forked from xiaozhi/xiaozhi-esp32
374 lines
13 KiB
C++
374 lines
13 KiB
C++
#include "ili9341_display.h"
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#include "font_awesome_symbols.h"
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#include <esp_log.h>
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#include <esp_err.h>
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#include <driver/ledc.h>
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#include <vector>
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#define TAG "Ili9341Display"
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#define LCD_LEDC_CH LEDC_CHANNEL_0
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#define ILI9341_LVGL_TICK_PERIOD_MS 2
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#define ILI9341_LVGL_TASK_MAX_DELAY_MS 20
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#define ILI9341_LVGL_TASK_MIN_DELAY_MS 1
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#define ILI9341_LVGL_TASK_STACK_SIZE (4 * 1024)
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#define ILI9341_LVGL_TASK_PRIORITY 10
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LV_FONT_DECLARE(font_puhui_14_1);
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LV_FONT_DECLARE(font_awesome_30_1);
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LV_FONT_DECLARE(font_awesome_14_1);
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static lv_disp_drv_t disp_drv;
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static void ili9341_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
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{
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esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
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int offsetx1 = area->x1;
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int offsetx2 = area->x2;
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int offsety1 = area->y1;
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int offsety2 = area->y2;
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// copy a buffer's content to a specific area of the display
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esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1, offsety2 + 1, color_map);
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lv_disp_flush_ready(&disp_drv);
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}
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/* Rotate display and touch, when rotated screen in LVGL. Called when driver parameters are updated. */
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static void ili9341_lvgl_port_update_callback(lv_disp_drv_t *drv)
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{
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esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
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switch (drv->rotated)
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{
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case LV_DISP_ROT_NONE:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, false);
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esp_lcd_panel_mirror(panel_handle, true, false);
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#if CONFIG_ILI9341_LCD_TOUCH_ENABLED
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// Rotate LCD touch
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esp_lcd_touch_set_mirror_y(tp, false);
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esp_lcd_touch_set_mirror_x(tp, false);
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#endif
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break;
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case LV_DISP_ROT_90:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, true);
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esp_lcd_panel_mirror(panel_handle, true, true);
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#if CONFIG_ILI9341_LCD_TOUCH_ENABLED
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// Rotate LCD touch
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esp_lcd_touch_set_mirror_y(tp, false);
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esp_lcd_touch_set_mirror_x(tp, false);
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#endif
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break;
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case LV_DISP_ROT_180:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, false);
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esp_lcd_panel_mirror(panel_handle, false, true);
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#if CONFIG_ILI9341_LCD_TOUCH_ENABLED
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// Rotate LCD touch
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esp_lcd_touch_set_mirror_y(tp, false);
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esp_lcd_touch_set_mirror_x(tp, false);
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#endif
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break;
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case LV_DISP_ROT_270:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, true);
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esp_lcd_panel_mirror(panel_handle, false, false);
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#if CONFIG_ILI9341_LCD_TOUCH_ENABLED
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// Rotate LCD touch
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esp_lcd_touch_set_mirror_y(tp, false);
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esp_lcd_touch_set_mirror_x(tp, false);
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#endif
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break;
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}
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}
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void Ili9341Display::LvglTask() {
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ESP_LOGI(TAG, "Starting LVGL task");
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uint32_t task_delay_ms = ILI9341_LVGL_TASK_MAX_DELAY_MS;
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while (1)
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{
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// Lock the mutex due to the LVGL APIs are not thread-safe
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if (Lock())
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{
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task_delay_ms = lv_timer_handler();
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Unlock();
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}
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if (task_delay_ms > ILI9341_LVGL_TASK_MAX_DELAY_MS)
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{
