// Description: Flipper HTTP API (For use with Flipper Zero and the FlipperHTTP flash: https://github.com/jblanked/FlipperHTTP) // License: MIT // Author: JBlanked // File: flipper_http.c #include // change this to where flipper_http.h is located // Function to append received data to file // make sure to initialize the file path before calling this function bool flipper_http_append_to_file( const void *data, size_t data_size, bool start_new_file, char *file_path) { Storage *storage = furi_record_open(RECORD_STORAGE); File *file = storage_file_alloc(storage); if (start_new_file) { // Delete the file if it already exists if (storage_file_exists(storage, file_path)) { if (!storage_simply_remove_recursive(storage, file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to delete file: %s", file_path); storage_file_free(file); furi_record_close(RECORD_STORAGE); return false; } } // Open the file in write mode if (!storage_file_open(file, file_path, FSAM_WRITE, FSOM_CREATE_ALWAYS)) { FURI_LOG_E(HTTP_TAG, "Failed to open file for writing: %s", file_path); storage_file_free(file); furi_record_close(RECORD_STORAGE); return false; } } else { // Open the file in append mode if (!storage_file_open(file, file_path, FSAM_WRITE, FSOM_OPEN_APPEND)) { FURI_LOG_E(HTTP_TAG, "Failed to open file for appending: %s", file_path); storage_file_free(file); furi_record_close(RECORD_STORAGE); return false; } } // Write the data to the file if (storage_file_write(file, data, data_size) != data_size) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file"); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return false; } storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return true; } FuriString *flipper_http_load_from_file(char *file_path) { // Open the storage record Storage *storage = furi_record_open(RECORD_STORAGE); if (!storage) { FURI_LOG_E(HTTP_TAG, "Failed to open storage record"); return NULL; } // Allocate a file handle File *file = storage_file_alloc(storage); if (!file) { FURI_LOG_E(HTTP_TAG, "Failed to allocate storage file"); furi_record_close(RECORD_STORAGE); return NULL; } // Open the file for reading if (!storage_file_open(file, file_path, FSAM_READ, FSOM_OPEN_EXISTING)) { storage_file_free(file); furi_record_close(RECORD_STORAGE); FURI_LOG_E(HTTP_TAG, "Failed to open file for reading: %s", file_path); return NULL; } // Allocate a FuriString to hold the received data FuriString *str_result = furi_string_alloc(); if (!str_result) { FURI_LOG_E(HTTP_TAG, "Failed to allocate FuriString"); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } // Reset the FuriString to ensure it's empty before reading furi_string_reset(str_result); // Define a buffer to hold the read data uint8_t *buffer = (uint8_t *)malloc(MAX_FILE_SHOW); if (!buffer) { FURI_LOG_E(HTTP_TAG, "Failed to allocate buffer"); furi_string_free(str_result); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } // Read data into the buffer size_t read_count = storage_file_read(file, buffer, MAX_FILE_SHOW); if (storage_file_get_error(file) != FSE_OK) { FURI_LOG_E(HTTP_TAG, "Error reading from file."); furi_string_free(str_result); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } // Append each byte to the FuriString for (size_t i = 0; i < read_count; i++) { furi_string_push_back(str_result, buffer[i]); } // Clean up storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); free(buffer); return str_result; } FuriString *flipper_http_load_from_file_with_limit(char *file_path, size_t limit) { // Open the storage record Storage *storage = furi_record_open(RECORD_STORAGE); if (!storage) { FURI_LOG_E(HTTP_TAG, "Failed to open storage record"); return NULL; } // Allocate a file handle File *file = storage_file_alloc(storage); if (!file) { FURI_LOG_E(HTTP_TAG, "Failed to allocate storage file"); furi_record_close(RECORD_STORAGE); return NULL; } // Open the file for reading if (!storage_file_open(file, file_path, FSAM_READ, FSOM_OPEN_EXISTING)) { storage_file_free(file); furi_record_close(RECORD_STORAGE); FURI_LOG_E(HTTP_TAG, "Failed to open file for reading: %s", file_path); return NULL; } if (memmgr_get_free_heap() < limit) { FURI_LOG_E(HTTP_TAG, "Not enough heap to read file."); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } // Allocate a buffer to hold the read data uint8_t *buffer = (uint8_t *)malloc(limit); if (!buffer) { FURI_LOG_E(HTTP_TAG, "Failed to allocate buffer"); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } // Allocate a FuriString with preallocated capacity FuriString *str_result = furi_string_alloc(); if (!str_result) { FURI_LOG_E(HTTP_TAG, "Failed to allocate FuriString"); free(buffer); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } furi_string_reserve(str_result, limit); // Read data into the buffer size_t read_count = storage_file_read(file, buffer, limit); if (storage_file_get_error(file) != FSE_OK) { FURI_LOG_E(HTTP_TAG, "Error reading from file."); furi_string_free(str_result); free(buffer); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } if (read_count == 0) { FURI_LOG_E(HTTP_TAG, "No data read from file."); furi_string_free(str_result); free(buffer); storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); return NULL; } // Append the entire buffer to FuriString in one operation furi_string_cat_str(str_result, (char *)buffer); // Clean up storage_file_close(file); storage_file_free(file); furi_record_close(RECORD_STORAGE); free(buffer); return