839e52ac32
* Furi: remove CMSIS thread api, migrate to FuriThread, remove unused CMSIS APIs * Furi: magic thread catcher validating thread completion; backtrace improver * Furi: allow furi_thread_get_current_id outside of thread context * Furi: use IRQ instead of ISR for core primitives
276 lines
8.2 KiB
C
276 lines
8.2 KiB
C
#include <furi.h>
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#include <m-string.h>
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#include <gui/gui.h>
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#include <notification/notification.h>
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#include <notification/notification_messages.h>
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#include <gui/elements.h>
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#include <stream_buffer.h>
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#include <furi_hal_uart.h>
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#include <furi_hal_console.h>
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#include <gui/view_dispatcher.h>
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#include <gui/modules/dialog_ex.h>
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#define LINES_ON_SCREEN 6
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#define COLUMNS_ON_SCREEN 21
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typedef struct UartDumpModel UartDumpModel;
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typedef struct {
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Gui* gui;
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NotificationApp* notification;
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ViewDispatcher* view_dispatcher;
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View* view;
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FuriThread* worker_thread;
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StreamBufferHandle_t rx_stream;
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} UartEchoApp;
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typedef struct {
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string_t text;
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} ListElement;
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struct UartDumpModel {
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ListElement* list[LINES_ON_SCREEN];
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uint8_t line;
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char last_char;
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bool escape;
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};
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typedef enum {
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WorkerEventReserved = (1 << 0), // Reserved for StreamBuffer internal event
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WorkerEventStop = (1 << 1),
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WorkerEventRx = (1 << 2),
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} WorkerEventFlags;
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#define WORKER_EVENTS_MASK (WorkerEventStop | WorkerEventRx)
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const NotificationSequence sequence_notification = {
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&message_display_backlight_on,
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&message_green_255,
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&message_delay_10,
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NULL,
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};
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static void uart_echo_view_draw_callback(Canvas* canvas, void* _model) {
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UartDumpModel* model = _model;
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// Prepare canvas
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canvas_clear(canvas);
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canvas_set_color(canvas, ColorBlack);
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canvas_set_font(canvas, FontKeyboard);
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for(size_t i = 0; i < LINES_ON_SCREEN; i++) {
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canvas_draw_str(
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canvas,
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0,
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(i + 1) * (canvas_current_font_height(canvas) - 1),
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string_get_cstr(model->list[i]->text));
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if(i == model->line) {
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uint8_t width = canvas_string_width(canvas, string_get_cstr(model->list[i]->text));
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canvas_draw_box(
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canvas,
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width,
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(i) * (canvas_current_font_height(canvas) - 1) + 2,
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2,
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canvas_current_font_height(canvas) - 2);
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}
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}
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}
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static bool uart_echo_view_input_callback(InputEvent* event, void* context) {
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UNUSED(event);
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UNUSED(context);
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return false;
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}
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static uint32_t uart_echo_exit(void* context) {
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UNUSED(context);
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return VIEW_NONE;
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}
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static void uart_echo_on_irq_cb(UartIrqEvent ev, uint8_t data, void* context) {
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furi_assert(context);
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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UartEchoApp* app = context;
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if(ev == UartIrqEventRXNE) {
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xStreamBufferSendFromISR(app->rx_stream, &data, 1, &xHigherPriorityTaskWoken);
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furi_thread_flags_set(furi_thread_get_id(app->worker_thread), WorkerEventRx);
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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}
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}
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static void uart_echo_push_to_list(UartDumpModel* model, const char data) {
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if(model->escape) {
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// escape code end with letter
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if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z')) {
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model->escape = false;
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}
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} else if(data == '[' && model->last_char == '\e') {
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// "Esc[" is a escape code
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model->escape = true;
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} else if((data >= ' ' && data <= '~') || (data == '\n' || data == '\r')) {
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bool new_string_needed = false;
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if(string_size(model->list[model->line]->text) >= COLUMNS_ON_SCREEN) {
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new_string_needed = true;
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} else if((data == '\n' || data == '\r')) {
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// pack line breaks
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if(model->last_char != '\n' && model->last_char != '\r') {
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new_string_needed = true;
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}
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}
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if(new_string_needed) {
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if((model->line + 1) < LINES_ON_SCREEN) {
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model->line += 1;
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} else {
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ListElement* first = model->list[0];
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for(size_t i = 1; i < LINES_ON_SCREEN; i++) {
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model->list[i - 1] = model->list[i];
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}
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string_reset(first->text);
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model->list[model->line] = first;
