flipperzero-firmware/applications/nfc/nfc_emv.c

133 lines
3.6 KiB
C
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#include "nfc_emv.h"
#include "nfc_i.h"
#include "nfc_types.h"
#include <furi.h>
#include <api-hal.h>
#include <input/input.h>
struct NfcEmv {
NfcCommon* nfc_common;
View* view;
};
typedef struct {
bool found;
NfcEmvData emv_data;
} NfcEmvModel;
void nfc_emv_draw(Canvas* canvas, NfcEmvModel* model) {
char buffer[32];
canvas_clear(canvas);
canvas_set_font(canvas, FontPrimary);
if(model->found) {
canvas_draw_str(canvas, 0, 12, "Found EMV card");
canvas_set_font(canvas, FontSecondary);
canvas_draw_str(canvas, 2, 22, "Type:");
snprintf(buffer, sizeof(buffer), "%s", model->emv_data.name);
canvas_draw_str(canvas, 2, 32, buffer);
snprintf(buffer, sizeof(buffer), "Number:\n");
canvas_draw_str(canvas, 2, 42, buffer);
uint8_t card_num_len = sizeof(model->emv_data.number);
for(uint8_t i = 0; i < card_num_len; i++) {
snprintf(
buffer + (i * 2), sizeof(buffer) - (i * 2), "%02X", model->emv_data.number[i]);
}
buffer[card_num_len * 2] = 0;
canvas_draw_str(canvas, 2, 52, buffer);
} else {
canvas_draw_str(canvas, 0, 12, "Searching");
canvas_set_font(canvas, FontSecondary);
canvas_draw_str(canvas, 2, 22, "Place card to the back");
}
}
bool nfc_emv_input(InputEvent* event, void* context) {
if(event->key == InputKeyBack) {
return false;
}
return true;
}
void nfc_emv_worker_callback(void* context) {
furi_assert(context);
NfcEmv* nfc_emv = (NfcEmv*)context;
view_dispatcher_send_custom_event(nfc_emv->nfc_common->view_dispatcher, NfcEventEmv);
}
void nfc_emv_view_dispatcher_callback(NfcEmv* nfc_emv, NfcMessage* message) {
furi_assert(nfc_emv);
furi_assert(message);
if(message->found) {
with_view_model(
nfc_emv->view, (NfcEmvModel * model) {
model->found = true;
model->emv_data = message->nfc_emv_data;
return true;
});
} else {
with_view_model(
nfc_emv->view, (NfcEmvModel * model) {
model->found = false;
return true;
});
}
}
void nfc_emv_enter(void* context) {
furi_assert(context);
NfcEmv* nfc_emv = (NfcEmv*)context;
with_view_model(
nfc_emv->view, (NfcEmvModel * model) {
model->found = false;
return true;
});
nfc_worker_start(
nfc_emv->nfc_common->worker, NfcWorkerStateReadEMV, nfc_emv_worker_callback, nfc_emv);
}
void nfc_emv_exit(void* context) {
furi_assert(context);
NfcEmv* nfc_emv = (NfcEmv*)context;
nfc_worker_stop(nfc_emv->nfc_common->worker);
}
uint32_t nfc_emv_back(void* context) {
return NfcViewMenu;
}
NfcEmv* nfc_emv_alloc(NfcCommon* nfc_common) {
furi_assert(nfc_common);
NfcEmv* nfc_emv = furi_alloc(sizeof(NfcEmv));
nfc_emv->nfc_common = nfc_common;
// View allocation and configuration
nfc_emv->view = view_alloc();
view_allocate_model(nfc_emv->view, ViewModelTypeLockFree, sizeof(NfcEmvModel));
view_set_context(nfc_emv->view, nfc_emv);
view_set_draw_callback(nfc_emv->view, (ViewDrawCallback)nfc_emv_draw);
view_set_input_callback(nfc_emv->view, nfc_emv_input);
view_set_enter_callback(nfc_emv->view, nfc_emv_enter);
view_set_exit_callback(nfc_emv->view, nfc_emv_exit);
view_set_previous_callback(nfc_emv->view, nfc_emv_back);
return nfc_emv;
}
void nfc_emv_free(NfcEmv* nfc_emv) {
furi_assert(nfc_emv);
view_free(nfc_emv->view);
free(nfc_emv);
}
View* nfc_emv_get_view(NfcEmv* nfc_emv) {
furi_assert(nfc_emv);
return nfc_emv->view;
}