unleashed-firmware/firmware/targets/furi_hal_include/furi_hal_nfc.h

/**
 * @file furi_hal_nfc.h
 * NFC HAL API
 */

#pragma once

#include <st_errno.h>
#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif
#include <rfal_nfc.h>
#include <lib/nfc/protocols/nfca.h>

#define FURI_HAL_NFC_UID_MAX_LEN 10
#define FURI_HAL_NFC_DATA_BUFF_SIZE (512)
#define FURI_HAL_NFC_PARITY_BUFF_SIZE (FURI_HAL_NFC_DATA_BUFF_SIZE / 8)

#define FURI_HAL_NFC_TXRX_DEFAULT                                                    \
    ((uint32_t)RFAL_TXRX_FLAGS_CRC_TX_AUTO | (uint32_t)RFAL_TXRX_FLAGS_CRC_RX_REMV | \
     (uint32_t)RFAL_TXRX_FLAGS_PAR_RX_REMV | (uint32_t)RFAL_TXRX_FLAGS_PAR_TX_AUTO)

#define FURI_HAL_NFC_TX_DEFAULT_RX_NO_CRC                                            \
    ((uint32_t)RFAL_TXRX_FLAGS_CRC_TX_AUTO | (uint32_t)RFAL_TXRX_FLAGS_CRC_RX_KEEP | \
     (uint32_t)RFAL_TXRX_FLAGS_PAR_RX_REMV | (uint32_t)RFAL_TXRX_FLAGS_PAR_TX_AUTO)

#define FURI_HAL_NFC_TXRX_WITH_PAR                                                     \
    ((uint32_t)RFAL_TXRX_FLAGS_CRC_TX_MANUAL | (uint32_t)RFAL_TXRX_FLAGS_CRC_RX_KEEP | \
     (uint32_t)RFAL_TXRX_FLAGS_PAR_RX_KEEP | (uint32_t)RFAL_TXRX_FLAGS_PAR_TX_AUTO)

#define FURI_HAL_NFC_TXRX_RAW                                                          \
    ((uint32_t)RFAL_TXRX_FLAGS_CRC_TX_MANUAL | (uint32_t)RFAL_TXRX_FLAGS_CRC_RX_KEEP | \
     (uint32_t)RFAL_TXRX_FLAGS_PAR_RX_KEEP | (uint32_t)RFAL_TXRX_FLAGS_PAR_TX_NONE)

#define FURI_HAL_NFC_TX_RAW_RX_DEFAULT                                                 \
    ((uint32_t)RFAL_TXRX_FLAGS_CRC_TX_MANUAL | (uint32_t)RFAL_TXRX_FLAGS_CRC_RX_REMV | \
     (uint32_t)RFAL_TXRX_FLAGS_PAR_RX_REMV | (uint32_t)RFAL_TXRX_FLAGS_PAR_TX_NONE)

typedef enum {
    FuriHalNfcTxRxTypeDefault,
    FuriHalNfcTxRxTypeRxNoCrc,
    FuriHalNfcTxRxTypeRxKeepPar,
    FuriHalNfcTxRxTypeRaw,
    FuriHalNfcTxRxTypeRxRaw,
    FuriHalNfcTxRxTransparent,
} FuriHalNfcTxRxType;

typedef bool (*FuriHalNfcEmulateCallback)(
    uint8_t* buff_rx,
    uint16_t buff_rx_len,
    uint8_t* buff_tx,
    uint16_t* buff_tx_len,
    uint32_t* flags,
    void* context);

typedef enum {
    FuriHalNfcTypeA,
    FuriHalNfcTypeB,
    FuriHalNfcTypeF,
    FuriHalNfcTypeV,
} FuriHalNfcType;

typedef enum {
    FuriHalNfcInterfaceRf,
    FuriHalNfcInterfaceIsoDep,
    FuriHalNfcInterfaceNfcDep,
} FuriHalNfcInterface;

