142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
#include <furi_hal.h>
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#include <gui/gui.h>
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#include <gui/modules/submenu.h>
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#include <gui/view_dispatcher.h>
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#include <gui/canvas.h>
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#include <input/input.h>
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#include "uart_helper.h"
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#define DEVICE_BAUDRATE 115200
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#define LINE_DELIMITER '\n'
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#define INCLUDE_LINE_DELIMITER false
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typedef struct {
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Gui* gui;
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ViewDispatcher* view_dispatcher;
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Submenu* submenu;
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uint32_t index;
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UartHelper* uart_helper;
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FuriString* message2;
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} UartDemoApp;
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typedef enum {
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UartDemoSubMenuViewId = 1,
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} UartDemoViewIds;
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/**
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* This callback function is called when a submenu item is clicked.
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*
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* @param context The context passed to the submenu.
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* @param index The index of the submenu item that was clicked.
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*/
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static void uart_demo_submenu_item_callback(void* context, uint32_t index);
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/**
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* Adds the default submenu entries.
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*
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* @param submenu The submenu.
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* @param context The context to pass to the submenu item callback function.
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*/
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static void uart_demo_submenu_add_default_entries(Submenu* submenu, void* context) {
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UartDemoApp* app = context;
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submenu_reset(submenu);
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submenu_add_item(submenu, "Clear", 0, uart_demo_submenu_item_callback, context);
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submenu_add_item(submenu, "Send Msg 1", 1, uart_demo_submenu_item_callback, context);
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submenu_add_item(submenu, "Send Msg 2", 2, uart_demo_submenu_item_callback, context);
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app->index = 3;
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}
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static void uart_demo_submenu_item_callback(void* context, uint32_t index) {
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UartDemoApp* app = context;
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if(index == 0) {
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// Clear the submenu and add the default entries.
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uart_demo_submenu_add_default_entries(app->submenu, app);
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} else if(index == 1) {
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// Send a "Hello World!" message over the UART.
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uart_helper_send(app->uart_helper, "Hello World!\n", 13);
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} else if(index == 2) {
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furi_string_printf(app->message2, "Index is %ld.\n", app->index);
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uart_helper_send_string(app->uart_helper, app->message2);
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} else {
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// The item was received data.
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}
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}
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static void uart_demo_process_line(FuriString* line, void* context) {
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UartDemoApp* app = context;
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submenu_add_item(
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app->submenu,
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furi_string_get_cstr(line),
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app->index++,
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uart_demo_submenu_item_callback,
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app);
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}
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static bool uart_demo_navigation_callback(void* context) {
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UNUSED(context);
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// We don't want to handle any navigation events, the back button should exit the app.
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return true;
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}
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static uint32_t uart_demo_exit(void* context) {
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UNUSED(context);
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// Exit the app.
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return VIEW_NONE;
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}
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static UartDemoApp* uart_demo_app_alloc() {
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UartDemoApp* app = malloc(sizeof(UartDemoApp));
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// Initialize the GUI. Create a view dispatcher and attach it to the GUI.
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// Create a submenu, add default entries and add the submenu to the view
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// dispatcher. Set the submenu as the current view.
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app->gui = furi_record_open(RECORD_GUI);
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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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app->submenu = submenu_alloc();
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uart_demo_submenu_add_default_entries(app->submenu, app);
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view_dispatcher_add_view(
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app->view_dispatcher, UartDemoSubMenuViewId, submenu_get_view(app->submenu));
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view_set_previous_callback(submenu_get_view(app->submenu), uart_demo_exit);
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view_dispatcher_set_navigation_event_callback(
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app->view_dispatcher, uart_demo_navigation_callback);
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view_dispatcher_switch_to_view(app->view_dispatcher, UartDemoSubMenuViewId);
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// Allocate a string to store the second message.
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app->message2 = furi_string_alloc();
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// Initialize the UART helper.
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app->uart_helper = uart_helper_alloc();
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uart_helper_set_baud_rate(app->uart_helper, DEVICE_BAUDRATE);
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uart_helper_set_delimiter(app->uart_helper, LINE_DELIMITER, INCLUDE_LINE_DELIMITER);
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uart_helper_set_callback(app->uart_helper, uart_demo_process_line, app);
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return app;
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}
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static void uart_demo_app_free(UartDemoApp* app) {
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uart_helper_free(app->uart_helper);
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furi_string_free(app->message2);
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view_dispatcher_remove_view(app->view_dispatcher, UartDemoSubMenuViewId);
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view_dispatcher_free(app->view_dispatcher);
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submenu_free(app->submenu);
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furi_record_close(RECORD_GUI);
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free(app);
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}
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int32_t uart_demo_main(void* p) {
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UNUSED(p);
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UartDemoApp* app = uart_demo_app_alloc();
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view_dispatcher_run(app->view_dispatcher);
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uart_demo_app_free(app);
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return 0;
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} |