#ifndef __EPAPER_H
#define __EPAPER_H

#ifdef __cplusplus
extern "C"
{
#endif

#include "at32f403a_407.h"

#define EPD_W 122
#define EPD_H 250

#define EPD_OK 0
#define EPD_ERROR 1

#define EPD_ROTATE_0 0
#define EPD_ROTATE_90 90
#define EPD_ROTATE_180 180
#define EPD_ROTATE_270 270

#define EPD_COLOR_WHITE 0xFF
#define EPD_COLOR_BLACK 0x00
#define EPD_COLOR_RED EPD_COLOR_BLACK

#define EPD_FONT_SIZE8x6 (8)
#define EPD_FONT_SIZE12x6 (12)
#define EPD_FONT_SIZE16x8 (16)
#define EPD_FONT_SIZE24x12 (24)

#define EPD_DEEPSLEEP_MODE1 (0x01)
#define EPD_DEEPSLEEP_MODE2 (0x03)

    typedef struct
    {
        uint8_t *Image;
        uint16_t Width;
        uint16_t Height;
        uint16_t WidthMemory;
        uint16_t HeightMemory;
        uint16_t Color;
        uint16_t Rotate;
        uint16_t WidthByte;
        uint16_t HeightByte;
    } EPD_PAINT;
    extern EPD_PAINT EPD_Paint;

    void epd_io_init(void);
    uint8_t epd_init(void);
    void epd_enter_deepsleepmode(uint8_t mode);
    void epd_init_internalTempSensor(void);
    int32_t epd_get_internalTempSensor(void);
    void epd_update(void);
    void epd_display(uint8_t *Image1, uint8_t *Image2);
    void epd_displayBW(uint8_t *Image);
    void epd_displayRED(uint8_t *Image);
    
    void epd_paint_newimage(uint8_t *image, uint16_t Width, uint16_t Height, uint16_t Rotate, uint16_t Color);
    void epd_paint_setpixel(uint16_t Xpoint, uint16_t Ypoint, uint16_t Color);
    void epd_paint_selectimage(uint8_t *image);
    void epd_paint_clear(uint16_t color);
    void epd_paint_drawPoint(uint16_t Xpoint, uint16_t Ypoint, uint16_t Color);
    void epd_paint_drawLine(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend, uint16_t Color);
    void epd_paint_drawRectangle(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend, uint16_t Color, uint8_t mode);
    void epd_paint_drawCircle(uint16_t X_Center, uint16_t Y_Center, uint16_t Radius, uint16_t Color, uint8_t mode);
    void epd_paint_showChar(uint16_t x, uint16_t y, uint16_t chr, uint16_t size1, uint16_t color);
    void epd_paint_showString(uint16_t x, uint16_t y, uint8_t *chr, uint16_t size1, uint16_t color);
    void epd_paint_showNum(uint16_t x, uint16_t y, uint32_t num, uint16_t len, uint16_t size1, uint16_t color);
    void epd_paint_showChinese(uint16_t x, uint16_t y, uint16_t num, uint16_t size1, uint16_t color);
    void epd_paint_showPicture(uint16_t x, uint16_t y, uint16_t sizex, uint16_t sizey, const uint8_t BMP[], uint16_t Color);

#ifdef __cplusplus
}
#endif

#endif