typedef struct {
    FuriHalNfcType type;
    FuriHalNfcInterface interface;
    uint8_t uid_len;
    uint8_t uid[10];
    uint32_t cuid;
    uint8_t atqa[2];
    uint8_t sak;
} FuriHalNfcDevData;

typedef void (
    *FuriHalNfcTxRxSniffCallback)(uint8_t* data, uint16_t bits, bool crc_dropped, void* context);

typedef struct {
    uint8_t tx_data[FURI_HAL_NFC_DATA_BUFF_SIZE];
    uint8_t tx_parity[FURI_HAL_NFC_PARITY_BUFF_SIZE];
    uint16_t tx_bits;
    uint8_t rx_data[FURI_HAL_NFC_DATA_BUFF_SIZE];
    uint8_t rx_parity[FURI_HAL_NFC_PARITY_BUFF_SIZE];
    uint16_t rx_bits;
    FuriHalNfcTxRxType tx_rx_type;
    NfcaSignal* nfca_signal;

    FuriHalNfcTxRxSniffCallback sniff_tx;
    FuriHalNfcTxRxSniffCallback sniff_rx;
    void* sniff_context;
} FuriHalNfcTxRxContext;

/** Init nfc
 */
void furi_hal_nfc_init();

/** Check if nfc worker is busy
 *
 * @return     true if busy
 */
bool furi_hal_nfc_is_busy();

/** NFC field on
 */
void furi_hal_nfc_field_on();

/** NFC field off
 */
void furi_hal_nfc_field_off();

/** NFC start sleep
 */
void furi_hal_nfc_start_sleep();

void furi_hal_nfc_stop_cmd();

/** NFC stop sleep
 */
void furi_hal_nfc_exit_sleep();

/** NFC poll
 *
 * @param      dev_list    pointer to rfalNfcDevice buffer
 * @param      dev_cnt     pointer device count
 * @param      timeout     timeout in ms
 * @param      deactivate  deactivate flag
 *
 * @return     true on success
 */
bool furi_hal_nfc_detect(FuriHalNfcDevData* nfc_data, uint32_t timeout);

/** Activate NFC-A tag
 *
 * @param      timeout      timeout in ms
 * @param      cuid         pointer to 32bit uid
 *
 * @return     true on succeess
 */
bool furi_hal_nfc_activate_nfca(uint32_t timeout, uint32_t* cuid);

/** NFC listen
 *
 * @param      uid                 pointer to uid buffer
 * @param      uid_len             uid length
 * @param      atqa                pointer to atqa
 * @param      sak                 sak
 * @param      activate_after_sak  activate after sak flag
 * @param      timeout             timeout in ms
 *
 * @return     true on success
 */
bool furi_hal_nfc_listen(
    uint8_t* uid,
    uint8_t uid_len,
    uint8_t* atqa,
    uint8_t sak,
    bool activate_after_sak,
    uint32_t timeout);

/** Start Target Listen mode
 * @note RFAL free implementation
 *
 * @param       nfc_data            FuriHalNfcDevData instance
 */
void furi_hal_nfc_listen_start(FuriHalNfcDevData* nfc_data);

/** Read data in Target Listen mode
 * @note Must be called only after furi_hal_nfc_listen_start()
 *
 * @param       tx_rx               FuriHalNfcTxRxContext instance
 * @param       timeout_ms          timeout im ms
 *
 * @return      true on not empty receive
 */
bool furi_hal_nfc_listen_rx(FuriHalNfcTxRxContext* tx_rx, uint32_t timeout_ms);

/** Set Target in Sleep state */
void furi_hal_nfc_listen_sleep();

