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[FL-1424] NFC emulate CLI command (#514)

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* nfc: move cli commands to separate file
* nfc: add nfc_emulate CLI command
* nfc: rework nfc emulate call from gui
* nfc: deactivate nfc state machine when exiting worker

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich 2021-06-10 15:01:48 +03:00 committed by GitHub
parent 4ad5245969
commit 3a2121bbb8
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 87 additions and 138 deletions
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38
applications/nfc/nfc.c
View File

@ -159,44 +159,6 @@ void nfc_free(Nfc* nfc) {
free(nfc);
}
void nfc_cli_detect(Cli* cli, string_t args, void* context) {
// Check if nfc worker is not busy
if(api_hal_nfc_is_busy()) {
printf("Nfc is busy");
return;
}
rfalNfcDevice* dev_list;
uint8_t dev_cnt = 0;
bool cmd_exit = false;
api_hal_nfc_init();
printf("Detecting nfc...\r\nPress Ctrl+C to abort\r\n");
while(!cmd_exit) {
cmd_exit |= cli_cmd_interrupt_received(cli);
cmd_exit |= api_hal_nfc_detect(&dev_list, &dev_cnt, 100, true);
if(dev_cnt > 0) {
printf("Found %d devices\r\n", dev_cnt);
for(uint8_t i = 0; i < dev_cnt; i++) {
printf("%d found: %s ", i, nfc_get_dev_type(dev_list[i].type));
if(dev_list[i].type == RFAL_NFC_LISTEN_TYPE_NFCA) {
printf("type: %s, ", nfc_get_nfca_type(dev_list[i].dev.nfca.type));
}
printf("UID length: %d, UID:", dev_list[i].nfcidLen);
for(uint8_t j = 0; j < dev_list[i].nfcidLen; j++) {
printf("%02X", dev_list[i].nfcid[j]);
}
printf("\r\n");
}
}
osDelay(50);
}
}
void nfc_cli_init() {
Cli* cli = furi_record_open("cli");
cli_add_command(cli, "nfc_detect", nfc_cli_detect, NULL);
furi_record_close("cli");
}
void nfc_start(Nfc* nfc, NfcView view_id, NfcWorkerState worker_state) {
NfcWorkerState state = nfc_worker_get_state(nfc->worker);
if(state == NfcWorkerStateBroken) {

67
applications/nfc/nfc_cli.c Executable file
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@ -0,0 +1,67 @@
#include "nfc_cli.h"
#include "nfc_types.h"
#include <furi.h>
#include <api-hal.h>
void nfc_cli_init() {
Cli* cli = furi_record_open("cli");
cli_add_command(cli, "nfc_detect", nfc_cli_detect, NULL);
cli_add_command(cli, "nfc_emulate", nfc_cli_emulate, NULL);
furi_record_close("cli");
}
void nfc_cli_detect(Cli* cli, string_t args, void* context) {
// Check if nfc worker is not busy
if(api_hal_nfc_is_busy()) {
printf("Nfc is busy");
return;
}
rfalNfcDevice* dev_list;
uint8_t dev_cnt = 0;
bool cmd_exit = false;
api_hal_nfc_init();
api_hal_nfc_exit_sleep();
printf("Detecting nfc...\r\nPress Ctrl+C to abort\r\n");
while(!cmd_exit) {
cmd_exit |= cli_cmd_interrupt_received(cli);
cmd_exit |= api_hal_nfc_detect(&dev_list, &dev_cnt, 100, true);
if(dev_cnt > 0) {
printf("Found %d devices\r\n", dev_cnt);
for(uint8_t i = 0; i < dev_cnt; i++) {
printf("%d found: %s ", i + 1, nfc_get_dev_type(dev_list[i].type));
if(dev_list[i].type == RFAL_NFC_LISTEN_TYPE_NFCA) {
printf("type: %s, ", nfc_get_nfca_type(dev_list[i].dev.nfca.type));
}
printf("UID length: %d, UID:", dev_list[i].nfcidLen);
for(uint8_t j = 0; j < dev_list[i].nfcidLen; j++) {
printf("%02X", dev_list[i].nfcid[j]);
}
printf("\r\n");
}
}
osDelay(50);
}
api_hal_nfc_deactivate();
}
void nfc_cli_emulate(Cli* cli, string_t args, void* context) {
// Check if nfc worker is not busy
if(api_hal_nfc_is_busy()) {
printf("Nfc is busy");
return;
}
api_hal_nfc_init();
api_hal_nfc_exit_sleep();
printf("Emulating NFC-A Type: T2T UID: CF72D440 SAK: 20 ATQA: 00/04\r\n");
printf("Press Ctrl+C to abort\r\n");
while(!cli_cmd_interrupt_received(cli)) {
if(api_hal_nfc_listen(100)) {
printf("Reader detected\r\n");
api_hal_nfc_deactivate();
}
osDelay(50);
}
api_hal_nfc_deactivate();
}

