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NFC refactoring (#3050)

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"A long time ago in a galaxy far, far away...." we started NFC subsystem refactoring.

Starring:

- @gornekich - NFC refactoring project lead, architect, senior developer
- @gsurkov - architect, senior developer
- @RebornedBrain - senior developer

Supporting roles:

- @skotopes, @DrZlo13, @hedger - general architecture advisors, code review
- @Astrrra, @doomwastaken, @Hellitron, @ImagineVagon333 - quality assurance

Special thanks:

@bettse, @pcunning, @nxv, @noproto, @AloneLiberty and everyone else who has been helping us all this time and contributing valuable knowledges, ideas and source code.
This commit is contained in:
gornekich
2023-10-24 07:08:09 +04:00
committed by GitHub
parent 35c903494c
commit d92b0a82cc
514 changed files with 41488 additions and 68125 deletions
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159
applications/main/nfc/nfc_cli.c
View File

@@ -4,90 +4,30 @@
#include <lib/toolbox/args.h>
#include <lib/toolbox/hex.h>
#include <lib/nfc/nfc_types.h>
#include <lib/nfc/nfc_device.h>
#include <furi_hal_nfc.h>
#define FLAG_EVENT (1 << 10)
static void nfc_cli_print_usage() {
printf("Usage:\r\n");
printf("nfc <cmd>\r\n");
printf("Cmd list:\r\n");
printf("\tdetect\t - detect nfc device\r\n");
printf("\temulate\t - emulate predefined nfca card\r\n");
printf("\tapdu\t - Send APDU and print response \r\n");
if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
printf("\tfield\t - turn field on\r\n");
}
}
static void nfc_cli_detect(Cli* cli, FuriString* args) {
UNUSED(args);
// Check if nfc worker is not busy
if(furi_hal_nfc_is_busy()) {
printf("Nfc is busy\r\n");
return;
}
FuriHalNfcDevData dev_data = {};
bool cmd_exit = false;
furi_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);
if(furi_hal_nfc_detect(&dev_data, 400)) {
printf("Found: %s ", nfc_get_dev_type(dev_data.type));
printf("UID length: %d, UID:", dev_data.uid_len);
for(size_t i = 0; i < dev_data.uid_len; i++) {
printf("%02X", dev_data.uid[i]);
}
printf("\r\n");
break;
}
furi_hal_nfc_sleep();
furi_delay_ms(50);
}
furi_hal_nfc_sleep();
}
static void nfc_cli_emulate(Cli* cli, FuriString* args) {
UNUSED(args);
// Check if nfc worker is not busy
if(furi_hal_nfc_is_busy()) {
printf("Nfc is busy\r\n");
return;
}
furi_hal_nfc_exit_sleep();
printf("Emulating NFC-A Type: T2T UID: 36 9C E7 B1 0A C1 34 SAK: 00 ATQA: 00/44\r\n");
printf("Press Ctrl+C to abort\r\n");
FuriHalNfcDevData params = {
.uid = {0x36, 0x9C, 0xe7, 0xb1, 0x0A, 0xC1, 0x34},
.uid_len = 7,
.atqa = {0x44, 0x00},
.sak = 0x00,
.type = FuriHalNfcTypeA,
};
while(!cli_cmd_interrupt_received(cli)) {
if(furi_hal_nfc_listen(params.uid, params.uid_len, params.atqa, params.sak, false, 100)) {
printf("Reader detected\r\n");
furi_hal_nfc_sleep();
}
furi_delay_ms(50);
}
furi_hal_nfc_sleep();
}
static void nfc_cli_field(Cli* cli, FuriString* args) {
UNUSED(args);
// Check if nfc worker is not busy
if(furi_hal_nfc_is_busy()) {
printf("Nfc is busy\r\n");
if(furi_hal_nfc_is_hal_ready() != FuriHalNfcErrorNone) {
printf("NFC chip failed to start\r\n");
return;
}
furi_hal_nfc_exit_sleep();
furi_hal_nfc_field_on();
furi_hal_nfc_acquire();
furi_hal_nfc_low_power_mode_stop();
furi_hal_nfc_poller_field_on();
printf("Field is on. Don't leave device in this mode for too long.\r\n");
printf("Press Ctrl+C to abort\r\n");
@@ -96,73 +36,8 @@ static void nfc_cli_field(Cli* cli, FuriString* args) {
furi_delay_ms(50);
}
furi_hal_nfc_field_off();
furi_hal_nfc_sleep();
}
static void nfc_cli_apdu(Cli* cli, FuriString* args) {
UNUSED(cli);
if(furi_hal_nfc_is_busy()) {
printf("Nfc is busy\r\n");
return;
}
furi_hal_nfc_exit_sleep();
FuriString* data = NULL;
data = furi_string_alloc();
FuriHalNfcTxRxContext tx_rx = {};
FuriHalNfcDevData dev_data = {};
uint8_t* req_buffer = NULL;
uint8_t* resp_buffer = NULL;
size_t apdu_size = 0;
size_t resp_size = 0;
do {
if(!args_read_string_and_trim(args, data)) {
printf(
"Use like `nfc apdu 00a404000e325041592e5359532e444446303100 00a4040008a0000003010102` \r\n");
break;
}
printf("detecting tag\r\n");
if(!furi_hal_nfc_detect(&dev_data, 300)) {
printf("Failed to detect tag\r\n");
break;
}
do {
apdu_size = furi_string_size(data) / 2;
req_buffer = malloc(apdu_size);
hex_chars_to_uint8(furi_string_get_cstr(data), req_buffer);
memcpy(tx_rx.tx_data, req_buffer, apdu_size);
tx_rx.tx_bits = apdu_size * 8;
tx_rx.tx_rx_type = FuriHalNfcTxRxTypeDefault;
printf("Sending APDU:%s to Tag\r\n", furi_string_get_cstr(data));
if(!furi_hal_nfc_tx_rx(&tx_rx, 300)) {
printf("Failed to tx_rx\r\n");
break;
}
resp_size = (tx_rx.rx_bits / 8) * 2;
if(!resp_size) {
printf("No response\r\n");
continue;
}
resp_buffer = malloc(resp_size);
uint8_to_hex_chars(tx_rx.rx_data, resp_buffer, resp_size);
resp_buffer[resp_size] = 0;
printf("Response: %s\r\n", resp_buffer);
free(req_buffer);
free(resp_buffer);
req_buffer = NULL;
resp_buffer = NULL;
} while(args_read_string_and_trim(args, data));
} while(false);
free(req_buffer);
free(resp_buffer);
furi_string_free(data);
furi_hal_nfc_sleep();
furi_hal_nfc_low_power_mode_start();
furi_hal_nfc_release();
}
static void nfc_cli(Cli* cli, FuriString* args, void* context) {
@@ -175,20 +50,6 @@ static void nfc_cli(Cli* cli, FuriString* args, void* context) {
nfc_cli_print_usage();
break;
}
if(furi_string_cmp_str(cmd, "detect") == 0) {
nfc_cli_detect(cli, args);
break;
}
if(furi_string_cmp_str(cmd, "emulate") == 0) {
nfc_cli_emulate(cli, args);
break;
}
if(furi_string_cmp_str(cmd, "apdu") == 0) {
nfc_cli_apdu(cli, args);
break;
}
if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
if(furi_string_cmp_str(cmd, "field") == 0) {
nfc_cli_field(cli, args);