/** Emulate NFC-A Target
 * @note RFAL based implementation
 *
 * @param       uid                 NFC-A UID
 * @param       uid_len             NFC-A UID length
 * @param       atqa                NFC-A ATQA
 * @param       sak                 NFC-A SAK
 * @param       callback            FuriHalNfcEmulateCallback instance
 * @param       context             pointer to context for callback
 * @param       timeout             timeout in ms
 *
 * @return      true on success
 */
bool furi_hal_nfc_emulate_nfca(
    uint8_t* uid,
    uint8_t uid_len,
    uint8_t* atqa,
    uint8_t sak,
    FuriHalNfcEmulateCallback callback,
    void* context,
    uint32_t timeout);

/** NFC data exchange
 *
 * @param       tx_rx_ctx   FuriHalNfcTxRxContext instance
 *
 * @return      true on success
 */
bool furi_hal_nfc_tx_rx(FuriHalNfcTxRxContext* tx_rx, uint16_t timeout_ms);

/** NFC data full exhange
 *
 * @param       tx_rx_ctx   FuriHalNfcTxRxContext instance
 *
 * @return      true on success
 */
bool furi_hal_nfc_tx_rx_full(FuriHalNfcTxRxContext* tx_rx);

/** NFC deactivate and start sleep
 */
void furi_hal_nfc_sleep();

void furi_hal_nfc_stop();


/* Low level transport API, use it to implement your own transport layers */

#define furi_hal_nfc_ll_ms2fc rfalConvMsTo1fc

#define FURI_HAL_NFC_LL_TXRX_FLAGS_CRC_TX_MANUAL RFAL_TXRX_FLAGS_CRC_TX_MANUAL
#define FURI_HAL_NFC_LL_TXRX_FLAGS_AGC_ON RFAL_TXRX_FLAGS_AGC_ON
#define FURI_HAL_NFC_LL_TXRX_FLAGS_PAR_RX_REMV RFAL_TXRX_FLAGS_PAR_RX_REMV
#define FURI_HAL_NFC_LL_TXRX_FLAGS_CRC_RX_KEEP RFAL_TXRX_FLAGS_CRC_RX_KEEP