str_result; } // UART worker thread /** * @brief Worker thread to handle UART data asynchronously. * @return 0 * @param context The FlipperHTTP context. * @note This function will handle received data asynchronously via the callback. */ // UART worker thread int32_t flipper_http_worker(void *context) { if (!context) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return -1; } FlipperHTTP *fhttp = (FlipperHTTP *)context; if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return -1; } size_t rx_line_pos = 0; while (1) { uint32_t events = furi_thread_flags_wait( WorkerEvtStop | WorkerEvtRxDone, FuriFlagWaitAny, FuriWaitForever); if (events & WorkerEvtStop) { break; } if (events & WorkerEvtRxDone) { // Continuously read from the stream buffer until it's empty while (!furi_stream_buffer_is_empty(fhttp->flipper_http_stream)) { // Read one byte at a time char c = 0; size_t received = furi_stream_buffer_receive(fhttp->flipper_http_stream, &c, 1, 0); if (received == 0) { // No more data to read break; } // Append the received byte to the file if saving is enabled if (fhttp->save_bytes) { // Add byte to the buffer fhttp->file_buffer[fhttp->file_buffer_len++] = c; // Write to file if buffer is full if (fhttp->file_buffer_len >= FILE_BUFFER_SIZE) { if (!flipper_http_append_to_file( fhttp->file_buffer, fhttp->file_buffer_len, fhttp->just_started_bytes, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file"); } fhttp->file_buffer_len = 0; fhttp->just_started_bytes = false; } } // Handle line buffering only if callback is set (text data) if (fhttp->handle_rx_line_cb) { // Handle line buffering if (c == '\n' || rx_line_pos >= RX_LINE_BUFFER_SIZE - 1) { fhttp->rx_line_buffer[rx_line_pos] = '\0'; // Null-terminate the line // Invoke the callback with the complete line fhttp->handle_rx_line_cb(fhttp->rx_line_buffer, fhttp->callback_context); // Reset the line buffer position rx_line_pos = 0; } else { fhttp->rx_line_buffer[rx_line_pos++] = c; // Add character to the line buffer } } } } } return 0; } // Timer callback function /** * @brief Callback function for the GET timeout timer. * @return 0 * @param context The FlipperHTTP context. * @note This function will be called when the GET request times out. */ void get_timeout_timer_callback(void *context) { FlipperHTTP *fhttp = (FlipperHTTP *)context; if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return; } FURI_LOG_E(HTTP_TAG, "Timeout reached without receiving the end."); // Reset the state fhttp->started_receiving_get = false; fhttp->started_receiving_post = false; fhttp->started_receiving_put = false; fhttp->started_receiving_delete = false; // Update UART state fhttp->state = ISSUE; } // UART RX Handler Callback (Interrupt Context) /** * @brief A private callback function to handle received data asynchronously. * @return void * @param handle The UART handle. * @param event The event type. * @param context The FlipperHTTP context. * @note This function will handle received data asynchronously via the callback. */ void _flipper_http_rx_callback( FuriHalSerialHandle *handle, FuriHalSerialRxEvent event, void *context) { FlipperHTTP *fhttp = (FlipperHTTP *)context; if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return; } if (event == FuriHalSerialRxEventData) { uint8_t data = furi_hal_serial_async_rx(handle); furi_stream_buffer_send(fhttp->flipper_http_stream, &data, 1, 0); furi_thread_flags_set(fhttp->rx_thread_id, WorkerEvtRxDone); } } // UART initialization function /** * @brief Initialize UART. * @return FlipperHTTP context if the UART was initialized successfully, NULL otherwise. * @note The received data will be handled asynchronously via the callback. */ FlipperHTTP *flipper_http_alloc() { FlipperHTTP *fhttp = (FlipperHTTP *)malloc(sizeof(FlipperHTTP)); if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to allocate FlipperHTTP."); return NULL; } memset(fhttp, 0, sizeof(FlipperHTTP)); // Initialize allocated memory to zero fhttp->flipper_http_stream = furi_stream_buffer_alloc(RX_BUF_SIZE, 1); if (!fhttp->flipper_http_stream) { FURI_LOG_E(HTTP_TAG, "Failed to allocate UART stream buffer."); free(fhttp); return NULL; } fhttp->rx_thread = furi_thread_alloc(); if (!fhttp->rx_thread) { FURI_LOG_E(HTTP_TAG, "Failed to allocate UART thread."); furi_stream_buffer_free(fhttp->flipper_http_stream); free(fhttp); return NULL; } furi_thread_set_name(fhttp->rx_thread, "FlipperHTTP_RxThread"); furi_thread_set_stack_size(fhttp->rx_thread, 1024); furi_thread_set_context(fhttp->rx_thread, fhttp); // Corrected context furi_thread_set_callback(fhttp->rx_thread, flipper_http_worker); fhttp->handle_rx_line_cb = flipper_http_rx_callback; fhttp->callback_context = fhttp; furi_thread_start(fhttp->rx_thread); fhttp->rx_thread_id = furi_thread_get_id(fhttp->rx_thread); // Handle when the UART control is busy to avoid furi_check failed if (furi_hal_serial_control_is_busy(UART_CH)) { FURI_LOG_E(HTTP_TAG, "UART control is busy."); // Cleanup resources furi_thread_flags_set(fhttp->rx_thread_id, WorkerEvtStop); furi_thread_join(fhttp->rx_thread); furi_thread_free(fhttp->rx_thread); furi_stream_buffer_free(fhttp->flipper_http_stream); free(fhttp); return NULL; } fhttp->serial_handle = furi_hal_serial_control_acquire(UART_CH); if (!fhttp->serial_handle) { FURI_LOG_E(HTTP_TAG, "Failed to acquire UART control - handle is NULL"); // Cleanup resources