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Diff: rfal_nfca.h
- Revision:
- 0:75fc82583a41
diff -r 000000000000 -r 75fc82583a41 rfal_nfca.h
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+++ b/rfal_nfca.h Thu Nov 14 14:34:50 2019 +0000
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+
+/******************************************************************************
+ * @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 */
+
+/**
+ * @}
+ *
+ * @}
+ *
+ * @}
+ */