typedef enum {
    FuriHalNfcReturnOk = 0, /*!< no error occurred */
    FuriHalNfcReturnNomem = 1, /*!< not enough memory to perform the requested operation */
    FuriHalNfcReturnBusy = 2, /*!< device or resource busy */
    FuriHalNfcReturnIo = 3, /*!< generic IO error */
    FuriHalNfcReturnTimeout = 4, /*!< error due to timeout */
    FuriHalNfcReturnRequest = 5, /*!< invalid request or requested function can't be executed at the moment */
    FuriHalNfcReturnNomsg = 6, /*!< No message of desired type */
    FuriHalNfcReturnParam = 7, /*!< Parameter error */
    FuriHalNfcReturnSystem = 8, /*!< System error */
    FuriHalNfcReturnFraming = 9, /*!< Framing error */
    FuriHalNfcReturnOverrun = 10, /*!< lost one or more received bytes */
    FuriHalNfcReturnProto = 11, /*!< protocol error */
    FuriHalNfcReturnInternal = 12, /*!< Internal Error */
    FuriHalNfcReturnAgain = 13, /*!< Call again */
    FuriHalNfcReturnMemCorrupt = 14, /*!< memory corruption */
    FuriHalNfcReturnNotImplemented = 15, /*!< not implemented */
    FuriHalNfcReturnPcCorrupt = 16, /*!< Program Counter has been manipulated or spike/noise trigger illegal operation */
    FuriHalNfcReturnSend = 17, /*!< error sending*/
    FuriHalNfcReturnIgnore = 18, /*!< indicates error detected but to be ignored */
    FuriHalNfcReturnSemantic = 19, /*!< indicates error in state machine (unexpected cmd) */
    FuriHalNfcReturnSyntax = 20, /*!< indicates error in state machine (unknown cmd) */
    FuriHalNfcReturnCrc = 21, /*!< crc error */
    FuriHalNfcReturnNotfound = 22, /*!< transponder not found */
    FuriHalNfcReturnNotunique = 23, /*!< transponder not unique - more than one transponder in field */
    FuriHalNfcReturnNotsupp = 24, /*!< requested operation not supported */
    FuriHalNfcReturnWrite = 25, /*!< write error */
    FuriHalNfcReturnFifo = 26, /*!< fifo over or underflow error */
    FuriHalNfcReturnPar = 27, /*!< parity error */
    FuriHalNfcReturnDone = 28, /*!< transfer has already finished */
    FuriHalNfcReturnRfCollision = 29, /*!< collision error (Bit Collision or during RF Collision avoidance ) */
    FuriHalNfcReturnHwOverrun = 30, /*!< lost one or more received bytes */
    FuriHalNfcReturnReleaseReq = 31, /*!< device requested release */
    FuriHalNfcReturnSleepReq = 32, /*!< device requested sleep */
    FuriHalNfcReturnWrongState = 33, /*!< incorrent state for requested operation */
    FuriHalNfcReturnMaxReruns = 34, /*!< blocking procedure reached maximum runs */
    FuriHalNfcReturnDisabled = 35, /*!< operation aborted due to disabled configuration */
    FuriHalNfcReturnHwMismatch = 36, /*!< expected hw do not match  */
    FuriHalNfcReturnLinkLoss = 37, /*!< Other device's field didn't behave as expected: turned off by Initiator in Passive mode, or AP2P did not turn on field */
    FuriHalNfcReturnInvalidHandle = 38, /*!< invalid or not initalized device handle */
    FuriHalNfcReturnIncompleteByte = 40, /*!< Incomplete byte rcvd         */
    FuriHalNfcReturnIncompleteByte01 = 41, /*!< Incomplete byte rcvd - 1 bit */
    FuriHalNfcReturnIncompleteByte02 = 42, /*!< Incomplete byte rcvd - 2 bit */
    FuriHalNfcReturnIncompleteByte03 = 43, /*!< Incomplete byte rcvd - 3 bit */
    FuriHalNfcReturnIncompleteByte04 = 44, /*!< Incomplete byte rcvd - 4 bit */
    FuriHalNfcReturnIncompleteByte05 = 45, /*!< Incomplete byte rcvd - 5 bit */
    FuriHalNfcReturnIncompleteByte06 = 46, /*!< Incomplete byte rcvd - 6 bit */
    FuriHalNfcReturnIncompleteByte07 = 47, /*!< Incomplete byte rcvd - 7 bit */
} FuriHalNfcReturn;

typedef enum {
    FuriHalNfcModeNone = 0,             /*!< No mode selected/defined */
    FuriHalNfcModePollNfca = 1,         /*!< Mode to perform as NFCA (ISO14443A) Poller (PCD) */
    FuriHalNfcModePollNfcaT1t = 2,      /*!< Mode to perform as NFCA T1T (Topaz) Poller (PCD) */
    FuriHalNfcModePollNfcb = 3,         /*!< Mode to perform as NFCB (ISO14443B) Poller (PCD) */
    FuriHalNfcModePollBPrime = 4,       /*!< Mode to perform as B' Calypso (Innovatron) (PCD) */
    FuriHalNfcModePollBCts = 5,         /*!< Mode to perform as CTS Poller (PCD) */
    FuriHalNfcModePollNfcf = 6,         /*!< Mode to perform as NFCF (FeliCa) Poller (PCD) */
    FuriHalNfcModePollNfcv = 7,         /*!< Mode to perform as NFCV (ISO15963) Poller (PCD) */
    FuriHalNfcModePollPicopass = 8,     /*!< Mode to perform as PicoPass / iClass Poller (PCD) */
    FuriHalNfcModePollActiveP2p = 9,    /*!< Mode to perform as Active P2P (ISO18092) Initiator  */
    FuriHalNfcModeListenNfca = 10,      /*!< Mode to perform as NFCA (ISO14443A) Listener (PICC) */
    FuriHalNfcModeListenNfcb = 11,      /*!< Mode to perform as NFCA (ISO14443B) Listener (PICC) */
    FuriHalNfcModeListenNfcf = 12,      /*!< Mode to perform as NFCA (ISO15963) Listener (PICC) */
    FuriHalNfcModeListenActiveP2p = 13  /*!< Mode to perform as Active P2P (ISO18092) Target  */
} FuriHalNfcMode;