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task_delay_ms = ILI9341_LVGL_TASK_MAX_DELAY_MS;
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}
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else if (task_delay_ms < ILI9341_LVGL_TASK_MIN_DELAY_MS)
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{
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task_delay_ms = ILI9341_LVGL_TASK_MIN_DELAY_MS;
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}
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vTaskDelay(pdMS_TO_TICKS(task_delay_ms));
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}
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}
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Ili9341Display::Ili9341Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
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gpio_num_t backlight_pin, bool backlight_output_invert,
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int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
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: panel_io_(panel_io), panel_(panel), backlight_pin_(backlight_pin), backlight_output_invert_(backlight_output_invert),
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mirror_x_(mirror_x), mirror_y_(mirror_y), swap_xy_(swap_xy){
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width_ = width;
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height_ = height;
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offset_x_ = offset_x;
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offset_y_ = offset_y;
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InitializeBacklight(backlight_pin);
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// draw white
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std::vector<uint16_t> buffer(width_, 0xFFFF);
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for (int y = 0; y < height_; y++) {
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esp_lcd_panel_draw_bitmap(panel_, 0, y, width_, y + 1, buffer.data());
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}
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// Set the display to on
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ESP_LOGI(TAG, "Turning display on");
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ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_, true));
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ESP_LOGI(TAG, "Initialize LVGL library");
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lv_init();
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// alloc draw buffers used by LVGL
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static lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
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// it's recommended to choose the size of the draw buffer(s) to be at least 1/10 screen sized
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lv_color_t *buf1 = (lv_color_t *)heap_caps_malloc(width_ * 10 * sizeof(lv_color_t), MALLOC_CAP_DMA);
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assert(buf1);
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lv_color_t *buf2 = (lv_color_t *)heap_caps_malloc(width_ * 10 * sizeof(lv_color_t), MALLOC_CAP_DMA);
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assert(buf2);
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// initialize LVGL draw buffers
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lv_disp_draw_buf_init(&disp_buf, buf1, buf2, width_ * 10);
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ESP_LOGI(TAG, "Register display driver to LVGL");
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lv_disp_drv_init(&disp_drv);
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disp_drv.hor_res = width_;
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disp_drv.ver_res = height_;
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disp_drv.offset_x = offset_x_;
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disp_drv.offset_y = offset_y_;
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disp_drv.flush_cb = ili9341_lvgl_flush_cb;
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disp_drv.drv_update_cb = ili9341_lvgl_port_update_callback;
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disp_drv.draw_buf = &disp_buf;
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disp_drv.user_data = panel_;
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lv_disp_drv_register(&disp_drv);
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ESP_LOGI(TAG, "Install LVGL tick timer");
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// Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
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const esp_timer_create_args_t lvgl_tick_timer_args = {
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.callback = [](void* arg) {
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lv_tick_inc(ILI9341_LVGL_TICK_PERIOD_MS);
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},
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.arg = NULL,
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.dispatch_method = ESP_TIMER_TASK,
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.name = "LVGL Tick Timer",
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.skip_unhandled_events = false
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};
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ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer_));
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ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer_, ILI9341_LVGL_TICK_PERIOD_MS * 1000));
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lvgl_mutex_ = xSemaphoreCreateRecursiveMutex();
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assert(lvgl_mutex_ != nullptr);
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ESP_LOGI(TAG, "Create LVGL task");
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xTaskCreate([](void *arg) {
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static_cast<Ili9341Display*>(arg)->LvglTask();
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vTaskDelete(NULL);
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}, "LVGL", ILI9341_LVGL_TASK_STACK_SIZE, this, ILI9341_LVGL_TASK_PRIORITY, NULL);
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SetBacklight(100);
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SetupUI();
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}
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Ili9341Display::~Ili9341Display() {
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ESP_ERROR_CHECK(esp_timer_stop(lvgl_tick_timer_));
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ESP_ERROR_CHECK(esp_timer_delete(lvgl_tick_timer_));
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if (network_label_ != nullptr) {
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lv_obj_del(ai_messge_label_);
