfc, + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable External Field Detector */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_en_fd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_LISTEN_ACTIVE_P2P: + + /* Set NFCIP1 active communication initiator mode and Enable NFC Automatic Response RF Collision Avoidance */ + mST25-> writeRegister(ST25R3911_REG_MODE, (ST25R3911_REG_MODE_targ_targ | ST25R3911_REG_MODE_om_nfcip1_normal_mode | ST25R3911_REG_MODE_nfc_ar), + mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set GPT to start after end of TX, as GPT is used in active communication mode to timeout the field switching off */ + /* The field is turned off 37.76us after the end of the transmission Trfw */ + st25r3911StartGPTimer_8fcs( rfalConv1fcTo8fc( RFAL_AP2P_FIELDOFF_TRFW ), ST25R3911_REG_GPT_CONTROL_gptc_etx_nfc, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + /* Enable External Field Detector */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_en_fd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for this mode and bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_LISTEN_NFCA: + case RFAL_MODE_LISTEN_NFCB: + case RFAL_MODE_LISTEN_NFCF: + return ERR_NOTSUPP; + + /*******************************************************************************/ + default: + return ERR_NOT_IMPLEMENTED; + } + + /* Set state as STATE_MODE_SET only if not initialized yet (PSL) */ + gRFAL.state = ((gRFAL.state < RFAL_STATE_MODE_SET) ? RFAL_STATE_MODE_SET : gRFAL.state); + gRFAL.mode = mode; + + /* Apply the given bit rate */ + return rfalSetBitRate(txBR, rxBR, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +rfalMode rfalGetMode( void ) +{ + return gRFAL.mode; +} + + +/*******************************************************************************/ +ReturnCode rfalSetBitRate( rfalBitRate txBR, rfalBitRate rxBR, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + /* Check if RFAL is not initialized */ + if( gRFAL.state == RFAL_STATE_IDLE ) + { + return ERR_WRONG_STATE; + } + + /* Store the new Bit Rates */ + gRFAL.txBR = ((txBR == RFAL_BR_KEEP) ? gRFAL.txBR : txBR); + gRFAL.rxBR = ((rxBR == RFAL_BR_KEEP) ? gRFAL.rxBR : rxBR); + + /* Update the bitrate reg if not in NFCV mode (streaming) */ + if( (RFAL_MODE_POLL_NFCV != gRFAL.mode) && (RFAL_MODE_POLL_PICOPASS != gRFAL.mode) ) + { + EXIT_ON_ERR( ret, st25r3911SetBitrate( gRFAL.txBR, gRFAL.rxBR, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + + + switch( gRFAL.mode ) + { + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCA: + case RFAL_MODE_POLL_NFCA_T1T: + + /* Set Analog configurations for this bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | rfalConvBR2ACBR(gRFAL.txBR) | RFAL_ANALOG_CONFIG_TX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCA | rfalConvBR2ACBR(gRFAL.rxBR) | RFAL_ANALOG_CONFIG_RX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCB: + case RFAL_MODE_POLL_B_PRIME: + case RFAL_MODE_POLL_B_CTS: + + /* Set Analog configurations for this bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | rfalConvBR2ACBR(gRFAL.txBR) | RFAL_ANALOG_CONFIG_TX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCB | rfalConvBR2ACBR(gRFAL.rxBR) | RFAL_ANALOG_CONFIG_RX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCF: + + /* Set Analog configurations for this bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | rfalConvBR2ACBR(gRFAL.txBR) | RFAL_ANALOG_CONFIG_TX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCF | rfalConvBR2ACBR(gRFAL.rxBR) | RFAL_ANALOG_CONFIG_RX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_POLL_NFCV: + case RFAL_MODE_POLL_PICOPASS: + + #if !RFAL_FEATURE_NFCV + return ERR_DISABLED; + #else + + if( ((gRFAL.rxBR != RFAL_BR_26p48) && (gRFAL.rxBR != RFAL_BR_52p97)) || ((gRFAL.txBR != RFAL_BR_1p66) && (gRFAL.txBR != RFAL_BR_26p48)) ) + { + return ERR_PARAM; + } + + { + const struct iso15693StreamConfig *stream_config; + iso15693PhyConfig_t config; + + config.coding = (( gRFAL.txBR == RFAL_BR_1p66 ) ? ISO15693_VCD_CODING_1_256 : ISO15693_VCD_CODING_1_4); + config.fastMode = (( gRFAL.rxBR == RFAL_BR_52p97 ) ? true : false); + + iso15693PhyConfigure(&config, &stream_config); + st25r3911StreamConfigure((struct st25r3911StreamConfig*)stream_config, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Set Analog configurations for this bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCV | rfalConvBR2ACBR(gRFAL.txBR) | RFAL_ANALOG_CONFIG_TX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_NFCV | rfalConvBR2ACBR(gRFAL.rxBR) | RFAL_ANALOG_CONFIG_RX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + #endif /* RFAL_FEATURE_NFCV */ + + + /*******************************************************************************/ + case RFAL_MODE_POLL_ACTIVE_P2P: + + /* Set Analog configurations for this bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | rfalConvBR2ACBR(gRFAL.txBR) | RFAL_ANALOG_CONFIG_TX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_POLL | RFAL_ANALOG_CONFIG_TECH_AP2P | rfalConvBR2ACBR(gRFAL.rxBR) | RFAL_ANALOG_CONFIG_RX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_LISTEN_ACTIVE_P2P: + + /* Set Analog configurations for this bit rate */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | rfalConvBR2ACBR(gRFAL.txBR) | RFAL_ANALOG_CONFIG_TX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | rfalConvBR2ACBR(gRFAL.rxBR) | RFAL_ANALOG_CONFIG_RX ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /*******************************************************************************/ + case RFAL_MODE_LISTEN_NFCA: + case RFAL_MODE_LISTEN_NFCB: + case RFAL_MODE_LISTEN_NFCF: + case RFAL_MODE_NONE: + return ERR_WRONG_STATE; + + /*******************************************************************************/ + default: + return ERR_NOT_IMPLEMENTED; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalGetBitRate( rfalBitRate *txBR, rfalBitRate *rxBR ) +{ + if( (gRFAL.state == RFAL_STATE_IDLE) || (gRFAL.mode == RFAL_MODE_NONE) ) + { + return ERR_WRONG_STATE; + } + + if( txBR != NULL ) + { + *txBR = gRFAL.txBR; + } + + if( rxBR != NULL ) + { + *rxBR = gRFAL.rxBR; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalSetModulatedRFO( uint8_t rfo, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + mST25->writeRegister( ST25R3911_REG_RFO_AM_ON_LEVEL, rfo, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ERR_NONE; +} + + +/*******************************************************************************/ +uint8_t rfalGetModulatedRFO( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t ret; + + mST25->readRegister(ST25R3911_REG_RFO_AM_ON_LEVEL, &ret, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalMeasureRF( uint8_t* result, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + st25r3911MeasureRF( result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ERR_NONE; +} + + +/*******************************************************************************/ +void rfalSetErrorHandling( rfalEHandling eHandling ) +{ + gRFAL.conf.eHandling = eHandling; +} + + +/*******************************************************************************/ +rfalEHandling rfalGetErrorHandling( void ) +{ + return gRFAL.conf.eHandling; +} + + +/*******************************************************************************/ +void rfalSetFDTPoll( uint32_t FDTPoll ) +{ + gRFAL.timings.FDTPoll = MIN( FDTPoll, RFAL_ST25R3911_GPT_MAX_1FC ); +} + + +/*******************************************************************************/ +uint32_t rfalGetFDTPoll( void ) +{ + return gRFAL.timings.FDTPoll; +} + + +/*******************************************************************************/ +void rfalSetFDTListen( uint32_t FDTListen ) +{ + gRFAL.timings.FDTListen = MIN( FDTListen, RFAL_ST25R3911_MRT_MAX_1FC); +} + +/*******************************************************************************/ +uint32_t rfalGetFDTListen( void ) +{ + return gRFAL.timings.FDTListen; +} + +void rfalSetGT( uint32_t GT ) +{ + gRFAL.timings.GT = MIN( GT, RFAL_ST25R3911_GT_MAX_1FC ); +} + +/*******************************************************************************/ +uint32_t rfalGetGT( void ) +{ + return gRFAL.timings.GT; +} + +/*******************************************************************************/ +bool rfalIsGTExpired( void )//check here the platform time +{ + if( gRFAL.tmr.GT != RFAL_TIMING_NONE ) + { + if( !rfalTimerisExpired( gRFAL.tmr.GT ) ) + { + return false; + } + } + return true; +} + +/*******************************************************************************/ +ReturnCode rfalFieldOnAndStartGT( SPI *mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + /* Check if RFAL has been initialized (Oscillator should be running) and also + * if a direct register access has been performed and left the Oscillator Off */ + if( (gRFAL.state < RFAL_STATE_INIT) || !st25r3911CheckReg( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_en, ST25R3911_REG_OP_CONTROL_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + return ERR_WRONG_STATE; + } + + ret = ERR_NONE; + + /*******************************************************************************/ + /* Perform collision avoidance and turn field On if not already On */ + if( !gRFAL.field || !( st25r3911CheckReg(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, ST25R3911_REG_OP_CONTROL_tx_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) ) + { + /* Use Thresholds set by AnalogConfig */ + ret = st25r3911PerformCollisionAvoidance( ST25R3911_CMD_RESPONSE_RF_COLLISION_0, ST25R3911_THRESHOLD_DO_NOT_SET, ST25R3911_THRESHOLD_DO_NOT_SET, 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gRFAL.field = ( st25r3911CheckReg(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, ST25R3911_REG_OP_CONTROL_tx_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Only turn on Receiver and Transmitter if field was successfully turned On */ + if(gRFAL.field) + { + st25r3911TxRxOn( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; /* Enable Tx and Rx (Tx is already On) */ + } + } + + /*******************************************************************************/ + /* Start GT timer in case the GT value is set */ + if( (gRFAL.timings.GT != RFAL_TIMING_NONE) ) + { + /* Ensure that a SW timer doesn't have a lower value then the minimum */ + rfalTimerStart( gRFAL.tmr.GT, rfalConv1fcToMs( MAX( (gRFAL.timings.GT), RFAL_ST25R3911_GT_MIN_1FC) ) ); + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalFieldOff( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + /* Check whether a TxRx is not yet finished */ + if( gRFAL.TxRx.state != RFAL_TXRX_STATE_IDLE ) + { + rfalCleanupTransceive(mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Disable Tx and Rx */ + st25r3911TxRxOff( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + gRFAL.field = false; + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalStartTransceive( rfalTransceiveContext *ctx,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint32_t FxTAdj; /* FWT or FDT adjustment calculation */ + + /* Ensure that RFAL is already Initialized and the mode has been set */ + if( (gRFAL.state >= RFAL_STATE_MODE_SET) /*&& (gRFAL.TxRx.state == RFAL_TXRX_STATE_INIT )*/ ) + { + /*******************************************************************************/ + /* Check whether the field is already On, otherwise no TXE will be received */ + if( !( st25r3911CheckReg(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, ST25R3911_REG_OP_CONTROL_tx_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + && (!rfalIsModePassiveListen( gRFAL.mode ) && (ctx->txBuf != NULL)) ) + { + return ERR_WRONG_STATE; + } + + gRFAL.TxRx.ctx = *ctx; + + /*******************************************************************************/ + if( gRFAL.timings.FDTListen != RFAL_TIMING_NONE ) + { + /* Calculate MRT adjustment accordingly to the current mode */ + FxTAdj = RFAL_FDT_LISTEN_MRT_ADJUSTMENT; + if(gRFAL.mode == RFAL_MODE_POLL_NFCA) FxTAdj += RFAL_FDT_LISTEN_A_ADJUSTMENT; + else if(gRFAL.mode == RFAL_MODE_POLL_NFCA_T1T) FxTAdj += RFAL_FDT_LISTEN_A_ADJUSTMENT; + else if(gRFAL.mode == RFAL_MODE_POLL_NFCB) FxTAdj += RFAL_FDT_LISTEN_B_ADJUSTMENT; + + + /* Set Minimum FDT(Listen) in which PICC is not allowed to send a response */ + mST25 -> writeRegister( ST25R3911_REG_MASK_RX_TIMER, rfalConv1fcTo64fc( (FxTAdj > gRFAL.timings.FDTListen) ? RFAL_ST25R3911_MRT_MIN_1FC : (gRFAL.timings.FDTListen - FxTAdj) ), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + } + + /*******************************************************************************/ + /* FDT Poll will be loaded in rfalPrepareTransceive() once the previous was expired */ + + /*******************************************************************************/ + if( rfalIsModePassiveComm( gRFAL.mode ) ) /* Passive Comms */ + { + if( (gRFAL.TxRx.ctx.fwt != RFAL_FWT_NONE) && (gRFAL.TxRx.ctx.fwt != 0) ) + { + FxTAdj = RFAL_FWT_ADJUSTMENT; + if(gRFAL.mode == RFAL_MODE_POLL_NFCA) FxTAdj += RFAL_FWT_A_ADJUSTMENT; + else if(gRFAL.mode == RFAL_MODE_POLL_NFCA_T1T) FxTAdj += RFAL_FWT_A_ADJUSTMENT; + else if(gRFAL.mode == RFAL_MODE_POLL_NFCB) FxTAdj += RFAL_FWT_B_ADJUSTMENT; + else if(gRFAL.mode == RFAL_MODE_POLL_NFCF) + { + FxTAdj += ((gRFAL.txBR == RFAL_BR_212) ? RFAL_FWT_F_212_ADJUSTMENT : RFAL_FWT_F_424_ADJUSTMENT ); + } + + /* Ensure that the given FWT doesn't exceed NRT maximum */ + gRFAL.TxRx.ctx.fwt = MIN( (gRFAL.TxRx.ctx.fwt + FxTAdj), RFAL_ST25R3911_NRT_MAX_1FC ); + + /* Set FWT in the NRT */ + st25r3911SetNoResponseTime_64fcs( rfalConv1fcTo64fc( gRFAL.TxRx.ctx.fwt ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + /* Disable NRT, no NRE will be triggered, therefore wait endlessly for Rx */ + st25r3911SetNoResponseTime_64fcs( RFAL_ST25R3911_NRT_DISABLED, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + } + else /* Active Comms */ + { + /* Setup NRT timer for rf response RF collision timeout. */ + st25r3911SetNoResponseTime_64fcs( rfalConv1fcTo64fc(RFAL_AP2P_FIELDON_TADTTRFW), mspiChannel, mST25, gpio_cs, IRQ , fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + /* In Active Mode No Response Timer cannot be used to measure FWT a SW timer is used instead */ + } + + gRFAL.state = RFAL_STATE_TXRX; + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_IDLE; + gRFAL.TxRx.status = ERR_BUSY; + gRFAL.TxRx.rxse = false; + + #if RFAL_FEATURE_NFCV + /*******************************************************************************/ + if( (RFAL_MODE_POLL_NFCV == gRFAL.mode) || (RFAL_MODE_POLL_PICOPASS == gRFAL.mode) ) + { /* Exchange receive buffer with internal buffer */ + gRFAL.nfcvData.origCtx = gRFAL.TxRx.ctx; + + gRFAL.TxRx.ctx.rxBuf = ((gRFAL.nfcvData.origCtx.rxBuf != NULL) ? gRFAL.nfcvData.codingBuffer : NULL); + gRFAL.TxRx.ctx.rxBufLen = rfalConvBytesToBits(sizeof(gRFAL.nfcvData.codingBuffer)); + gRFAL.TxRx.ctx.flags = RFAL_TXRX_FLAGS_CRC_TX_MANUAL + | RFAL_TXRX_FLAGS_CRC_RX_KEEP + | RFAL_TXRX_FLAGS_NFCIP1_OFF + | (gRFAL.nfcvData.origCtx.flags & RFAL_TXRX_FLAGS_AGC_OFF) + | RFAL_TXRX_FLAGS_PAR_RX_KEEP + | RFAL_TXRX_FLAGS_PAR_TX_NONE; + /* In NFCV a transceive with valid txBuf and txBufSize==0 should send first an EOF. + In this case avoid below code for going directly into receive. */ + if (gRFAL.TxRx.ctx.txBuf) return ERR_NONE; + } + #endif /* RFAL_FEATURE_NFCV */ + + + /*******************************************************************************/ + /* Check if the Transceive start performing Tx or goes directly to Rx */ + if( (gRFAL.TxRx.ctx.txBuf == NULL) || (gRFAL.TxRx.ctx.txBufLen == 0) ) + { + /* Disable our field upon a Rx reEnable on AP2P */ + if( rfalIsModeActiveComm(gRFAL.mode) ) + { + st25r3911ClrRegisterBits((unsigned char)(ST25R3911_REG_OP_CONTROL),(unsigned char)(ST25R3911_REG_OP_CONTROL_tx_en), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Clear FIFO, Clear and Enable the Interrupts */ + rfalPrepareTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* No Tx done, enable the Receiver */ + mST25 -> executeCommand( ST25R3911_CMD_UNMASK_RECEIVE_DATA, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Start NRT manually, if FWT = 0 (wait endlessly for Rx) chip will ignore anyhow */ + mST25 -> executeCommand( ST25R3911_CMD_START_NO_RESPONSE_TIMER, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_IDLE; + } + + return ERR_NONE; + } + + return ERR_WRONG_STATE; +} + + +/*******************************************************************************/ +ReturnCode rfalTransceiveBlockingTx( uint8_t* txBuf, uint16_t txBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t* actLen, uint32_t flags, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalTransceiveContext ctx; + + rfalCreateByteFlagsTxRxContext( ctx, txBuf, txBufLen, rxBuf, rxBufLen, actLen, flags, fwt ); + EXIT_ON_ERR( ret, rfalStartTransceive( &ctx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + return rfalTransceiveRunBlockingTx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +static ReturnCode rfalTransceiveRunBlockingTx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + do{ + rfalWorker(mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + while( ((ret = rfalGetTransceiveStatus() ) == ERR_BUSY) && rfalIsTransceiveInTx() ); + + if( rfalIsTransceiveInRx() ) + { + return ERR_NONE; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalTransceiveBlockingRx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + do{ + rfalWorker( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + while( ((ret = rfalGetTransceiveStatus() ) == ERR_BUSY) && rfalIsTransceiveInRx() ); + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalTransceiveBlockingTxRx( uint8_t* txBuf, uint16_t txBufLen, + uint8_t* rxBuf, uint16_t rxBufLen, uint16_t* actLen, uint32_t flags, + uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR( ret, rfalTransceiveBlockingTx( txBuf, txBufLen, rxBuf, rxBufLen, actLen, flags, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + ret = rfalTransceiveBlockingRx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + /* Convert received bits to bytes */ + if( actLen != NULL ) + { + *actLen = rfalConvBitsToBytes(*actLen); + } + + return ret; +} + + +/*******************************************************************************/ +static ReturnCode rfalRunTransceiveWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( gRFAL.state == RFAL_STATE_TXRX ) + { + /* Run Tx or Rx state machines */ + if( rfalIsTransceiveInTx() ) + { + rfalTransceiveTx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return rfalGetTransceiveStatus(); + } + else if( rfalIsTransceiveInRx() ) + { + rfalTransceiveRx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return rfalGetTransceiveStatus(); + } + } + return ERR_WRONG_STATE; +} + +/*******************************************************************************/ +rfalTransceiveState rfalGetTransceiveState( void ) +{ + return gRFAL.TxRx.state; +} + +ReturnCode rfalGetTransceiveStatus( void ) +{ + uint16_t ERR = uint16_t(ERR_BUSY); + return ((gRFAL.TxRx.state == RFAL_TXRX_STATE_IDLE) ? gRFAL.TxRx.status : ERR); +} + + +/*******************************************************************************/ +void rfalWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + switch( gRFAL.state ) + { + case RFAL_STATE_TXRX: + rfalRunTransceiveWorker( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + case RFAL_STATE_LM: + rfalRunListenModeWorker( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + case RFAL_STATE_WUM: + rfalRunWakeUpModeWorker(mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + + /* Nothing to be done */ + default: + break; + } +} + + +/*******************************************************************************/ +static void rfalErrorHandling( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t fifoBytesToRead; + uint8_t reEnRx[] = { ST25R3911_CMD_CLEAR_FIFO, ST25R3911_CMD_UNMASK_RECEIVE_DATA }; + + + fifoBytesToRead = rfalFIFOStatusGetNumBytes(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* EMVCo */ + /*******************************************************************************/ + if( gRFAL.conf.eHandling == RFAL_ERRORHANDLING_EMVCO ) + { + /*******************************************************************************/ + /* EMD Handling - NFC Forum Digital 1.1 4.1.1.1 ; EMVCo 2.6 4.9.2 */ + /* ReEnable the receiver on frames with a length < 4 bytes, upon: */ + /* - Collision or Framing error detected */ + /* - Residual bits are detected (hard framing error) */ + /* - Parity error */ + /* - CRC error */ + /*******************************************************************************/ + + /* In case there are residual bits decrement FIFO bytes */ + if( rfalFIFOStatusIsIncompleteByte(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) || rfalFIFOStatusIsMissingPar(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + fifoBytesToRead--; + } + + if( ( (gRFAL.fifo.bytesTotal + fifoBytesToRead) < RFAL_EMVCO_RX_MAXLEN ) && + ( (gRFAL.TxRx.status == ERR_RF_COLLISION) || (gRFAL.TxRx.status == ERR_FRAMING) || + (gRFAL.TxRx.status == ERR_PAR) || (gRFAL.TxRx.status == ERR_CRC) || + rfalFIFOStatusIsIncompleteByte(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) || rfalFIFOStatusIsMissingPar(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) ) + { + /* Ignore this reception, ReEnable receiver */ + mST25 -> executeCommands( reEnRx, sizeof(reEnRx), mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + rfalFIFOStatusClear(); + gRFAL.fifo.bytesTotal = 0; + gRFAL.TxRx.status = ERR_BUSY; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_WAIT_RXS; + } + return; + } + + /*******************************************************************************/ + /* ISO14443A Mode */ + /*******************************************************************************/ + if( gRFAL.mode == RFAL_MODE_POLL_NFCA ) + { + + /*******************************************************************************/ + /* If we received one incomplete byte (not a block and a incomplete byte at * + * the end) we`ll raise a specific error ( support for T2T 4 bit ACK / NAK ) * + * Otherwise just leave it as an CRC/FRAMING/PAR error */ + /*******************************************************************************/ + if( (gRFAL.TxRx.status == ERR_PAR) || (gRFAL.TxRx.status == ERR_CRC) ) + { + if( rfalFIFOStatusIsIncompleteByte(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) && (fifoBytesToRead == RFAL_NFC_RX_INCOMPLETE_LEN) ) + { + mST25 -> readFifo( (uint8_t*)(gRFAL.TxRx.ctx.rxBuf), fifoBytesToRead, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( gRFAL.TxRx.ctx.rxRcvdLen ) *gRFAL.TxRx.ctx.rxRcvdLen = rfalFIFOGetNumIncompleteBits(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gRFAL.TxRx.status = ERR_INCOMPLETE_BYTE; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + } + } + } + +} + + +/*******************************************************************************/ +static void rfalCleanupTransceive( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + /*******************************************************************************/ + /* Transceive flags */ + /*******************************************************************************/ + + /* Restore default settings on NFCIP1 mode, Receiving parity + CRC bits and manual Tx Parity*/ + st25r3911ClrRegisterBits( ST25R3911_REG_ISO14443A_NFC, (ST25R3911_REG_ISO14443A_NFC_no_tx_par | ST25R3911_REG_ISO14443A_NFC_no_rx_par | ST25R3911_REG_ISO14443A_NFC_nfc_f0),mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Restore AGC enabled */ + st25r3911SetRegisterBits( ST25R3911_REG_RX_CONF2, ST25R3911_REG_RX_CONF2_agc_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + + + + /*******************************************************************************/ + /* Execute Post Transceive Callback */ + /*******************************************************************************/ + if( gRFAL.callbacks.postTxRx != NULL ) + { + gRFAL.callbacks.postTxRx(); + } + /*******************************************************************************/ + +} + + +/*******************************************************************************/ +static void rfalPrepareTransceive( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint32_t maskInterrupts; + uint8_t reg; + + /*******************************************************************************/ + /* In the EMVCo mode the NRT will continue to run. * + * For the clear to stop it, the EMV mode has to be disabled before */ + st25r3911ClrRegisterBits( ST25R3911_REG_GPT_CONTROL, ST25R3911_REG_GPT_CONTROL_nrt_emv, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Reset receive logic */ + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_FIFO, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Reset Rx Gain */ + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_SQUELCH, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* FDT Poll */ + /*******************************************************************************/ + if( rfalIsModePassiveComm( gRFAL.mode ) ) /* Passive Comms */ + { + /* In Passive communications General Purpose Timer is used to measure FDT Poll */ + if( gRFAL.timings.FDTPoll != RFAL_TIMING_NONE ) + { + /* Configure GPT to start at RX end */ + st25r3911StartGPTimer_8fcs( rfalConv1fcTo8fc( MIN( gRFAL.timings.FDTPoll, (gRFAL.timings.FDTPoll - RFAL_FDT_POLL_ADJUSTMENT) ) ), ST25R3911_REG_GPT_CONTROL_gptc_erx, + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + } + + + /*******************************************************************************/ + /* Execute Pre Transceive Callback */ + /*******************************************************************************/ + if( gRFAL.callbacks.preTxRx != NULL ) + { + gRFAL.callbacks.preTxRx(); + } + /*******************************************************************************/ + + maskInterrupts = ( ST25R3911_IRQ_MASK_FWL | ST25R3911_IRQ_MASK_TXE | + ST25R3911_IRQ_MASK_RXS | ST25R3911_IRQ_MASK_RXE | + ST25R3911_IRQ_MASK_FWL | ST25R3911_IRQ_MASK_NRE | + ST25R3911_IRQ_MASK_PAR | ST25R3911_IRQ_MASK_CRC | + ST25R3911_IRQ_MASK_ERR1 | ST25R3911_IRQ_MASK_ERR2 ); + + + /*******************************************************************************/ + /* Transceive flags */ + /*******************************************************************************/ + + reg = (ST25R3911_REG_ISO14443A_NFC_no_tx_par_off | ST25R3911_REG_ISO14443A_NFC_no_rx_par_off | ST25R3911_REG_ISO14443A_NFC_nfc_f0_off); + + /* Check if NFCIP1 mode is to be enabled */ + if( (gRFAL.TxRx.ctx.flags & RFAL_TXRX_FLAGS_NFCIP1_ON) ) + { + reg |= ST25R3911_REG_ISO14443A_NFC_nfc_f0; + } + + /* Check if Parity check is to be skipped and to keep the parity + CRC bits in FIFO */ + if( (gRFAL.TxRx.ctx.flags & RFAL_TXRX_FLAGS_PAR_RX_KEEP) ) + { + reg |= ST25R3911_REG_ISO14443A_NFC_no_rx_par; + } + + /* Check if automatic Parity bits is to be disabled */ + if( (gRFAL.TxRx.ctx.flags & RFAL_TXRX_FLAGS_PAR_TX_NONE) ) + { + reg |= ST25R3911_REG_ISO14443A_NFC_no_tx_par; + } + + /* Apply current TxRx flags on ISO14443A and NFC 106kb/s Settings Register */ + st25r3911ChangeRegisterBits( ST25R3911_REG_ISO14443A_NFC, (ST25R3911_REG_ISO14443A_NFC_no_tx_par | ST25R3911_REG_ISO14443A_NFC_no_rx_par | ST25R3911_REG_ISO14443A_NFC_nfc_f0), + reg, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /* Check if AGC is to be disabled */ + if( (gRFAL.TxRx.ctx.flags & RFAL_TXRX_FLAGS_AGC_OFF) ) + { + st25r3911ClrRegisterBits( ST25R3911_REG_RX_CONF2, ST25R3911_REG_RX_CONF2_agc_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + st25r3911SetRegisterBits( ST25R3911_REG_RX_CONF2, ST25R3911_REG_RX_CONF2_agc_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + /*******************************************************************************/ + + + + /*******************************************************************************/ + /* EMVCo NRT mode */ + /*******************************************************************************/ + if( gRFAL.conf.eHandling == RFAL_ERRORHANDLING_EMVCO ) + { + st25r3911SetRegisterBits( ST25R3911_REG_GPT_CONTROL, ST25R3911_REG_GPT_CONTROL_nrt_emv, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + st25r3911ClrRegisterBits( ST25R3911_REG_GPT_CONTROL, ST25R3911_REG_GPT_CONTROL_nrt_emv, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + /*******************************************************************************/ + + + + /* In Active comms enable also External Field interrupts */ + if( rfalIsModeActiveComm( gRFAL.mode ) ) + { + maskInterrupts |= ( ST25R3911_IRQ_MASK_EOF | ST25R3911_IRQ_MASK_EON | ST25R3911_IRQ_MASK_CAT | ST25R3911_IRQ_MASK_CAC ); + } + + + /*******************************************************************************/ + /* clear and enable these interrupts */ + st25r3911GetInterrupt( maskInterrupts, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911EnableInterrupts( maskInterrupts, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Clear FIFO status local copy */ + rfalFIFOStatusClear(); +} + +/*******************************************************************************/ +static void rfalTransceiveTx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + volatile uint32_t irqs; + uint16_t tmp; + ReturnCode ret; + + /* NO_WARNING(ret); */ + + irqs = ST25R3911_IRQ_MASK_NONE; + + if( gRFAL.TxRx.state != gRFAL.TxRx.lastState ) + { + /* rfalLogD( "RFAL: lastSt: %d curSt: %d \r\n", gRFAL.TxRx.lastState, gRFAL.TxRx.state ); */ + gRFAL.TxRx.lastState = gRFAL.TxRx.state; + } + + switch( gRFAL.TxRx.state ) + { + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_IDLE: + + /* Nothing to do */ + + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_WAIT_GT ; + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_WAIT_GT: + + if( !rfalIsGTExpired() ) + { + break; + } + + gRFAL.tmr.GT = RFAL_TIMING_NONE; + + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_WAIT_FDT; + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_WAIT_FDT: + + /* Only in Passive communications GPT is used to measure FDT Poll */ + if( rfalIsModePassiveComm( gRFAL.mode ) ) + { + if( ( st25r3911CheckReg(ST25R3911_REG_REGULATOR_RESULT, ST25R3911_REG_REGULATOR_RESULT_gpt_on, ST25R3911_REG_REGULATOR_RESULT_gpt_on, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) ) + { + break; + } + } + + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_TRANSMIT; + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_TRANSMIT: + + /* Clear FIFO, Clear and Enable the Interrupts */ + rfalPrepareTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Calculate when Water Level Interrupt will be triggered */ + gRFAL.fifo.expWL = ( st25r3911CheckReg( ST25R3911_REG_IO_CONF1, ST25R3911_REG_IO_CONF1_fifo_lt, ST25R3911_REG_IO_CONF1_fifo_lt_16bytes, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ? RFAL_FIFO_OUT_LT_16 : RFAL_FIFO_OUT_LT_32); + + #if RFAL_FEATURE_NFCV + /*******************************************************************************/ + /* In NFC-V streaming mode, the FIFO needs to be loaded with the coded bits */ + if( (RFAL_MODE_POLL_NFCV == gRFAL.mode) || (RFAL_MODE_POLL_PICOPASS == gRFAL.mode) ) + { +#if 0 + /* Debugging code: output the payload bits by writing into the FIFO and subsequent clearing */ + mST25 -> writeFifo(gRFAL.TxRx.ctx.txBuf, rfalConvBitsToBytes(gRFAL.TxRx.ctx.txBufLen)); + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_FIFO, mspiChannel ); +#endif + /* Calculate the bytes needed to be Written into FIFO (a incomplete byte will be added as 1byte) */ + gRFAL.nfcvData.nfcvOffset = 0; + ret = iso15693VCDCode(gRFAL.TxRx.ctx.txBuf, rfalConvBitsToBytes(gRFAL.TxRx.ctx.txBufLen), ((gRFAL.nfcvData.origCtx.flags & RFAL_TXRX_FLAGS_CRC_TX_MANUAL)?false:true),((gRFAL.nfcvData.origCtx.flags & RFAL_TXRX_FLAGS_NFCV_FLAG_MANUAL)?false:true), (RFAL_MODE_POLL_PICOPASS == gRFAL.mode), + &gRFAL.fifo.bytesTotal, &gRFAL.nfcvData.nfcvOffset, gRFAL.nfcvData.codingBuffer, MIN( ST25R3911_FIFO_DEPTH, sizeof(gRFAL.nfcvData.codingBuffer) ), &gRFAL.fifo.bytesWritten); + + if( (ret != ERR_NONE) && (ret != ERR_AGAIN) ) + { + gRFAL.TxRx.status = ret; + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_FAIL; + break; + } + /* Set the number of full bytes and bits to be transmitted */ + st25r3911SetNumTxBits( rfalConvBytesToBits(gRFAL.fifo.bytesTotal), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Load FIFO with coded bytes */ + mST25 -> writeFifo( gRFAL.nfcvData.codingBuffer, gRFAL.fifo.bytesWritten, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + } + /*******************************************************************************/ + else + #endif /* RFAL_FEATURE_NFCV */ + { + /* Calculate the bytes needed to be Written into FIFO (a incomplete byte will be added as 1byte) */ + gRFAL.fifo.bytesTotal = rfalCalcNumBytes(gRFAL.TxRx.ctx.txBufLen); + + /* Set the number of full bytes and bits to be transmitted */ + st25r3911SetNumTxBits( gRFAL.TxRx.ctx.txBufLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Load FIFO with total length or FIFO's maximum */ + gRFAL.fifo.bytesWritten = MIN( gRFAL.fifo.bytesTotal, ST25R3911_FIFO_DEPTH ); + mST25 -> writeFifo( gRFAL.TxRx.ctx.txBuf, gRFAL.fifo.bytesWritten, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /*Check if Observation Mode is enabled and set it on ST25R391x */ + rfalCheckEnableObsModeTx(); + + /*******************************************************************************/ + /* Trigger/Start transmission */ + if( gRFAL.TxRx.ctx.flags & RFAL_TXRX_FLAGS_CRC_TX_MANUAL ) + { + mST25 -> executeCommand( ST25R3911_CMD_TRANSMIT_WITHOUT_CRC, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + mST25 -> executeCommand( ST25R3911_CMD_TRANSMIT_WITH_CRC, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Check if a WL level is expected or TXE should come */ + gRFAL.TxRx.state = (( gRFAL.fifo.bytesWritten < gRFAL.fifo.bytesTotal ) ? RFAL_TXRX_STATE_TX_WAIT_WL : RFAL_TXRX_STATE_TX_WAIT_TXE); + break; + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_WAIT_WL: + + irqs = st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_FWL | ST25R3911_IRQ_MASK_TXE), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + if( (irqs & ST25R3911_IRQ_MASK_FWL) && !(irqs & ST25R3911_IRQ_MASK_TXE) ) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_RELOAD_FIFO; + } + else + { + gRFAL.TxRx.status = ERR_IO; + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_FAIL; + break; + } + + /* fall through */ + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_RELOAD_FIFO: + + #if RFAL_FEATURE_NFCV + /*******************************************************************************/ + /* In NFC-V streaming mode, the FIFO needs to be loaded with the coded bits */ + if( (RFAL_MODE_POLL_NFCV == gRFAL.mode) || (RFAL_MODE_POLL_PICOPASS == gRFAL.mode) ) + { + uint16_t maxLen; + + /* Load FIFO with the remaining length or maximum available (which fit on the coding buffer) */ + maxLen = MIN( (gRFAL.fifo.bytesTotal - gRFAL.fifo.bytesWritten), gRFAL.fifo.expWL); + maxLen = MIN( maxLen, sizeof(gRFAL.nfcvData.codingBuffer) ); + tmp = 0; + + /* Calculate the bytes needed to be Written into FIFO (a incomplete byte will be added as 1byte) */ + ret = iso15693VCDCode(gRFAL.TxRx.ctx.txBuf, rfalConvBitsToBytes(gRFAL.TxRx.ctx.txBufLen), ((gRFAL.nfcvData.origCtx.flags & RFAL_TXRX_FLAGS_CRC_TX_MANUAL)?false:true), ((gRFAL.nfcvData.origCtx.flags & RFAL_TXRX_FLAGS_NFCV_FLAG_MANUAL)?false:true), (RFAL_MODE_POLL_PICOPASS == gRFAL.mode), + &gRFAL.fifo.bytesTotal, &gRFAL.nfcvData.nfcvOffset, gRFAL.nfcvData.codingBuffer, maxLen, &tmp); + + if( (ret != ERR_NONE) && (ret != ERR_AGAIN) ) + { + gRFAL.TxRx.status = ret; + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_FAIL; + break; + } + + /* Load FIFO with coded bytes */ + mST25 -> writeFifo( gRFAL.nfcvData.codingBuffer, tmp, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + /*******************************************************************************/ + else + #endif /* RFAL_FEATURE_NFCV */ + { + /* Load FIFO with the remaining length or maximum available */ + tmp = MIN( (gRFAL.fifo.bytesTotal - gRFAL.fifo.bytesWritten), gRFAL.fifo.expWL); /* tmp holds the number of bytes written on this iteration */ + mST25 -> writeFifo( gRFAL.TxRx.ctx.txBuf + gRFAL.fifo.bytesWritten, tmp, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* Update total written bytes to FIFO */ + gRFAL.fifo.bytesWritten += tmp; + + /* Check if a WL level is expected or TXE should come */ + gRFAL.TxRx.state = (( gRFAL.fifo.bytesWritten < gRFAL.fifo.bytesTotal ) ? RFAL_TXRX_STATE_TX_WAIT_WL : RFAL_TXRX_STATE_TX_WAIT_TXE); + break; + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_WAIT_TXE: + + irqs = st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_FWL | ST25R3911_IRQ_MASK_TXE), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + + if( (irqs & ST25R3911_IRQ_MASK_TXE) ) + { + /* In Active comm start SW timer to measure FWT */ + if( rfalIsModeActiveComm( gRFAL.mode) && (gRFAL.TxRx.ctx.fwt != RFAL_FWT_NONE) && (gRFAL.TxRx.ctx.fwt != 0) ) + { + rfalTimerStart( gRFAL.tmr.FWT, rfalConv1fcToMs( gRFAL.TxRx.ctx.fwt ) ); + } + + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_DONE; + } + else if( (irqs & ST25R3911_IRQ_MASK_FWL) ) + { + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #TBD */ + /* ST25R3911 may send a WL even when all bytes have been written to FIFO */ + /*******************************************************************************/ + break; /* Ignore ST25R3911 FIFO WL if total TxLen is already on the FIFO */ + } + else + { + gRFAL.TxRx.status = ERR_IO; + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_FAIL; + break; + } // @suppress("No break at end of case") + + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_DONE: + + /* If no rxBuf is provided do not wait/expect Rx */ + if( gRFAL.TxRx.ctx.rxBuf == NULL ) + { + /*Check if Observation Mode was enabled and disable it on ST25R391x */ + rfalCheckDisableObsMode(); + + /* Clean up Transceive */ + rfalCleanupTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gRFAL.TxRx.status = ERR_NONE; + gRFAL.TxRx.state = RFAL_TXRX_STATE_IDLE; + break; + } + + rfalCheckEnableObsModeRx(); + + /* Goto Rx */ + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_IDLE; + break; + + /*******************************************************************************/ + case RFAL_TXRX_STATE_TX_FAIL: + + /* Error should be assigned by previous state */ + if( gRFAL.TxRx.status == ERR_BUSY ) + { + gRFAL.TxRx.status = ERR_SYSTEM; + } + + /*Check if Observation Mode was enabled and disable it on ST25R391x */ + rfalCheckDisableObsMode(); + + /* Clean up Transceive */ + rfalCleanupTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + gRFAL.TxRx.state = RFAL_TXRX_STATE_IDLE; + break; + + /*******************************************************************************/ + default: + gRFAL.TxRx.status = ERR_SYSTEM; + gRFAL.TxRx.state = RFAL_TXRX_STATE_TX_FAIL; + break; + } +} + + +/*******************************************************************************/ +static void rfalTransceiveRx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + volatile uint32_t irqs; + uint8_t tmp; + uint8_t aux; + + irqs = ST25R3911_IRQ_MASK_NONE; + + if( gRFAL.TxRx.state != gRFAL.TxRx.lastState ) + { + /* rfalLogD( "RFAL: lastSt: %d curSt: %d \r\n", gRFAL.TxRx.lastState, gRFAL.TxRx.state ); */ + gRFAL.TxRx.lastState = gRFAL.TxRx.state; + } + + switch( gRFAL.TxRx.state ) + { + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_IDLE: + + /* Clear rx counters */ + gRFAL.fifo.bytesWritten = 0; /* Total bytes written on RxBuffer */ + gRFAL.fifo.bytesTotal = 0; /* Total bytes in FIFO will now be from Rx */ + if( gRFAL.TxRx.ctx.rxRcvdLen ) *gRFAL.TxRx.ctx.rxRcvdLen = 0; + + gRFAL.TxRx.state = ( rfalIsModeActiveComm( gRFAL.mode ) ? RFAL_TXRX_STATE_RX_WAIT_EON : RFAL_TXRX_STATE_RX_WAIT_RXS ); + break; + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_WAIT_RXS: + + /*******************************************************************************/ + /* If in Active comm, Check if FWT SW timer has expired */ + if( rfalIsModeActiveComm( gRFAL.mode ) && (gRFAL.TxRx.ctx.fwt != RFAL_FWT_NONE) && (gRFAL.TxRx.ctx.fwt != 0) ) + { + if( rfalTimerisExpired( gRFAL.tmr.FWT ) ) + { + gRFAL.TxRx.status = ERR_TIMEOUT; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + } + + /*******************************************************************************/ + irqs = st25r3911GetInterrupt( ( ST25R3911_IRQ_MASK_RXS | ST25R3911_IRQ_MASK_NRE | ST25R3911_IRQ_MASK_EOF | ST25R3911_IRQ_MASK_RXE), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #1.7 */ + /* NRE interrupt may be triggered twice */ + /* Ignore NRE if is detected together with no Rx Start */ + /*******************************************************************************/ + + /* Only raise Timeout if NRE is detected with no Rx Start (NRT EMV mode) */ + if( (irqs & ST25R3911_IRQ_MASK_NRE) && !(irqs & ST25R3911_IRQ_MASK_RXS) ) + { + gRFAL.TxRx.status = ERR_TIMEOUT; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + + /* Only raise Link Loss if EOF is detected with no Rx Start */ + if( (irqs & ST25R3911_IRQ_MASK_EOF) && !(irqs & ST25R3911_IRQ_MASK_RXS) ) + { + gRFAL.TxRx.status = ERR_LINK_LOSS; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + + if( (irqs & ST25R3911_IRQ_MASK_RXS) ) + { + /* If we got RXS + RXE together, jump directly into RFAL_TXRX_STATE_RX_ERR_CHECK */ + if( (irqs & ST25R3911_IRQ_MASK_RXE) ) + { + gRFAL.TxRx.rxse = true; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_ERR_CHECK; + break; + } + else + { + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #1.1 */ + /* Rarely on corrupted frames I_rxs gets signaled but I_rxe is not signaled */ + /* Use a SW timer to handle an eventual missing RXE */ + rfalTimerStart( gRFAL.tmr.RXE, RFAL_NORXE_TOUT ); + /*******************************************************************************/ + + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_WAIT_RXE; + } + } + else if( (irqs & ST25R3911_IRQ_MASK_RXE) ) + { + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #1.9 */ + /* ST25R3911 may indicate RXE without RXS previously, this happens upon some */ + /* noise or incomplete byte frames with less than 4 bits */ + /*******************************************************************************/ + + gRFAL.TxRx.status = ERR_IO; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + + rfalErrorHandling(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + } + else + { + gRFAL.TxRx.status = ERR_IO; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_WAIT_RXE: + + irqs = st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_RXE | ST25R3911_IRQ_MASK_FWL | ST25R3911_IRQ_MASK_EOF), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911B Errata #1.1 */ + /* ST25R3911 may indicate RXS without RXE afterwards, this happens rarely on */ + /* corrupted frames. */ + /* SW timer is used to timeout upon a missing RXE */ + if( rfalTimerisExpired( gRFAL.tmr.RXE ) ) + { + gRFAL.TxRx.status = ERR_FRAMING; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + } + /*******************************************************************************/ + + break; /* No interrupt to process */ + } + + if( (irqs & ST25R3911_IRQ_MASK_FWL) && !(irqs & ST25R3911_IRQ_MASK_RXE) ) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_FIFO; + break; + } + + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_ERR_CHECK; + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_ERR_CHECK: + + /* Retrieve and check for any error irqs */ + irqs |= st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_CRC | ST25R3911_IRQ_MASK_PAR | ST25R3911_IRQ_MASK_ERR1 | ST25R3911_IRQ_MASK_ERR2 | ST25R3911_IRQ_MASK_COL), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( (irqs & ST25R3911_IRQ_MASK_ERR1) ) + { + gRFAL.TxRx.status = ERR_FRAMING; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_DATA; + + /* Check if there's a specific error handling for this */ + rfalErrorHandling(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + } + /* Discard Soft Framing errors if not in EMVCo error handling */ + else if( (irqs & ST25R3911_IRQ_MASK_ERR2) && (gRFAL.conf.eHandling == RFAL_ERRORHANDLING_EMVCO) ) + { + gRFAL.TxRx.status = ERR_FRAMING; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_DATA; + + /* Check if there's a specific error handling for this */ + rfalErrorHandling(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + } + else if( (irqs & ST25R3911_IRQ_MASK_PAR) ) + { + gRFAL.TxRx.status = ERR_PAR; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_DATA; + + /* Check if there's a specific error handling for this */ + rfalErrorHandling(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + } + else if( (irqs & ST25R3911_IRQ_MASK_CRC) ) + { + gRFAL.TxRx.status = ERR_CRC; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_DATA; + + /* Check if there's a specific error handling for this */ + rfalErrorHandling(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + } + else if( (irqs & ST25R3911_IRQ_MASK_COL) ) + { + gRFAL.TxRx.status = ERR_RF_COLLISION; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_DATA; + + /* Check if there's a specific error handling for this */ + rfalErrorHandling(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; + } + else if( (irqs & ST25R3911_IRQ_MASK_EOF) && !