unleashed-firmware/applications/nfc/nfc.c

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7.7 KiB
C
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#include "nfc_i.h"
#include "api-hal-nfc.h"
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osMessageQueueId_t message_queue = NULL;
uint32_t nfc_view_stop(void* context) {
furi_assert(message_queue);
NfcMessage message;
message.type = NfcMessageTypeStop;
furi_check(osMessageQueuePut(message_queue, &message, 0, osWaitForever) == osOK);
return NfcViewMenu;
}
uint32_t nfc_view_exit(void* context) {
furi_assert(message_queue);
NfcMessage message;
message.type = NfcMessageTypeExit;
furi_check(osMessageQueuePut(message_queue, &message, 0, osWaitForever) == osOK);
return VIEW_NONE;
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}
void nfc_menu_callback(void* context, uint32_t index) {
furi_assert(message_queue);
NfcMessage message;
if(index == 0) {
message.type = NfcMessageTypeDetect;
} else if(index == 1) {
message.type = NfcMessageTypeEmulate;
} else if(index == 2) {
message.type = NfcMessageTypeField;
}
furi_check(osMessageQueuePut(message_queue, &message, 0, osWaitForever) == osOK);
}
Nfc* nfc_alloc() {
Nfc* nfc = furi_alloc(sizeof(Nfc));
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message_queue = osMessageQueueNew(8, sizeof(NfcMessage), NULL);
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nfc->worker = nfc_worker_alloc(message_queue);
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// Open GUI record
nfc->gui = furi_record_open("gui");
// View Dispatcher
nfc->view_dispatcher = view_dispatcher_alloc();
view_dispatcher_attach_to_gui(nfc->view_dispatcher, nfc->gui, ViewDispatcherTypeFullscreen);
// Menu
nfc->submenu = submenu_alloc();
submenu_add_item(nfc->submenu, "Detect", 0, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Emulate", 1, nfc_menu_callback, nfc);
submenu_add_item(nfc->submenu, "Field", 2, nfc_menu_callback, nfc);
View* submenu_view = submenu_get_view(nfc->submenu);
view_set_previous_callback(submenu_view, nfc_view_exit);
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewMenu, submenu_view);
// Detect
nfc->view_detect = view_alloc();
view_set_context(nfc->view_detect, nfc);
view_set_draw_callback(nfc->view_detect, nfc_view_read_draw);
view_set_previous_callback(nfc->view_detect, nfc_view_stop);
view_allocate_model(nfc->view_detect, ViewModelTypeLocking, sizeof(NfcViewReadModel));
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewRead, nfc->view_detect);
// Emulate
nfc->view_emulate = view_alloc();
view_set_context(nfc->view_emulate, nfc);
view_set_draw_callback(nfc->view_emulate, nfc_view_emulate_draw);
view_set_previous_callback(nfc->view_emulate, nfc_view_stop);
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewEmulate, nfc->view_emulate);
// Field
nfc->view_field = view_alloc();
view_set_context(nfc->view_field, nfc);
view_set_draw_callback(nfc->view_field, nfc_view_field_draw);
view_set_previous_callback(nfc->view_field, nfc_view_stop);
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewField, nfc->view_field);
// Error
nfc->view_error = view_alloc();
view_set_context(nfc->view_error, nfc);
view_set_draw_callback(nfc->view_error, nfc_view_error_draw);
view_set_previous_callback(nfc->view_error, nfc_view_stop);
view_allocate_model(nfc->view_error, ViewModelTypeLockFree, sizeof(NfcViewErrorModel));
view_dispatcher_add_view(nfc->view_dispatcher, NfcViewError, nfc->view_error);
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// Switch to menu
view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
return nfc;
}
void nfc_free(Nfc* nfc) {
// Free nfc worker
nfc_worker_free(nfc->worker);
// Free allocated queue
osMessageQueueDelete(message_queue);
message_queue = NULL;
// Free allocated views
// Menu
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewMenu);
submenu_free(nfc->submenu);
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// Detect
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewRead);
view_free(nfc->view_detect);
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// Emulate
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewEmulate);
view_free(nfc->view_emulate);
// Field
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewField);
view_free(nfc->view_field);
// Error
view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewError);
view_free(nfc->view_error);
// Free View Dispatcher
view_dispatcher_free(nfc->view_dispatcher);
// Close all opened records
furi_record_close("gui");
nfc->gui = NULL;
// Free nfc object
free(nfc);
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}
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);
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) {
with_view_model(
nfc->view_error, (NfcViewErrorModel * model) {
model->error = nfc_worker_get_error(nfc->worker);
return true;
});
view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewError);
} else if(state == NfcWorkerStateReady) {
view_dispatcher_switch_to_view(nfc->view_dispatcher, view_id);
nfc_worker_start(nfc->worker, worker_state);
}
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}
int32_t nfc_task(void* p) {
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Nfc* nfc = nfc_alloc();
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NfcMessage message;
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while(1) {
furi_check(osMessageQueueGet(message_queue, &message, NULL, osWaitForever) == osOK);
if(message.type == NfcMessageTypeDetect) {
with_view_model(
nfc->view_detect, (NfcViewReadModel * model) {
model->found = false;
return true;
});
nfc_start(nfc, NfcViewRead, NfcWorkerStatePoll);
} else if(message.type == NfcMessageTypeEmulate) {
nfc_start(nfc, NfcViewEmulate, NfcWorkerStateEmulate);
} else if(message.type == NfcMessageTypeField) {
nfc_start(nfc, NfcViewField, NfcWorkerStateField);
} else if(message.type == NfcMessageTypeStop) {
nfc_worker_stop(nfc->worker);
} else if(message.type == NfcMessageTypeDeviceFound) {
with_view_model(
nfc->view_detect, (NfcViewReadModel * model) {
model->found = true;
model->device = message.device;
return true;
});
} else if(message.type == NfcMessageTypeDeviceNotFound) {
with_view_model(
nfc->view_detect, (NfcViewReadModel * model) {
model->found = false;
return true;
});
} else if(message.type == NfcMessageTypeExit) {
nfc_free(nfc);
break;
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}
}
return 0;
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}