display.h

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#pragma once
 
#include <stdbool.h>
#include <stdint.h>
 
#include "esp_err.h"
 
#include "gfx.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    bool backlight_on;    
} display_config_t;

#define DISPLAY_CONFIG_DEFAULT()             \
    (display_config_t) {                     \
        .backlight_on = true,                \
    }

esp_err_t display_init(const display_config_t *cfg);

esp_err_t display_deinit(void);

gfx_canvas_t *display_canvas(void);

esp_err_t display_flip(void);

esp_err_t display_wait_vsync(uint32_t timeout_ms);

int display_width(void);

int display_height(void);

int display_back_index(void);

uint32_t display_last_wait_us(void);

uint32_t display_frame_count(void);
float display_fps(void);

uint32_t display_vsync_count(void);

void display_set_turned(bool turned);

bool display_turned(void);

bool display_take_repaint(void);

bool display_take_turn_alert(void);

uint32_t display_last_turn_us(void);

esp_err_t display_backlight(bool on);
 
#ifdef __cplusplus
}
#endif