66f9d946ae
* FuriHal: crypto layer * Furi: add crash routine. * FuriHal: crypto api. Crypto: cli command to manipulate secure enclave and encrypt/decrypt plain text. * DeviceInfo: secure enclave verification. * Rename original to enclave_valid * Update expected enclave signature to match production keys * F7: remove unused files
398 lines
12 KiB
C
398 lines
12 KiB
C
#include "subghz_i.h"
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#include <math.h>
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#include <furi.h>
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#include <furi-hal.h>
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#include <input/input.h>
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#include <gui/elements.h>
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#include <notification/notification-messages.h>
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#include "file-worker.h"
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#include "../notification/notification.h"
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#include "views/subghz_receiver.h"
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void subghz_begin(FuriHalSubGhzPreset preset) {
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furi_hal_subghz_reset();
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furi_hal_subghz_idle();
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furi_hal_subghz_load_preset(preset);
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hal_gpio_init(&gpio_cc1101_g0, GpioModeInput, GpioPullNo, GpioSpeedLow);
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}
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uint32_t subghz_rx(void* context, uint32_t frequency) {
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furi_assert(context);
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if(!furi_hal_subghz_is_frequency_valid(frequency)) {
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furi_crash(NULL);
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}
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SubGhzWorker* worker = context;
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furi_hal_subghz_idle();
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uint32_t value = furi_hal_subghz_set_frequency_and_path(frequency);
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hal_gpio_init(&gpio_cc1101_g0, GpioModeInput, GpioPullNo, GpioSpeedLow);
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furi_hal_subghz_flush_rx();
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furi_hal_subghz_rx();
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furi_hal_subghz_start_async_rx(subghz_worker_rx_callback, worker);
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subghz_worker_start(worker);
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return value;
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}
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uint32_t subghz_tx(uint32_t frequency) {
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if(!furi_hal_subghz_is_frequency_valid(frequency)) {
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furi_crash(NULL);
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}
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furi_hal_subghz_idle();
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uint32_t value = furi_hal_subghz_set_frequency_and_path(frequency);
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hal_gpio_init(&gpio_cc1101_g0, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
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hal_gpio_write(&gpio_cc1101_g0, true);
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furi_hal_subghz_tx();
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return value;
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}
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void subghz_idle(void) {
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furi_hal_subghz_idle();
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}
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void subghz_rx_end(void* context) {
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furi_assert(context);
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SubGhzWorker* worker = context;
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if(subghz_worker_is_running(worker)) {
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subghz_worker_stop(worker);
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furi_hal_subghz_stop_async_rx();
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}
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furi_hal_subghz_idle();
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}
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void subghz_sleep(void) {
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furi_hal_subghz_sleep();
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}
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void subghz_frequency_preset_to_str(void* context, string_t output) {
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furi_assert(context);
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SubGhz* subghz = context;
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string_cat_printf(
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output,
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"Frequency: %d\n"
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"Preset: %d\n",
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(int)subghz->txrx->frequency,
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(int)subghz->txrx->preset);
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}
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void subghz_tx_start(void* context) {
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furi_assert(context);
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SubGhz* subghz = context;
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subghz->txrx->encoder = subghz_protocol_encoder_common_alloc();
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subghz->txrx->encoder->repeat = 200; //max repeat with the button held down
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//get upload
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if(subghz->txrx->protocol_result->get_upload_protocol) {
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if(subghz->txrx->protocol_result->get_upload_protocol(
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subghz->txrx->protocol_result, subghz->txrx->encoder)) {
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if(subghz->txrx->preset) {
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subghz_begin(subghz->txrx->preset);
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} else {
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subghz_begin(FuriHalSubGhzPresetOok270Async);
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}
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if(subghz->txrx->frequency) {
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subghz_tx(subghz->txrx->frequency);
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} else {
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subghz_tx(433920000);
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}
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//Start TX
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furi_hal_subghz_start_async_tx(
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subghz_protocol_encoder_common_yield, subghz->txrx->encoder);
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}
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}
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}
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void subghz_tx_stop(void* context) {
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furi_assert(context);
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SubGhz* subghz = context;
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//Stop TX
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furi_hal_subghz_stop_async_tx();
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subghz_protocol_encoder_common_free(subghz->txrx->encoder);
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furi_hal_subghz_idle();
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//if protocol dynamic then we save the last upload
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if(subghz->txrx->protocol_result->type_protocol == TYPE_PROTOCOL_DYNAMIC) {
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subghz_save_protocol_to_file(subghz, subghz->text_store);
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}
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notification_message(subghz->notifications, &sequence_reset_red);
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}
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bool subghz_key_load(SubGhz* subghz, const char* file_path) {
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furi_assert(subghz);
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furi_assert(file_path);
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FileWorker* file_worker = file_worker_alloc(false);
