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[FL-2470, FL-2385, FL-2411] NFC fixes (#1138)

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* mifare classic: increase data exchange timeout
* nfc: exit from app if can't parse file
* furi_hal_nfc: allow to switch context during detect

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich 2022-04-20 17:08:36 +03:00 committed by GitHub
parent d530d164b9
commit cea118cf2d
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 13 additions and 8 deletions
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13
applications/nfc/nfc.c
View File

@ -169,11 +169,16 @@ int32_t nfc_app(void* p) {
char* args = p;
// Check argument and run corresponding scene
if((*args != '\0') && nfc_device_load(nfc->dev, p)) {
if(nfc->dev->format == NfcDeviceSaveFormatMifareUl) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateMifareUl);
if((*args != '\0')) {
if(nfc_device_load(nfc->dev, p)) {
if(nfc->dev->format == NfcDeviceSaveFormatMifareUl) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateMifareUl);
} else {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateUid);
}
} else {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateUid);
// Exit app
view_dispatcher_stop(nfc->view_dispatcher);
}
} else {
scene_manager_next_scene(nfc->scene_manager, NfcSceneStart);

2
firmware/targets/f7/furi_hal/furi_hal_nfc.c
View File

@ -96,7 +96,7 @@ bool furi_hal_nfc_detect(FuriHalNfcDevData* nfc_data, uint32_t timeout) {
FURI_LOG_T(TAG, "Timeout");
break;
}
osThreadYield();
osDelay(1);
}
rfalNfcGetDevicesFound(&dev_list, &dev_cnt);
if(detected) {

6
lib/nfc_protocols/mifare_classic.c
View File

@ -118,7 +118,7 @@ static bool mf_classic_auth(
tx_rx->tx_data[1] = block;
tx_rx->tx_rx_type = FuriHalNfcTxRxTypeRxNoCrc;
tx_rx->tx_bits = 2 * 8;
if(!furi_hal_nfc_tx_rx(tx_rx, 4)) break;
if(!furi_hal_nfc_tx_rx(tx_rx, 5)) break;
uint32_t nt = (uint32_t)nfc_util_bytes2num(tx_rx->rx_data, 4);
crypto1_init(crypto, key);
@ -140,7 +140,7 @@ static bool mf_classic_auth(
}
tx_rx->tx_rx_type = FuriHalNfcTxRxTypeRaw;
tx_rx->tx_bits = 8 * 8;
if(!furi_hal_nfc_tx_rx(tx_rx, 4)) break;
if(!furi_hal_nfc_tx_rx(tx_rx, 5)) break;
if(tx_rx->rx_bits == 32) {
crypto1_word(crypto, 0, 0);
auth_success = true;
@ -220,7 +220,7 @@ bool mf_classic_read_block(
tx_rx->tx_bits = 4 * 9;
tx_rx->tx_rx_type = FuriHalNfcTxRxTypeRaw;
if(furi_hal_nfc_tx_rx(tx_rx, 4)) {
if(furi_hal_nfc_tx_rx(tx_rx, 5)) {
if(tx_rx->rx_bits == 8 * 18) {
for(uint8_t i = 0; i < 18; i++) {
block->value[i] = crypto1_byte(crypto, 0, 0) ^ tx_rx->rx_data[i];