725981f431
* nfc: add emv decoder * api-hal-nfc: add data exchange api * nfc_worker: add read emv routine * nfc: add emv reader view * nfc: add support for Mastercard reading * api-hal-nfc: fix incorrect merge changes * nfc_worker: set to zero emv app object on each cycle * api-hal-nfc: add api for f6 target * nfc: move emv_decoder to lib folder Co-authored-by: あく <alleteam@gmail.com>
129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
#include "api-hal-nfc.h"
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#include <st25r3916.h>
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static bool dev_is_found = false;
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ReturnCode api_hal_nfc_init() {
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// Check if Nfc worker was started
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if(rfalNfcGetState() > RFAL_NFC_STATE_NOTINIT) {
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return ERR_NONE;
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}
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return rfalNfcInitialize();
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}
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bool api_hal_nfc_is_busy() {
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return rfalNfcGetState() > RFAL_NFC_STATE_IDLE;
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}
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void api_hal_nfc_field_on() {
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api_hal_nfc_exit_sleep();
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st25r3916TxRxOn();
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}
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void api_hal_nfc_field_off() {
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st25r3916TxRxOff();
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api_hal_nfc_start_sleep();
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}
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void api_hal_nfc_start_sleep() {
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rfalLowPowerModeStart();
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}
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void api_hal_nfc_exit_sleep() {
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rfalLowPowerModeStop();
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}
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static void api_hal_nfc_change_state_cb(rfalNfcState st) {
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FURI_LOG_D("HAL NFC", "NFC worker state: %d", st);
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if(st >= RFAL_NFC_STATE_POLL_SELECT) {
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dev_is_found = true;
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}
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}
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bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cycles, 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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if(rfalNfcGetState() == 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 = api_hal_nfc_change_state_cb;
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dev_is_found = false;
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rfalNfcDiscover(¶ms);
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while(--cycles) {
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rfalNfcWorker();
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FURI_LOG_D("HAL NFC", "Current state %d", rfalNfcGetState());
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if(dev_is_found) {
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rfalNfcGetDevicesFound(dev_list, dev_cnt);
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FURI_LOG_D("HAL NFC", "Found %d devices", dev_cnt);
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break;
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}
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osDelay(5);
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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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if(!cycles) {
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FURI_LOG_D("HAL NFC", "Timeout");
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return false;
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}
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return true;
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}
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ReturnCode api_hal_nfc_data_exchange(rfalNfcDevice* dev, uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate) {
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furi_assert(dev);
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furi_assert(tx_buff);
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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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rfalNfcDevice* active_dev;
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rfalNfcState state = RFAL_NFC_STATE_ACTIVATED;
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ret = rfalNfcGetActiveDevice(&active_dev);
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if(ret != ERR_NONE) {
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return ret;
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}
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if (active_dev != dev) {
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return ERR_NOTFOUND;
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}
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ret = rfalNfcDataExchangeStart(tx_buff, tx_len, rx_buff, rx_len, 0);
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if(ret != ERR_NONE) {
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return ret;
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}
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FURI_LOG_D("HAL NFC", "Start data exchange");
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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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FURI_LOG_D("HAL NFC", "Data exchange status: %d", rfalNfcDataExchangeGetStatus());
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osDelay(10);
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}
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FURI_LOG_D("HAL NFC", "Data exchange complete");
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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 api_hal_nfc_deactivate() {
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rfalNfcDeactivate(false);
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rfalLowPowerModeStart();
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}
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