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lv_obj_del(user_messge_label_);
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}
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if (content_ != nullptr) {
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lv_obj_del(content_);
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}
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if (status_bar_ != nullptr) {
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lv_obj_del(status_bar_);
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}
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if (side_bar_ != nullptr) {
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lv_obj_del(side_bar_);
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}
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if (container_ != nullptr) {
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lv_obj_del(container_);
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}
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if (panel_ != nullptr) {
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esp_lcd_panel_del(panel_);
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}
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if (panel_io_ != nullptr) {
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esp_lcd_panel_io_del(panel_io_);
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}
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vSemaphoreDelete(lvgl_mutex_);
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}
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void Ili9341Display::InitializeBacklight(gpio_num_t backlight_pin) {
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if (backlight_pin == GPIO_NUM_NC) {
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return;
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}
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// Setup LEDC peripheral for PWM backlight control
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const ledc_channel_config_t backlight_channel = {
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.gpio_num = backlight_pin,
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.speed_mode = LEDC_LOW_SPEED_MODE,
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.channel = LCD_LEDC_CH,
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.intr_type = LEDC_INTR_DISABLE,
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.timer_sel = LEDC_TIMER_0,
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.duty = 0,
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.hpoint = 0,
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.flags = {
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.output_invert = backlight_output_invert_,
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}
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};
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const ledc_timer_config_t backlight_timer = {
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.speed_mode = LEDC_LOW_SPEED_MODE,
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.duty_resolution = LEDC_TIMER_10_BIT,
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.timer_num = LEDC_TIMER_0,
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.freq_hz = 5000,
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.clk_cfg = LEDC_AUTO_CLK,
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.deconfigure = false
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};
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ESP_ERROR_CHECK(ledc_timer_config(&backlight_timer));
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ESP_ERROR_CHECK(ledc_channel_config(&backlight_channel));
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}
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void Ili9341Display::SetBacklight(uint8_t brightness) {
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if (backlight_pin_ == GPIO_NUM_NC) {
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return;
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}
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if (brightness > 100) {
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brightness = 100;
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}
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ESP_LOGI(TAG, "Setting LCD backlight: %d%%", brightness);
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// LEDC resolution set to 10bits, thus: 100% = 1023
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uint32_t duty_cycle = (1023 * brightness) / 100;
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH, duty_cycle));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH));
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}
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bool Ili9341Display::Lock(int timeout_ms) {
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// Convert timeout in milliseconds to FreeRTOS ticks
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// If `timeout_ms` is set to 0, the program will block until the condition is met
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const TickType_t timeout_ticks = (timeout_ms == 0) ? portMAX_DELAY : pdMS_TO_TICKS(timeout_ms);
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return xSemaphoreTakeRecursive(lvgl_mutex_, timeout_ticks) == pdTRUE;
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}
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void Ili9341Display::Unlock() {
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xSemaphoreGiveRecursive(lvgl_mutex_);
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}
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void Ili9341Display::SetChatMessage(const std::string &role, const std::string &content) {
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if (ai_messge_label_== nullptr || user_messge_label_== nullptr) {
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return;
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}
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DisplayLockGuard lock(this);
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ESP_LOGI(TAG,"role:%s",role.c_str());
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if(role=="assistant")
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{
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std::string new_content = "AI:" + content;
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lv_label_set_text(ai_messge_label_, new_content.c_str());
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}
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else if(role=="user")
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{
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std::string new_content = "User:" + content;
