// COLOR defines (Only 8 but actually this epapers have 16 levels)
#define EPD_WHITE 255
#define EPD_WHITISH 223
#define EPD_SLGRAY 200
#define EPD_LGRAY 150
#define EPD_GRAY 100
#define EPD_DGRAY 50
#define EPD_SDGRAY 25
#define EPD_BLACK 0