furi_thread_flags_set(fhttp->rx_thread_id, WorkerEvtStop); furi_thread_join(fhttp->rx_thread); furi_thread_free(fhttp->rx_thread); furi_stream_buffer_free(fhttp->flipper_http_stream); free(fhttp); return NULL; } // Initialize UART with acquired handle furi_hal_serial_init(fhttp->serial_handle, BAUDRATE); // Enable RX direction furi_hal_serial_enable_direction(fhttp->serial_handle, FuriHalSerialDirectionRx); // Start asynchronous RX with the corrected callback and context furi_hal_serial_async_rx_start(fhttp->serial_handle, _flipper_http_rx_callback, fhttp, false); // Corrected context // Wait for the TX to complete to ensure UART is ready furi_hal_serial_tx_wait_complete(fhttp->serial_handle); // Allocate the timer for handling timeouts fhttp->get_timeout_timer = furi_timer_alloc( get_timeout_timer_callback, // Callback function FuriTimerTypeOnce, // One-shot timer fhttp // Corrected context ); if (!fhttp->get_timeout_timer) { FURI_LOG_E(HTTP_TAG, "Failed to allocate HTTP request timeout timer."); // Cleanup resources furi_hal_serial_async_rx_stop(fhttp->serial_handle); furi_hal_serial_disable_direction(fhttp->serial_handle, FuriHalSerialDirectionRx); furi_hal_serial_control_release(fhttp->serial_handle); furi_hal_serial_deinit(fhttp->serial_handle); furi_thread_flags_set(fhttp->rx_thread_id, WorkerEvtStop); furi_thread_join(fhttp->rx_thread); furi_thread_free(fhttp->rx_thread); furi_stream_buffer_free(fhttp->flipper_http_stream); free(fhttp); return NULL; } // Set the timer thread priority if needed furi_timer_set_thread_priority(FuriTimerThreadPriorityElevated); fhttp->last_response = (char *)malloc(RX_BUF_SIZE); if (!fhttp->last_response) { FURI_LOG_E(HTTP_TAG, "Failed to allocate memory for last_response."); // Cleanup resources furi_timer_free(fhttp->get_timeout_timer); furi_hal_serial_async_rx_stop(fhttp->serial_handle); furi_hal_serial_disable_direction(fhttp->serial_handle, FuriHalSerialDirectionRx); furi_hal_serial_control_release(fhttp->serial_handle); furi_hal_serial_deinit(fhttp->serial_handle); furi_thread_flags_set(fhttp->rx_thread_id, WorkerEvtStop); furi_thread_join(fhttp->rx_thread); furi_thread_free(fhttp->rx_thread); furi_stream_buffer_free(fhttp->flipper_http_stream); free(fhttp); return NULL; } memset(fhttp->last_response, 0, RX_BUF_SIZE); // Initialize last_response fhttp->state = IDLE; // FURI_LOG_I(HTTP_TAG, "UART initialized successfully."); return fhttp; } // Deinitialize UART /** * @brief Deinitialize UART. * @return void * @param fhttp The FlipperHTTP context * @note This function will stop the asynchronous RX, release the serial handle, and free the resources. */ void flipper_http_free(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return; } if (fhttp->serial_handle == NULL) { FURI_LOG_E(HTTP_TAG, "UART handle is NULL. Already deinitialized?"); return; } // Stop asynchronous RX furi_hal_serial_async_rx_stop(fhttp->serial_handle); // Release and deinitialize the serial handle furi_hal_serial_disable_direction(fhttp->serial_handle, FuriHalSerialDirectionRx); furi_hal_serial_control_release(fhttp->serial_handle); furi_hal_serial_deinit(fhttp->serial_handle); // Signal the worker thread to stop furi_thread_flags_set(fhttp->rx_thread_id, WorkerEvtStop); // Wait for the thread to finish furi_thread_join(fhttp->rx_thread); // Free the thread resources furi_thread_free(fhttp->rx_thread); // Free the stream buffer furi_stream_buffer_free(fhttp->flipper_http_stream); // Free the timer if (fhttp->get_timeout_timer) { furi_timer_free(fhttp->get_timeout_timer); fhttp->get_timeout_timer = NULL; } // Free the last response if (fhttp->last_response) { free(fhttp->last_response); fhttp->last_response = NULL; } // Free the FlipperHTTP context free(fhttp); fhttp = NULL; // FURI_LOG_I("FlipperHTTP", "UART deinitialized successfully."); } // Function to send data over UART with newline termination /** * @brief Send data over UART with newline termination. * @return true if the data was sent successfully, false otherwise. * @param fhttp The FlipperHTTP context * @param data The data to send over UART. * @note The data will be sent over UART with a newline character appended. */ bool flipper_http_send_data(FlipperHTTP *fhttp, const char *data) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } size_t data_length = strlen(data); if (data_length == 0) { FURI_LOG_E("FlipperHTTP", "Attempted to send empty data."); return false; } // Create a buffer with data + '\n' size_t send_length = data_length + 1; // +1 for '\n' if (send_length > 512) { // Ensure buffer size is sufficient FURI_LOG_E("FlipperHTTP", "Data too long to send over FHTTP->"); return false; } char send_buffer[513]; // 512 + 1 for safety strncpy(send_buffer, data, 512); send_buffer[data_length] = '\n'; // Append newline send_buffer[data_length + 1] = '\0'; // Null-terminate if (fhttp->state == INACTIVE && ((strstr(send_buffer, "[PING]") == NULL) && (strstr(send_buffer, "[WIFI/CONNECT]") == NULL))) { FURI_LOG_E("FlipperHTTP", "Cannot send data while INACTIVE."); fhttp->last_response = "Cannot send data while INACTIVE."; return false; } fhttp->state = SENDING; furi_hal_serial_tx(fhttp->serial_handle, (const uint8_t *)send_buffer, send_length); // Uncomment below line to log the data sent over UART // FURI_LOG_I("FlipperHTTP", "Sent data over UART: %s", send_buffer); fhttp->state = IDLE; return true; } // Function to send a PING request /** * @brief Send a PING request to check if the Wifi Dev Board is connected. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. * @note This is best used to check if the Wifi Dev Board is connected. * @note The state will remain INACTIVE until a PONG is received. */ bool flipper_http_ping(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[PING]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send PING command."); return false; } // set state as INACTIVE to be made IDLE if PONG is received fhttp->state = INACTIVE; // The response will be handled asynchronously via the callback return true; } // Function to list available commands /** * @brief Send a command to list available commands. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_list_commands(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[LIST]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send LIST command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to turn on the LED /** * @brief Allow the LED to display while processing. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_led_on(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[LED/ON]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send LED ON command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to turn off the LED /** * @brief Disable the LED from displaying while processing. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_led_off(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[LED/OFF]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send LED OFF command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to parse JSON data /** * @brief Parse JSON data. * @return true if the JSON data was parsed successfully, false otherwise. * @param fhttp The FlipperHTTP context * @param key The key to parse from the JSON data. * @param json_data The JSON data to parse. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_parse_json(FlipperHTTP *fhttp, const char *key, const char *json_data) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!key || !json_data) { FURI_LOG_E("FlipperHTTP", "Invalid arguments provided to flipper_http_parse_json."); return false; } char buffer[256]; int ret = snprintf(buffer, sizeof(buffer), "[PARSE]{\"key\":\"%s\",\"json\":%s}", key, json_data); if (ret < 0 || ret >= (int)sizeof(buffer)) { FURI_LOG_E("FlipperHTTP", "Failed to format JSON parse command."); return false; } if (!flipper_http_send_data(fhttp, buffer)) { FURI_LOG_E("FlipperHTTP", "Failed to send JSON parse command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to parse JSON array data /** * @brief Parse JSON array data. * @return true if the JSON array data was parsed successfully, false otherwise. * @param fhttp The FlipperHTTP context * @param key The key to parse from the JSON array data. * @param index The index to parse from the JSON array data. * @param json_data The JSON array data to parse. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_parse_json_array(FlipperHTTP *fhttp, const char *key, int index, const char *json_data) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!key || !json_data) { FURI_LOG_E("FlipperHTTP", "Invalid arguments provided to flipper_http_parse_json_array."); return false; } char buffer[256]; int ret = snprintf( buffer, sizeof(buffer), "[PARSE/ARRAY]{\"key\":\"%s\",\"index\":%d,\"json\":%s}", key, index, json_data); if (ret < 0 || ret >= (int)sizeof(buffer)) { FURI_LOG_E("FlipperHTTP", "Failed to format JSON parse array command."); return false; } if (!flipper_http_send_data(fhttp, buffer)) { FURI_LOG_E("FlipperHTTP", "Failed to send JSON parse array command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to scan for WiFi networks /** * @brief Send a command to scan for WiFi networks. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_scan_wifi(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[WIFI/SCAN]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send WiFi scan command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to save WiFi settings (returns true if successful) /** * @brief Send a command to save WiFi settings. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_save_wifi(FlipperHTTP *fhttp, const char *ssid, const char *password) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!ssid || !password) { FURI_LOG_E("FlipperHTTP", "Invalid arguments provided to flipper_http_save_wifi."); return false; } char buffer[256]; int ret = snprintf( buffer, sizeof(buffer), "[WIFI/SAVE]{\"ssid\":\"%s\",\"password\":\"%s\"}", ssid, password); if (ret < 0 || ret >= (int)sizeof(buffer)) { FURI_LOG_E("FlipperHTTP", "Failed to format WiFi save command."); return false; } if (!flipper_http_send_data(fhttp, buffer)) { FURI_LOG_E("FlipperHTTP", "Failed to send WiFi save command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to get IP address of WiFi Devboard /** * @brief Send a command to get the IP address of the WiFi Devboard * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_ip_address(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[IP/ADDRESS]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send IP address command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to get IP address of the connected WiFi network /** * @brief Send a command to get the IP address of the connected WiFi network. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_ip_wifi(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[WIFI/IP]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send WiFi IP command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to disconnect from WiFi (returns true if successful) /** * @brief Send a command to disconnect from WiFi. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_disconnect_wifi(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[WIFI/DISCONNECT]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send WiFi disconnect command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to connect to WiFi (returns true if successful) /** * @brief Send a command to connect to WiFi. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_connect_wifi(FlipperHTTP *fhttp) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } const char *command = "[WIFI/CONNECT]"; if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send WiFi connect command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a GET request /** * @brief Send a GET request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the GET request to. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_get_request(FlipperHTTP *fhttp, const char *url) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url) { FURI_LOG_E("FlipperHTTP", "Invalid arguments provided to flipper_http_get_request."); return false; } // Prepare GET request command char command[512]; int ret = snprintf(command, sizeof(command), "[GET]%s", url); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E("FlipperHTTP", "Failed to format GET request command."); return false; } // Send GET request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send GET request command."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a GET request with headers /** * @brief Send a GET request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the GET request to. * @param headers The headers to send with the GET request. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_get_request_with_headers(FlipperHTTP *fhttp, const char *url, const char *headers) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url || !headers) { FURI_LOG_E( "FlipperHTTP", "Invalid arguments provided to flipper_http_get_request_with_headers."); return false; } // Prepare GET request command with headers char command[512]; int ret = snprintf( command, sizeof(command), "[GET/HTTP]{\"url\":\"%s\",\"headers\":%s}", url, headers); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E("FlipperHTTP", "Failed to format GET request command with headers."); return false; } // Send GET request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send GET request command with headers."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a GET request with headers and return bytes /** * @brief Send a GET request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the GET request to. * @param headers The headers to send with the GET request. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_get_request_bytes(FlipperHTTP *fhttp, const char *url, const char *headers) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url || !headers) { FURI_LOG_E("FlipperHTTP", "Invalid arguments provided to flipper_http_get_request_bytes."); return false; } // Prepare GET request command with headers char command[512]; int ret = snprintf( command, sizeof(command), "[GET/BYTES]{\"url\":\"%s\",\"headers\":%s}", url, headers); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E("FlipperHTTP", "Failed to format GET request command with headers."); return false; } // Send GET request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send GET request command with headers."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a POST request with headers /** * @brief Send a POST request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the POST request to. * @param headers The headers to send with the POST request. * @param data The data to send with the POST request. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_post_request_with_headers( FlipperHTTP *fhttp, const char *url, const char *headers, const char *payload) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url || !headers || !payload) { FURI_LOG_E( "FlipperHTTP", "Invalid arguments provided to flipper_http_post_request_with_headers."); return false; } // Prepare POST request command with headers and data char command[512]; int ret = snprintf( command, sizeof(command), "[POST/HTTP]{\"url\":\"%s\",\"headers\":%s,\"payload\":%s}", url, headers, payload); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E("FlipperHTTP", "Failed to format POST request command with headers and data."); return false; } // Send POST request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send POST request command with headers and data."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a POST request with headers and return bytes /** * @brief Send a POST request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the POST request to. * @param headers The headers to send with the POST request. * @param payload The data to send with the POST request. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_post_request_bytes(FlipperHTTP *fhttp, const char *url, const char *headers, const char *payload) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url || !headers || !payload) { FURI_LOG_E( "FlipperHTTP", "Invalid arguments provided to flipper_http_post_request_bytes."); return false; } // Prepare POST request command with headers and data char command[512]; int ret = snprintf( command, sizeof(command), "[POST/BYTES]{\"url\":\"%s\",\"headers\":%s,\"payload\":%s}", url, headers, payload); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E("FlipperHTTP", "Failed to format POST request command with headers and data."); return false; } // Send POST request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send POST request command with headers and data."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a PUT request with headers /** * @brief Send a PUT request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the PUT request to. * @param headers The headers to send with the PUT request. * @param data The data to send with the PUT request. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_put_request_with_headers( FlipperHTTP *fhttp, const char *url, const char *headers, const char *payload) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url || !headers || !payload) { FURI_LOG_E( "FlipperHTTP", "Invalid arguments provided to flipper_http_put_request_with_headers."); return false; } // Prepare PUT request command with headers and data char command[256]; int ret = snprintf( command, sizeof(command), "[PUT/HTTP]{\"url\":\"%s\",\"headers\":%s,\"payload\":%s}", url, headers, payload); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E("FlipperHTTP", "Failed to format PUT request command with headers and data."); return false; } // Send PUT request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send PUT request command with headers and data."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to send a DELETE request with headers /** * @brief Send a DELETE request to the specified URL. * @return true if the request was successful, false otherwise. * @param fhttp The FlipperHTTP context * @param url The URL to send the DELETE request to. * @param headers The headers to send with the DELETE request. * @param data The data to send with the DELETE request. * @note The received data will be handled asynchronously via the callback. */ bool flipper_http_delete_request_with_headers( FlipperHTTP *fhttp, const char *url, const char *headers, const char *payload) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (!url || !headers || !payload) { FURI_LOG_E( "FlipperHTTP", "Invalid arguments provided to flipper_http_delete_request_with_headers."); return false; } // Prepare DELETE request command with headers and data char command[256]; int ret = snprintf( command, sizeof(command), "[DELETE/HTTP]{\"url\":\"%s\",\"headers\":%s,\"payload\":%s}", url, headers, payload); if (ret < 0 || ret >= (int)sizeof(command)) { FURI_LOG_E( "FlipperHTTP", "Failed to format DELETE request command with headers and data."); return false; } // Send DELETE request via UART if (!flipper_http_send_data(fhttp, command)) { FURI_LOG_E("FlipperHTTP", "Failed to send DELETE request command with headers and data."); return false; } // The response will be handled asynchronously via the callback return true; } // Function to trim leading and trailing spaces and newlines from a constant string static char *trim(const char *str) { const char *end; char *trimmed_str; size_t len; // Trim leading space while (isspace((unsigned char)*str)) str++; // All spaces? if (*str == 0) return strdup(""); // Return an empty string if all spaces // Trim trailing space end = str + strlen(str) - 1; while (end > str && isspace((unsigned char)*end)) end--; // Set length for the trimmed string len = end - str + 1; // Allocate space for the trimmed string and null terminator trimmed_str = (char *)malloc(len + 1); if (trimmed_str == NULL) { return NULL; // Handle memory allocation failure } // Copy the trimmed part of the string into trimmed_str strncpy(trimmed_str, str, len); trimmed_str[len] = '\0'; // Null terminate the string return trimmed_str; } // Function to handle received data asynchronously /** * @brief Callback function to handle received data asynchronously. * @return void * @param line The received line. * @param context The FlipperHTTP context. * @note The received data will be handled asynchronously via the callback and handles the state of the UART. */ void flipper_http_rx_callback(const char *line, void *context) { FlipperHTTP *fhttp = (FlipperHTTP *)context; if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return; } if (!line) { FURI_LOG_E(HTTP_TAG, "Invalid arguments provided to flipper_http_rx_callback."); return; } // Trim the received line to check if it's empty char *trimmed_line = trim(line); if (trimmed_line != NULL && trimmed_line[0] != '\0') { // if the line is not [GET/END] or [POST/END] or [PUT/END] or [DELETE/END] if (strstr(trimmed_line, "[GET/END]") == NULL && strstr(trimmed_line, "[POST/END]") == NULL && strstr(trimmed_line, "[PUT/END]") == NULL && strstr(trimmed_line, "[DELETE/END]") == NULL) { strncpy(fhttp->last_response, trimmed_line, RX_BUF_SIZE); } } free(trimmed_line); // Free the allocated memory for trimmed_line if (fhttp->state != INACTIVE && fhttp->state != ISSUE) { fhttp->state = RECEIVING; } // Uncomment below line to log the data received over UART // FURI_LOG_I(HTTP_TAG, "Received UART line: %s", line); // Check if we've started receiving data from a GET request if (fhttp->started_receiving_get) { // Restart the timeout timer each time new data is received furi_timer_restart(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); if (strstr(line, "[GET/END]") != NULL) { FURI_LOG_I(HTTP_TAG, "GET request completed."); // Stop the timer since we've completed the GET request furi_timer_stop(fhttp->get_timeout_timer); fhttp->started_receiving_get = false; fhttp->just_started_get = false; fhttp->state = IDLE; fhttp->save_bytes = false; fhttp->save_received_data = false; if (fhttp->is_bytes_request) { // Search for the binary marker `[GET/END]` in the file buffer const char marker[] = "[GET/END]"; const size_t marker_len = sizeof(marker) - 1; // Exclude null terminator for (size_t i = 0; i <= fhttp->file_buffer_len - marker_len; i++) { // Check if the marker is found if (memcmp(&fhttp->file_buffer[i], marker, marker_len) == 0) { // Remove the marker by shifting the remaining data left size_t remaining_len = fhttp->file_buffer_len - (i + marker_len); memmove(&fhttp->file_buffer[i], &fhttp->file_buffer[i + marker_len], remaining_len); fhttp->file_buffer_len -= marker_len; break; } } // If there is data left in the buffer, append it to the file if (fhttp->file_buffer_len > 0) { if (!flipper_http_append_to_file(fhttp->file_buffer, fhttp->file_buffer_len, false, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file."); } fhttp->file_buffer_len = 0; } } fhttp->is_bytes_request = false; return; } // Append the new line to the existing data if (fhttp->save_received_data && !flipper_http_append_to_file( line, strlen(line), !fhttp->just_started_get, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file."); fhttp->started_receiving_get = false; fhttp->just_started_get = false; fhttp->state = IDLE; return; } if (!fhttp->just_started_get) { fhttp->just_started_get = true; } return; } // Check if we've started receiving data from a POST request else if (fhttp->started_receiving_post) { // Restart the timeout timer each time new data is received furi_timer_restart(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); if (strstr(line, "[POST/END]") != NULL) { FURI_LOG_I(HTTP_TAG, "POST request completed."); // Stop the timer since we've completed the POST request furi_timer_stop(fhttp->get_timeout_timer); fhttp->started_receiving_post = false; fhttp->just_started_post = false; fhttp->state = IDLE; fhttp->save_bytes = false; fhttp->save_received_data = false; if (fhttp->is_bytes_request) { // Search for the binary marker `[POST/END]` in the file buffer const char marker[] = "[POST/END]"; const size_t marker_len = sizeof(marker) - 1; // Exclude null terminator for (size_t i = 0; i <= fhttp->file_buffer_len - marker_len; i++) { // Check if the marker is found if (memcmp(&fhttp->file_buffer[i], marker, marker_len) == 0) { // Remove the marker by shifting the remaining data left size_t remaining_len = fhttp->file_buffer_len - (i + marker_len); memmove(&fhttp->file_buffer[i], &fhttp->file_buffer[i + marker_len], remaining_len); fhttp->file_buffer_len -= marker_len; break; } } // If there is data left in the buffer, append it to the file if (fhttp->file_buffer_len > 0) { if (!flipper_http_append_to_file(fhttp->file_buffer, fhttp->file_buffer_len, false, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file."); } fhttp->file_buffer_len = 0; } } fhttp->is_bytes_request = false; return; } // Append the new line to the existing data if (fhttp->save_received_data && !flipper_http_append_to_file( line, strlen(line), !fhttp->just_started_post, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file."); fhttp->started_receiving_post = false; fhttp->just_started_post = false; fhttp->state = IDLE; return; } if (!fhttp->just_started_post) { fhttp->just_started_post = true; } return; } // Check if we've started receiving data from a PUT request else if (fhttp->started_receiving_put) { // Restart the timeout timer each time new data is received furi_timer_restart(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); if (strstr(line, "[PUT/END]") != NULL) { FURI_LOG_I(HTTP_TAG, "PUT request completed."); // Stop the timer since we've completed the PUT request furi_timer_stop(fhttp->get_timeout_timer); fhttp->started_receiving_put = false; fhttp->just_started_put = false; fhttp->state = IDLE; fhttp->save_bytes = false; fhttp->is_bytes_request = false; fhttp->save_received_data = false; return; } // Append the new line to the existing data if (fhttp->save_received_data && !flipper_http_append_to_file( line, strlen(line), !fhttp->just_started_put, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file."); fhttp->started_receiving_put = false; fhttp->just_started_put = false; fhttp->state = IDLE; return; } if (!fhttp->just_started_put) { fhttp->just_started_put = true; } return; } // Check if we've started receiving data from a DELETE request else if (fhttp->started_receiving_delete) { // Restart the timeout timer each time new data is received furi_timer_restart(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); if (strstr(line, "[DELETE/END]") != NULL) { FURI_LOG_I(HTTP_TAG, "DELETE request completed."); // Stop the timer since we've completed the DELETE request furi_timer_stop(fhttp->get_timeout_timer); fhttp->started_receiving_delete = false; fhttp->just_started_delete = false; fhttp->state = IDLE; fhttp->save_bytes = false; fhttp->is_bytes_request = false; fhttp->save_received_data = false; return; } // Append the new line to the existing data if (fhttp->save_received_data && !flipper_http_append_to_file( line, strlen(line), !fhttp->just_started_delete, fhttp->file_path)) { FURI_LOG_E(HTTP_TAG, "Failed