typedef enum {
    FuriHalNfcBitrate106 = 0,       /*!< Bit Rate 106 kbit/s (fc/128) */
    FuriHalNfcBitrate212 = 1,       /*!< Bit Rate 212 kbit/s (fc/64) */
    FuriHalNfcBitrate424 = 2,       /*!< Bit Rate 424 kbit/s (fc/32) */
    FuriHalNfcBitrate848 = 3,       /*!< Bit Rate 848 kbit/s (fc/16) */
    FuriHalNfcBitrate1695 = 4,      /*!< Bit Rate 1695 kbit/s (fc/8) */
    FuriHalNfcBitrate3390 = 5,      /*!< Bit Rate 3390 kbit/s (fc/4) */
    FuriHalNfcBitrate6780 = 6,      /*!< Bit Rate 6780 kbit/s (fc/2) */
    FuriHalNfcBitrate13560 = 7,     /*!< Bit Rate 13560 kbit/s (fc) */
    FuriHalNfcBitrate52p97 = 0xEB,  /*!< Bit Rate 52.97 kbit/s (fc/256) Fast Mode VICC->VCD */
    FuriHalNfcBitrate26p48 = 0xEC,  /*!< Bit Rate 26,48 kbit/s (fc/512) NFCV VICC->VCD & VCD->VICC 1of4 */
    FuriHalNfcBitrate1p66 = 0xED,   /*!< Bit Rate 1,66 kbit/s (fc/8192) NFCV VCD->VICC 1of256 */
    FuriHalNfcBitrateKeep = 0xFF    /*!< Value indicating to keep the same previous bit rate */
} FuriHalNfcBitrate;

FuriHalNfcReturn furi_hal_nfc_ll_set_mode(FuriHalNfcMode mode, FuriHalNfcBitrate txBR, FuriHalNfcBitrate rxBR);

#define FURI_HAL_NFC_LL_GT_NFCA furi_hal_nfc_ll_ms2fc(5U) /*!< GTA  Digital 2.0  6.10.4.1 & B.2 */
#define FURI_HAL_NFC_LL_GT_NFCB furi_hal_nfc_ll_ms2fc(5U) /*!< GTB  Digital 2.0  7.9.4.1  & B.3 */
#define FURI_HAL_NFC_LL_GT_NFCF furi_hal_nfc_ll_ms2fc(20U) /*!< GTF  Digital 2.0  8.7.4.1  & B.4 */
#define FURI_HAL_NFC_LL_GT_NFCV furi_hal_nfc_ll_ms2fc(5U) /*!< GTV  Digital 2.0  9.7.5.1  & B.5 */
#define FURI_HAL_NFC_LL_GT_PICOPASS furi_hal_nfc_ll_ms2fc(1U) /*!< GT Picopass */
#define FURI_HAL_NFC_LL_GT_AP2P furi_hal_nfc_ll_ms2fc(5U) /*!< TIRFG  Ecma 340  11.1.1 */
#define FURI_HAL_NFC_LL_GT_AP2P_ADJUSTED furi_hal_nfc_ll_ms2fc(5U + 25U) /*!< Adjusted GT for greater interoperability (Sony XPERIA P, Nokia N9, Huawei P2) */

void furi_hal_nfc_ll_set_guard_time(uint32_t cycles);

typedef enum {
    FuriHalNfcErrorHandlingNone = 0,    /*!< No special error handling will be performed */
    FuriHalNfcErrorHandlingNfc = 1,     /*!< Error handling set to perform as NFC compliant device */
    FuriHalNfcErrorHandlingEmvco = 2    /*!< Error handling set to perform as EMVCo compliant device */
} FuriHalNfcErrorHandling;

void furi_hal_nfc_ll_set_error_handling(FuriHalNfcErrorHandling eHandling);