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}
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}
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if(data != '\n' && data != '\r') {
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string_push_back(model->list[model->line]->text, data);
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}
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}
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model->last_char = data;
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}
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static int32_t uart_echo_worker(void* context) {
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furi_assert(context);
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UartEchoApp* app = context;
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while(1) {
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uint32_t events =
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furi_thread_flags_wait(WORKER_EVENTS_MASK, osFlagsWaitAny, osWaitForever);
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furi_check((events & osFlagsError) == 0);
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if(events & WorkerEventStop) break;
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if(events & WorkerEventRx) {
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size_t length = 0;
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do {
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uint8_t data[64];
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length = xStreamBufferReceive(app->rx_stream, data, 64, 0);
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if(length > 0) {
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furi_hal_uart_tx(FuriHalUartIdUSART1, data, length);
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with_view_model(
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app->view, (UartDumpModel * model) {
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for(size_t i = 0; i < length; i++) {
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uart_echo_push_to_list(model, data[i]);
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}
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return false;
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});
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}
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} while(length > 0);
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notification_message(app->notification, &sequence_notification);
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with_view_model(
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app->view, (UartDumpModel * model) {
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UNUSED(model);
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return true;
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});
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}
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}
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return 0;
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}
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static UartEchoApp* uart_echo_app_alloc() {
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UartEchoApp* app = malloc(sizeof(UartEchoApp));
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app->rx_stream = xStreamBufferCreate(2048, 1);
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// Gui
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app->gui = furi_record_open("gui");
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app->notification = furi_record_open("notification");
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// View dispatcher
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app->view_dispatcher = view_dispatcher_alloc();
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view_dispatcher_enable_queue(app->view_dispatcher);
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view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);
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// Views
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app->view = view_alloc();
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view_set_draw_callback(app->view, uart_echo_view_draw_callback);
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view_set_input_callback(app->view, uart_echo_view_input_callback);
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view_allocate_model(app->view, ViewModelTypeLocking, sizeof(UartDumpModel));
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with_view_model(
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app->view, (UartDumpModel * model) {
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for(size_t i = 0; i < LINES_ON_SCREEN; i++) {
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model->line = 0;
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model->escape = false;
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model->list[i] = malloc(sizeof(ListElement));
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string_init(model->list[i]->text);
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}
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return true;
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});
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view_set_previous_callback(app->view, uart_echo_exit);
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view_dispatcher_add_view(app->view_dispatcher, 0, app->view);
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view_dispatcher_switch_to_view(app->view_dispatcher, 0);
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// Enable uart listener
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furi_hal_console_disable();
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furi_hal_uart_set_br(FuriHalUartIdUSART1, 115200);
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furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, uart_echo_on_irq_cb, app);
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app->worker_thread = furi_thread_alloc();
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furi_thread_set_name(app->worker_thread, "UsbUartWorker");
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furi_thread_set_stack_size(app->worker_thread, 1024);
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furi_thread_set_context(app->worker_thread, app);
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furi_thread_set_callback(app->worker_thread, uart_echo_worker);
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furi_thread_start(app->worker_thread);
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return app;
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}
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static void uart_echo_app_free(UartEchoApp* app) {
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furi_assert(app);
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furi_thread_flags_set(furi_thread_get_id(app->worker_thread), WorkerEventStop);
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furi_thread_join(app->worker_thread);
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furi_thread_free(app->worker_thread);
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furi_hal_console_enable();
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// Free views
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view_dispatcher_remove_view(app->view_dispatcher, 0);
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with_view_model(
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app->view, (UartDumpModel * model) {
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for(size_t i = 0; i < LINES_ON_SCREEN; i++) {
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string_clear(model->list[i]->text);
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free(model->list[i]);
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}
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return true;
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});
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view_free(app->view);
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view_dispatcher_free(app->view_dispatcher);
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// Close gui record
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furi_record_close("gui");
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furi_record_close("notification");
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app->gui = NULL;
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vStreamBufferDelete(app->rx_stream);
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// Free rest
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free(app);
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}
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int32_t uart_echo_app(void* p) {
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UNUSED(p);
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UartEchoApp* app = uart_echo_app_alloc();
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view_dispatcher_run(app->view_dispatcher);
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uart_echo_app_free(app);
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return 0;
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}
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