mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-27 21:23:07 +00:00
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
#include "../nfc_app_i.h"
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#include "../helpers/protocol_support/nfc_protocol_support_gui_common.h"
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// Sync UID from #UID to block 0 data
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void mfclassic_sync_uid(NfcDevice* instance) {
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size_t uid_len;
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const uint8_t* uid = nfc_device_get_uid(instance, &uid_len);
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MfClassicData* mfc_data = (MfClassicData*)nfc_device_get_data(instance, NfcProtocolMfClassic);
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uint8_t* block = mfc_data->block[0].data;
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// Sync UID
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for(uint8_t i = 0; i < (uint8_t)uid_len; i++) {
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block[i] = uid[i];
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}
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if(uid_len == 4) {
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// Calculate BCC
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block[uid_len] = 0;
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for(uint8_t i = 0; i < (uint8_t)uid_len; i++) {
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block[uid_len] ^= block[i];
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}
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}
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}
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static void nfc_scene_set_uid_byte_input_changed_callback(void* context) {
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NfcApp* instance = context;
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// Retrieve previously saved UID length
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const size_t uid_len = scene_manager_get_scene_state(instance->scene_manager, NfcSceneSetUid);
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nfc_device_set_uid(instance->nfc_device, instance->byte_input_store, uid_len);
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}
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void nfc_scene_set_uid_on_enter(void* context) {
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NfcApp* instance = context;
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size_t uid_len;
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const uint8_t* uid = nfc_device_get_uid(instance->nfc_device, &uid_len);
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memcpy(instance->byte_input_store, uid, uid_len);
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// Save UID length for use in callback
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scene_manager_set_scene_state(instance->scene_manager, NfcSceneSetUid, uid_len);
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// Setup view
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ByteInput* byte_input = instance->byte_input;
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byte_input_set_header_text(byte_input, "Enter UID in hex");
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byte_input_set_result_callback(
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byte_input,
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nfc_protocol_support_common_byte_input_done_callback,
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nfc_scene_set_uid_byte_input_changed_callback,
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instance,
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instance->byte_input_store,
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uid_len);
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view_dispatcher_switch_to_view(instance->view_dispatcher, NfcViewByteInput);
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}
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bool nfc_scene_set_uid_on_event(void* context, SceneManagerEvent event) {
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NfcApp* instance = context;
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bool consumed = false;
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if(event.type == SceneManagerEventTypeCustom) {
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if(event.event == NfcCustomEventByteInputDone) {
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if(scene_manager_has_previous_scene(instance->scene_manager, NfcSceneSavedMenu)) {
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if(nfc_save(instance)) {
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scene_manager_next_scene(instance->scene_manager, NfcSceneSaveSuccess);
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consumed = true;
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}
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} else {
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if(nfc_device_get_protocol(instance->nfc_device) == NfcProtocolMfClassic)
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mfclassic_sync_uid(instance->nfc_device);
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scene_manager_next_scene(instance->scene_manager, NfcSceneSaveName);
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consumed = true;
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}
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}
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}
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return consumed;
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}
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void nfc_scene_set_uid_on_exit(void* context) {
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NfcApp* instance = context;
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// Clear view
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byte_input_set_result_callback(instance->byte_input, NULL, NULL, NULL, NULL, 0);
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byte_input_set_header_text(instance->byte_input, "");
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}
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