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[FL-1039] Emv emulation (#491)

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* nfc: add emulate emv to submenu
* api-hal-nfc: add emv emulation
This commit is contained in:
gornekich
2021-05-26 02:54:44 +03:00
committed by GitHub
parent d92bb18cca
commit e620b310b7
12 changed files with 282 additions and 48 deletions
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86
firmware/targets/f5/api-hal/api-hal-nfc.c
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@@ -2,6 +2,7 @@
#include <st25r3916.h>
static bool dev_is_found = false;
const uint32_t clocks_in_ms = 64 * 1000;
ReturnCode api_hal_nfc_init() {
// Check if Nfc worker was started
@@ -72,7 +73,7 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
FURI_LOG_D("HAL NFC", "Found %d devices", dev_cnt);
break;
}
osDelay(5);
osDelay(10);
}
if(deactivate) {
rfalNfcDeactivate(false);
@@ -86,35 +87,86 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
return true;
}
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) {
furi_assert(dev);
furi_assert(tx_buff);
bool api_hal_nfc_listen(uint32_t timeout) {
api_hal_nfc_exit_sleep();
rfalLowPowerModeStop();
rfalNfcState state = rfalNfcGetState();
if(state == RFAL_NFC_STATE_NOTINIT) {
rfalNfcInitialize();
} else if(state >= RFAL_NFC_STATE_ACTIVATED) {
rfalNfcDeactivate(false);
}
rfalNfcDiscoverParam params;
params.compMode = RFAL_COMPLIANCE_MODE_EMV;
params.techs2Find = RFAL_NFC_LISTEN_TECH_A;
params.totalDuration = 1000;
params.devLimit = 1;
params.wakeupEnabled = false;
params.wakeupConfigDefault = true;
params.nfcfBR = RFAL_BR_212;
params.ap2pBR = RFAL_BR_424;
params.maxBR = RFAL_BR_KEEP;
params.GBLen = RFAL_NFCDEP_GB_MAX_LEN;
params.notifyCb = NULL;
params.lmConfigPA.nfcidLen = RFAL_LM_NFCID_LEN_04;
params.lmConfigPA.nfcid[0] = 0XCF;
params.lmConfigPA.nfcid[1] = 0x72;
params.lmConfigPA.nfcid[2] = 0xD4;
params.lmConfigPA.nfcid[3] = 0x40;
params.lmConfigPA.SENS_RES[0] = 0x04;
params.lmConfigPA.SENS_RES[1] = 0x00;
params.lmConfigPA.SEL_RES = 0x20;
uint32_t start = DWT->CYCCNT;
rfalNfcDiscover(&params);
while(state != RFAL_NFC_STATE_ACTIVATED) {
rfalNfcWorker();
state = rfalNfcGetState();
FURI_LOG_D("HAL NFC", "Current state %d", state);
if(DWT->CYCCNT - start > timeout * clocks_in_ms) {
rfalNfcDeactivate(true);
return false;
}
if(state == RFAL_NFC_STATE_LISTEN_ACTIVATION) {
continue;
}
taskYIELD();
}
return true;
}
ReturnCode api_hal_nfc_data_exchange(uint8_t* tx_buff, uint16_t tx_len, uint8_t** rx_buff, uint16_t** rx_len, bool deactivate) {
furi_assert(rx_buff);
furi_assert(rx_len);
ReturnCode ret;
rfalNfcDevice* active_dev;
rfalNfcState state = RFAL_NFC_STATE_ACTIVATED;
ret = rfalNfcGetActiveDevice(&active_dev);
if(ret != ERR_NONE) {
return ret;
}
if (active_dev != dev) {
return ERR_NOTFOUND;
}
ret = rfalNfcDataExchangeStart(tx_buff, tx_len, rx_buff, rx_len, 0);
if(ret != ERR_NONE) {
return ret;
}
FURI_LOG_D("HAL NFC", "Start data exchange");
uint32_t start = DWT->CYCCNT;
while(state != RFAL_NFC_STATE_DATAEXCHANGE_DONE) {
rfalNfcWorker();
state = rfalNfcGetState();
FURI_LOG_D("HAL NFC", "Data exchange status: %d", rfalNfcDataExchangeGetStatus());
osDelay(10);
ret = rfalNfcDataExchangeGetStatus();
FURI_LOG_D("HAL NFC", "Nfc st: %d Data st: %d", state, ret);
if(ret > ERR_SLEEP_REQ) {
return ret;
}
if(ret == ERR_BUSY) {
if(DWT->CYCCNT - start > 1000 * clocks_in_ms) {
return ERR_TIMEOUT;
}
continue;
} else {
start = DWT->CYCCNT;
}
taskYIELD();
}
FURI_LOG_D("HAL NFC", "Data exchange complete");
if(deactivate) {
rfalNfcDeactivate(false);
rfalLowPowerModeStart();