/* RFAL Frame Delay Time (FDT) Listen default values   */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCA_POLLER 1172U /*!< 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 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCB_POLLER 1008U /*!< TR0B,MIN         Digital 1.1  7.1.3 & A.3  ; EMV CCP Spec Book D v2.01  4.8.1.3 & Table A.5 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCF_POLLER 2672U /*!< TR0F,LISTEN,MIN  Digital 1.1  8.7.1.1 & A.4 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCV_POLLER 4310U /*!< FDTV,LISTEN,MIN  t1 min       Digital 2.1  B.5  ;  ISO15693-3 2009  9.1 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_PICOPASS_POLLER 3400U /*!< ISO15693 t1 min - observed adjustment */
#define FURI_HAL_NFC_LL_FDT_LISTEN_AP2P_POLLER 64U /*!< FDT AP2P No actual FDTListen is required as fields switch and collision avoidance */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCA_LISTENER 1172U /*!< FDTA,LISTEN,MIN  Digital 1.1  6.10 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCB_LISTENER 1024U /*!< TR0B,MIN         Digital 1.1  7.1.3 & A.3  ;  EMV CCP Spec Book D v2.01  4.8.1.3 & Table A.5 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_NFCF_LISTENER 2688U /*!< TR0F,LISTEN,MIN  Digital 2.1  8.7.1.1 & B.4 */
#define FURI_HAL_NFC_LL_FDT_LISTEN_AP2P_LISTENER 64U /*!< FDT AP2P No actual FDTListen exists as fields switch and collision avoidance */

void furi_hal_nfc_ll_set_fdt_listen(uint32_t cycles);

/*  RFAL Frame Delay Time (FDT) Poll default values    */
#define FURI_HAL_NFC_LL_FDT_POLL_NFCA_POLLER 6780U /*!< FDTA,POLL,MIN   Digital 1.1  6.10.3.1 & A.2 */
#define FURI_HAL_NFC_LL_FDT_POLL_NFCA_T1T_POLLER 384U /*!< RRDDT1T,MIN,B1  Digital 1.1  10.7.1 & A.5 */
#define FURI_HAL_NFC_LL_FDT_POLL_NFCB_POLLER 6780U /*!< FDTB,POLL,MIN = TR2B,MIN,DEFAULT Digital 1.1 7.9.3 & A.3  ;  EMVCo 3.0 FDTB,PCD,MIN  Table A.5 */
#define FURI_HAL_NFC_LL_FDT_POLL_NFCF_POLLER 6800U /*!< FDTF,POLL,MIN   Digital 2.1  8.7.3 & B.4 */
#define FURI_HAL_NFC_LL_FDT_POLL_NFCV_POLLER 4192U /*!< FDTV,POLL  Digital 2.1  9.7.3.1  & B.5 */
#define FURI_HAL_NFC_LL_FDT_POLL_PICOPASS_POLLER 1790U /*!< FDT Max */
#define FURI_HAL_NFC_LL_FDT_POLL_AP2P_POLLER 0U /*!< FDT AP2P No actual FDTPoll exists as fields switch and collision avoidance */

void furi_hal_nfc_ll_set_fdt_poll(uint32_t FDTPoll);

void furi_hal_nfc_ll_txrx_on();

void furi_hal_nfc_ll_txrx_off();

FuriHalNfcReturn furi_hal_nfc_ll_txrx(
    uint8_t* txBuf,
    uint16_t txBufLen,
    uint8_t* rxBuf,
    uint16_t rxBufLen,
    uint16_t* actLen,
    uint32_t flags,
    uint32_t fwt);

void furi_hal_nfc_ll_poll();

#ifdef __cplusplus
}
#endif