Add main application logic and touch handling functionality
- Implemented main application entry point in main.cpp, initializing queues and event groups. - Created TouchHandler and EInkTouchHandler classes for handling touch events. - Added a minimal event loop for touch processing in touch.cpp. - Introduced unit tests for the hello world application in pytest_hello_world.py. - Added configuration files for CI and Wokwi support. - Created empty header files for network and UI modules.
This commit is contained in:
GW_MC
175
main/main.cpp
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175
main/main.cpp
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/*
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* SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: CC0-1.0
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*/
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#include <stdio.h>
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#include <inttypes.h>
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#include <stdexcept>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_chip_info.h"
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#include "esp_flash.h"
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#include "esp_system.h"
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//
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#include "common/constants.h"
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#include "common/queue_defs.h"
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#include "info/info.h"
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#include "display/display.h"
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#include "touch/touch.h"
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#include <tick/lv_tick.h>
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extern "C" void app_main(void);
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void init_queues(
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QueueHandle_t& touch_queue,
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EventGroupHandle_t& system_event_group,
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EventGroupHandle_t& system_lifecycle_event_group
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);
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void app_main(void) {
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display_chip_info();
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try {
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QueueHandle_t touch_event_queue = NULL;
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EventGroupHandle_t system_event_group = NULL, system_lifecycle_event_group = NULL;
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init_queues(touch_event_queue, system_event_group, system_lifecycle_event_group);
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if (touch_event_queue == NULL || system_event_group == NULL || system_lifecycle_event_group == NULL) {
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throw std::runtime_error("Failed to create one or more queues/event groups");
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}
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printf("Queues initialized.\n");
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SemaphoreHandle_t lvgl_mutex = xSemaphoreCreateMutex();
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if (lvgl_mutex == NULL) {
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throw std::runtime_error("Failed to create LVGL mutex");
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}
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//
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DisplayHandler* display_handler = new EInkDisplayHandler(touch_event_queue, lvgl_mutex);
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TouchHandler* touch_handler = new EInkTouchHandler(touch_event_queue);
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//
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display_handler->init(system_event_group);
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touch_handler->init(system_event_group);
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//
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// LVGL tick timer
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auto lvgl_tick_timer_callback = [](TimerHandle_t xTimer) {
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lv_tick_inc(5);
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};
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TimerHandle_t lvgl_tick_timer = xTimerCreate(
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"lvgl_tick_timer",
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pdMS_TO_TICKS(5),
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pdTRUE,
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NULL,
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lvgl_tick_timer_callback
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);
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if (lvgl_tick_timer == NULL) {
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throw std::runtime_error("Failed to create LVGL tick timer");
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}
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xTimerStart(lvgl_tick_timer, 0);
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//
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printf("Waiting for system to be ready...\n");
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xEventGroupWaitBits(
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system_event_group,
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DISPLAY_READY_BIT | TOUCH_CALIBRATED_BIT,
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pdFALSE,
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pdTRUE,
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portMAX_DELAY
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);
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printf("System is ready. Starting main application...\n");
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// starting event loops
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display_handler->start_event_loop();
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touch_handler->start_event_loop();
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// wait for shutdown signal
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EventBits_t bits = xEventGroupWaitBits(
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system_event_group,
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SYSTEM_SHUTDOWN_BIT | SYSTEM_RESTART_BIT,
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// do not clear on exit, require explicit reset
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pdFALSE,
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pdFALSE,
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portMAX_DELAY
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);
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printf("Shutdown signal received. Cleaning up...\n");
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// cleanup
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shutdown_display_handlerFunc shutdown_display_handler = display_handler->get_shutdown_display_handler();
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restart_display_handlerFunc restart_display_handler = display_handler->get_restart_display_handler();
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delete display_handler;
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delete touch_handler;
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vSemaphoreDelete(lvgl_mutex);
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vEventGroupDelete(system_event_group);
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vQueueDelete(touch_event_queue);
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printf("Cleanup complete.\n");
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// handle shutdown or restart
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if (bits & SYSTEM_SHUTDOWN_BIT) {
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if (shutdown_display_handler != nullptr) {
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printf("Calling display shutdown handler...\n");
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shutdown_display_handler();
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} else {
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printf("No display shutdown handler to call.\n");
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}
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printf("System is shutting down.\n");
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fflush(stdout);
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// wait for start bit to be set again if future restart is desired, else expect manual power cycle
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EventBits_t bits = xEventGroupWaitBits(
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system_lifecycle_event_group,
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SYSTEM_START_BIT,
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pdFALSE,
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pdFALSE,
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portMAX_DELAY
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);
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} else if (bits & SYSTEM_RESTART_BIT) {
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if (restart_display_handler != nullptr) {
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printf("Calling display restart handler...\n");
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restart_display_handler();
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} else {
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printf("No display restart handler to call.\n");
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}
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printf("System is restarting.\n");
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fflush(stdout);
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} else {
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printf("Unknown shutdown signal received. Restarting by default.\n");
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fflush(stdout);
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}
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return esp_restart();
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}
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catch (const std::exception& e) {
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printf("Exception occurred during initialization: %s\n", e.what());
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printf("System will restart due to the error.\n");
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for (int i = 5; i >= 0; --i) {
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printf("Restarting in %d seconds...\n", i);
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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}
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printf("Restarting now.\n");
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fflush(stdout);
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return esp_restart();
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}
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printf("Reached end of app_main unexpectedly.\n");
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printf("System will restart in 10 seconds...\n");
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for (int i = 10; i >= 0; --i) {
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printf("Restarting in %d seconds...\n", i);
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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}
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printf("Restarting now.\n");
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fflush(stdout);
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return esp_restart();
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}
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void init_queues(
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QueueHandle_t& touch_queue,
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EventGroupHandle_t& system_event_group,
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EventGroupHandle_t& system_lifecycle_event_group
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) {
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// Implementation of queue initialization
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touch_queue = xQueueCreate(10, sizeof(touch_event_t));
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system_event_group = xEventGroupCreate();
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system_lifecycle_event_group = xEventGroupCreate();
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}
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