to append data to file."); fhttp->started_receiving_delete = false; fhttp->just_started_delete = false; fhttp->state = IDLE; return; } if (!fhttp->just_started_delete) { fhttp->just_started_delete = true; } return; } // Handle different types of responses if (strstr(line, "[SUCCESS]") != NULL || strstr(line, "[CONNECTED]") != NULL) { FURI_LOG_I(HTTP_TAG, "Operation succeeded."); } else if (strstr(line, "[INFO]") != NULL) { FURI_LOG_I(HTTP_TAG, "Received info: %s", line); if (fhttp->state == INACTIVE && strstr(line, "[INFO] Already connected to Wifi.") != NULL) { fhttp->state = IDLE; } } else if (strstr(line, "[GET/SUCCESS]") != NULL) { FURI_LOG_I(HTTP_TAG, "GET request succeeded."); fhttp->started_receiving_get = true; furi_timer_start(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); fhttp->state = RECEIVING; // for GET request, save data only if it's a bytes request fhttp->save_bytes = fhttp->is_bytes_request; fhttp->just_started_bytes = true; fhttp->file_buffer_len = 0; return; } else if (strstr(line, "[POST/SUCCESS]") != NULL) { FURI_LOG_I(HTTP_TAG, "POST request succeeded."); fhttp->started_receiving_post = true; furi_timer_start(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); fhttp->state = RECEIVING; // for POST request, save data only if it's a bytes request fhttp->save_bytes = fhttp->is_bytes_request; fhttp->just_started_bytes = true; fhttp->file_buffer_len = 0; return; } else if (strstr(line, "[PUT/SUCCESS]") != NULL) { FURI_LOG_I(HTTP_TAG, "PUT request succeeded."); fhttp->started_receiving_put = true; furi_timer_start(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); fhttp->state = RECEIVING; return; } else if (strstr(line, "[DELETE/SUCCESS]") != NULL) { FURI_LOG_I(HTTP_TAG, "DELETE request succeeded."); fhttp->started_receiving_delete = true; furi_timer_start(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); fhttp->state = RECEIVING; return; } else if (strstr(line, "[DISCONNECTED]") != NULL) { FURI_LOG_I(HTTP_TAG, "WiFi disconnected successfully."); } else if (strstr(line, "[ERROR]") != NULL) { FURI_LOG_E(HTTP_TAG, "Received error: %s", line); fhttp->state = ISSUE; return; } else if (strstr(line, "[PONG]") != NULL) { FURI_LOG_I(HTTP_TAG, "Received PONG response: Wifi Dev Board is still alive."); // send command to connect to WiFi if (fhttp->state == INACTIVE) { fhttp->state = IDLE; return; } } if (fhttp->state == INACTIVE && strstr(line, "[PONG]") != NULL) { fhttp->state = IDLE; } else if (fhttp->state == INACTIVE && strstr(line, "[PONG]") == NULL) { fhttp->state = INACTIVE; } else { fhttp->state = IDLE; } } /** * @brief Process requests and parse JSON data asynchronously * @param fhttp The FlipperHTTP context * @param http_request The function to send the request * @param parse_json The function to parse the JSON * @return true if successful, false otherwise */ bool flipper_http_process_response_async(FlipperHTTP *fhttp, bool (*http_request)(void), bool (*parse_json)(void)) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return false; } if (http_request()) // start the async request { furi_timer_start(fhttp->get_timeout_timer, TIMEOUT_DURATION_TICKS); fhttp->state = RECEIVING; } else { FURI_LOG_E(HTTP_TAG, "Failed to send request"); return false; } while (fhttp->state == RECEIVING && furi_timer_is_running(fhttp->get_timeout_timer) > 0) { // Wait for the request to be received furi_delay_ms(100); } furi_timer_stop(fhttp->get_timeout_timer); if (!parse_json()) // parse the JSON before switching to the view (synchonous) { FURI_LOG_E(HTTP_TAG, "Failed to parse the JSON..."); return false; } return true; } /** * @brief Perform a task while displaying a loading screen * @param fhttp The FlipperHTTP context * @param http_request The function to send the request * @param parse_response The function to parse the response * @param success_view_id The view ID to switch to on success * @param failure_view_id The view ID to switch to on failure * @param view_dispatcher The view dispatcher to use * @return */ void flipper_http_loading_task(FlipperHTTP *fhttp, bool (*http_request)(void), bool (*parse_response)(void), uint32_t success_view_id, uint32_t failure_view_id, ViewDispatcher **view_dispatcher) { if (!fhttp) { FURI_LOG_E(HTTP_TAG, "Failed to get context."); return; } if (fhttp->state == INACTIVE) { view_dispatcher_switch_to_view(*view_dispatcher, failure_view_id); return; } Loading *loading; int32_t loading_view_id = 987654321; // Random ID loading = loading_alloc(); if (!loading) { FURI_LOG_E(HTTP_TAG, "Failed to allocate loading"); view_dispatcher_switch_to_view(*view_dispatcher, failure_view_id); return; } view_dispatcher_add_view(*view_dispatcher, loading_view_id, loading_get_view(loading)); // Switch to the loading view view_dispatcher_switch_to_view(*view_dispatcher, loading_view_id); // Make the request if (!flipper_http_process_response_async(fhttp, http_request, parse_response)) { FURI_LOG_E(HTTP_TAG, "Failed to make request"); view_dispatcher_switch_to_view(*view_dispatcher, failure_view_id); view_dispatcher_remove_view(*view_dispatcher, loading_view_id); loading_free(loading); return; } // Switch to the success view view_dispatcher_switch_to_view(*view_dispatcher, success_view_id); view_dispatcher_remove_view(*view_dispatcher, loading_view_id); loading_free(loading); // comment this out if you experience a freeze }