9
applications/nfc/nfc_cli.h Normal file
View File

@ -0,0 +1,9 @@
#pragma once
#include <cli/cli.h>
void nfc_cli_init();
void nfc_cli_detect(Cli* cli, string_t args, void* context);
void nfc_cli_emulate(Cli* cli, string_t args, void* context);

6
applications/nfc/nfc_views.c
View File

@ -145,9 +145,9 @@ void nfc_view_emulate_draw(Canvas* canvas, void* model) {
canvas_draw_str(canvas, 0, 12, "Emulating NFC-A");
canvas_set_font(canvas, FontSecondary);
canvas_draw_str(canvas, 2, 22, "Type: T2T");
canvas_draw_str(canvas, 2, 32, "UID length: 7");
canvas_draw_str(canvas, 2, 42, "UID: 00010203040506");
canvas_draw_str(canvas, 2, 52, "SAK: 00 ATQA: 44/00");
canvas_draw_str(canvas, 2, 32, "UID length: 4");
canvas_draw_str(canvas, 2, 42, "UID: CF72D440");
canvas_draw_str(canvas, 2, 52, "SAK: 20 ATQA: 00/04");
}
void nfc_view_field_draw(Canvas* canvas, void* model) {

101
applications/nfc/nfc_worker.c
View File

@ -59,6 +59,7 @@ void nfc_worker_task(void* context) {
NfcWorker* nfc_worker = context;
api_hal_power_insomnia_enter();
api_hal_nfc_exit_sleep();
if(nfc_worker->state == NfcWorkerStatePoll) {
nfc_worker_poll(nfc_worker);
@ -71,6 +72,7 @@ void nfc_worker_task(void* context) {
} else if(nfc_worker->state == NfcWorkerStateField) {
nfc_worker_field(nfc_worker);
}
api_hal_nfc_deactivate();
nfc_worker_change_state(nfc_worker, NfcWorkerStateReady);
api_hal_power_insomnia_exit();
osThreadExit();
@ -209,7 +211,6 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
}
osDelay(20);
}
api_hal_nfc_deactivate();
}
void nfc_worker_emulate_emv(NfcWorker* nfc_worker) {
@ -305,104 +306,14 @@ void nfc_worker_poll(NfcWorker* nfc_worker) {
}
}
void nfc_worker_state_callback(rfalNfcState st) {
(void)st;
}
ReturnCode nfc_worker_trx(
uint8_t* txBuf,
uint16_t txBufSize,
uint8_t** rxData,
uint16_t** rcvLen,
uint32_t fwt) {
ReturnCode err;
err = rfalNfcDataExchangeStart(txBuf, txBufSize, rxData, rcvLen, fwt);
if(err == ERR_NONE) {
do {
rfalNfcWorker();
err = rfalNfcDataExchangeGetStatus();
} while(err == ERR_BUSY);
}
return err;
}
void nfc_worker_exchange(NfcWorker* nfc_worker, rfalNfcDevice* nfc_device) {
ReturnCode err = ERR_NONE;
uint8_t* rxData;
uint16_t* rcvLen;
uint8_t txBuf[100];
uint16_t txLen;
do {
rfalNfcWorker();
switch(rfalNfcGetState()) {
case RFAL_NFC_STATE_ACTIVATED:
err = nfc_worker_trx(NULL, 0, &rxData, &rcvLen, 0);
break;
case RFAL_NFC_STATE_DATAEXCHANGE:
case RFAL_NFC_STATE_DATAEXCHANGE_DONE:
// Not supported
txBuf[0] = ((char)0x68);
txBuf[1] = ((char)0x00);