(irqs & ST25R3911_IRQ_MASK_RXE) ) + { + gRFAL.TxRx.status = ERR_LINK_LOSS; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + else if( (irqs & ST25R3911_IRQ_MASK_RXE) || gRFAL.TxRx.rxse ) + { + /* Reception ended without any error indication, * + * check FIFO status for malformed or incomplete frames */ + + /* Check if the reception ends with an incomplete byte (residual bits) */ + if( rfalFIFOStatusIsIncompleteByte(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + gRFAL.TxRx.status = ERR_INCOMPLETE_BYTE; + } + /* Check if the reception ends with missing parity bit */ + else if( rfalFIFOStatusIsMissingPar(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + gRFAL.TxRx.status = ERR_FRAMING; + } + + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_READ_DATA; + } + else + { + gRFAL.TxRx.status = ERR_IO; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_READ_DATA: + + tmp = rfalFIFOStatusGetNumBytes(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* Check if CRC should not be placed in rxBuf */ + if( !(gRFAL.TxRx.ctx.flags & RFAL_TXRX_FLAGS_CRC_RX_KEEP) ) + { + /* Check if CRC is being placed into the FIFO and if received frame was bigger than CRC */ + if( ( st25r3911CheckReg(ST25R3911_REG_AUX, ST25R3911_REG_AUX_crc_2_fifo, ST25R3911_REG_AUX_crc_2_fifo, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + && ( gRFAL.fifo.bytesTotal + tmp) ) + { + /* By default CRC will not be placed into the rxBuffer */ + if( ( tmp > RFAL_CRC_LEN) ) + { + tmp -= RFAL_CRC_LEN; + } + /* If the CRC was already placed into rxBuffer (due to WL interrupt where CRC was already in FIFO Read) + * cannot remove it from rxBuf. Can only remove it from rxBufLen not indicate the presence of CRC */ + else if(gRFAL.fifo.bytesTotal > RFAL_CRC_LEN) + { + gRFAL.fifo.bytesTotal -= RFAL_CRC_LEN; + } + } + } + + gRFAL.fifo.bytesTotal += tmp; /* add to total bytes counter */ + + /*******************************************************************************/ + /* Check if remaining bytes fit on the rxBuf available */ + if( gRFAL.fifo.bytesTotal > rfalConvBitsToBytes(gRFAL.TxRx.ctx.rxBufLen) ) + { + tmp = ( rfalConvBitsToBytes(gRFAL.TxRx.ctx.rxBufLen) - gRFAL.fifo.bytesWritten); + + gRFAL.TxRx.status = ERR_NOMEM; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + } + + /*******************************************************************************/ + /* Retrieve remaining bytes from FIFO to rxBuf, and assign total length rcvd */ + mST25 -> readFifo( (uint8_t*)(gRFAL.TxRx.ctx.rxBuf + gRFAL.fifo.bytesWritten), tmp, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( gRFAL.TxRx.ctx.rxRcvdLen ) + { + (*gRFAL.TxRx.ctx.rxRcvdLen) = rfalConvBytesToBits( gRFAL.fifo.bytesTotal ); + if( rfalFIFOStatusIsIncompleteByte(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + (*gRFAL.TxRx.ctx.rxRcvdLen) -= (RFAL_BITS_IN_BYTE - rfalFIFOGetNumIncompleteBits(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + } + } + + #if RFAL_FEATURE_NFCV + /*******************************************************************************/ + /* Decode sub bit stream into payload bits for NFCV, if no error found so far */ + if( ((RFAL_MODE_POLL_NFCV == gRFAL.mode) || (RFAL_MODE_POLL_PICOPASS == gRFAL.mode)) && (gRFAL.TxRx.status == ERR_BUSY) ) + { + ReturnCode ret; + uint16_t offset = 0; + + ret = iso15693VICCDecode(gRFAL.TxRx.ctx.rxBuf, gRFAL.fifo.bytesTotal, + gRFAL.nfcvData.origCtx.rxBuf, rfalConvBitsToBytes(gRFAL.nfcvData.origCtx.rxBufLen), &offset, gRFAL.nfcvData.origCtx.rxRcvdLen, gRFAL.nfcvData.ignoreBits, (RFAL_MODE_POLL_PICOPASS == gRFAL.mode) ); + + if( ((ERR_NONE == ret) || (ERR_CRC == ret)) + && !(RFAL_TXRX_FLAGS_CRC_RX_KEEP & gRFAL.nfcvData.origCtx.flags) + && ((*gRFAL.nfcvData.origCtx.rxRcvdLen % RFAL_BITS_IN_BYTE) == 0) + && (*gRFAL.nfcvData.origCtx.rxRcvdLen >= rfalConvBytesToBits(RFAL_CRC_LEN) ) + ) + { + *gRFAL.nfcvData.origCtx.rxRcvdLen -= rfalConvBytesToBits(RFAL_CRC_LEN); /* Remove CRC */ + } + + /* Restore original ctx */ + gRFAL.TxRx.ctx = gRFAL.nfcvData.origCtx; + gRFAL.TxRx.status = ret; + + if(gRFAL.TxRx.status) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + } + #endif /* RFAL_FEATURE_NFCV */ + + /*******************************************************************************/ + /* If an error as been marked/detected don't fall into to RX_DONE */ + if( gRFAL.TxRx.status != ERR_BUSY ) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } + + if( rfalIsModeActiveComm( gRFAL.mode ) ) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_WAIT_EOF; + break; + } + + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_DONE; + /* fall through */ + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_DONE: + + /*Check if Observation Mode was enabled and disable it on ST25R391x */ + rfalCheckDisableObsMode(); + + /* Clean up Transceive */ + rfalCleanupTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + gRFAL.TxRx.status = ERR_NONE; + gRFAL.TxRx.state = RFAL_TXRX_STATE_IDLE; + break; + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_READ_FIFO: + + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911B Errata #1.1 */ + /* ST25R3911 may indicate RXS without RXE afterwards, this happens rarely on */ + /* corrupted frames. */ + /* Re-Start SW timer to handle an eventual missing RXE */ + rfalTimerStart( gRFAL.tmr.RXE, RFAL_NORXE_TOUT ); + /*******************************************************************************/ + + + tmp = rfalFIFOStatusGetNumBytes(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + gRFAL.fifo.bytesTotal += tmp; + + /*******************************************************************************/ + /* Calculate the amount of bytes that still fits in rxBuf */ + aux = (( gRFAL.fifo.bytesTotal > rfalConvBitsToBytes(gRFAL.TxRx.ctx.rxBufLen) ) ? (rfalConvBitsToBytes(gRFAL.TxRx.ctx.rxBufLen) - gRFAL.fifo.bytesWritten) : tmp); + + /*******************************************************************************/ + /* Retrieve incoming bytes from FIFO to rxBuf, and store already read amount */ + mST25 -> readFifo( (uint8_t*)(gRFAL.TxRx.ctx.rxBuf + gRFAL.fifo.bytesWritten), aux, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + gRFAL.fifo.bytesWritten += aux; + + /*******************************************************************************/ + /* If the bytes already read were not the full FIFO WL, dump the remaining * + * FIFO so that ST25R391x can continue with reception */ + if( aux < tmp ) + { + mST25 -> readFifo( NULL, (tmp - aux), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + rfalFIFOStatusClear(); + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_WAIT_RXE; + break; + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_FAIL: + + /*Check if Observation Mode was enabled and disable it on ST25R391x */ + rfalCheckDisableObsMode(); + + /* Clean up Transceive */ + rfalCleanupTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Error should be assigned by previous state */ + if( gRFAL.TxRx.status == ERR_BUSY ) + { + gRFAL.TxRx.status = ERR_SYSTEM; + } + + /*rfalLogD( "RFAL: curSt: %d Error: %d \r\n", gRFAL.TxRx.state, gRFAL.TxRx.status );*/ + gRFAL.TxRx.state = RFAL_TXRX_STATE_IDLE; + break; + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_WAIT_EON: + + irqs = st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_EON | ST25R3911_IRQ_MASK_NRE), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + if( (irqs & ST25R3911_IRQ_MASK_EON) ) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_WAIT_RXS; + } + + if( (irqs & ST25R3911_IRQ_MASK_NRE) ) + { + /* ST25R3911 uses the NRT to measure other device's Field On max time: Tadt + (n x Trfw) */ + gRFAL.TxRx.status = ERR_LINK_LOSS; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + } + break; + + + /*******************************************************************************/ + case RFAL_TXRX_STATE_RX_WAIT_EOF: + + irqs = st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_CAT | ST25R3911_IRQ_MASK_CAC), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + if( (irqs & ST25R3911_IRQ_MASK_CAT) ) + { + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_DONE; + } + else if( (irqs & ST25R3911_IRQ_MASK_CAC) ) + { + gRFAL.TxRx.status = ERR_RF_COLLISION; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + } + else + { + gRFAL.TxRx.status = ERR_IO; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + } + break; + + + /*******************************************************************************/ + default: + gRFAL.TxRx.status = ERR_SYSTEM; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_FAIL; + break; + } +} + +/*******************************************************************************/ +static void rfalFIFOStatusUpdate( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if(gRFAL.fifo.status[RFAL_FIFO_STATUS_REG2] == RFAL_FIFO_STATUS_INVALID) + { + mST25 -> readMultipleRegisters( ST25R3911_REG_FIFO_RX_STATUS1, gRFAL.fifo.status, ST25R3911_FIFO_STATUS_LEN, mspiChannel,mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } +} + + +/*******************************************************************************/ +static void rfalFIFOStatusClear( void ) +{ + gRFAL.fifo.status[RFAL_FIFO_STATUS_REG2] = RFAL_FIFO_STATUS_INVALID; +} + + +/*******************************************************************************/ +static uint8_t rfalFIFOStatusGetNumBytes( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalFIFOStatusUpdate(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return gRFAL.fifo.status[RFAL_FIFO_STATUS_REG1]; + +} + + +/*******************************************************************************/ +static bool rfalFIFOStatusIsIncompleteByte( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalFIFOStatusUpdate(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ((gRFAL.fifo.status[RFAL_FIFO_STATUS_REG2] & (ST25R3911_REG_FIFO_RX_STATUS2_mask_fifo_lb | ST25R3911_REG_FIFO_RX_STATUS2_fifo_ncp)) != 0); +} + + +/*******************************************************************************/ +static bool rfalFIFOStatusIsMissingPar( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalFIFOStatusUpdate(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ((gRFAL.fifo.status[RFAL_FIFO_STATUS_REG2] & ST25R3911_REG_FIFO_RX_STATUS2_np_lb) != 0); +} + + +/*******************************************************************************/ +static uint8_t rfalFIFOGetNumIncompleteBits( ST25R3911* mST25, SPI * mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalFIFOStatusUpdate(mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ((gRFAL.fifo.status[RFAL_FIFO_STATUS_REG2] & ST25R3911_REG_FIFO_RX_STATUS2_mask_fifo_lb) >> ST25R3911_REG_FIFO_RX_STATUS2_shift_fifo_lb); +} + + +#if RFAL_FEATURE_NFCA + +/*******************************************************************************/ +ReturnCode rfalISO14443ATransceiveShortFrame( rfal14443AShortFrameCmd txCmd, uint8_t* rxBuf, uint8_t rxBufLen, uint16_t* rxRcvdLen, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t directCmd; + + /* Check if RFAL is properly initialized */ + if( (gRFAL.state < RFAL_STATE_MODE_SET) || (( gRFAL.mode != RFAL_MODE_POLL_NFCA ) && ( gRFAL.mode != RFAL_MODE_POLL_NFCA_T1T )) || + !( st25r3911CheckReg(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, ST25R3911_REG_OP_CONTROL_tx_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) ) + { + return ERR_WRONG_STATE; + } + + /* Check for valid parameters */ + if( (rxBuf == NULL) || (rxRcvdLen == NULL) || (fwt == RFAL_FWT_NONE) ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Select the Direct Command to be performed */ + switch (txCmd) + { + case RFAL_14443A_SHORTFRAME_CMD_WUPA: + directCmd = ST25R3911_CMD_TRANSMIT_WUPA; + break; + + case RFAL_14443A_SHORTFRAME_CMD_REQA: + directCmd = ST25R3911_CMD_TRANSMIT_REQA; + break; + + default: + return ERR_PARAM; + } + + + /*******************************************************************************/ + /* Enable anti collision to recognise collision in first byte of SENS_REQ */ + st25r3911SetRegisterBits( ST25R3911_REG_ISO14443A_NFC, ST25R3911_REG_ISO14443A_NFC_antcl, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable CRC while receiving since ATQA has no CRC included */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_no_crc_rx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* Wait for GT and FDT */ + while( !rfalIsGTExpired() ); + while( st25r3911CheckReg(ST25R3911_REG_REGULATOR_RESULT, ST25R3911_REG_REGULATOR_RESULT_gpt_on, ST25R3911_REG_REGULATOR_RESULT_gpt_on, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + gRFAL.tmr.GT = RFAL_TIMING_NONE; + + + /*******************************************************************************/ + /* Prepare for Transceive, Receive only (bypass Tx states) */ + gRFAL.TxRx.ctx.flags = ( RFAL_TXRX_FLAGS_CRC_TX_MANUAL | RFAL_TXRX_FLAGS_CRC_RX_KEEP ); + gRFAL.TxRx.ctx.rxBuf = rxBuf; + gRFAL.TxRx.ctx.rxBufLen = rxBufLen; + gRFAL.TxRx.ctx.rxRcvdLen = rxRcvdLen; + + /*******************************************************************************/ + /* Load NRT with FWT */ + st25r3911SetNoResponseTime_64fcs( rfalConv1fcTo64fc( MIN( (fwt + RFAL_FWT_ADJUSTMENT + RFAL_FWT_A_ADJUSTMENT), RFAL_ST25R3911_NRT_MAX_1FC ) ), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( gRFAL.timings.FDTListen != RFAL_TIMING_NONE ) + { + /* Set Minimum FDT(Listen) in which PICC is not allowed to send a response */ + mST25 -> writeRegister( ST25R3911_REG_MASK_RX_TIMER, rfalConv1fcTo64fc( ((RFAL_FDT_LISTEN_MRT_ADJUSTMENT + RFAL_FDT_LISTEN_A_ADJUSTMENT) > gRFAL.timings.FDTListen) ? RFAL_ST25R3911_MRT_MIN_1FC : (gRFAL.timings.FDTListen - (RFAL_FDT_LISTEN_MRT_ADJUSTMENT + RFAL_FDT_LISTEN_A_ADJUSTMENT)) ), + mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /* In Passive communications General Purpose Timer is used to measure FDT Poll */ + if( gRFAL.timings.FDTPoll != RFAL_TIMING_NONE ) + { + /* Configure GPT to start at RX end */ + st25r3911StartGPTimer_8fcs( rfalConv1fcTo8fc( MIN( gRFAL.timings.FDTPoll, (gRFAL.timings.FDTPoll - RFAL_FDT_POLL_ADJUSTMENT) ) ), ST25R3911_REG_GPT_CONTROL_gptc_erx, + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + /*******************************************************************************/ + rfalPrepareTransceive( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Also enable bit collision interrupt */ + st25r3911GetInterrupt( ST25R3911_IRQ_MASK_COL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911EnableInterrupts( ST25R3911_IRQ_MASK_COL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*Check if Observation Mode is enabled and set it on ST25R391x */ + rfalCheckEnableObsModeTx(); + + /*******************************************************************************/ + /* Chip bug: Clear nbtx bits before sending WUPA/REQA - otherwise ST25R3911 will report parity error */ + mST25 -> writeRegister( ST25R3911_REG_NUM_TX_BYTES2, 0, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Send either WUPA or REQA. All affected tags will backscatter ATQA and change to READY state */ + mST25 -> executeCommand( directCmd, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Wait for TXE */ + if( !st25r3911WaitForInterruptsTimed( ST25R3911_IRQ_MASK_TXE, MAX( rfalConv1fcToMs( fwt ), RFAL_ST25R3911_SW_TMR_MIN_1MS ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + ret = ERR_IO; + } + else + { + /*Check if Observation Mode is enabled and set it on ST25R391x */ + rfalCheckEnableObsModeRx(); + + /* Jump into a transceive Rx state for reception (bypass Tx states) */ + gRFAL.state = RFAL_STATE_TXRX; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_IDLE; + gRFAL.TxRx.status = ERR_BUSY; + + /* Execute Transceive Rx blocking */ + ret = rfalTransceiveBlockingRx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + + /* Disable Collision interrupt */ + st25r3911DisableInterrupts( (ST25R3911_IRQ_MASK_COL), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable anti collision again */ + st25r3911ClrRegisterBits( ST25R3911_REG_ISO14443A_NFC, ST25R3911_REG_ISO14443A_NFC_antcl, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* ReEnable CRC on Rx */ + st25r3911ClrRegisterBits(ST25R3911_REG_AUX, ST25R3911_REG_AUX_no_crc_rx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + return ret; +} + +/*******************************************************************************/ +ReturnCode rfalISO14443ATransceiveAnticollisionFrame( uint8_t *buf, uint8_t *bytesToSend, uint8_t *bitsToSend, + uint16_t *rxLength, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalTransceiveContext ctx; + uint8_t collByte; + uint8_t collData; + + /* Check if RFAL is properly initialized */ + if( (gRFAL.state < RFAL_STATE_MODE_SET) || ( gRFAL.mode != RFAL_MODE_POLL_NFCA ) ) + { + return ERR_WRONG_STATE; + } + + /* Check for valid parameters */ + if( (buf == NULL) || (bytesToSend == NULL) || (bitsToSend == NULL) || (rxLength == NULL) ) + { + return ERR_PARAM; + } + + /*******************************************************************************/ + /* Enable anti collision to recognise collision in first byte of SENS_REQ */ + st25r3911SetRegisterBits( ST25R3911_REG_ISO14443A_NFC, ST25R3911_REG_ISO14443A_NFC_antcl, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable CRC while receiving */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_no_crc_rx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + + /*******************************************************************************/ + /* Prepare for Transceive */ + ctx.flags = ( RFAL_TXRX_FLAGS_CRC_TX_MANUAL | RFAL_TXRX_FLAGS_CRC_RX_KEEP | RFAL_TXRX_FLAGS_AGC_OFF ); /* Disable Automatic Gain Control (AGC) for better detection of collision */ + ctx.txBuf = buf; + ctx.txBufLen = (rfalConvBytesToBits( *bytesToSend ) + *bitsToSend ); + ctx.rxBuf = (buf + (*bytesToSend)); + ctx.rxBufLen = rfalConvBytesToBits( RFAL_ISO14443A_SDD_RES_LEN ); + ctx.rxRcvdLen = rxLength; + ctx.fwt = fwt; + + rfalStartTransceive( &ctx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Additionally enable bit collision interrupt */ + st25r3911GetInterrupt( ST25R3911_IRQ_MASK_COL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911EnableInterrupts( ST25R3911_IRQ_MASK_COL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + collByte = 0; + + /* save the collision byte */ + if ((*bitsToSend) > 0) + { + buf[(*bytesToSend)] <<= (RFAL_BITS_IN_BYTE - (*bitsToSend)); + buf[(*bytesToSend)] >>= (RFAL_BITS_IN_BYTE - (*bitsToSend)); + collByte = buf[(*bytesToSend)]; + } + + + /*******************************************************************************/ + /* Run Transceive blocking */ + ret = rfalTransceiveRunBlockingTx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_NONE) + { + ret = rfalTransceiveBlockingRx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + /*******************************************************************************/ + if ((*bitsToSend) > 0) + { + buf[(*bytesToSend)] >>= (*bitsToSend); + buf[(*bytesToSend)] <<= (*bitsToSend); + buf[(*bytesToSend)] |= collByte; + } + + if( (ERR_RF_COLLISION == ret) ) + { + /* read out collision register */ + mST25 -> readRegister( ST25R3911_REG_COLLISION_STATUS, &collData, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + (*bytesToSend) = ((collData >> ST25R3911_REG_COLLISION_STATUS_shift_c_byte) & 0x0F); /* 4-bits Byte information */ + (*bitsToSend) = ((collData >> ST25R3911_REG_COLLISION_STATUS_shift_c_bit) & 0x07); /* 3-bits bit information */ + + } + } + + + /*******************************************************************************/ + /* Disable Collision interrupt */ + st25r3911DisableInterrupts( (ST25R3911_IRQ_MASK_COL), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable anti collision again */ + st25r3911ClrRegisterBits( ST25R3911_REG_ISO14443A_NFC, ST25R3911_REG_ISO14443A_NFC_antcl, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* ReEnable CRC on Rx */ + st25r3911ClrRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_no_crc_rx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ret; +} + +#endif /* RFAL_FEATURE_NFCA */ + +#if RFAL_FEATURE_NFCV + +/*******************************************************************************/ +ReturnCode rfalISO15693TransceiveAnticollisionFrame( uint8_t *txBuf, uint8_t txBufLen, uint8_t *rxBuf, uint8_t rxBufLen, uint16_t *actLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalTransceiveContext ctx; + + /* Check if RFAL is properly initialized */ + if( (gRFAL.state < RFAL_STATE_MODE_SET) || ( gRFAL.mode != RFAL_MODE_POLL_NFCV ) ) + { + return ERR_WRONG_STATE; + } + + /* Ignoring collisions before the UID (RES_FLAG + DSFID) */ + gRFAL.nfcvData.ignoreBits = RFAL_ISO15693_IGNORE_BITS; + + /*******************************************************************************/ + /* Prepare for Transceive */ + ctx.flags = ( ((txBufLen==0)?RFAL_TXRX_FLAGS_CRC_TX_MANUAL:RFAL_TXRX_FLAGS_CRC_TX_AUTO) | RFAL_TXRX_FLAGS_CRC_RX_KEEP | RFAL_TXRX_FLAGS_AGC_OFF | ((txBufLen==0)?RFAL_TXRX_FLAGS_NFCV_FLAG_MANUAL:RFAL_TXRX_FLAGS_NFCV_FLAG_AUTO) ); /* Disable Automatic Gain Control (AGC) for better detection of collision */ + ctx.txBuf = txBuf; + ctx.txBufLen = rfalConvBytesToBits(txBufLen); + ctx.rxBuf = rxBuf; + ctx.rxBufLen = rfalConvBytesToBits(rxBufLen); + ctx.rxRcvdLen = actLen; + ctx.fwt = rfalConv64fcTo1fc(ISO15693_NO_RESPONSE_TIME); + + rfalStartTransceive( &ctx, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* Run Transceive blocking */ + ret = rfalTransceiveRunBlockingTx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_NONE) + { + ret = rfalTransceiveBlockingRx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + gRFAL.nfcvData.ignoreBits = 0; + return ret; +} + +/*******************************************************************************/ +ReturnCode rfalISO15693TransceiveAnticollisionEOF( uint8_t *rxBuf, uint8_t rxBufLen, uint16_t *actLen, SPI* mspiChannel, + ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t dummy; + + return rfalISO15693TransceiveAnticollisionFrame( &dummy, 0, rxBuf, rxBufLen, actLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +/*******************************************************************************/ +ReturnCode rfalISO15693TransceiveEOF( uint8_t *rxBuf, uint8_t rxBufLen, uint16_t *actLen, + SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t dummy; + + /* Check if RFAL is properly initialized */ + if( ( gRFAL.state < RFAL_STATE_MODE_SET ) || ( gRFAL.mode != RFAL_MODE_POLL_NFCV ) ) + { + return ERR_WRONG_STATE; + } + + /*******************************************************************************/ + /* Run Transceive blocking */ + ret = rfalTransceiveBlockingTxRx( &dummy, + 0, + rxBuf, + rxBufLen, + actLen, + ( RFAL_TXRX_FLAGS_CRC_TX_MANUAL | RFAL_TXRX_FLAGS_CRC_RX_KEEP | RFAL_TXRX_FLAGS_AGC_ON ), + rfalConv64fcTo1fc(ISO15693_NO_RESPONSE_TIME), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ret; +} + +#endif /* RFAL_FEATURE_NFCV */ + +#if RFAL_FEATURE_NFCF + +/*******************************************************************************/ +ReturnCode rfalFeliCaPoll( rfalFeliCaPollSlots slots, uint16_t sysCode, uint8_t reqCode, rfalFeliCaPollRes* pollResList, uint8_t pollResListSize, uint8_t *devicesDetected, + uint8_t *collisionsDetected, SPI* mspiChannel, ST25R3911* mST25, + DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t frame[RFAL_FELICA_POLL_REQ_LEN - RFAL_FELICA_LEN_LEN]; /* LEN is added by ST25R3911 automatically */ + uint16_t actLen; + uint8_t frameIdx; + uint8_t devDetected; + uint8_t colDetected; + rfalEHandling curHandling; + + int index = (int)slots; + + /* Check if RFAL is properly initialized */ + if( (gRFAL.state < RFAL_STATE_MODE_SET) || ( gRFAL.mode != RFAL_MODE_POLL_NFCF ) ) + { + return ERR_WRONG_STATE; + } + + frameIdx = 0; + colDetected = 0; + devDetected = 0; + + /*******************************************************************************/ + /* Compute SENSF_REQ frame */ + frame[frameIdx++] = FELICA_CMD_POLLING; /* CMD: SENF_REQ */ + frame[frameIdx++] = (uint8_t)(sysCode >> 8); /* System Code (SC) */ + frame[frameIdx++] = (uint8_t)(sysCode & 0xFF); /* System Code (SC) */ + frame[frameIdx++] = reqCode; /* Communication Parameter Request (RC)*/ + frame[frameIdx++] = (uint8_t)slots; /* TimeSlot (TSN) */ + + + /*******************************************************************************/ + /* NRT should not stop on reception - Use EMVCo mode to run NRT in nrt_emv * + * ERRORHANDLING_EMVCO has no special handling for NFC-F mode */ + curHandling = gRFAL.conf.eHandling; + rfalSetErrorHandling( RFAL_ERRORHANDLING_EMVCO ); + + /*******************************************************************************/ + /* Run transceive blocking, + * Calculate Total Response Time in(64/fc): + * 512 PICC process time + (n * 256 Time Slot duration) */ + ret = rfalTransceiveBlockingTx( frame, + frameIdx, + (uint8_t*)gRFAL.nfcfData.pollResponses, + RFAL_FELICA_POLL_RES_LEN, + &actLen, + (RFAL_TXRX_FLAGS_DEFAULT), + rfalConv64fcTo1fc( RFAL_FELICA_POLL_DELAY_TIME + (RFAL_FELICA_POLL_SLOT_TIME * (slots + 1)) ), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* If Tx OK, Wait for all responses, store them as soon as they appear */ + if( ret == ERR_NONE ) + { + do + { + ret = rfalTransceiveBlockingRx( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_TIMEOUT ) + { + /* Upon timeout the full Poll Delay + (Slot time)*(slots) has expired */ + break; + } + else + { + /* Reception done, reEnabled Rx for following Slot */ + mST25 -> executeCommand( ST25R3911_CMD_UNMASK_RECEIVE_DATA, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_SQUELCH, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* If the reception was OK, new device found */ + if( ret == ERR_NONE ) + { + devDetected++; + + /* Overwrite the Transceive context for the next reception */ + gRFAL.TxRx.ctx.rxBuf = (uint8_t*)gRFAL.nfcfData.pollResponses[devDetected]; + } + /* If the reception was not OK, mark as collision */ + else + { + colDetected++; + } + + /* Check whether NRT has expired meanwhile */ + if( st25r3911CheckReg( ST25R3911_REG_REGULATOR_RESULT, ST25R3911_REG_REGULATOR_RESULT_nrt_on, 0x00, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + break; + } + } + + /* Jump again into transceive Rx state for the following reception */ + gRFAL.TxRx.status = ERR_BUSY; + gRFAL.state = RFAL_STATE_TXRX; + gRFAL.TxRx.state = RFAL_TXRX_STATE_RX_IDLE; + + }while(index--); + } + + /*******************************************************************************/ + /* Restore NRT to normal mode - back to previous error handling */ + rfalSetErrorHandling( curHandling ); + + /*******************************************************************************/ + /* Assign output parameters if requested */ + + if( (pollResList != NULL) && (pollResListSize > 0) && (devDetected > 0) ) + { + ST_MEMCPY( pollResList, gRFAL.nfcfData.pollResponses, (RFAL_FELICA_POLL_RES_LEN * MIN(pollResListSize, devDetected) ) ); + } + + if( devicesDetected != NULL ) + { + *devicesDetected = devDetected; + } + + if( collisionsDetected != NULL ) + { + *collisionsDetected = colDetected; + } + uint16_t ERR_NONEUI = ERR_NONE; + return (( colDetected || devDetected ) ? ERR_NONEUI : ret); +} + +#endif /* RFAL_FEATURE_NFCF */ + + +/***************************************************************************** + * Listen Mode * + *****************************************************************************/ + + + +/*******************************************************************************/ +bool rfalIsExtFieldOn( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + return st25r3911CheckReg(ST25R3911_REG_AUX_DISPLAY, ST25R3911_REG_AUX_DISPLAY_efd_o, ST25R3911_REG_AUX_DISPLAY_efd_o, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalListenStart( uint32_t lmMask, rfalLmConfPA *confA, rfalLmConfPB *confB, + rfalLmConfPF *confF, uint8_t *rxBuf, uint16_t rxBufLen, uint16_t *rxLen, + SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + NO_WARNING(confA); + NO_WARNING(confB); + NO_WARNING(confF); + + + gRFAL.Lm.state = RFAL_LM_STATE_NOT_INIT; + + + /*******************************************************************************/ + if( (lmMask & RFAL_LM_MASK_NFCA) || (lmMask & RFAL_LM_MASK_NFCB) || (lmMask & RFAL_LM_MASK_NFCF) ) + { + return ERR_NOTSUPP; + } + + + + /*******************************************************************************/ + if( (lmMask & RFAL_LM_MASK_ACTIVE_P2P) ) + { + gRFAL.state = RFAL_STATE_LM; + + gRFAL.Lm.rxBuf = rxBuf; + gRFAL.Lm.rxBufLen = rxBufLen; + gRFAL.Lm.rxLen = rxLen; + *gRFAL.Lm.rxLen = 0; + gRFAL.Lm.dataFlag = false; + + /* On Bit Rate Detection Mode ST25R391x will filter incoming frames during MRT time starting on External Field On event, use 512/fc steps */ + mST25 -> writeRegister( ST25R3911_REG_MASK_RX_TIMER, rfalConv1fcTo512fc( RFAL_LM_GT ), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Restore default settings on NFCIP1 mode, Receiving parity + CRC bits and manual Tx Parity*/ + st25r3911ClrRegisterBits( ST25R3911_REG_ISO14443A_NFC, + (ST25R3911_REG_ISO14443A_NFC_no_tx_par | ST25R3911_REG_ISO14443A_NFC_no_rx_par | ST25R3911_REG_ISO14443A_NFC_nfc_f0), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable External Field Detector */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_en_fd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable Receiver */ + st25r3911ChangeRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_rx_en, ST25R3911_REG_OP_CONTROL_rx_en, + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Set Analog configurations for generic Listen mode */ + /* Not on SetState(POWER OFF) as otherwise would be applied on every Field Event */ + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_TX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + rfalSetAnalogConfig( (RFAL_ANALOG_CONFIG_LISTEN | RFAL_ANALOG_CONFIG_TECH_AP2P | RFAL_ANALOG_CONFIG_BITRATE_COMMON | RFAL_ANALOG_CONFIG_RX), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Initialize as POWER_OFF and set proper mode in RF Chip */ + rfalListenSetState( RFAL_LM_STATE_POWER_OFF, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + return ERR_REQUEST; /* Listen Start called but no mode was enabled */ + } + + return ERR_NONE; +} + + + +/*******************************************************************************/ +static ReturnCode rfalRunListenModeWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + volatile uint32_t irqs; + uint8_t tmp; + + if( gRFAL.state != RFAL_STATE_LM ) + { + return ERR_WRONG_STATE; + } + + switch( gRFAL.Lm.state ) + { + /*******************************************************************************/ + case RFAL_LM_STATE_POWER_OFF: + + irqs = st25r3911GetInterrupt( ( ST25R3911_IRQ_MASK_EON ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + if( (irqs & ST25R3911_IRQ_MASK_EON) ) + { + rfalListenSetState( RFAL_LM_STATE_IDLE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + break; + } + /* fall through */ + + + /*******************************************************************************/ + case RFAL_LM_STATE_IDLE: + + irqs = st25r3911GetInterrupt( ( ST25R3911_IRQ_MASK_NFCT | ST25R3911_IRQ_MASK_RXE | ST25R3911_IRQ_MASK_EOF ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + if( (irqs & ST25R3911_IRQ_MASK_NFCT) ) + { + /* Retrieve bitrate detected */ + mST25 -> readRegister( ST25R3911_REG_NFCIP1_BIT_RATE, (uint8_t*)&gRFAL.Lm.brDetected, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + // rfalBitRate test = RFAL_BR_1695; + gRFAL.Lm.brDetected = (rfalBitRate)((int)gRFAL.Lm.brDetected >> ST25R3911_REG_NFCIP1_BIT_RATE_nfc_rate_shift); + //(rfalBitRate) ST25R3911_REG_NFCIP1_BIT_RATE_nfc_rate_shift; + } + else if( (irqs & ST25R3911_IRQ_MASK_RXE) && (gRFAL.Lm.brDetected != RFAL_BR_KEEP) ) + { + irqs = st25r3911GetInterrupt( ( ST25R3911_IRQ_MASK_RXE | ST25R3911_IRQ_MASK_EOF | ST25R3911_IRQ_MASK_CRC | ST25R3911_IRQ_MASK_PAR | ST25R3911_IRQ_MASK_ERR2 | ST25R3911_IRQ_MASK_ERR1 ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( (irqs & ST25R3911_IRQ_MASK_CRC) || (irqs & ST25R3911_IRQ_MASK_PAR) || (irqs & ST25R3911_IRQ_MASK_ERR1) ) + { + /* nfc_ar may have triggered RF Collision Avoidance, disable it before executing Clear (Stop All activities) */ + st25r3911ClrRegisterBits( ST25R3911_REG_MODE, ST25R3911_REG_MODE_nfc_ar, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_FIFO, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> executeCommand( ST25R3911_CMD_UNMASK_RECEIVE_DATA, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911SetRegisterBits( ST25R3911_REG_MODE, ST25R3911_REG_MODE_nfc_ar, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911ClrRegisterBits(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + break; /* A bad reception occurred, remain in same state */ + } + + /* Retrieve received data */ + mST25 -> readRegister(ST25R3911_REG_FIFO_RX_STATUS1, &tmp, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + *gRFAL.Lm.rxLen = tmp; + + mST25 -> readFifo( gRFAL.Lm.rxBuf, MIN( *gRFAL.Lm.rxLen, rfalConvBitsToBytes(gRFAL.Lm.rxBufLen) ), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check if the data we got has at least the CRC and remove it, otherwise leave at 0 */ + *gRFAL.Lm.rxLen -= ((*gRFAL.Lm.rxLen > RFAL_CRC_LEN) ? RFAL_CRC_LEN : *gRFAL.Lm.rxLen); + *gRFAL.Lm.rxLen = rfalConvBytesToBits( *gRFAL.Lm.rxLen ); + gRFAL.Lm.dataFlag = true; + + /*Check if Observation Mode was enabled and disable it on ST25R391x */ + rfalCheckDisableObsMode(); + } + else if( (irqs & ST25R3911_IRQ_MASK_EOF) && (!gRFAL.Lm.dataFlag) ) + { + rfalListenSetState( RFAL_LM_STATE_POWER_OFF, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + break; + + /*******************************************************************************/ + case RFAL_LM_STATE_READY_F: + case RFAL_LM_STATE_READY_A: + case RFAL_LM_STATE_ACTIVE_A: + case RFAL_LM_STATE_ACTIVE_Ax: + case RFAL_LM_STATE_SLEEP_A: + case RFAL_LM_STATE_SLEEP_B: + case RFAL_LM_STATE_SLEEP_AF: + case RFAL_LM_STATE_READY_Ax: + case RFAL_LM_STATE_CARDEMU_4A: + case RFAL_LM_STATE_CARDEMU_4B: + case RFAL_LM_STATE_CARDEMU_3: + return ERR_INTERNAL; + + case RFAL_LM_STATE_TARGET_F: + case RFAL_LM_STATE_TARGET_A: + break; + + /*******************************************************************************/ + default: + return ERR_WRONG_STATE; + } + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalListenStop( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + gRFAL.Lm.state = RFAL_LM_STATE_NOT_INIT; + + /*Check if Observation Mode was enabled and disable it on ST25R391x */ + rfalCheckDisableObsMode(); + + /* Disable Receiver and Transmitter */ + rfalFieldOff( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* As there's no Off mode, set default value: ISO14443A with automatic RF Collision Avoidance Off */ + mST25 -> writeRegister( ST25R3911_REG_MODE, (ST25R3911_REG_MODE_om_iso14443a | ST25R3911_REG_MODE_nfc_ar_off), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalListenSleepStart( rfalLmState sleepSt, uint8_t *rxBuf, uint16_t rxBufLen, uint16_t *rxLen ) +{ + NO_WARNING(sleepSt); + NO_WARNING(rxBuf); + NO_WARNING(rxBufLen); + NO_WARNING(rxLen); + + return ERR_NOTSUPP; +} + + +/*******************************************************************************/ +rfalLmState rfalListenGetState( bool *dataFlag, rfalBitRate *lastBR ) +{ + /* Allow state retrieval even if gRFAL.state != RFAL_STATE_LM so * + * that this Lm state can be used by caller after activation */ + + if( lastBR != NULL ) + { + *lastBR = gRFAL.Lm.brDetected; + } + + if( dataFlag != NULL ) + { + *dataFlag = gRFAL.Lm.dataFlag; + } + + return gRFAL.Lm.state; +} + + +/*******************************************************************************/ +ReturnCode rfalListenSetState( rfalLmState newSt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t tmp; + + /*rfalLogD( "RFAL: curState: %02X newState: %02X \r\n", gRFAL.Lm.state, newSt );*/ + + /* SetState clears the Data flag */ + gRFAL.Lm.dataFlag = false; + ret = ERR_NONE; + + /*******************************************************************************/ + switch( newSt ) + { + /*******************************************************************************/ + case RFAL_LM_STATE_POWER_OFF: + + /*******************************************************************************/ + /* Disable nfc_ar as RF Collision Avoidance timer may have already started */ + st25r3911ClrRegisterBits( ST25R3911_REG_MODE, ST25R3911_REG_MODE_nfc_ar, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_FIFO, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Ensure that our field is Off, as automatic response RF Collision Avoidance may have been triggered */ + st25r3911ClrRegisterBits(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* Ensure that the NFCIP1 mode is disabled */ + st25r3911ClrRegisterBits( ST25R3911_REG_ISO14443A_NFC, ST25R3911_REG_ISO14443A_NFC_nfc_f0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* Clear and enable required IRQs */ + st25r3911DisableInterrupts( ST25R3911_IRQ_MASK_ALL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ); + + + st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_NFCT | ST25R3911_IRQ_MASK_RXS | ST25R3911_IRQ_MASK_CRC | ST25R3911_IRQ_MASK_ERR1 | + ST25R3911_IRQ_MASK_ERR2 | ST25R3911_IRQ_MASK_PAR | ST25R3911_IRQ_MASK_EON | ST25R3911_IRQ_MASK_EOF | ST25R3911_IRQ_MASK_RXE ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata TDB */ + /* RXS and NFCT are triggered very close (specially in higher bitrates). * + * If the interrupt status register is being read when NFCT is trigerred, the * + * IRQ line might go low and NFCT is not signalled on the status register. * + * For initial bitrate detection, mask RXS, only wait for NFCT and RXE. */ + /*******************************************************************************/ + + st25r3911EnableInterrupts( (ST25R3911_IRQ_MASK_NFCT | ST25R3911_IRQ_MASK_CRC | ST25R3911_IRQ_MASK_ERR1 | + ST25R3911_IRQ_MASK_ERR2 | ST25R3911_IRQ_MASK_PAR | ST25R3911_IRQ_MASK_EON | ST25R3911_IRQ_MASK_EOF | ST25R3911_IRQ_MASK_RXE ), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* Clear the bitRate previously detected */ + gRFAL.Lm.brDetected = RFAL_BR_KEEP; + + + /*******************************************************************************/ + /* Apply the BitRate detection mode mode */ + mST25 -> writeRegister( ST25R3911_REG_MODE, + (ST25R3911_REG_MODE_targ_targ | ST25R3911_REG_MODE_om_bit_rate_detection | ST25R3911_REG_MODE_nfc_ar_on), + mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #1.3 */ + /* Even though bitrate is going to be detected the bitrate must be set to * + * 106kbps to get correct 106kbps parity */ + mST25 -> writeRegister( ST25R3911_REG_BIT_RATE, (ST25R3911_REG_BIT_RATE_txrate_106 | ST25R3911_REG_BIT_RATE_rxrate_106), + mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + /*******************************************************************************/ + + + /*******************************************************************************/ + /* Check if external Field is already On */ + if( rfalIsExtFieldOn( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + return rfalListenSetState( RFAL_LM_STATE_IDLE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; /* Set IDLE state */ + } + break; + + /*******************************************************************************/ + case RFAL_LM_STATE_IDLE: + + /*******************************************************************************/ + /* In Active P2P the Initiator may: Turn its field On; LM goes into IDLE state; + * Initiator sends an unexpected frame raising a Protocol error; Initiator + * turns its field Off and ST25R3911 performs the automatic RF Collision + * Avoidance keeping our field On; upon a Protocol error upper layer sets + * again the state to IDLE to clear dataFlag and wait for next data. + * + * Ensure that when upper layer calls SetState(IDLE), it restores initial + * configuration and that check whether an external Field is still present */ + + /* nfc_ar may have triggered RF Collision Avoidance, disable it before executing Clear (Stop All activities) */ + st25r3911ClrRegisterBits( ST25R3911_REG_MODE, ST25R3911_REG_MODE_nfc_ar, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_FIFO, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911SetRegisterBits( ST25R3911_REG_MODE, ST25R3911_REG_MODE_nfc_ar, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Ensure that our field is Off, as automatic response RF Collision Avoidance may have been triggered */ + st25r3911ClrRegisterBits(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en , mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /* Load 2nd/3rd stage gain setting from registers into the receiver */ + mST25 -> executeCommand( ST25R3911_CMD_CLEAR_SQUELCH, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /*******************************************************************************/ + /* REMARK: Silicon workaround ST25R3911 Errata #1.4 */ + /* Enable; disable; enable mixer to make sure the digital decoder is in * + * high state. This also switches the demodulator to mixer mode. */ + mST25 -> readRegister( ST25R3911_REG_RX_CONF1, &tmp, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> writeRegister( ST25R3911_REG_RX_CONF1, (tmp | ST25R3911_REG_RX_CONF1_amd_sel), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> writeRegister( ST25R3911_REG_RX_CONF1, (tmp & ~ST25R3911_REG_RX_CONF1_amd_sel), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25 -> writeRegister( ST25R3911_REG_RX_CONF1, (tmp | ST25R3911_REG_RX_CONF1_amd_sel), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + /*******************************************************************************/ + + /* ReEnable the receiver */ + mST25 -> executeCommand( ST25R3911_CMD_UNMASK_RECEIVE_DATA, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + /* If external Field is no longer detected go back to POWER_OFF */ + if( !st25r3911CheckReg(ST25R3911_REG_AUX_DISPLAY, ST25R3911_REG_AUX_DISPLAY_efd_o, ST25R3911_REG_AUX_DISPLAY_efd_o, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ) + { + return rfalListenSetState( RFAL_LM_STATE_POWER_OFF, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; /* Set POWER_OFF state */ + } + + /*******************************************************************************/ + /*Check if Observation Mode is enabled and set it on ST25R391x */ + rfalCheckEnableObsModeRx(); + break; + + /*******************************************************************************/ + case RFAL_LM_STATE_TARGET_A: + case RFAL_LM_STATE_TARGET_F: + /* States not handled by the LM, just keep state context */ + break; + + /*******************************************************************************/ + case RFAL_LM_STATE_READY_F: + case RFAL_LM_STATE_CARDEMU_3: + case RFAL_LM_STATE_READY_Ax: + case RFAL_LM_STATE_READY_A: + case RFAL_LM_STATE_ACTIVE_Ax: + case RFAL_LM_STATE_ACTIVE_A: + case RFAL_LM_STATE_SLEEP_A: + case RFAL_LM_STATE_SLEEP_B: + case RFAL_LM_STATE_SLEEP_AF: + case RFAL_LM_STATE_CARDEMU_4A: + case RFAL_LM_STATE_CARDEMU_4B: + return ERR_NOTSUPP; + + /*******************************************************************************/ + default: + return ERR_WRONG_STATE; + } + + gRFAL.Lm.state = newSt; + + return ret; +} + + +/******************************************************************************* + * Wake-Up Mode * + *******************************************************************************/ + +/*******************************************************************************/ +ReturnCode rfalWakeUpModeStart( void *config, ST25R3911* mST25, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t aux; + uint8_t reg; + uint32_t irqs; + + /* The Wake-Up procedure is explained in detail in Application Note: AN4985 */ + + if( config == NULL) + { + gRFAL.wum.cfg.period = ST25R3911_WUM_PERIDOD_500MS; + gRFAL.wum.cfg.irqTout = false; + + gRFAL.wum.cfg.indPha.enabled = true; + gRFAL.wum.cfg.indPha.delta = 3; + gRFAL.wum.cfg.indPha.reference = ST25R3911_WUM_REFRENCE_AUTO; + gRFAL.wum.cfg.indPha.autoAvg = true; + + + gRFAL.wum.cfg.cap.enabled = false; + gRFAL.wum.cfg.cap.delta = 3; + gRFAL.wum.cfg.cap.reference = ST25R3911_WUM_REFRENCE_AUTO; + gRFAL.wum.cfg.cap.autoAvg = true; + + + + gRFAL.wum.cfg.indAmp.enabled = false; + gRFAL.wum.cfg.indAmp.delta = 3; + gRFAL.wum.cfg.indAmp.reference = ST25R3911_WUM_REFRENCE_AUTO; + gRFAL.wum.cfg.indAmp.autoAvg = true; + } + else + { + gRFAL.wum.cfg = *((st25r3911WakeUpConfig*)config); + } + + + if( gRFAL.wum.cfg.cap.enabled && (gRFAL.wum.cfg.indAmp.enabled || gRFAL.wum.cfg.indPha.enabled) ) + { + return ERR_PARAM; + } + + irqs = ST25R3911_IRQ_MASK_NONE; + + + + ///// conf wake up timer and control register IRQ if diff larger that delta am -> 00000100 + + //mST25->writeRegister(ST25R3911_REG_WUP_TIMER_CONTROL, ST25R3911_REG_WUP_TIMER_CONTROL_wam, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + + + /*******************************************************************************/ + /* Prepare Wake-Up Timer Control Register */ + reg = ((gRFAL.wum.cfg.period & 0x0F) << ST25R3911_REG_WUP_TIMER_CONTROL_shift_wut); + reg |= ((gRFAL.wum.cfg.period < ST25R3911_WUM_PERIDOD_100MS) ? ST25R3911_REG_WUP_TIMER_CONTROL_wur : 0x00); + + if(gRFAL.wum.cfg.irqTout) + { + reg |= ST25R3911_REG_WUP_TIMER_CONTROL_wto; + irqs |= ST25R3911_IRQ_MASK_WT; + } + + /*******************************************************************************/ + /* Check if Inductive Amplitude is to be performed */ + if( gRFAL.wum.cfg.indAmp.enabled ) + { + aux = ((gRFAL.wum.cfg.indAmp.delta) << ST25R3911_REG_AMPLITUDE_MEASURE_CONF_shift_am_d); + aux |= (gRFAL.wum.cfg.indAmp.aaInclMeas ? ST25R3911_REG_AMPLITUDE_MEASURE_CONF_am_aam : 0x00); + aux |= ((gRFAL.wum.cfg.indAmp.aaWeight << ST25R3911_REG_AMPLITUDE_MEASURE_CONF_shift_am_aew) & ST25R3911_REG_AMPLITUDE_MEASURE_CONF_mask_am_aew); + aux |= (gRFAL.wum.cfg.indAmp.autoAvg ? ST25R3911_REG_AMPLITUDE_MEASURE_CONF_am_ae : 0x00); + + mST25->writeRegister(ST25R3911_REG_AMPLITUDE_MEASURE_CONF, aux, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Only need to set the reference if not using Auto Average */ + if( !gRFAL.wum.cfg.indAmp.autoAvg ) + { + if( gRFAL.wum.cfg.indAmp.reference == ST25R3911_WUM_REFRENCE_AUTO ) + { + st25r3911MeasureRF( &aux, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25->writeRegister(ST25R3911_REG_AMPLITUDE_MEASURE_REF, aux, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + mST25->writeRegister(ST25R3911_REG_AMPLITUDE_MEASURE_REF, gRFAL.wum.cfg.indAmp.reference, mspiChannel, gpio_cs, + IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + } + + reg |= ST25R3911_REG_WUP_TIMER_CONTROL_wam; + irqs |= ST25R3911_IRQ_MASK_WAM; + } + + /*******************************************************************************/ + /* Check if Inductive Phase is to be performed */ + if( gRFAL.wum.cfg.indPha.enabled ) + { + aux = ((gRFAL.wum.cfg.indPha.delta) << ST25R3911_REG_PHASE_MEASURE_CONF_shift_pm_d); + aux |= (gRFAL.wum.cfg.indPha.aaInclMeas ? ST25R3911_REG_PHASE_MEASURE_CONF_pm_aam : 0x00); + aux |= ((gRFAL.wum.cfg.indPha.aaWeight << ST25R3911_REG_PHASE_MEASURE_CONF_shift_pm_aew) & ST25R3911_REG_PHASE_MEASURE_CONF_mask_pm_aew); + aux |= (gRFAL.wum.cfg.indPha.autoAvg ? ST25R3911_REG_PHASE_MEASURE_CONF_pm_ae : 0x00); + + mST25->writeRegister(ST25R3911_REG_PHASE_MEASURE_CONF, aux, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Only need to set the reference if not using Auto Average */ + if( !gRFAL.wum.cfg.indPha.autoAvg ) + { + if( gRFAL.wum.cfg.indPha.reference == ST25R3911_WUM_REFRENCE_AUTO ) + { + st25r3911MeasureAntennaResonance( &aux, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25->writeRegister(ST25R3911_REG_PHASE_MEASURE_REF, aux, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + + mST25->writeRegister(ST25R3911_REG_PHASE_MEASURE_REF, gRFAL.wum.cfg.indPha.reference, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + } + } + + reg |= ST25R3911_REG_WUP_TIMER_CONTROL_wph; + irqs |= ST25R3911_IRQ_MASK_WPH; + } + + /*******************************************************************************/ + /* Check if Capacitive is to be performed */ + if( gRFAL.wum.cfg.cap.enabled ) + { + return ERR_NOT_IMPLEMENTED; + } + + /* Disable External Field Detector */ + st25r3911ClrRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_en_fd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable and clear all interrupts except Wake-Up IRQs */ + st25r3911DisableInterrupts( ST25R3911_IRQ_MASK_ALL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911GetInterrupt( irqs, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911EnableInterrupts( irqs, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Enable Low Power Wake-Up Mode */ + mST25->writeRegister(ST25R3911_REG_WUP_TIMER_CONTROL, reg, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + mST25->writeRegister(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + + + gRFAL.wum.state = RFAL_WUM_STATE_ENABLED; + gRFAL.state = RFAL_STATE_WUM; + + return ERR_NONE; +} + + +/*******************************************************************************/ +bool rfalWakeUpModeHasWoke( ST25R3911* mST25, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + + return (gRFAL.wum.state == RFAL_WUM_STATE_ENABLED_WOKE); +} + + +/*******************************************************************************/ +static void rfalRunWakeUpModeWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint32_t irqs; + + if( gRFAL.state != RFAL_STATE_WUM ) + { + return; + } + + switch( gRFAL.wum.state ) + { + case RFAL_WUM_STATE_ENABLED: + case RFAL_WUM_STATE_ENABLED_WOKE: + + irqs = st25r3911GetInterrupt( ( ST25R3911_IRQ_MASK_WT | ST25R3911_IRQ_MASK_WAM | ST25R3911_IRQ_MASK_WPH | ST25R3911_IRQ_MASK_WCAP ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( irqs == ST25R3911_IRQ_MASK_NONE ) + { + break; /* No interrupt to process */ + } + + /*******************************************************************************/ + /* Check and mark which measurement(s) cause interrupt */ + if(irqs & ST25R3911_IRQ_MASK_WAM) + { + gRFAL.wum.state = RFAL_WUM_STATE_ENABLED_WOKE; + } + + if(irqs & ST25R3911_IRQ_MASK_WPH) + { + gRFAL.wum.state = RFAL_WUM_STATE_ENABLED_WOKE; + } + + if(irqs & ST25R3911_IRQ_MASK_WCAP) + { + gRFAL.wum.state = RFAL_WUM_STATE_ENABLED_WOKE; + } + break; + + default: + break; + } +} + + +/*******************************************************************************/ +ReturnCode rfalWakeUpModeStop( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( gRFAL.wum.state == RFAL_WUM_STATE_NOT_INIT ) + { + return ERR_WRONG_STATE; + } + + gRFAL.wum.state = RFAL_WUM_STATE_NOT_INIT; + + /* Re-Enable External Field Detector */ + st25r3911SetRegisterBits( ST25R3911_REG_AUX, ST25R3911_REG_AUX_en_fd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Disable Wake-Up Mode */ + st25r3911ClrRegisterBits( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_wu, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + st25r3911DisableInterrupts( (ST25R3911_IRQ_MASK_WT | ST25R3911_IRQ_MASK_WAM | ST25R3911_IRQ_MASK_WPH | ST25R3911_IRQ_MASK_WCAP), + mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Re-Enable the Oscillator */ + st25r3911OscOn( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + return ERR_NONE; +} + + +/******************************************************************************* + * RF Chip * + *******************************************************************************/ + +/*******************************************************************************/ +ReturnCode rfalChipWriteReg( uint16_t reg, uint8_t* values, uint8_t len, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( !st25r3911IsRegValid( (uint8_t)reg) ) + { + return ERR_PARAM; + } + + mST25 -> writeMultipleRegisters( (uint8_t)reg, values, len, mspiChannel,mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalChipReadReg( uint16_t reg, uint8_t* values, uint8_t len, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( !st25r3911IsRegValid( (uint8_t)reg) ) + { + return ERR_PARAM; + } + + mST25 -> readMultipleRegisters( (uint8_t)reg, values, len, mspiChannel,mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalChipExecCmd( uint16_t cmd, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + if( !st25r3911IsCmdValid( (uint8_t)cmd) ) + { + return ERR_PARAM; + } + + mST25 -> executeCommand( (uint8_t) cmd, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalChipWriteTestReg( uint16_t reg, uint8_t value, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + st25r3911WriteTestRegister( (uint8_t)reg, value, mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalChipReadTestReg( uint16_t reg, uint8_t* value, SPI * mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + st25r3911ReadTestRegister( (uint8_t)reg, value, mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalChipChangeRegBits( uint16_t reg, uint8_t valueMask, uint8_t value, SPI* mspiChannel, + ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + st25r3911ChangeRegisterBits( (uint8_t)reg, valueMask, value, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + +/*******************************************************************************/ +ReturnCode rfalChipChangeTestRegBits( uint16_t reg, uint8_t valueMask, uint8_t value, SPI * mspiChannel, ST25R3911* mST25, + DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + st25r3911ChangeTestRegisterBits( (uint8_t)reg, valueMask, value, mST25, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + return ERR_NONE; +} + + + +void rfalSetWumState( void ) +{ + gRFAL.wum.state = RFAL_WUM_STATE_ENABLED_WOKE; +} + + +/*******************************************************************************/ +/* extern uint8_t invalid_size_of_stream_configs[(sizeof(struct st25r3911StreamConfig) == sizeof(struct iso15693StreamConfig))?1:(-1)]; */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_rf.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,1482 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_rf.h + * + * \author Gustavo Patricio + * + * \brief RF Abstraction Layer (RFAL) + * + * RFAL (RF Abstraction Layer) provides several functionalities required to + * perform RF/NFC communications. <br>The RFAL encapsulates the different + * RF ICs (ST25R3911, ST25R391x, etc) into a common and easy to use interface. + * + * It provides interfaces to configure the RF IC, set/get timings, modes, bit rates, + * specific handlings, execute listen mode, etc. + * + * Furthermore it provides a common interface to perform a Transceive operations. + * The Transceive can be executed in a blocking or non blocking way.<br> + * Additionally few specific Transceive methods are available to cope with the + * specifics of these particular operations. + * + * The most common interfaces are: + * <br> rfalInitialize() + * <br> rfalSetFDTPoll() + * <br> rfalSetFDTListen() + * <br> rfalSetGT() + * <br> rfalSetBitRate() + * <br> rfalSetMode() + * <br> rfalFieldOnAndStartGT() + * <br> rfalFieldOff() + * <br> rfalStartTransceive() + * <br> rfalGetTransceiveStatus() + * <br> rfalTransceiveBlockingTxRx() + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-HAL + * @brief RFAL Hardware Abstraction Layer + * @{ + * + * @addtogroup RF + * @brief RFAL RF Abstraction Layer + * @{ + * + */ + +#ifndef RFAL_RF_H +#define RFAL_RF_H + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_features.h" +#include "st25r3911_com.h" +#include <stdint.h> + +/* +****************************************************************************** +* GLOBAL DEFINES +****************************************************************************** +*/ +#define RFAL_VERSION (uint32_t)0x010302 /*!< RFAL Current Version: v1.3.2 */ + +#define RFAL_FWT_NONE 0xFFFFFFFF /*!< Disabled FWT: Wait forever for a response */ +#define RFAL_GT_NONE RFAL_TIMING_NONE /*!< Disabled GT: No GT will be applied after Field On */ + +#define RFAL_TIMING_NONE 0x00 /*!< Timing disabled | Don't apply */ + +#define RFAL_1FC_IN_4096FC (uint32_t)4096 /*!< Number of 1/fc cycles in one 4096/fc */ +#define RFAL_1FC_IN_512FC (uint32_t)512 /*!< Number of 1/fc cycles in one 512/fc */ +#define RFAL_1FC_IN_64FC (uint32_t)64 /*!< Number of 1/fc cycles in one 64/fc */ +#define RFAL_1FC_IN_8FC (uint32_t)8 /*!< Number of 1/fc cycles in one 8/fc */ +#define RFAL_US_IN_MS (uint32_t)1000 /*!< Number of us in one ms */ +#define RFAL_1MS_IN_1FC (uint32_t)13560 /*!< Number of 1/fc cycles in 1ms */ +#define RFAL_BITS_IN_BYTE (uint16_t)8 /*!< Number of bits in one byte */ + +#define RFAL_CRC_LEN 2 /*!< RF CRC LEN */ + +/*! Default TxRx flags: Tx CRC automatic, Rx CRC removed, NFCIP1 mode off, AGC On, Tx Parity automatic, Rx Parity removed */ +#define RFAL_TXRX_FLAGS_DEFAULT ( RFAL_TXRX_FLAGS_CRC_TX_AUTO | RFAL_TXRX_FLAGS_CRC_RX_REMV | RFAL_TXRX_FLAGS_NFCIP1_OFF | RFAL_TXRX_FLAGS_AGC_ON | RFAL_TXRX_FLAGS_PAR_RX_REMV | RFAL_TXRX_FLAGS_PAR_TX_AUTO | RFAL_TXRX_FLAGS_NFCV_FLAG_AUTO) + + +#define RFAL_LM_MASK_NFCA (1<<RFAL_MODE_LISTEN_NFCA) /*!< Bitmask for Listen Mode enabling Listen NFCA */ +#define RFAL_LM_MASK_NFCB (1<<RFAL_MODE_LISTEN_NFCB) /*!< Bitmask for Listen Mode enabling Listen NFCB */ +#define RFAL_LM_MASK_NFCF (1<<RFAL_MODE_LISTEN_NFCF) /*!< Bitmask for Listen Mode enabling Listen NFCF */ +#define RFAL_LM_MASK_ACTIVE_P2P (1<<RFAL_MODE_LISTEN_ACTIVE_P2P) /*!< Bitmask for Listen Mode enabling Listen AP2P */ + +#define RFAL_LM_SENS_RES_LEN 2 /*!< NFC-A SENS_RES (ATQA) length */ +#define RFAL_LM_SENSB_RES_LEN 13 /*!< NFC-B SENSB_RES (ATQB) length */ +#define RFAL_LM_SENSF_RES_LEN 19 /*!< NFC-F SENSF_RES length */ +#define RFAL_LM_SENSF_SC_LEN 2 /*!< NFC-F System Code length */ + +#define RFAL_NFCID3_LEN 10 /*!< NFCID3 length */ +#define RFAL_NFCID2_LEN 7 /*!< NFCID2 length */ +#define RFAL_NFCID1_LEN 4 /*!< NFCID1 length */ + + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ + +/*! Returns the maximum supported bit rate for RW mode. Caller must check if mode is supported before, as even if mode is not supported will return the min */ +#define rfalGetMaxBrRW() ( ((RFAL_SUPPORT_BR_RW_6780) ? RFAL_BR_6780 : ((RFAL_SUPPORT_BR_RW_3390) ? RFAL_BR_3390 : ((RFAL_SUPPORT_BR_RW_1695) ? RFAL_BR_1695 : ((RFAL_SUPPORT_BR_RW_848) ? RFAL_BR_848 : ((RFAL_SUPPORT_BR_RW_424) ? RFAL_BR_424 : ((RFAL_SUPPORT_BR_RW_212) ? RFAL_BR_212 : RFAL_BR_106 ) ) ) ) ) ) ) + +/*! Returns the maximum supported bit rate for AP2P mode. Caller must check if mode is supported before, as even if mode is not supported will return the min */ +#define rfalGetMaxBrAP2P() ( ((RFAL_SUPPORT_BR_AP2P_848) ? RFAL_BR_848 : ((RFAL_SUPPORT_BR_AP2P_424) ? RFAL_BR_424 : ((RFAL_SUPPORT_BR_AP2P_212) ? RFAL_BR_212 : RFAL_BR_106 ) ) ) ) + +/*! Returns the maximum supported bit rate for CE-A mode. Caller must check if mode is supported before, as even if mode is not supported will return the min */ +#define rfalGetMaxBrCEA() ( ((RFAL_SUPPORT_BR_CE_A_848) ? RFAL_BR_848 : ((RFAL_SUPPORT_BR_CE_A_424) ? RFAL_BR_424 : ((RFAL_SUPPORT_BR_CE_A_212) ? RFAL_BR_212 : RFAL_BR_106 ) ) ) ) + +/*! Returns the maximum supported bit rate for CE-B mode. Caller must check if mode is supported before, as even if mode is not supported will return the min */ +#define rfalGetMaxBrCEB() ( ((RFAL_SUPPORT_BR_CE_B_848) ? RFAL_BR_848 : ((RFAL_SUPPORT_BR_CE_B_424) ? RFAL_BR_424 : ((RFAL_SUPPORT_BR_CE_B_212) ? RFAL_BR_212 : RFAL_BR_106 ) ) ) ) + +/*! Returns the maximum supported bit rate for CE-F mode. Caller must check if mode is supported before, as even if mode is not supported will return the min */ +#define rfalGetMaxBrCEF() ( ((RFAL_SUPPORT_BR_CE_F_424) ? RFAL_BR_424 : RFAL_BR_212 ) ) + +#define rfalConv1fcTo8fc( t ) (uint32_t)( (t) / RFAL_1FC_IN_8FC ) /*!< Converts the given t from 1/fc to 8/fc */ +#define rfalConv8fcTo1fc( t ) (uint32_t)( (t) * RFAL_1FC_IN_8FC ) /*!< Converts the given t from 8/fc to 1/fc */ + +#define rfalConv1fcTo64fc( t ) (uint32_t)( (t) / RFAL_1FC_IN_64FC ) /*!< Converts the given t from 1/fc to 64/fc */ +#define rfalConv64fcTo1fc( t ) (uint32_t)( (t) * RFAL_1FC_IN_64FC ) /*!< Converts the given t from 64/fc to 1/fc */ + +#define rfalConv1fcTo512fc( t ) (uint32_t)( (t) / RFAL_1FC_IN_512FC ) /*!< Converts the given t from 1/fc to 512/fc */ +#define rfalConv512fcTo1fc( t ) (uint32_t)( (t) * RFAL_1FC_IN_512FC ) /*!< Converts the given t from 512/fc to 1/fc */ + +#define rfalConv1fcTo4096fc( t ) (uint32_t)( (t) / RFAL_1FC_IN_4096FC ) /*!< Converts the given t from 1/fc to 4096/fc */ +#define rfalConv4096fcTo1fc( t ) (uint32_t)( (t) * RFAL_1FC_IN_4096FC ) /*!< Converts the given t from 4096/fc to 1/fc */ + +#define rfalConv1fcToMs( t ) (uint32_t)( (t) / RFAL_1MS_IN_1FC ) /*!< Converts the given t from 1/fc to ms */ +#define rfalConvMsTo1fc( t ) (uint32_t)( (t) * RFAL_1MS_IN_1FC ) /*!< Converts the given t from ms to 1/fc */ + +#define rfalConv1fcToUs( t ) (uint32_t)( (t * RFAL_US_IN_MS) / RFAL_1MS_IN_1FC) /*!< Converts the given t from 1/fc to us */ +#define rfalConvUsTo1fc( t ) (uint32_t)( (t * RFAL_1MS_IN_1FC) / RFAL_US_IN_MS) /*!< Converts the given t from us to 1/fc */ + +#define rfalConv64fcToMs( t ) (uint32_t)( (t) / (RFAL_1MS_IN_1FC / RFAL_1FC_IN_64FC) ) /*!< Converts the given t from 64/fc to ms */ +#define rfalConvMsTo64fc( t ) (uint32_t)( (t) * (RFAL_1MS_IN_1FC / RFAL_1FC_IN_64FC) ) /*!< Converts the given t from ms to 64/fc */ + +#define rfalConvBitsToBytes( n ) (uint32_t)( (n+(RFAL_BITS_IN_BYTE-1)) / (RFAL_BITS_IN_BYTE) ) /*!< Converts the given n from bits to bytes */ +#define rfalConvBytesToBits( n ) (uint32_t)( (n) * (RFAL_BITS_IN_BYTE) ) /*!< Converts the given n from bytes to bits */ + + + +#define rfalIsTransceiveInTx( ) ( !rfalIsTransceiveInRx() && (rfalGetTransceiveState() >= RFAL_TXRX_STATE_TX_IDLE) ) /*!< Checks if Transceive is in a Transmission state ( Transmit ongoing ) */ +#define rfalIsTransceiveInRx( ) ( rfalGetTransceiveState() >= RFAL_TXRX_STATE_RX_IDLE ) /*!< Checks if Transceive is in a Reception state ( Transmit done ) */ + + + + +/*! Computes a Transceive context \a ctx with default flags and the lengths + * in bytes with the given arguments + * \a ctx : Transceive context to be assigned + * \a tB : txBuf the pointer to the buffer to be sent + * \a tBL : txBuf length in bytes + * \a rB : rxBuf the pointer to the buffer to place the received frame + * \a rBL : rxBuf length in bytes + * \a rBL : rxBuf length in bytes + * \a t : FWT to be used on this transceive in 1/fc + */ +#define rfalCreateByteTxRxContext( ctx, tB, tBL, rB, rBL, rdL, t ) \ + ctx.txBuf = (tB); \ + ctx.txBufLen = rfalConvBytesToBits(tBL); \ + ctx.rxBuf = (rB); \ + ctx.rxBufLen = rfalConvBytesToBits(rBL); \ + ctx.rxRcvdLen = rdL; \ + ctx.flags = RFAL_TXRX_FLAGS_DEFAULT; \ + ctx.fwt = (t); + + +/*! Computes a Transceive context \a ctx using lengths in bytes + * with the given flags and arguments + * \a ctx : Transceive context to be assigned + * \a tB : txBuf the pointer to the buffer to be sent + * \a tBL : txBuf length in bytes + * \a rB : rxBuf the pointer to the buffer to place the received frame + * \a rBL : rxBuf length in bytes + * \a rBL : rxBuf length in bytes + * \a t : FWT to be used on this transceive in 1/fc + */ +#define rfalCreateByteFlagsTxRxContext( ctx, tB, tBL, rB, rBL, rdL, fl, t ) \ + ctx.txBuf = (tB); \ + ctx.txBufLen = rfalConvBytesToBits(tBL); \ + ctx.rxBuf = (rB); \ + ctx.rxBufLen = rfalConvBytesToBits(rBL); \ + ctx.rxRcvdLen = rdL; \ + ctx.flags = (fl); \ + ctx.fwt = (t); + + +#define rfalLogE(...) //(__VA_ARGS__) /*!< Macro for the error log method */ +#define rfalLogW(...) //(__VA_ARGS__) /*!< Macro for the warning log method */ +#define rfalLogI(...) //(__VA_ARGS__) /*!< Macro for the info log method */ +#define rfalLogD(...) //(__VA_ARGS__) /*!< Macro for the debug log method */ + + +/* +****************************************************************************** +* GLOBAL ENUMS +****************************************************************************** +*/ + +/*! RFAL Guard Time (GT) default values */ +enum { + RFAL_GT_NFCA = rfalConvMsTo1fc(5), /*!< GTA Digital 1.1 6.10.4.1 & A.2 */ + RFAL_GT_NFCB = rfalConvMsTo1fc(5), /*!< GTB Digital 1.1 7.9.4.1 & A.3 */ + RFAL_GT_NFCF = rfalConvMsTo1fc(20), /*!< GTF Digital 1.1 8.7.4.1 & A.4 */ + RFAL_GT_NFCV = rfalConvMsTo1fc(1), /*!< GTV NFC Forum NFCV Change Request 9.7.1.1 & A.2 */ + RFAL_GT_NFCV_ADJUSTED = rfalConvMsTo1fc(1+4), /*!< Adjusted GT for greater interoperability (ISO15693 Dynamic Tags) */ + RFAL_GT_PICOPASS = rfalConvMsTo1fc(1), /*!< GT Picopass */ + RFAL_GT_AP2P = rfalConvMsTo1fc(5), /*!< TIRFG Ecma 340 11.1.1 */ + RFAL_GT_AP2P_ADJUSTED = rfalConvMsTo1fc(5+25) /*!< Adjusted GT for greater interoperability (Sony XPERIA P, Nokia N9, Huawei P2) */ +}; + + +/*! RFAL Frame Delay Time (FDT) Listen default values */ +enum { + RFAL_FDT_LISTEN_NFCA_POLLER = 1172, /*!< FDTA,LISTEN,MIN (n=9) Last bit: Logic "1" - tnn,min/2 Digital 1.1 6.10 ; EMV CCP Spec Book D v2.01 4.8.1.3 */ + RFAL_FDT_LISTEN_NFCB_POLLER = 1008, /*!< TR0B,MIN Digital 1.1 7.1.3 & A.3 ; EMV CCP Spec Book D v2.01 4.8.1.3 & Table A.5 */ + RFAL_FDT_LISTEN_NFCF_POLLER = 2672, /*!< TR0F,LISTEN,MIN Digital 1.1 8.7.1.1 & A.4 */ + RFAL_FDT_LISTEN_NFCV_POLLER = 4192, /*!< t1 min 4192/fc (309,2us) ISO15693 3 Table 8 */ + RFAL_FDT_LISTEN_PICOPASS_POLLER = 3400, /*!< ISO15693 t1 min - observed adjustment */ + RFAL_FDT_LISTEN_AP2P_POLLER = 64, /*!< FDT AP2P No actual FDTListen is required as fields switch and collision avoidance */ + RFAL_FDT_LISTEN_NFCA_LISTENER = 1172, /*!< FDTA,LISTEN,MIN Digital 1.1 6.10 */ + RFAL_FDT_LISTEN_NFCB_LISTENER = 1024, /*!< TR0B,MIN Digital 1.1 7.1.3 & A.3 ; EMV CCP Spec Book D v2.01 4.8.1.3 & Table A.5 */ + RFAL_FDT_LISTEN_NFCF_LISTENER = 2688, /*!< TR0F,LISTEN,MIN Digital 1.1 8.7.1.1 & A.4 */ + RFAL_FDT_LISTEN_AP2P_LISTENER = 64 /*!< FDT AP2P No actual FDTListen exists as fields switch and collision avoidance */ +}; + + +/*! RFAL Frame Delay Time (FDT) Poll default values */ +enum { + RFAL_FDT_POLL_NFCA_POLLER = 6780, /*!< FDTA,POLL,MIN Digital 1.1 6.10.3.1 & A.2 */ + RFAL_FDT_POLL_NFCA_T1T_POLLER = 384, /*!< RRDDT1T,MIN,B1 Digital 1.1 10.7.1 & A.5 */ + RFAL_FDT_POLL_NFCB_POLLER = 6780, /*!< FDTB,POLL,MIN = TR2B,MIN,DEFAULT Digital 1.1 7.9.3 & A.3 */ + RFAL_FDT_POLL_NFCF_POLLER = 2672, /*!< FDTF,POLL,MIN Digital 1.1 8.7.3 & A.4 */ + RFAL_FDT_POLL_NFCV_POLLER = 4192, /*!< FDTV,POLL NFC Forum NFCV Change Request A.2*/ + RFAL_FDT_POLL_PICOPASS_POLLER = 1790, /*!< FDT Max */ + RFAL_FDT_POLL_AP2P_POLLER = 0 /*!< FDT AP2P No actual FDTPoll exists as fields switch and collision avoidance */ +}; + + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! RFAL modes */ +typedef enum { + RFAL_MODE_NONE = 0, /*!< No mode selected/defined */ + RFAL_MODE_POLL_NFCA = 1, /*!< Mode to perform as NFCA (ISO14443A) Poller (PCD) */ + RFAL_MODE_POLL_NFCA_T1T = 2, /*!< Mode to perform as NFCA T1T (Topaz) Poller (PCD) */ + RFAL_MODE_POLL_NFCB = 3, /*!< Mode to perform as NFCB (ISO14443B) Poller (PCD) */ + RFAL_MODE_POLL_B_PRIME = 4, /*!< Mode to perform as B' Calypso (Innovatron) (PCD) */ + RFAL_MODE_POLL_B_CTS = 5, /*!< Mode to perform as CTS Poller (PCD) */ + RFAL_MODE_POLL_NFCF = 6, /*!< Mode to perform as NFCF (FeliCa) Poller (PCD) */ + RFAL_MODE_POLL_NFCV = 7, /*!< Mode to perform as NFCV (ISO15963) Poller (PCD) */ + RFAL_MODE_POLL_PICOPASS = 8, /*!< Mode to perform as PicoPass / iClass Poller (PCD) */ + RFAL_MODE_POLL_ACTIVE_P2P = 9, /*!< Mode to perform as Active P2P (ISO18092) Initiator */ + RFAL_MODE_LISTEN_NFCA = 10, /*!< Mode to perform as NFCA (ISO14443A) Listener (PICC) */ + RFAL_MODE_LISTEN_NFCB = 11, /*!< Mode to perform as NFCA (ISO14443B) Listener (PICC) */ + RFAL_MODE_LISTEN_NFCF = 12, /*!< Mode to perform as NFCA (ISO15963) Listener (PICC) */ + RFAL_MODE_LISTEN_ACTIVE_P2P = 13 /*!< Mode to perform as Active P2P (ISO18092) Target */ +} rfalMode; + + +/*! RFAL Bit rates */ +typedef enum { + RFAL_BR_106 = 0, /*!< Bit Rate 106 kbit/s (fc/128) */ + RFAL_BR_212 = 1, /*!< Bit Rate 212 kbit/s (fc/64) */ + RFAL_BR_424 = 2, /*!< Bit Rate 424 kbit/s (fc/32) */ + RFAL_BR_848 = 3, /*!< Bit Rate 848 kbit/s (fc/16) */ + RFAL_BR_1695 = 4, /*!< Bit Rate 1695 kbit/s (fc/8) */ + RFAL_BR_3390 = 5, /*!< Bit Rate 3390 kbit/s (fc/4) */ + RFAL_BR_6780 = 6, /*!