Naming and coding style convention, new linter tool. (#945)
* Makefile, Scripts: new linter * About: remove ID from IC * Firmware: remove double define for DIVC/DIVR * Scripts: check folder names too. Docker: replace syntax check with make lint. * Reformat Sources and Migrate to new file naming convention * Docker: symlink clang-format-12 to clang-format * Add coding style guide
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#include "furi_hal_nfc.h"
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#include <st25r3916.h>
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#define TAG "FuriHalNfc"
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static const uint32_t clocks_in_ms = 64 * 1000;
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void furi_hal_nfc_init() {
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ReturnCode ret = rfalNfcInitialize();
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if(ret == ERR_NONE) {
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furi_hal_nfc_start_sleep();
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FURI_LOG_I(TAG, "Init OK");
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} else {
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FURI_LOG_W(TAG, "Initialization failed, RFAL returned: %d", ret);
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}
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}
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bool furi_hal_nfc_is_busy() {
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return rfalNfcGetState() != RFAL_NFC_STATE_IDLE;
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}
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void furi_hal_nfc_field_on() {
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furi_hal_nfc_exit_sleep();
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st25r3916TxRxOn();
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}
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void furi_hal_nfc_field_off() {
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st25r3916TxRxOff();
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furi_hal_nfc_start_sleep();
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}
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void furi_hal_nfc_start_sleep() {
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rfalLowPowerModeStart();
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}
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void furi_hal_nfc_exit_sleep() {
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rfalLowPowerModeStop();
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}
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bool furi_hal_nfc_detect(
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rfalNfcDevice** dev_list,
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uint8_t* dev_cnt,
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uint32_t timeout,
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bool deactivate) {
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furi_assert(dev_list);
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furi_assert(dev_cnt);
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rfalLowPowerModeStop();
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rfalNfcState state = rfalNfcGetState();
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if(state == RFAL_NFC_STATE_NOTINIT) {
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rfalNfcInitialize();
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}
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rfalNfcDiscoverParam params;
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params.compMode = RFAL_COMPLIANCE_MODE_EMV;
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params.techs2Find = RFAL_NFC_POLL_TECH_A | RFAL_NFC_POLL_TECH_B | RFAL_NFC_POLL_TECH_F |
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RFAL_NFC_POLL_TECH_V | RFAL_NFC_POLL_TECH_AP2P | RFAL_NFC_POLL_TECH_ST25TB;
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params.totalDuration = 1000;
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params.devLimit = 3;
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params.wakeupEnabled = false;
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params.wakeupConfigDefault = true;
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params.nfcfBR = RFAL_BR_212;
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params.ap2pBR = RFAL_BR_424;
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params.maxBR = RFAL_BR_KEEP;
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params.GBLen = RFAL_NFCDEP_GB_MAX_LEN;
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params.notifyCb = NULL;
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uint32_t start = DWT->CYCCNT;
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rfalNfcDiscover(¶ms);
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while(state != RFAL_NFC_STATE_ACTIVATED) {
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rfalNfcWorker();
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state = rfalNfcGetState();
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FURI_LOG_T(TAG, "Current state %d", state);
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if(state == RFAL_NFC_STATE_POLL_ACTIVATION) {
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start = DWT->CYCCNT;
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continue;
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}
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if(state == RFAL_NFC_STATE_POLL_SELECT) {
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rfalNfcSelect(0);
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}
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if(DWT->CYCCNT - start > timeout * clocks_in_ms) {
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rfalNfcDeactivate(true);
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FURI_LOG_T(TAG, "Timeout");
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return false;
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}
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osThreadYield();
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}
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rfalNfcGetDevicesFound(dev_list, dev_cnt);
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if(deactivate) {
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rfalNfcDeactivate(false);
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rfalLowPowerModeStart();
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}
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return true;
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}
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bool furi_hal_nfc_listen(
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uint8_t* uid,
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uint8_t uid_len,
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uint8_t* atqa,
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uint8_t sak,
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bool activate_after_sak,
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uint32_t timeout) {
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rfalNfcState state = rfalNfcGetState();
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if(state == RFAL_NFC_STATE_NOTINIT) {
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rfalNfcInitialize();
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} else if(state >= RFAL_NFC_STATE_ACTIVATED) {
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rfalNfcDeactivate(false);
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}
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rfalLowPowerModeStop();
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rfalNfcDiscoverParam params = {
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.compMode = RFAL_COMPLIANCE_MODE_NFC,
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.techs2Find = RFAL_NFC_LISTEN_TECH_A,
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.totalDuration = 1000,
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.devLimit = 1,
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.wakeupEnabled = false,
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.wakeupConfigDefault = true,