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// Load device data
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bool loaded = false;
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string_t path;
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string_init_set_str(path, file_path);
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string_t temp_str;
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string_init(temp_str);
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int res = 0;
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int data = 0;
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do {
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if(!file_worker_open(file_worker, string_get_cstr(path), FSAM_READ, FSOM_OPEN_EXISTING)) {
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break;
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}
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// Read and parse frequency from 1st line
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if(!file_worker_read_until(file_worker, temp_str, '\n')) {
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break;
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}
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res = sscanf(string_get_cstr(temp_str), "Frequency: %d\n", &data);
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if(res != 1) {
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break;
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}
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subghz->txrx->frequency = (uint32_t)data;
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// Read and parse preset from 2st line
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if(!file_worker_read_until(file_worker, temp_str, '\n')) {
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break;
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}
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res = sscanf(string_get_cstr(temp_str), "Preset: %d\n", &data);
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if(res != 1) {
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break;
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}
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subghz->txrx->preset = (FuriHalSubGhzPreset)data;
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// Read and parse name protocol from 2st line
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if(!file_worker_read_until(file_worker, temp_str, '\n')) {
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break;
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}
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// strlen("Protocol: ") = 10
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string_right(temp_str, 10);
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subghz->txrx->protocol_result =
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subghz_protocol_get_by_name(subghz->txrx->protocol, string_get_cstr(temp_str));
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if(subghz->txrx->protocol_result == NULL) {
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break;
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}
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if(!subghz->txrx->protocol_result->to_load_protocol_from_file(
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file_worker, subghz->txrx->protocol_result)) {
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break;
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}
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loaded = true;
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} while(0);
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if(!loaded) {
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file_worker_show_error(file_worker, "Cannot parse\nfile");
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}
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string_clear(temp_str);
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string_clear(path);
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return loaded;
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}
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bool subghz_save_protocol_to_file(void* context, const char* dev_name) {
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furi_assert(context);
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SubGhz* subghz = context;
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furi_assert(subghz->txrx->protocol_result);
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FileWorker* file_worker = file_worker_alloc(false);
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string_t dev_file_name;
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string_init(dev_file_name);
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string_t temp_str;
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string_init(temp_str);
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bool saved = false;
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do {
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// Create subghz folder directory if necessary
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if(!file_worker_mkdir(file_worker, SUBGHZ_APP_FOLDER)) {
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break;
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}
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// Create saved directory if necessary
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if(!file_worker_mkdir(file_worker, SUBGHZ_APP_PATH_FOLDER)) {
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break;
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}
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// First remove subghz device file if it was saved
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string_printf(
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dev_file_name, "%s/%s%s", SUBGHZ_APP_PATH_FOLDER, dev_name, SUBGHZ_APP_EXTENSION);
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if(!file_worker_remove(file_worker, string_get_cstr(dev_file_name))) {
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break;
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}
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// Open file
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if(!file_worker_open(
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file_worker, string_get_cstr(dev_file_name), FSAM_WRITE, FSOM_CREATE_ALWAYS)) {
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break;
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}
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//Get string frequency preset protocol
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subghz_frequency_preset_to_str(subghz, temp_str);
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if(!file_worker_write(file_worker, string_get_cstr(temp_str), string_size(temp_str))) {
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break;
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}
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//Get string save
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subghz->txrx->protocol_result->to_save_string(subghz->txrx->protocol_result, temp_str);
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// Prepare and write data to file
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if(!file_worker_write(file_worker, string_get_cstr(temp_str), string_size(temp_str))) {
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break;
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}
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saved = true;
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} while(0);
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string_clear(temp_str);
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string_clear(dev_file_name);
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return saved;
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}
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bool subghz_load_protocol_from_file(SubGhz* subghz) {
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furi_assert(subghz);
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FileWorker* file_worker = file_worker_alloc(false);
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string_t protocol_file_name;
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string_init(protocol_file_name);
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string_t temp_str;
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string_init(temp_str);
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int sscanf_res = 0;
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int data = 0;
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// Input events and views are managed by file_select
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bool res = file_worker_file_select(
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file_worker,
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SUBGHZ_APP_PATH_FOLDER,
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SUBGHZ_APP_EXTENSION,
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subghz->text_store,
