xiaozhi-esp32/main/display/lcd_display.h

#ifndef LCD_DISPLAY_H
#define LCD_DISPLAY_H

#include "display.h"

#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
#include <freertos/task.h>
#include <driver/gpio.h>
#include <esp_lcd_panel_io.h>
#include <esp_lcd_panel_ops.h>
#include <esp_timer.h>
#include <font_emoji.h>

#include <atomic>

class LcdDisplay : public Display {
protected:
    esp_lcd_panel_io_handle_t panel_io_ = nullptr;
    esp_lcd_panel_handle_t panel_ = nullptr;
    gpio_num_t backlight_pin_ = GPIO_NUM_NC;
    bool backlight_output_invert_ = false;
    
    lv_draw_buf_t draw_buf_;
    lv_obj_t* status_bar_ = nullptr;
    lv_obj_t* content_ = nullptr;
    lv_obj_t* container_ = nullptr;
    lv_obj_t* side_bar_ = nullptr;

    DisplayFonts fonts_;

    esp_timer_handle_t backlight_timer_ = nullptr;
    uint8_t current_brightness_ = 0;
    void OnBacklightTimer();
    void InitializeBacklight(gpio_num_t backlight_pin);

    virtual void SetupUI();
    virtual bool Lock(int timeout_ms = 0) override;
    virtual void Unlock() override;

public:
    LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
                  gpio_num_t backlight_pin, bool backlight_output_invert,
                  int width, int height,  int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy,
                  DisplayFonts fonts);
    ~LcdDisplay();

    virtual void SetEmotion(const std::string &emotion) override;
    virtual void SetIcon(const char* icon) override;
    virtual void SetBacklight(uint8_t brightness) override;
};

#endif // LCD_DISPLAY_H