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.nfcfBR = RFAL_BR_212,
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.ap2pBR = RFAL_BR_424,
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.maxBR = RFAL_BR_KEEP,
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.GBLen = RFAL_NFCDEP_GB_MAX_LEN,
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.notifyCb = NULL,
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.activate_after_sak = activate_after_sak,
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};
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params.lmConfigPA.nfcidLen = uid_len;
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memcpy(params.lmConfigPA.nfcid, uid, uid_len);
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params.lmConfigPA.SENS_RES[0] = atqa[0];
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params.lmConfigPA.SENS_RES[1] = atqa[1];
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params.lmConfigPA.SEL_RES = sak;
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rfalNfcDiscover(¶ms);
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uint32_t start = DWT->CYCCNT;
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while(state != RFAL_NFC_STATE_ACTIVATED) {
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rfalNfcWorker();
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state = rfalNfcGetState();
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if(DWT->CYCCNT - start > timeout * clocks_in_ms) {
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rfalNfcDeactivate(true);
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return false;
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}
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osThreadYield();
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}
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return true;
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}
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bool furi_hal_nfc_get_first_frame(uint8_t** rx_buff, uint16_t** rx_len) {
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ReturnCode ret =
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rfalNfcDataExchangeStart(NULL, 0, rx_buff, rx_len, 0, RFAL_TXRX_FLAGS_DEFAULT);
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return ret == ERR_NONE;
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}
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ReturnCode furi_hal_nfc_data_exchange(
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uint8_t* tx_buff,
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uint16_t tx_len,
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uint8_t** rx_buff,
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uint16_t** rx_len,
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bool deactivate) {
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furi_assert(rx_buff);
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furi_assert(rx_len);
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ReturnCode ret;
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rfalNfcState state = RFAL_NFC_STATE_ACTIVATED;
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ret = rfalNfcDataExchangeStart(tx_buff, tx_len, rx_buff, rx_len, 0, RFAL_TXRX_FLAGS_DEFAULT);
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if(ret != ERR_NONE) {
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return ret;
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}
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uint32_t start = DWT->CYCCNT;
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while(state != RFAL_NFC_STATE_DATAEXCHANGE_DONE) {
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rfalNfcWorker();
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state = rfalNfcGetState();
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ret = rfalNfcDataExchangeGetStatus();
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if(ret > ERR_SLEEP_REQ) {
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return ret;
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}
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if(ret == ERR_BUSY) {
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if(DWT->CYCCNT - start > 1000 * clocks_in_ms) {
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return ERR_TIMEOUT;
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}
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continue;
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} else {
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start = DWT->CYCCNT;
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}
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taskYIELD();
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}
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if(deactivate) {
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rfalNfcDeactivate(false);
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rfalLowPowerModeStart();
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}
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return ERR_NONE;
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}
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ReturnCode furi_hal_nfc_raw_bitstream_exchange(
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uint8_t* tx_buff,
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uint16_t tx_bit_len,
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uint8_t** rx_buff,
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uint16_t** rx_bit_len,
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bool deactivate) {
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furi_assert(rx_buff);
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furi_assert(rx_bit_len);
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ReturnCode ret;
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rfalNfcState state = RFAL_NFC_STATE_ACTIVATED;
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ret =
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rfalNfcDataExchangeStart(tx_buff, tx_bit_len, rx_buff, rx_bit_len, 0, RFAL_TXRX_FLAGS_RAW);
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if(ret != ERR_NONE) {
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return ret;
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}
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uint32_t start = DWT->CYCCNT;
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while(state != RFAL_NFC_STATE_DATAEXCHANGE_DONE) {
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rfalNfcWorker();
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state = rfalNfcGetState();
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ret = rfalNfcDataExchangeGetStatus();
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if(ret > ERR_SLEEP_REQ) {
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return ret;
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}
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if(ret == ERR_BUSY) {
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if(DWT->CYCCNT - start > 1000 * clocks_in_ms) {
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return ERR_TIMEOUT;
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}
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continue;
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} else {
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start = DWT->CYCCNT;
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}
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taskYIELD();
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}
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if(deactivate) {
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rfalNfcDeactivate(false);
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rfalLowPowerModeStart();
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}
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return ERR_NONE;
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}
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void furi_hal_nfc_deactivate() {
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rfalNfcDeactivate(false);
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rfalLowPowerModeStart();
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}
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