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lv_label_set_text(user_messge_label_, new_content.c_str());
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}
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else{
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std::string new_content = "AI:";
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lv_label_set_text(ai_messge_label_, new_content.c_str());
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new_content="User:";
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lv_label_set_text(user_messge_label_, new_content.c_str());
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}
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}
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void Ili9341Display::SetupUI() {
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DisplayLockGuard lock(this);
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auto screen = lv_disp_get_scr_act(lv_disp_get_default());
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lv_obj_set_style_text_font(screen, &font_puhui_14_1, 0);
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lv_obj_set_style_text_color(screen, lv_color_black(), 0);
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/* Container */
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container_ = lv_obj_create(screen);
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lv_obj_set_size(container_, LV_HOR_RES, LV_VER_RES);
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lv_obj_set_flex_flow(container_, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_pad_all(container_, 0, 0);
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lv_obj_set_style_border_width(container_, 0, 0);
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lv_obj_set_style_pad_row(container_, 0, 0);
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/* Status bar */
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status_bar_ = lv_obj_create(container_);
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lv_obj_set_size(status_bar_, LV_HOR_RES, 18);
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lv_obj_set_style_radius(status_bar_, 0, 0);
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/* Content */
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content_ = lv_obj_create(container_);
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lv_obj_set_scrollbar_mode(content_, LV_SCROLLBAR_MODE_OFF);
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lv_obj_set_style_radius(content_, 0, 0);
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lv_obj_set_width(content_, LV_HOR_RES);
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lv_obj_set_flex_grow(content_, 1);
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emotion_label_ = lv_label_create(content_);
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lv_obj_set_style_text_font(emotion_label_, &font_awesome_30_1, 0);
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lv_label_set_text(emotion_label_, FONT_AWESOME_AI_CHIP);
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//lv_obj_center(emotion_label_);
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lv_obj_align(emotion_label_,LV_ALIGN_TOP_MID, 0, -10); // 左侧居中，向右偏移10个单位
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static lv_style_t style_msg;
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lv_style_init(&style_msg);
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lv_style_set_width(&style_msg, LV_HOR_RES-25);
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user_messge_label_ = lv_label_create(content_);
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lv_obj_set_style_text_font(user_messge_label_, &font_puhui_14_1, 0);
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lv_label_set_text(user_messge_label_, "User:");
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lv_obj_add_style(user_messge_label_, &style_msg, 0);
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lv_obj_align(user_messge_label_,LV_ALIGN_TOP_LEFT, 2, 25);
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ai_messge_label_ = lv_label_create(content_);
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lv_obj_set_style_text_font(ai_messge_label_, &font_puhui_14_1, 0);
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lv_label_set_text(ai_messge_label_, "AI:");
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lv_obj_add_style(ai_messge_label_, &style_msg, 0);
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lv_obj_align(ai_messge_label_,LV_ALIGN_TOP_LEFT, 2, 77);
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/* Status bar */
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lv_obj_set_flex_flow(status_bar_, LV_FLEX_FLOW_ROW);
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lv_obj_set_style_pad_all(status_bar_, 0, 0);
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lv_obj_set_style_border_width(status_bar_, 0, 0);
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lv_obj_set_style_pad_column(status_bar_, 0, 0);
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network_label_ = lv_label_create(status_bar_);
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lv_label_set_text(network_label_, "");
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lv_obj_set_style_text_font(network_label_, &font_awesome_14_1, 0);
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notification_label_ = lv_label_create(status_bar_);
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lv_obj_set_flex_grow(notification_label_, 1);
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lv_obj_set_style_text_align(notification_label_, LV_TEXT_ALIGN_CENTER, 0);
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lv_label_set_text(notification_label_, "通知");
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lv_obj_add_flag(notification_label_, LV_OBJ_FLAG_HIDDEN);
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status_label_ = lv_label_create(status_bar_);
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lv_obj_set_flex_grow(status_label_, 1);
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lv_label_set_text(status_label_, "正在初始化");
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lv_obj_set_style_text_align(status_label_, LV_TEXT_ALIGN_CENTER, 0);
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mute_label_ = lv_label_create(status_bar_);
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lv_label_set_text(mute_label_, "");
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lv_obj_set_style_text_font(mute_label_, &font_awesome_14_1, 0);
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battery_label_ = lv_label_create(status_bar_);
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lv_label_set_text(battery_label_, "");
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lv_obj_set_style_text_font(battery_label_, &font_awesome_14_1, 0);
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} |