txLen = 2;
err = nfc_worker_trx(txBuf, txLen, &rxData, &rcvLen, RFAL_FWT_NONE);
break;
case RFAL_NFC_STATE_START_DISCOVERY:
return;
case RFAL_NFC_STATE_LISTEN_SLEEP:
default:
break;
}
} while((err == ERR_NONE) || (err == ERR_SLEEP_REQ));
}
void nfc_worker_emulate(NfcWorker* nfc_worker) {
rfalNfcDiscoverParam params;
params.compMode = RFAL_COMPLIANCE_MODE_NFC;
params.techs2Find = RFAL_NFC_LISTEN_TECH_A;
params.totalDuration = 1000U;
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 = nfc_worker_state_callback;
params.lmConfigPA.nfcidLen = RFAL_LM_NFCID_LEN_07;
params.lmConfigPA.nfcid[0] = 0x00;
params.lmConfigPA.nfcid[1] = 0x01;
params.lmConfigPA.nfcid[2] = 0x02;
params.lmConfigPA.nfcid[3] = 0x03;
params.lmConfigPA.nfcid[4] = 0x04;
params.lmConfigPA.nfcid[5] = 0x05;
params.lmConfigPA.nfcid[6] = 0x06;
params.lmConfigPA.SENS_RES[0] = 0x44;
params.lmConfigPA.SENS_RES[1] = 0x00;
params.lmConfigPA.SEL_RES = 0x00;
api_hal_nfc_exit_sleep();
ReturnCode ret;
ret = rfalNfcDiscover(&params);
if(ret != ERR_NONE) {
asm("bkpt 1");
return;
}
rfalNfcDevice* nfc_device;
while(nfc_worker->state == NfcWorkerStateEmulate) {
rfalNfcWorker();
if(rfalNfcIsDevActivated(rfalNfcGetState())) {
rfalNfcGetActiveDevice(&nfc_device);
nfc_worker_exchange(nfc_worker, nfc_device);
if(api_hal_nfc_listen(100)) {
FURI_LOG_I(NFC_WORKER_TAG, "Reader detected");
api_hal_nfc_deactivate();
}
osDelay(10);
osDelay(5);
}
rfalNfcDeactivate(false);
api_hal_nfc_start_sleep();
}
void nfc_worker_field(NfcWorker* nfc_worker) {

2
firmware/targets/f5/api-hal/api-hal-nfc.c
View File

@ -89,7 +89,6 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
bool api_hal_nfc_listen(uint32_t timeout) {
api_hal_nfc_exit_sleep();
rfalLowPowerModeStop();
rfalNfcState state = rfalNfcGetState();
if(state == RFAL_NFC_STATE_NOTINIT) {
@ -130,6 +129,7 @@ bool api_hal_nfc_listen(uint32_t timeout) {
return false;
}
if(state == RFAL_NFC_STATE_LISTEN_ACTIVATION) {
start = DWT->CYCCNT;
continue;
}
taskYIELD();

2
firmware/targets/f6/api-hal/api-hal-nfc.c
View File

@ -89,7 +89,6 @@ bool api_hal_nfc_detect(rfalNfcDevice **dev_list, uint8_t* dev_cnt, uint32_t cyc
bool api_hal_nfc_listen(uint32_t timeout) {
api_hal_nfc_exit_sleep();
rfalLowPowerModeStop();
rfalNfcState state = rfalNfcGetState();
if(state == RFAL_NFC_STATE_NOTINIT) {
@ -130,6 +129,7 @@ bool api_hal_nfc_listen(uint32_t timeout) {
return false;
}
if(state == RFAL_NFC_STATE_LISTEN_ACTIVATION) {
start = DWT->CYCCNT;
continue;
}
taskYIELD();