< Bit Rate 6780 kbit/s (fc/2) */ + RFAL_BR_52p97 = 0xEB, /*!< Bit Rate 52.97 kbit/s (fc/256) Fast Mode VICC->VCD */ + RFAL_BR_26p48 = 0xEC, /*!< Bit Rate 26,48 kbit/s (fc/512) NFCV VICC->VCD & VCD->VICC 1of4 */ + RFAL_BR_1p66 = 0xED, /*!< Bit Rate 1,66 kbit/s (fc/8192) NFCV VCD->VICC 1of256 */ + RFAL_BR_KEEP = 0xFF /*!< Value indicating to keep the same previous bit rate */ +} rfalBitRate; + + +/*! RFAL Compliance modes for upper modules */ +typedef enum { + RFAL_COMPLIANCE_MODE_NFC, /*!< Perform with NFC Forum 1.1 compliance */ + RFAL_COMPLIANCE_MODE_EMV, /*!< Perform with EMVCo compliance */ + RFAL_COMPLIANCE_MODE_ISO /*!< Perform with ISO10373 compliance */ +}rfalComplianceMode; + + +/*! RFAL main states flags */ +typedef enum { + RFAL_STATE_IDLE = 0, + RFAL_STATE_INIT = 1, + RFAL_STATE_MODE_SET = 2, + + RFAL_STATE_TXRX = 3, + RFAL_STATE_LM = 4, + RFAL_STATE_WUM = 5 + +} rfalState; + +/*! RFAL transceive states */ +typedef enum { + RFAL_TXRX_STATE_IDLE = 0, + RFAL_TXRX_STATE_INIT = 1, + RFAL_TXRX_STATE_START = 2, + + RFAL_TXRX_STATE_TX_IDLE = 11, + RFAL_TXRX_STATE_TX_WAIT_GT = 12, + RFAL_TXRX_STATE_TX_WAIT_FDT = 13, + RFAL_TXRX_STATE_TX_TRANSMIT = 14, + RFAL_TXRX_STATE_TX_WAIT_WL = 15, + RFAL_TXRX_STATE_TX_RELOAD_FIFO = 16, + RFAL_TXRX_STATE_TX_WAIT_TXE = 17, + RFAL_TXRX_STATE_TX_DONE = 18, + RFAL_TXRX_STATE_TX_FAIL = 19, + + RFAL_TXRX_STATE_RX_IDLE = 81, + RFAL_TXRX_STATE_RX_WAIT_EON = 82, + RFAL_TXRX_STATE_RX_WAIT_RXS = 83, + RFAL_TXRX_STATE_RX_WAIT_RXE = 84, + RFAL_TXRX_STATE_RX_READ_FIFO = 85, + RFAL_TXRX_STATE_RX_ERR_CHECK = 86, + RFAL_TXRX_STATE_RX_READ_DATA = 87, + RFAL_TXRX_STATE_RX_WAIT_EOF = 88, + RFAL_TXRX_STATE_RX_DONE = 89, + RFAL_TXRX_STATE_RX_FAIL = 90, + +} rfalTransceiveState; + + +/*! RFAL transceive flags */ +enum { + RFAL_TXRX_FLAGS_CRC_TX_AUTO = (0<<0), /*!< CRC will be generated automatic upon transmission */ + RFAL_TXRX_FLAGS_CRC_TX_MANUAL = (1<<0), /*!< CRC was calculated manually, included in txBuffer */ + RFAL_TXRX_FLAGS_CRC_RX_KEEP = (1<<1), /*!< Upon Reception keep the CRC in rxBuffer (reflected on rcvd length) */ + RFAL_TXRX_FLAGS_CRC_RX_REMV = (0<<1), /*!< Upon Reception remove the CRC from rxBuffer */ + RFAL_TXRX_FLAGS_NFCIP1_ON = (1<<2), /*!< Enable NFCIP1 mode: Add SB(F0) and LEN bytes during Tx and skip SB(F0) byte during Rx */ + RFAL_TXRX_FLAGS_NFCIP1_OFF = (0<<2), /*!< Disable NFCIP1 mode: do not append protocol bytes while Tx nor skip while Rx */ + RFAL_TXRX_FLAGS_AGC_OFF = (1<<3), /*!< Disable Automatic Gain Control, improving multiple devices collision detection */ + RFAL_TXRX_FLAGS_AGC_ON = (0<<3), /*!< Enable Automatic Gain Control, improving single device reception */ + RFAL_TXRX_FLAGS_PAR_RX_KEEP = (1<<4), /*!< Disable Parity and CRC check and keep the Parity and CRC bits in the received buffer */ + RFAL_TXRX_FLAGS_PAR_RX_REMV = (0<<0), /*!< Enable Parity check and remove the parity bits from the received buffer */ + RFAL_TXRX_FLAGS_PAR_TX_NONE = (1<<5), /*!< Disable automatic Parity generation (ISO14443A) and use the one provided in the buffer*/ + RFAL_TXRX_FLAGS_PAR_TX_AUTO = (0<<5), /*!< Enable automatic Parity generation (ISO14443A) */ + RFAL_TXRX_FLAGS_NFCV_FLAG_MANUAL = (1<<6), /*!< Disable automatic adaption of flag byte (ISO15693) according to current comm params */ + RFAL_TXRX_FLAGS_NFCV_FLAG_AUTO = (0<<6), /*!< Enable automatic adaption of flag byte (ISO115693) according to current comm params */ +}; + + +/*! RFAL error handling */ +typedef enum { + RFAL_ERRORHANDLING_NONE = 0, /*!< No special error handling will be performed */ + RFAL_ERRORHANDLING_NFC = 1, /*!< Error handling set to perform as NFC complaint device */ + RFAL_ERRORHANDLING_EMVCO = 2 /*!< Error handling set to perform as EMVCo complaint device */ +} rfalEHandling; + + +/*! Struct that holds all context to be used on a Transceive */ +typedef struct { + uint8_t* txBuf; /*!< (In) Buffer where outgoing message is located */ + uint16_t txBufLen; /*!< (In) Length of the outgoing message in bits */ + + uint8_t* rxBuf; /*!< (Out) Buffer where incoming message will be placed */ + uint16_t rxBufLen; /*!< (In) Maximum length of the incoming message in bits */ + uint16_t* rxRcvdLen; /*!< (Out) Actual received length in bits */ + + uint32_t flags; /*!< (In) TransceiveFlags indication special handling */ + uint32_t fwt; /*!< (In) Frame Waiting Time in 1/fc */ +} rfalTransceiveContext; + + +/*! System callback to indicate an event that requires a system reRun */ +typedef void (* rfalUpperLayerCallback)(void); + +/*! Callback to be executed before a Transceive */ +typedef void (* rfalPreTxRxCallback)(void); + +/*! Callback to be executed after a Transceive */ +typedef void (* rfalPostTxRxCallback)(void); + + +/*******************************************************************************/ +/* ISO14443A */ +/*******************************************************************************/ + +/*! RFAL ISO 14443A Short Frame Command */ +typedef enum +{ + RFAL_14443A_SHORTFRAME_CMD_WUPA = 0x52, /*!< ISO14443A WUPA / NFC-A ALL_REQ */ + RFAL_14443A_SHORTFRAME_CMD_REQA = 0x26 /*!< ISO14443A REQA / NFC-A SENS_REQ */ +} rfal14443AShortFrameCmd; + +/*******************************************************************************/ + + +/*******************************************************************************/ +/* FeliCa */ +/*******************************************************************************/ + +#define RFAL_FELICA_LEN_LEN 1 /*!< FeliCa LEN byte length */ +#define RFAL_FELICA_POLL_REQ_LEN (RFAL_FELICA_LEN_LEN + 1 + 2 + 1 + 1) /*!< FeliCa Poll Request length (LEN + CMD + SC + RC + TSN) */ +#define RFAL_FELICA_POLL_RES_LEN (RFAL_FELICA_LEN_LEN + 1 + 8 + 8 + 2) /*!< Maximum FeliCa Poll Response length (LEN + CMD + NFCID2 + PAD + RD) */ +#define RFAL_FELICA_POLL_MAX_SLOTS 16 /*!< Maximum number of slots (TSN) on FeliCa Poll */ + + +/*! NFC-F RC (Request Code) codes NFC Forum Digital 1.1 Table 42 */ +enum +{ + RFAL_FELICA_POLL_RC_NO_REQUEST = 0x00, /*!< RC: No System Code information requested */ + RFAL_FELICA_POLL_RC_SYSTEM_CODE = 0x01, /*!< RC: System Code information requested */ + RFAL_FELICA_POLL_RC_COM_PERFORMANCE = 0x02 /*!< RC: Advanced protocol features supported */ +}; + + +/*! NFC-F TSN (Time Slot Number) codes NFC Forum Digital 1.1 Table 43 */ +typedef enum +{ + RFAL_FELICA_1_SLOT = 0, /*!< TSN with number of Time Slots: 1 */ + RFAL_FELICA_2_SLOTS = 1, /*!< TSN with number of Time Slots: 2 */ + RFAL_FELICA_4_SLOTS = 3, /*!< TSN with number of Time Slots: 4 */ + RFAL_FELICA_8_SLOTS = 7, /*!< TSN with number of Time Slots: 8 */ + RFAL_FELICA_16_SLOTS = 15 /*!< TSN with number of Time Slots: 16 */ +} rfalFeliCaPollSlots; + + +/*! NFCF Poll Response NFC Forum Digital 1.1 Table 44 */ +typedef uint8_t rfalFeliCaPollRes[RFAL_FELICA_POLL_RES_LEN]; + + +/*******************************************************************************/ + + +/*******************************************************************************/ +/* Listen Mode */ +/*******************************************************************************/ + +/*! RFAL Listen Mode NFCID Length */ +typedef enum +{ + RFAL_LM_NFCID_LEN_04 = 4, /*!< Listen mode indicates 4 byte NFCID */ + RFAL_LM_NFCID_LEN_07 = 7, /*!< Listen mode indicates 7 byte NFCID */ + RFAL_LM_NFCID_LEN_10 = 10, /*!< Listen mode indicates 10 byte NFCID */ +} rfalLmNfcidLen; + + +/*! RFAL Listen Mode States */ +typedef enum +{ + RFAL_LM_STATE_NOT_INIT = 0x00, /*!< Not Initialized state */ + RFAL_LM_STATE_POWER_OFF = 0x01, /*!< Power Off state */ + RFAL_LM_STATE_IDLE = 0x02, /*!< Idle state Activity 1.1 5.2 */ + RFAL_LM_STATE_READY_A = 0x03, /*!< Ready A state Activity 1.1 5.3 5.4 & 5.5 */ + RFAL_LM_STATE_READY_B = 0x04, /*!< Ready B state Activity 1.1 5.11 5.12 */ + RFAL_LM_STATE_READY_F = 0x05, /*!< Ready F state Activity 1.1 5.15 */ + RFAL_LM_STATE_ACTIVE_A = 0x06, /*!< Active A state Activity 1.1 5.6 */ + RFAL_LM_STATE_CARDEMU_4A = 0x07, /*!< Card Emulation 4A state Activity 1.1 5.10 */ + RFAL_LM_STATE_CARDEMU_4B = 0x08, /*!< Card Emulation 4B state Activity 1.1 5.14 */ + RFAL_LM_STATE_CARDEMU_3 = 0x09, /*!< Card Emulation 3 state Activity 1.1 5.18 */ + RFAL_LM_STATE_TARGET_A = 0x0A, /*!< Target A state Activity 1.1 5.9 */ + RFAL_LM_STATE_TARGET_F = 0x0B, /*!< Target F state Activity 1.1 5.17 */ + RFAL_LM_STATE_SLEEP_A = 0x0C, /*!< Sleep A state Activity 1.1 5.7 */ + RFAL_LM_STATE_SLEEP_B = 0x0D, /*!< Sleep B state Activity 1.1 5.13 */ + RFAL_LM_STATE_READY_Ax = 0x0E, /*!< Ready A* state Activity 1.1 5.3 5.4 & 5.5 */ + RFAL_LM_STATE_ACTIVE_Ax = 0x0F, /*!< Active A* state Activity 1.1 5.6 */ + RFAL_LM_STATE_SLEEP_AF = 0x10, /*!< Sleep AF state Activity 1.1 5.19 */ +} rfalLmState; + + +/*! RFAL Listen Mode Passive A configs */ +typedef struct +{ + rfalLmNfcidLen nfcidLen; /*!< NFCID Len (00: 4bytes ; 01: 7bytes) */ + uint8_t nfcid[RFAL_NFCID3_LEN]; /*!< NFCID */ + uint8_t SENS_RES[RFAL_LM_SENS_RES_LEN]; /*!< NFC-106k; SENS_REQ Response */ + uint8_t SEL_RES; /*!< SEL_RES (SAK) with complete NFCID1 (UID) */ +} rfalLmConfPA; + + +/*! RFAL Listen Mode Passive B configs */ +typedef struct +{ + uint8_t SENSB_RES[RFAL_LM_SENSB_RES_LEN]; /*!< SENSF_RES */ +} rfalLmConfPB; + + +/*! RFAL Listen Mode Passive F configs */ +typedef struct +{ + uint8_t SC[RFAL_LM_SENSF_SC_LEN]; /*!< System Code to listen for */ + uint8_t SENSF_RES[RFAL_LM_SENSF_RES_LEN]; /*!< SENSF_RES */ +} rfalLmConfPF; + +/*******************************************************************************/ + + +/*******************************************************************************/ +/* Wake-Up Mode */ +/*******************************************************************************/ + +/*! RFAL Wake-Up Mode States */ +typedef enum +{ + RFAL_WUM_STATE_NOT_INIT = 0x00, /*!< Not Initialized state */ + RFAL_WUM_STATE_ENABLED = 0x01, /*!< Wake-Up mode is enabled */ + RFAL_WUM_STATE_ENABLED_WOKE = 0x02, /*!< Wake-Up mode enabled and has received IRQ(s)*/ +} rfalWumState; +/*******************************************************************************/ + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + + +/*! + ***************************************************************************** + * \brief RFAL Initialize + * + * Initializes RFAL layer and the ST25R391x + * Ensures that ST25R391x is properly connected and returns error if any problem + * is detected + * + * \warning rfalAnalogConfigInitialize() should be called before so that + * the Analog config table has been previously initialized. + * + * \return ERR_HW_MISMATCH : Expected HW do not match or communication error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Calibrate + * + * Performs necessary calibration of RF chip in case it is indicated by current + * register settings. E.g. antenna calibration and regulator calibration + * + * \return ERR_WRONG_STATE : RFAL not initialized + * \return ERR_NONE : No error + * + ***************************************************************************** + */ +ReturnCode rfalCalibrate( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Adjust Regulators + * + * Adjusts ST25R391x regulators + * + * \param[out] result : the result of the calibrate antenna in mV + * NULL if result not requested + * + * \return ERR_WRONG_STATE : RFAL not initialized + * \return ERR_NONE : No error + * + ***************************************************************************** + */ +ReturnCode rfalAdjustRegulators( uint16_t* result, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Set System Callback + * + * Sets a callback for the driver to call when an event has occurred that + * may require the system to be notified + * + * \param[in] pFunc : method pointer for the upper layer callback + * + ***************************************************************************** + */ +void rfalSetUpperLayerCallback( rfalUpperLayerCallback pFunc ); + + +/*! + ***************************************************************************** + * \brief RFAL Set Pre Tx Callback + * + * Sets a callback for the driver to call before a Transceive + * + * \param[in] pFunc : method pointer for the Pre Tx callback + * + ***************************************************************************** + */ +void rfalSetPreTxRxCallback( rfalPreTxRxCallback pFunc ); + +/*! + ***************************************************************************** + * \brief RFAL Set Post Tx Callback + * + * Sets a callback for the driver to call after a Transceive + * + * \param[in] pFunc : method pointer for the Post Tx callback + * + ***************************************************************************** + */ +void rfalSetPostTxRxCallback( rfalPostTxRxCallback pFunc ); + +/*! + ***************************************************************************** + * \brief RFAL Deinitialize + * + * Deinitializes RFAL layer and the ST25R391x + * + * \return ERR_NONE : No error + * + ***************************************************************************** + */ +ReturnCode rfalDeinitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Set Mode + * + * Sets the mode that RFAL will operate on the following communications. + * Proper initializations will be performed on the ST25R391x + * + * \warning bit rate value RFAL_BR_KEEP is not allowed, only in rfalSetBitRate() + * + * \warning the mode will be applied immediately on the RFchip regardless of + * any ongoing operations like Transceive, ListenMode + * + * \param[in] mode : mode for the RFAL/RFchip to perform + * \param[in] txBR : transmit bit rate + * \param[in] rxBR : receive bit rate + * + * \see rfalIsGTDone + * \see rfalMode + * + * \return ERR_WRONG_STATE : RFAL not initialized + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : No error + * + ***************************************************************************** + */ +ReturnCode rfalSetMode( rfalMode mode, rfalBitRate txBR, rfalBitRate rxBR,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Get Mode + * + * Gets the mode that RFAL is set to operate + * + * \see rfalMode + * + * \return rfalMode : The current RFAL mode + ***************************************************************************** + */ +rfalMode rfalGetMode( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Set Bit Rate + * + * Sets the Tx and Rx bit rates with the given values + * The bit rate change is applied on the RF chip remaining in the same + * mode previous defined with rfalSetMode() + * + * If no mode is defined bit rates will not be applied and an error + * is returned + * + * \param[in] txBR : transmit bit rate + * \param[in] rxBR : receive bit rate + * + * \see rfalSetMode + * \see rfalMode + * \see rfalBitRate + * + * \return ERR_WRONG_STATE : RFAL not initialized + * \return ERR_PARAM : Invalid parameter + * \return ERR_NOT_IMPLEMENTED : Mode not implemented + * \return ERR_NONE : No error + * + ***************************************************************************** + */ +ReturnCode rfalSetBitRate( rfalBitRate txBR, rfalBitRate rxBR, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Get Bit Rate + * + * Gets the Tx and Rx current bit rates + * + * If RFAL is not initialized or mode not set the bit rates return will + * be invalid RFAL_BR_KEEP + * + * \param[out] txBR : RFAL's current Tx Bit Rate + * \param[out] rxBR : RFAL's current Rx Bit Rate + * + * \see rfalSetBitRate + * \see rfalBitRate + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalGetBitRate( rfalBitRate *txBR, rfalBitRate *rxBR ); + + +/*! + ***************************************************************************** + * \brief RFAL Set Modulated RFO + * + * Sets the RFO value to be used in the modulated state + * + * \param[in] rfo : the RFO value to be used + * + * \return ERR_IO : Internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSetModulatedRFO( uint8_t rfo, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Get Modulated RFO + * + * Gets the RFO value used in the modulated state + * + * \return ERR_IO : Internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +uint8_t rfalGetModulatedRFO( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Measure RF Amplitude + * + * Measures the RF Amplitude + * + * \param[out] result : result of RF measurement + * + * \return ERR_IO : Internal error + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalMeasureRF( uint8_t* result, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Set Error Handling Mode + * + * Sets the error handling mode to be used by the RFAL + * + * \param[in] eHandling : the error handling mode + * + ***************************************************************************** + */ +void rfalSetErrorHandling( rfalEHandling eHandling ); + + +/*! + ***************************************************************************** + * \brief Get Error Handling Mode + * + * Gets the error handling mode currently used by the RFAL + * + * \return rfalEHandling : Current error handling mode + ***************************************************************************** + */ +rfalEHandling rfalGetErrorHandling( void ); + + +/*! + ***************************************************************************** + * \brief Set Observation Mode + * + * Sets ST25R391x observation modes for RF debug purposes + * + * \param[in] txMode : the observation mode to be used during transmission + * \param[in] rxMode : the observation mode to be used during reception + * + * \warning The Observation Mode is an advanced feature and should be set + * according to the documentation of the part number in use. + * Please refer to the corresponding Datasheet or Application Note(s) + ***************************************************************************** + */ +void rfalSetObsvMode( uint8_t txMode, uint8_t rxMode ); + + +/*! + ***************************************************************************** + * \brief Get Observation Mode + * + * Gets ST25R391x the current configured observation modes + * + * \param[in] txMode : the current observation mode configured for transmission + * \param[in] rxMode : the current observation mode configured for reception + * + ***************************************************************************** + */ +void rfalGetObsvMode( uint8_t* txMode, uint8_t* rxMode ); + + +/*! + ***************************************************************************** + * \brief Disable Observation Mode + * + * Disables the ST25R391x observation mode + ***************************************************************************** + */ +void rfalDisableObsvMode( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Set FDT Poll + * + * Sets the Frame Delay Time (FDT) to be used on the following + * communications. + * + * FDT Poll is the minimum time following a Poll Frame during + * which no subsequent Poll Frame can be sent (without a response from + * the Listener in between) + * FDTx,PP,MIN - Digital 1.1 6.10.2 & 7.9.2 & 8.7.2 + * + * \param[in] fdt : Frame Delay Time in 1/fc cycles + * + ***************************************************************************** + */ +void rfalSetFDTPoll( uint32_t fdt ); + + +/*! + ***************************************************************************** + * \brief RFAL Set FDT Poll + * + * Gets the current Frame Delay Time (FDT) + * + * FDT Poll is the minimum time following a Poll Frame during + * which no subsequent Poll Frame can be sent (without a response from + * the Listener in between) + * FDTx,PP,MIN - Digital 1.1 6.10.2 & 7.9.2 & 8.7.2 + * + * \return FDT : current FDT value in 1/fc cycles + * + ***************************************************************************** + */ +uint32_t rfalGetFDTPoll( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Set FDT Listen + * + * Sets the Frame Delay Time (FDT) Listen minimum to be used on the + * following communications. + * + * FDT Listen is the minimum time between a Poll Frame and a Listen Frame + * FDTx,LISTEN,MIN - Digital 1.1 6.10.1 & 7.9.1 & 8.7.1 + * + * \param[in] fdt : Frame Delay Time in 1/fc cycles + * + ***************************************************************************** + */ +void rfalSetFDTListen( uint32_t fdt ); + + +/*! + ***************************************************************************** + * \brief RFAL Set FDT Listen + * + * Gets the Frame Delay Time (FDT) Listen minimum + * + * FDT Listen is the minimum time between a Poll Frame and a Listen Frame + * FDTx,LISTEN,MIN - Digital 1.1 6.10.1 & 7.9.1 & 8.7.1 + * + * \return FDT : current FDT value in 1/fc cycles + * + ***************************************************************************** + */ +uint32_t rfalGetFDTListen( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Get GT + * + * Gets the current Guard Time (GT) + * + * GT is the minimum time when a device in Listen Mode is exposed to an + * unmodulated carrier + * + * \return GT : Guard Time in 1/fc cycles + * + ***************************************************************************** + */ +uint32_t rfalGetGT( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Set GT + * + * Sets the Guard Time (GT) to be used on the following communications. + * + * GT is the minimum time when a device in Listen Mode is exposed to an + * unmodulated carrier + * + * \param[in] gt : Guard Time in 1/fc cycles + * RFAL_GT_NONE if no GT should be applied + * + ***************************************************************************** + */ +void rfalSetGT( uint32_t gt ); + + +/*! + ***************************************************************************** + * \brief RFAL Is GT expired + * + * Checks whether the GT timer has expired + * + * \return true : GT has expired or not running + * \return false : GT is still running + * + ***************************************************************************** + */ +bool rfalIsGTExpired( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Turn Field On and Start GT + * + * Turns the Field On, performing Initial Collision Avoidance + * + * After Field On, if GT was set before, it starts the GT timer to be + * used on the following communications. + * + * \return ERR_RF_COLLISION : External field detected + * \return ERR_NONE : Field turned On + * + ***************************************************************************** + */ +ReturnCode rfalFieldOnAndStartGT( SPI *mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief RFAL Turn Field Off + * + * Turns the Field Off + * + * \return ERR_NONE : Field turned Off + ***************************************************************************** + */ +ReturnCode rfalFieldOff( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + + +/***************************************************************************** + * Transceive * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief RFAL Set transceive context + * + * Set the context that will be used for the following Transceive + * Output and input buffers have to be passed and all other details prior to + * the Transceive itself has been started + * + * This method only sets the context, once set rfalWorker has + * to be executed until is done + * + * \param[in] ctx : the context for the following Transceive + * + * \see rfalWorker + * \see rfalGetTransceiveStatus + * + * \return ERR_NONE : Done with no error + * \return ERR_WRONG_STATE : Not initialized properly + ***************************************************************************** + */ +ReturnCode rfalStartTransceive( rfalTransceiveContext *ctx,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Get Transceive State + * + * Gets current Transceive internal State + * + * \return rfalTransceiveState : the current Transceive internal State + ***************************************************************************** + */ +rfalTransceiveState rfalGetTransceiveState( void ); + +/*! + ***************************************************************************** + * \brief Get Transceive Status + * + * Gets current Transceive status + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_BUSY : Transceive ongoing + * \return ERR_XXXX : Error occurred + * \return ERR_TIMEOUT : No response + * \return ERR_FRAMING : Framing error detected + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_LINK_LOSS : Link Loss - External Field is Off + * \return ERR_RF_COLLISION : Collision detected + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalGetTransceiveStatus( void ); + + +/*! + ***************************************************************************** + * \brief RFAL Worker + * + * This runs RFAL layer, which drives the actual Transceive procedure + * It MUST be executed frequently in order to execute the RFAL internal + * states and perform the requested operations + * + ***************************************************************************** + */ +void rfalWorker( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/***************************************************************************** + * ISO1443A * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief Transceives an ISO14443A ShortFrame + * + * Sends REQA to detect if there is any PICC in the field + * + * \param[in] txCmd: Command to be sent: + * 0x52 WUPA / ALL_REQ + * 0x26 REQA / SENS_REQ + * + * \param[in] txCmd : type of short frame to be sent REQA or WUPA + * \param[out] rxBuf : buffer to place the response + * \param[in] rxBufLen : length of rxBuf + * \param[out] rxRcvdLen: received length + * \param[in] fwt : Frame Waiting Time in 1/fc + * + * \warning If fwt is set to RFAL_FWT_NONE it will make endlessly for + * a response, which on a blocking method may not be the + * desired usage + * + * \return ERR_NONE if there is response + * \return ERR_TIMEOUT if there is no response + * \return ERR_COLLISION collision has occurred + * + ***************************************************************************** + */ +ReturnCode rfalISO14443ATransceiveShortFrame( rfal14443AShortFrameCmd txCmd, uint8_t* rxBuf, uint8_t rxBufLen, uint16_t* rxRcvdLen, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Sends an ISO14443A Anticollision Frame + * + * This is use to perform ISO14443A anti-collision. + * \note Anticollision is sent without CRC + * + * + * \param[in] buf : reference to ANTICOLLISION command (with known UID if any) to be sent (also out param) + * reception will be place on this buf after bytesToSend + * \param[in] bytesToSend: reference number of full bytes to be sent (including CMD byte and SEL_PAR) + * if a collision occurs will contain the number of clear bytes + * \param[in] bitsToSend : reference to number of bits (0-7) to be sent; and received (also out param) + * if a collision occurs will indicate the number of clear bits (also out param) + * \param[out] rxLength : reference to the return the received length + * \param[in] fwt : Frame Waiting Time in 1/fc + * + * \return ERR_NONE if there is no error + ***************************************************************************** + */ +ReturnCode rfalISO14443ATransceiveAnticollisionFrame( uint8_t *buf, uint8_t *bytesToSend, uint8_t *bitsToSend, uint16_t *rxLength, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/***************************************************************************** + * FeliCa * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief FeliCa Poll + * + * Sends a Poll Request and collects all Poll Responses according to the + * given slots + * + * + * \param[in] slots : number of slots for the Poll Request + * \param[in] sysCode : system code (SC) for the Poll Request + * \param[in] reqCode : request code (RC) for the Poll Request + * \param[out] pollResList : list of all responses + * \param[in] pollResListSize : number of responses that can be placed in pollResList + * \param[out] devicesDetected : number of cards found + * \param[out] collisionsDetected: number of collisions detected + * + * \return ERR_NONE if there is no error + * \return ERR_TIMEOUT if there is no response + ***************************************************************************** + */ +ReturnCode rfalFeliCaPoll( rfalFeliCaPollSlots slots, uint16_t sysCode, uint8_t reqCode, rfalFeliCaPollRes* pollResList, + uint8_t pollResListSize, uint8_t *devicesDetected, + uint8_t *collisionsDetected, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/***************************************************************************** + * ISO15693 * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief Sends an ISO15693 Anticollision Frame + * + * This send the Anticollision|Inventory frame (INVENTORY_REQ) + * + * \warning rxBuf must be able to contain the payload and CRC + * + * \param[in] txBuf : Buffer where outgoing message is located + * \param[in] txBufLen : Length of the outgoing message in bytes + * \param[out] rxBuf : Buffer where incoming message will be placed + * \param[in] rxBufLen : Maximum length of the incoming message in bytes + * \param[out] actLen : Actual received length in bits + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalISO15693TransceiveAnticollisionFrame( uint8_t *txBuf, uint8_t txBufLen, uint8_t *rxBuf, uint8_t rxBufLen, uint16_t *actLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Sends an ISO15693 Anticollision EOF + * + * This sends the Anticollision|Inventory EOF used as a slot marker + * + * \warning rxBuf must be able to contain the payload and CRC + * + * \param[out] rxBuf : Buffer where incoming message will be placed + * \param[in] rxBufLen : Maximum length of the incoming message in bytes + * \param[out] actLen : Actual received length in bits + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalISO15693TransceiveAnticollisionEOF( uint8_t *rxBuf, uint8_t rxBufLen, uint16_t *actLen, SPI* mspiChannel, + ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Sends an ISO15693 Slot Marker + * + * This is method sends an ISO15693 (EoF) used for a Write operation + * + * \warning rxBuf must be able to contain the payload and CRC + * + * \param[out] rxBuf : Buffer where incoming message will be placed + * \param[in] rxBufLen : Maximum length of the incoming message in bytes + * \param[out] actLen : Actual received length in bytes + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalISO15693TransceiveEOF( uint8_t *rxBuf, uint8_t rxBufLen, uint16_t *actLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ ); + + +/*! + ***************************************************************************** + * \brief Transceive Blocking Tx + * + * This is method triggers a Transceive and executes it blocking until the + * Tx has been completed + * + * \param[in] txBuf : Buffer where outgoing message is located + * \param[in] txBufLen : Length of the outgoing message in bytes + * \param[out] rxBuf : Buffer where incoming message will be placed + * \param[in] rxBufLen : Maximum length of the incoming message in bytes + * \param[out] actLen : Actual received length in bits + * \param[in] flags : TransceiveFlags indication special handling + * \param[in] fwt : Frame Waiting Time in 1/fc + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_BUSY : Transceive ongoing + * \return ERR_XXXX : Error occurred + * \return ERR_LINK_LOSS : Link Loss - External Field is Off + * \return ERR_RF_COLLISION : Collision detected + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalTransceiveBlockingTx( uint8_t* txBuf, uint16_t txBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t* actLen, uint32_t flags, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Transceive Blocking Rx + * + * This is method executes the reception of an ongoing Transceive triggered + * before by rfalTransceiveBlockingTx() + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_BUSY : Transceive ongoing + * \return ERR_XXXX : Error occurred + * \return ERR_TIMEOUT : No response + * \return ERR_FRAMING : Framing error detected + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_LINK_LOSS : Link Loss - External Field is Off + * \return ERR_RF_COLLISION : Collision detected + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalTransceiveBlockingRx( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Transceive Blocking + * + * This is method triggers a Transceive and executes it blocking until it + * has been completed + * + * \param[in] txBuf : Buffer where outgoing message is located + * \param[in] txBufLen : Length of the outgoing message in bytes + * \param[out] rxBuf : Buffer where incoming message will be placed + * \param[in] rxBufLen : Maximum length of the incoming message in bytes + * \param[out] actLen : Actual received length in bytes + * \param[in] flags : TransceiveFlags indication special handling + * \param[in] fwt : Frame Waiting Time in 1/fc + * + * \return ERR_NONE : Transceive done with no error + * \return ERR_BUSY : Transceive ongoing + * \return ERR_XXXX : Error occurred + * \return ERR_TIMEOUT : No response + * \return ERR_FRAMING : Framing error detected + * \return ERR_PAR : Parity error detected + * \return ERR_CRC : CRC error detected + * \return ERR_LINK_LOSS : Link Loss - External Field is Off + * \return ERR_RF_COLLISION : Collision detected + * \return ERR_IO : Internal error + ***************************************************************************** + */ +ReturnCode rfalTransceiveBlockingTxRx( uint8_t* txBuf, uint16_t txBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t* actLen, uint32_t flags, uint32_t fwt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + + +/***************************************************************************** + * Listen Mode * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief Is external Field On + * + * Checks if external field (other peer/device) is on/detected + * + * + * + * \return true External field is On + * \return false No external field is detected + * + ***************************************************************************** + */ +bool rfalIsExtFieldOn( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Listen Mode start + * + * Configures RF Chip to go into listen mode enabling the given technologies + * + * + * \param[in] lmMask: mask with the enabled/disabled listen modes + * use: RFAL_LM_MASK_NFCA ; RFAL_LM_MASK_NFCB ; + * RFAL_LM_MASK_NFCF ; RFAL_LM_MASK_ACTIVE_P2P + * \param[in] confA: pointer to Passive A configurations (NULL if disabled) + * \param[in] confB: pointer to Passive B configurations (NULL if disabled) + * \param[in] confF: pointer to Passive F configurations (NULL if disabled) + * \param[in] rxBuf: buffer to place incoming data + * \param[in] rxBufLen: length in bits of rxBuf + * \param[in] rxLen: pointer to write the data length in bits placed into rxBuf + * + * + * \return ERR_PARAM Invalid parameter + * \return ERR_REQUEST Invalid listen mode mask + * \return ERR_NONE Done with no error + * + ***************************************************************************** + */ +ReturnCode rfalListenStart( uint32_t lmMask, rfalLmConfPA *confA, rfalLmConfPB *confB, rfalLmConfPF *confF, uint8_t *rxBuf, + uint16_t rxBufLen, uint16_t *rxLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Listen Mode start Sleeping + * + * + ***************************************************************************** + */ +ReturnCode rfalListenSleepStart( rfalLmState sleepSt, uint8_t *rxBuf, uint16_t rxBufLen, uint16_t *rxLen ); + + +/*! + ***************************************************************************** + * \brief Listen Mode Stop + * + * Disables the listen mode on the RF Chip + * + * \warning the listen mode will be disabled immediately on the RFchip regardless + * of any ongoing operations like Transceive + * + * \return ERR_NONE Done with no error + * + ***************************************************************************** + */ +ReturnCode rfalListenStop( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Listen Mode get state + * + * Sets the new state of the Listen Mode and applies the necessary changes + * on the RF Chip + * + * \param[out] dataFlag: indicates that Listen Mode has rcvd data and caller + * must process it. The received message is located + * at the rxBuf passed on rfalListenStart() + * rfalListenSetState() will clear this flag + * if NULL output parameter will no be written/returned + * \param[out] lastBR: bit rate detected of the last initiator request + * if NULL output parameter will no be written/returned + * + * \return rfalLmState RFAL_LM_STATE_NOT_INIT : LM not initialized properly + * Any Other : LM State + * + ***************************************************************************** + */ +rfalLmState rfalListenGetState( bool *dataFlag, rfalBitRate *lastBR ); + + +/*! + ***************************************************************************** + * \brief Listen Mode set state + * + * Sets the new state of the Listen Mode and applies the necessary changes + * on the RF Chip + * + * \param[in] newSt : New state to go to + * + * \return ERR_WRONG_STATE : Not initialized properly + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : Done with no error + * + ***************************************************************************** + */ +ReturnCode rfalListenSetState( rfalLmState newSt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/***************************************************************************** + * Wake-Up Mode * + *****************************************************************************/ + +/*! + ***************************************************************************** + * \brief Wake-Up Mode Start + * + * Sets the RF Chip in Low Power Wake-Up Mode according to the given + * configuration. + * + * \param[in] config : Generic Wake-Up configuration provided by lower + * layers. If NULL will automatically configure the + * Wake-Up mode + * + * \return ERR_WRONG_STATE : Not initialized properly + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : Done with no error + * + ***************************************************************************** + */ +ReturnCode rfalWakeUpModeStart( void *config, ST25R3911* mST25, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Wake-Up Has Woke + * + * Returns true if the Wake-Up mode is enabled and it has already received + * the indication from the RF Chip that the surrounding environment has changed + * and flagged at least one wake-Up interrupt + * + * \return true : Wake-Up mode enabled and has received a wake-up IRQ + * \return false : no Wake-Up IRQ has been received + * + ***************************************************************************** + */ +bool rfalWakeUpModeHasWoke( ST25R3911* mST25, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Wake-Up Mode Stop + * + * Stops the Wake-Up Mode + * + * \return ERR_WRONG_STATE : Not initialized properly + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : Done with no error + * + ***************************************************************************** + */ +ReturnCode rfalWakeUpModeStop( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +void rfalSetWumState( void ); + + +#endif /* RFAL_RF_H */ + + +/** + * @} + * + * @} + * + * @} + */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_st25tb.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,516 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_st25tb.c + * + * \author Gustavo Patricio + * + * \brief Implementation of ST25TB interface + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "rfal_st25tb.h" +#include "utils.h" +#include "platform1.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ +#ifndef RFAL_FEATURE_ST25TB + #error " RFAL: Module configuration missing. Please enable/disable ST25TB module by setting: RFAL_FEATURE_ST25TB " +#endif + +#if RFAL_FEATURE_ST25TB + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_ST25TB_CMD_LEN 1 /*!< ST25TB length of a command */ +#define RFAL_ST25TB_SLOTS 16 /*!< ST25TB number of slots */ +#define RFAL_ST25TB_SLOTNUM_MASK 0x0F /*!< ST25TB Slot Number bit mask on SlotMarker */ +#define RFAL_ST25TB_SLOTNUM_SHIFT 4 /*!< ST25TB Slot Number shift on SlotMarker */ + +#define RFAL_ST25TB_INITIATE_CMD1 0x06 /*!< ST25TB Initiate command byte1 */ +#define RFAL_ST25TB_INITIATE_CMD2 0x00 /*!< ST25TB Initiate command byte2 */ +#define RFAL_ST25TB_PCALL_CMD1 0x06 /*!< ST25TB Pcall16 command byte1 */ +#define RFAL_ST25TB_PCALL_CMD2 0x04 /*!< ST25TB Pcall16 command byte2 */ +#define RFAL_ST25TB_SELECT_CMD 0x0E /*!< ST25TB Select command */ +#define RFAL_ST25TB_GET_UID_CMD 0x0B /*!< ST25TB Get UID command */ +#define RFAL_ST25TB_COMPLETION_CMD 0x0F /*!< ST25TB Completion command */ +#define RFAL_ST25TB_RESET_INV_CMD 0x0C /*!< ST25TB Reset to Inventory command */ +#define RFAL_ST25TB_READ_BLOCK_CMD 0x08 /*!< ST25TB Read Block command */ +#define RFAL_ST25TB_WRITE_BLOCK_CMD 0x09 /*!< ST25TB Write Block command */ + + +#define RFAL_ST25TB_T0 2157 /*!< ST25TB t0 159 us ST25TB RF characteristics */ +#define RFAL_ST25TB_T1 2048 /*!< ST25TB t1 151 us ST25TB RF characteristics */ + +#define RFAL_ST25TB_FWT (RFAL_ST25TB_T0 + RFAL_ST25TB_T1) /*!< ST25TB FWT = T0 + T1 */ +#define RFAL_ST25TB_TW rfalConvMsTo1fc(7) /*!< ST25TB TW : Programming time for write max 7ms */ + + +/* + ****************************************************************************** + * GLOBAL MACROS + ****************************************************************************** + */ + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! Initiate Request */ +typedef struct +{ + uint8_t cmd1; /*!< Initiate Request cmd1: 0x06 */ + uint8_t cmd2; /*!< Initiate Request cmd2: 0x00 */ +} rfalSt25tbInitiateReq; + +/*! Pcall16 Request */ +typedef struct +{ + uint8_t cmd1; /*!< Pcal16 Request cmd1: 0x06 */ + uint8_t cmd2; /*!< Pcal16 Request cmd2: 0x04 */ +} rfalSt25tbPcallReq; + + +/*! Select Request */ +typedef struct +{ + uint8_t cmd; /*!< Select Request cmd: 0x0E */ + uint8_t chipId; /*!< Chip ID */ +} rfalSt25tbSelectReq; + +/*! Read Block Request */ +typedef struct +{ + uint8_t cmd; /*!< Select Request cmd: 0x08 */ + uint8_t address; /*!< Block address */ +} rfalSt25tbReadBlockReq; + +/*! Write Block Request */ +typedef struct +{ + uint8_t cmd; /*!< Select Request cmd: 0x09 */ + uint8_t address; /*!< Block address */ + rfalSt25tbBlock data; /*!