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sizeof(subghz->text_store),
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NULL);
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if(res) {
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// Get key file path
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string_printf(
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protocol_file_name,
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"%s/%s%s",
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SUBGHZ_APP_PATH_FOLDER,
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subghz->text_store,
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SUBGHZ_APP_EXTENSION);
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} else {
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string_clear(temp_str);
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string_clear(protocol_file_name);
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return res;
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}
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res = false;
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do {
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if(!file_worker_open(
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file_worker, string_get_cstr(protocol_file_name), FSAM_READ, FSOM_OPEN_EXISTING)) {
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break;
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}
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// Read and parse frequency from 1st line
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if(!file_worker_read_until(file_worker, temp_str, '\n')) {
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break;
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}
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sscanf_res = sscanf(string_get_cstr(temp_str), "Frequency: %d\n", &data);
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if(sscanf_res != 1) {
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break;
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}
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subghz->txrx->frequency = (uint32_t)data;
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// Read and parse preset from 2st line
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if(!file_worker_read_until(file_worker, temp_str, '\n')) {
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break;
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}
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sscanf_res = sscanf(string_get_cstr(temp_str), "Preset: %d\n", &data);
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if(sscanf_res != 1) {
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break;
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}
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subghz->txrx->preset = (FuriHalSubGhzPreset)data;
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// Read and parse name protocol from 3st line
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if(!file_worker_read_until(file_worker, temp_str, '\n')) {
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break;
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}
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// strlen("Protocol: ") = 10
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string_right(temp_str, 10);
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subghz->txrx->protocol_result =
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subghz_protocol_get_by_name(subghz->txrx->protocol, string_get_cstr(temp_str));
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if(subghz->txrx->protocol_result == NULL) {
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break;
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}
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if(!subghz->txrx->protocol_result->to_load_protocol_from_file(
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file_worker, subghz->txrx->protocol_result)) {
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break;
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}
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res = true;
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} while(0);
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if(!res) {
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file_worker_show_error(file_worker, "Cannot parse\nfile");
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}
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string_clear(temp_str);
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string_clear(protocol_file_name);
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return res;
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}
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uint32_t subghz_random_serial(void) {
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static bool rand_generator_inited = false;
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if(!rand_generator_inited) {
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srand(DWT->CYCCNT);
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rand_generator_inited = true;
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}
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return (uint32_t)rand();
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}
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void subghz_hopper_update(void* context) {
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furi_assert(context);
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SubGhzTxRx* txrx = context;
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switch(txrx->hopper_state) {
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case SubGhzHopperStateOFF:
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return;
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break;
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case SubGhzHopperStatePause:
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return;
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break;
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case SubGhzHopperStateRSSITimeOut:
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if(txrx->hopper_timeout != 0) {
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txrx->hopper_timeout--;
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return;
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}
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break;
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default:
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break;
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}
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float rssi = -127.0f;
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if(txrx->hopper_state != SubGhzHopperStateRSSITimeOut) {
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// See RSSI Calculation timings in CC1101 17.3 RSSI
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rssi = furi_hal_subghz_get_rssi();
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// Stay if RSSI is high enough
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if(rssi > -90.0f) {
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txrx->hopper_timeout = 10;
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txrx->hopper_state = SubGhzHopperStateRSSITimeOut;
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return;
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}
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} else {
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txrx->hopper_state = SubGhzHopperStateRunnig;
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}
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// Select next frequency
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if(txrx->hopper_idx_frequency < subghz_hopper_frequencies_count - 1) {
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txrx->hopper_idx_frequency++;
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} else {
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txrx->hopper_idx_frequency = 0;
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}
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if(txrx->txrx_state == SubGhzTxRxStateRx) {
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subghz_rx_end(txrx->worker);
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txrx->txrx_state = SubGhzTxRxStateIdle;
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};
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if(txrx->txrx_state == SubGhzTxRxStateIdle) {
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subghz_protocol_reset(txrx->protocol);
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txrx->frequency = subghz_hopper_frequencies[txrx->hopper_idx_frequency];
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subghz_rx(txrx->worker, txrx->frequency);
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txrx->txrx_state = SubGhzTxRxStateRx;
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}
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}
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