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Diff: rfal_nfcb.h
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- 0:75fc82583a41
--- /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 */ + +/** + * @} + * + * @} + * + * @} + */