< Block Data */ +} rfalSt25tbWriteBlockReq; + + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + + +/* +****************************************************************************** +* LOCAL VARIABLES +****************************************************************************** +*/ + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + return rfalNfcbPollerInitialize( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerCheckPresence( uint8_t *chipId, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint8_t chipIdRes; + + chipIdRes = 0x00; + + /* Send Initiate Request */ + ret = rfalSt25tbPollerInitiate( &chipIdRes, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check if a transmission error was detected */ + if( (ret == ERR_CRC) || (ret == ERR_FRAMING) ) + { + return ERR_NONE; + } + + /* Copy chip ID if requested */ + if( chipId != NULL ) + { + *chipId = chipIdRes; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerInitiate( uint8_t *chipId,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + rfalSt25tbInitiateReq initiateReq; + uint8_t rxBuf[RFAL_ST25TB_CHIP_ID_LEN + RFAL_ST25TB_CRC_LEN]; /* In case we receive less data that CRC, RF layer will not remove the CRC from buffer */ + + /* Compute Initiate Request */ + initiateReq.cmd1 = RFAL_ST25TB_INITIATE_CMD1; + initiateReq.cmd2 = RFAL_ST25TB_INITIATE_CMD2; + + /* Send Initiate Request */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&initiateReq, sizeof(rfalSt25tbInitiateReq), (uint8_t*)rxBuf, sizeof(rxBuf), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for valid Select Response */ + if( (ret == ERR_NONE) && (rxLen != RFAL_ST25TB_CHIP_ID_LEN) ) + { + return ERR_PROTO; + } + + /* Copy chip ID if requested */ + if( chipId != NULL ) + { + *chipId = *rxBuf; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerPcall( uint8_t *chipId,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + rfalSt25tbPcallReq pcallReq; + + /* Compute Pcal16 Request */ + pcallReq.cmd1 = RFAL_ST25TB_PCALL_CMD1; + pcallReq.cmd2 = RFAL_ST25TB_PCALL_CMD2; + + /* Send Pcal16 Request */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&pcallReq, sizeof(rfalSt25tbPcallReq), (uint8_t*)chipId, RFAL_ST25TB_CHIP_ID_LEN, &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for valid Select Response */ + if( (ret == ERR_NONE) && (rxLen != RFAL_ST25TB_CHIP_ID_LEN) ) + { + return ERR_PROTO; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerSlotMarker( uint8_t slotNum, uint8_t *chipIdRes,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + uint8_t slotMarker; + + if( (slotNum == 0) || (slotNum > 15) ) + { + return ERR_PARAM; + } + + /* Compute SlotMarker */ + slotMarker = ( ((slotNum & RFAL_ST25TB_SLOTNUM_MASK) << RFAL_ST25TB_SLOTNUM_SHIFT) | RFAL_ST25TB_PCALL_CMD1 ); + + + /* Send SlotMarker */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&slotMarker, RFAL_ST25TB_CMD_LEN, (uint8_t*)chipIdRes, RFAL_ST25TB_CHIP_ID_LEN, &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for valid ChipID Response */ + if( (ret == ERR_NONE) && (rxLen != RFAL_ST25TB_CHIP_ID_LEN) ) + { + return ERR_PROTO; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerSelect( uint8_t chipId,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + rfalSt25tbSelectReq selectReq; + uint8_t chipIdRes; + + /* Compute Select Request */ + selectReq.cmd = RFAL_ST25TB_SELECT_CMD; + selectReq.chipId = chipId; + + /* Send Select Request */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&selectReq, sizeof(rfalSt25tbSelectReq), (uint8_t*)&chipIdRes, RFAL_ST25TB_CHIP_ID_LEN, &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for valid Select Response */ + if( (ret == ERR_NONE) && ((rxLen != RFAL_ST25TB_CHIP_ID_LEN) || (chipIdRes != chipId)) ) + { + return ERR_PROTO; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerGetUID( rfalSt25tbUID *UID,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + uint8_t getUidReq; + + + /* Compute Get UID Request */ + getUidReq = RFAL_ST25TB_GET_UID_CMD; + + /* Send Select Request */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&getUidReq, RFAL_ST25TB_CMD_LEN, (uint8_t*)UID, sizeof(rfalSt25tbUID), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for valid UID Response */ + if( (ret == ERR_NONE) && (rxLen != RFAL_ST25TB_UID_LEN) ) + { + return ERR_PROTO; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerCollisionResolution( uint8_t devLimit, rfalSt25tbListenDevice *st25tbDevList, uint8_t *devCnt,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t i; + uint8_t chipId; + ReturnCode ret; + bool detected; /* collision or device was detected */ + + if( (st25tbDevList == NULL) || (devCnt == NULL) || (devLimit == 0) ) + { + return ERR_PARAM; + } + + *devCnt = 0; + + /* Step 1: Send Initiate */ + ret = rfalSt25tbPollerInitiate( &chipId, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_NONE ) + { + /* If only 1 answer is detected */ + st25tbDevList[*devCnt].chipID = chipId; + st25tbDevList[*devCnt].isDeselected = false; + + /* Retrieve its UID and keep it Selected*/ + ret = rfalSt25tbPollerSelect( chipId, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( ERR_NONE == ret ) + { + ret = rfalSt25tbPollerGetUID( &st25tbDevList[*devCnt].UID, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + if( ERR_NONE == ret ) + { + (*devCnt)++; + } + } + /* Always proceed to Pcall16 anticollision as phase differences of tags can lead to no tag recognized, even if there is one */ + if( *devCnt < devLimit ) + { + /* Multiple device responses */ + do + { + detected = false; + + for(i = 0; i < RFAL_ST25TB_SLOTS; i++) + { + platformDelay(1); /* Wait t2: Answer to new request delay */ + + if( i==0 ) + { + /* Step 2: Send Pcall16 */ + ret = rfalSt25tbPollerPcall( &chipId, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + else + { + /* Step 3-17: Send Pcall16 */ + ret = rfalSt25tbPollerSlotMarker( i, &chipId, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + if( ret == ERR_NONE ) + { + /* Found another device */ + st25tbDevList[*devCnt].chipID = chipId; + st25tbDevList[*devCnt].isDeselected = false; + + /* Select Device, retrieve its UID */ + ret = rfalSt25tbPollerSelect( chipId, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* By Selecting this device, the previous gets Deselected */ + if( (*devCnt) > 0 ) + { + st25tbDevList[(*devCnt)-1].isDeselected = true; + } + + if( ERR_NONE == ret ) + { + rfalSt25tbPollerGetUID( &st25tbDevList[*devCnt].UID, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + } + + if( ERR_NONE == ret ) + { + (*devCnt)++; + } + } + else if( (ret == ERR_CRC) || (ret == ERR_FRAMING) ) + { + detected = true; + } + + if( *devCnt >= devLimit ) + { + break; + } + } + } + while( (detected == true) && (*devCnt < devLimit) ); + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerReadBlock( uint8_t blockAddress, rfalSt25tbBlock *blockData,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + rfalSt25tbReadBlockReq readBlockReq; + + + /* Compute Read Block Request */ + readBlockReq.cmd = RFAL_ST25TB_READ_BLOCK_CMD; + readBlockReq.address = blockAddress; + + /* Send Read Block Request */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&readBlockReq, sizeof(rfalSt25tbReadBlockReq), (uint8_t*)blockData, sizeof(rfalSt25tbBlock), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check for valid UID Response */ + if( (ret == ERR_NONE) && (rxLen != RFAL_ST25TB_BLOCK_LEN) ) + { + return ERR_PROTO; + } + + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerWriteBlock( uint8_t blockAddress, rfalSt25tbBlock *blockData,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + uint16_t rxLen; + rfalSt25tbWriteBlockReq writeBlockReq; + rfalSt25tbBlock tmpBlockData; + + + /* Compute Write Block Request */ + writeBlockReq.cmd = RFAL_ST25TB_WRITE_BLOCK_CMD; + writeBlockReq.address = blockAddress; + ST_MEMCPY( writeBlockReq.data, blockData, RFAL_ST25TB_BLOCK_LEN ); + + /* Send Write Block Request */ + ret = rfalTransceiveBlockingTxRx( (uint8_t*)&writeBlockReq, sizeof(rfalSt25tbWriteBlockReq), tmpBlockData, RFAL_ST25TB_BLOCK_LEN, &rxLen, RFAL_TXRX_FLAGS_DEFAULT, (RFAL_ST25TB_FWT + RFAL_ST25TB_TW), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + /* Check if an unexpected answer was received */ + if( ret == ERR_NONE ) + { + return ERR_PROTO; + } + /* Check there was any error besides Timeout*/ + else if( ret != ERR_TIMEOUT ) + { + return ret; + } + + ret = rfalSt25tbPollerReadBlock(blockAddress, &tmpBlockData, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + if( ret == ERR_NONE ) + { + if( !ST_BYTECMP( tmpBlockData, blockData, RFAL_ST25TB_BLOCK_LEN ) ) + { + return ERR_NONE; + } + return ERR_PROTO; + } + return ret; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerCompletion( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t completionReq; + + /* Compute Completion Request */ + completionReq = RFAL_ST25TB_COMPLETION_CMD; + + /* Send Completion Request, no response is expected */ + return rfalTransceiveBlockingTxRx( (uint8_t*)&completionReq, RFAL_ST25TB_CMD_LEN, NULL, 0, NULL, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalSt25tbPollerResetToInventory( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + uint8_t resetInvReq; + + /* Compute Completion Request */ + resetInvReq = RFAL_ST25TB_RESET_INV_CMD; + + /* Send Completion Request, no response is expected */ + return rfalTransceiveBlockingTxRx( (uint8_t*)&resetInvReq, RFAL_ST25TB_CMD_LEN, NULL, 0, NULL, RFAL_TXRX_FLAGS_DEFAULT, RFAL_ST25TB_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + +#endif /* RFAL_FEATURE_ST25TB */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_st25tb.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,355 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_st25tb.h + * + * \author Gustavo Patricio + * + * \brief Implementation of ST25TB interface + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup ST25TB + * @brief RFAL ST25TB Module + * @{ + * + */ + + +#ifndef RFAL_ST25TB_H +#define RFAL_ST25TB_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" +#include "rfal_nfcb.h" + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_ST25TB_CHIP_ID_LEN 1 /*!< ST25TB chip ID length */ +#define RFAL_ST25TB_CRC_LEN 2 /*!< ST25TB CRC length */ +#define RFAL_ST25TB_UID_LEN 8 /*!< ST25TB Unique ID length */ +#define RFAL_ST25TB_BLOCK_LEN 4 /*!< ST25TB Data Block length */ + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ + + + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ +typedef uint8_t rfalSt25tbUID[RFAL_ST25TB_UID_LEN]; /*!< ST25TB UID type */ +typedef uint8_t rfalSt25tbBlock[RFAL_ST25TB_BLOCK_LEN]; /*!< ST25TB Block type */ + + +/*! ST25TB listener device (PICC) struct */ +typedef struct +{ + uint8_t chipID; /*!< Device's session Chip ID */ + rfalSt25tbUID UID; /*!< Device's UID */ + bool isDeselected; /*!< Device deselect flag */ +}rfalSt25tbListenDevice; + + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Initialize ST25TB Poller mode + * + * This methods configures RFAL RF layer to perform as a + * ST25TB Poller/RW including all default timings + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Check Presence + * + * This method checks if a ST25TB Listen device (PICC) is present on the field + * by sending an Initiate command + * + * \param[out] chipId : if successfully retrieved, the device's chip ID + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_RF_COLLISION : Collision detected one or more device in the field + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerCheckPresence( uint8_t *chipId, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Collision Resolution + * + * This method performs ST25TB Collision resolution, selects the each device, + * retrieves its UID and then deselects. + * In case only one device is identified the ST25TB device is left in select + * state. + * + * \param[in] devLimit : device limit value, and size st25tbDevList + * \param[out] st25tbDevList : ST35TB listener device info + * \param[out] devCnt : Devices found counter + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_RF_COLLISION : Collision detected one or more device in the field + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerCollisionResolution( uint8_t devLimit, rfalSt25tbListenDevice *st25tbDevList, uint8_t *devCnt,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief ST25TB Poller Initiate + * + * This method sends an Initiate command + * + * If a single device responds the chip ID will be retrieved + * + * \param[out] chipId : chip ID of the device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerInitiate( uint8_t *chipId,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Pcall + * + * This method sends a Pcall command + * If successful the device's chip ID will be retrieved + * + * \param[out] chipId : Chip ID of the device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerPcall( uint8_t *chipId ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Slot Marker + * + * This method sends a Slot Marker + * + * If a single device responds the chip ID will be retrieved + * + * \param[in] slotNum : Slot Number + * \param[out] chipIdRes : Chip ID of the device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerSlotMarker( uint8_t slotNum, uint8_t *chipIdRes,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Select + * + * This method sends a ST25TB Select command with the given chip ID. + * + * If the device is already in Selected state and receives an incorrect chip + * ID, it goes into Deselected state + * + * \param[in] chipId : chip ID of the device to be selected + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerSelect( uint8_t chipId,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Get UID + * + * This method sends a Get_UID command + * + * If a single device responds the chip UID will be retrieved + * + * \param[out] UID : UID of the found device + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerGetUID( rfalSt25tbUID *UID,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Read Block + * + * This method reads a block of the ST25TB + * + * \param[in] blockAddress : address of the block to be read + * \param[out] blockData : location to place the data read from block + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerReadBlock( uint8_t blockAddress, rfalSt25tbBlock *blockData,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Write Block + * + * This method writes a block of the ST25TB + * + * \param[in] blockAddress : address of the block to be written + * \param[in] blockData : data to be written on the block + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerWriteBlock( uint8_t blockAddress, rfalSt25tbBlock *blockData,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Completion + * + * This method sends a completion command to the ST25TB. After the + * completion the card no longer will reply to any command. + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected, invalid SENSB_RES received + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerCompletion( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief ST25TB Poller Reset to Inventory + * + * This method sends a Reset to Inventory command to the ST25TB. + * + * \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode + * \return ERR_PARAM : Invalid parameters + * \return ERR_IO : Generic internal error + * \return ERR_TIMEOUT : Timeout error, no listener device detected + * \return ERR_PROTO : Protocol error detected, invalid SENSB_RES received + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalSt25tbPollerResetToInventory( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +#endif /* RFAL_ST25TB_H */ + +/** + * @} + * + * @} + * + * @} + */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_t1t.cpp Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,221 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_t1t.c + * + * \author Gustavo Patricio + * + * \brief Provides NFC-A T1T convenience methods and definitions + * + * This module provides an interface to perform as a NFC-A Reader/Writer + * to handle a Type 1 Tag T1T (Topaz) + * + */ + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "rfal_t1t.h" +#include "utils.h" +#include "platform1.h" + +/* + ****************************************************************************** + * ENABLE SWITCH + ****************************************************************************** + */ + +#ifndef RFAL_FEATURE_T1T + #error " RFAL: Module configuration missing. Please enable/disable T1T module by setting: RFAL_FEATURE_T1T " +#endif + +#if RFAL_FEATURE_T1T + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ + +#define RFAL_T1T_DRD_READ (1236*2)/*!< DRD for Reads with n=9 => 1236/fc ~= 91 us T1T 1.2 4.4.2 */ +#define RFAL_T1T_DRD_WRITE 36052 /*!< DRD for Write with n=281 => 36052/fc ~= 2659 us T1T 1.2 4.4.2 */ +#define RFAL_T1T_DRD_WRITE_E 70996 /*!< DRD for Write/Erase with n=554 => 70996/fc ~= 5236 us T1T 1.2 4.4.2 */ + +#define RFAL_T1T_RID_RES_HR0_VAL 0x10 /*!< HR0 indicating NDEF support Digital 2.0 (Candidate) 11.6.2.1 */ +#define RFAL_T1T_RID_RES_HR0_MASK 0xF0 /*!< HR0 most significant nibble mask */ + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + +/*! NFC-A T1T (Topaz) RID_REQ Digital 1.1 10.6.1 & Table 49 */ +typedef struct +{ + uint8_t cmd; /*!< T1T cmd: RID */ + uint8_t add; /*!< ADD: undefined value */ + uint8_t data; /*!< DATA: undefined value */ + uint8_t uid[RFAL_T1T_UID_LEN]; /*!< UID-echo: undefined value */ +} rfalT1TRidReq; + + +/*! NFC-A T1T (Topaz) RALL_REQ T1T 1.2 Table 4 */ +typedef struct +{ + uint8_t cmd; /*!< T1T cmd: RALL */ + uint8_t add1; /*!< ADD: 0x00 */ + uint8_t add0; /*!< ADD: 0x00 */ + uint8_t uid[RFAL_T1T_UID_LEN]; /*!< UID */ +} rfalT1TRallReq; + + +/*! NFC-A T1T (Topaz) WRITE_REQ T1T 1.2 Table 4 */ +typedef struct +{ + uint8_t cmd; /*!< T1T cmd: RALL */ + uint8_t add; /*!< ADD */ + uint8_t data; /*!< DAT */ + uint8_t uid[RFAL_T1T_UID_LEN]; /*!< UID */ +} rfalT1TWriteReq; + + +/*! NFC-A T1T (Topaz) WRITE_RES T1T 1.2 Table 4 */ +typedef struct +{ + uint8_t add; /*!< ADD */ + uint8_t data; /*!< DAT */ +} rfalT1TWriteRes; + +/* +****************************************************************************** +* LOCAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/* +****************************************************************************** +* GLOBAL FUNCTIONS +****************************************************************************** +*/ + +ReturnCode rfalT1TPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + + EXIT_ON_ERR(ret, rfalSetMode( RFAL_MODE_POLL_NFCA_T1T, RFAL_BR_106, RFAL_BR_106, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC ); + + rfalSetGT( RFAL_GT_NONE ); /* T1T should only be initialized after NFC-A mode, therefore the GT has been fulfilled */ + rfalSetFDTListen( RFAL_FDT_LISTEN_NFCA_POLLER ); /* T1T uses NFC-A FDT Listen with n=9 Digital 1.1 10.7.2 */ + rfalSetFDTPoll( RFAL_FDT_POLL_NFCA_T1T_POLLER ); + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalT1TPollerRid( rfalT1TRidRes *ridRes,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + ReturnCode ret; + rfalT1TRidReq ridReq; + uint16_t rcvdLen; + + if( ridRes == NULL ) + { + return ERR_PARAM; + } + + /* Compute RID command and set Undefined Values to 0x00 Digital 1.1 10.6.1 */ + ST_MEMSET( &ridReq, 0x00, sizeof(rfalT1TRidReq) ); + ridReq.cmd = RFAL_T1T_CMD_RID; + + EXIT_ON_ERR( ret, rfalTransceiveBlockingTxRx( (uint8_t*)&ridReq, sizeof(rfalT1TRidReq), (uint8_t*)ridRes, sizeof(rfalT1TRidRes), &rcvdLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_T1T_DRD_READ, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ); + + /* Check expected RID response length and the HR0 Digital 2.0 (Candidate) 11.6.2.1 */ + if( rcvdLen != sizeof(rfalT1TRidRes) || (ridRes->hr0 & RFAL_T1T_RID_RES_HR0_MASK) != RFAL_T1T_RID_RES_HR0_VAL ) + { + return ERR_PROTO; + } + + return ERR_NONE; +} + + +/*******************************************************************************/ +ReturnCode rfalT1TPollerRall( uint8_t* uid, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rxRcvdLen,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalT1TRallReq rallReq; + + if( (rxBuf == NULL) || (uid == NULL) || (rxRcvdLen == NULL) ) + { + return ERR_PARAM; + } + + /* Compute RALL command and set Add to 0x00 */ + ST_MEMSET( &rallReq, 0x00, sizeof(rfalT1TRallReq) ); + rallReq.cmd = RFAL_T1T_CMD_RALL; + ST_MEMCPY(rallReq.uid, uid, RFAL_T1T_UID_LEN); + + return rfalTransceiveBlockingTxRx( (uint8_t*)&rallReq, sizeof(rfalT1TRallReq), (uint8_t*)rxBuf, rxBufLen, rxRcvdLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_T1T_DRD_READ, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; +} + + +/*******************************************************************************/ +ReturnCode rfalT1TPollerWrite( uint8_t* uid, uint8_t address, uint8_t data,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ) +{ + rfalT1TWriteReq writeReq; + rfalT1TWriteRes writeRes; + uint16_t rxRcvdLen; + ReturnCode err; + + if( uid == NULL ) + { + return ERR_PARAM; + } + + writeReq.cmd = RFAL_T1T_CMD_WRITE_E; + writeReq.add = address; + writeReq.data = data; + ST_MEMCPY(writeReq.uid, uid, RFAL_T1T_UID_LEN); + + err = rfalTransceiveBlockingTxRx( (uint8_t*)&writeReq, sizeof(rfalT1TWriteReq), (uint8_t*)&writeRes, sizeof(rfalT1TWriteRes), &rxRcvdLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_T1T_DRD_WRITE_E, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ; + + if( err == ERR_NONE ) + { + if( (writeReq.add != writeRes.add) || (writeReq.data != writeRes.data) || (rxRcvdLen != sizeof(rfalT1TWriteRes)) ) + { + return ERR_PROTO; + } + } + return err; +} + +#endif /* RFAL_FEATURE_T1T */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rfal_t1t.h Thu Nov 14 14:34:50 2019 +0000 @@ -0,0 +1,187 @@ + +/****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * +******************************************************************************/ + +/* + * PROJECT: ST25R391x firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file rfal_t1t.h + * + * \author Gustavo Patricio + * + * \brief Provides NFC-A T1T convenience methods and definitions + * + * This module provides an interface to perform as a NFC-A Reader/Writer + * to handle a Type 1 Tag T1T (Topaz) + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-AL + * @brief RFAL Abstraction Layer + * @{ + * + * @addtogroup T1T + * @brief RFAL T1T Module + * @{ + * + */ + + +#ifndef RFAL_T1T_H +#define RFAL_T1T_H + +/* + ****************************************************************************** + * INCLUDES + ****************************************************************************** + */ +#include "platform1.h" +#include "st_errno.h" +#include "rfal_rf.h" + +/* + ****************************************************************************** + * GLOBAL DEFINES + ****************************************************************************** + */ +#define RFAL_T1T_UID_LEN 4 /*!< T1T UID length of cascade level 1 only tag */ +#define RFAL_T1T_HR_LENGTH 2 /*!< T1T HR(Header ROM) length */ + +#define RFAL_T1T_HR0_NDEF_MASK 0xF0 /*!< T1T HR0 NDEF capability mask T1T 1.2 2.2.2 */ +#define RFAL_T1T_HR0_NDEF_SUPPORT 0x10 /*!< T1T HR0 NDEF capable value T1T 1.2 2.2.2 */ + + +/*! NFC-A T1T (Topaz) command set */ +typedef enum +{ + RFAL_T1T_CMD_RID = 0x78, /*!< T1T Read UID */ + RFAL_T1T_CMD_RALL = 0x00, /*!< T1T Read All */ + RFAL_T1T_CMD_READ = 0x01, /*!< T1T Read */ + RFAL_T1T_CMD_WRITE_E = 0x53, /*!< T1T Write with erase (single byte) */ + RFAL_T1T_CMD_WRITE_NE = 0x1A /*!< T1T Write with no erase (single byte) */ +} rfalT1Tcmds; + + +/* +****************************************************************************** +* GLOBAL TYPES +****************************************************************************** +*/ + + +/*! NFC-A T1T (Topaz) RID_RES Digital 1.1 10.6.2 & Table 50 */ +typedef struct +{ + uint8_t hr0; /*!< T1T Header ROM: HR0 */ + uint8_t hr1; /*!< T1T Header ROM: HR1 */ + uint8_t uid[RFAL_T1T_UID_LEN]; /*!< T1T UID */ +} rfalT1TRidRes; + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + + +/*! + ***************************************************************************** + * \brief Initialize NFC-A T1T Poller mode + * + * This methods configures RFAL RF layer to perform as a + * NFC-A T1T Poller/RW (Topaz) including all default timings + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalT1TPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A T1T Poller RID + * + * This method reads the UID of a NFC-A T1T Listener device + * + * + * \param[out] ridRes : pointer to place the RID_RES + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalT1TPollerRid( rfalT1TRidRes *ridRes, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A T1T Poller RALL + * + * This method send a Read All command to a NFC-A T1T Listener device + * + * + * \param[in] uid : the UID of the device to read data + * \param[out] rxBuf : pointer to place the read data + * \param[in] rxBufLen : size of rxBuf + * \param[out] rxRcvdLen : actual received data + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalT1TPollerRall( uint8_t* uid, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rxRcvdLen,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief NFC-A T1T Poller Write + * + * This method writes the given data on the address of a NFC-A T1T Listener device + * + * + * \param[in] uid : the UID of the device to read data + * \param[in] address : address to write the data + * \param[in] data : the data to be written + * + * \return ERR_WRONG_STATE : RFAL not initialized or mode not set + * \return ERR_PARAM : Invalid parameter + * \return ERR_NONE : No error + ***************************************************************************** + */ +ReturnCode rfalT1TPollerWrite( uint8_t* uid, uint8_t address, uint8_t data,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +#endif /* RFAL_T1T_H */ + +/** + * @} + * + * @} + * + * @} + */