void LCDSetPixel(unsigned char x, unsigned char y, unsigned char color);
void LCDString (char *lcd_string, const char *font_style,unsigned char x, unsigned char y, unsigned char fcolor, unsigned char bcolor);
void LCDFill (unsigned char xs,unsigned char ys,unsigned char width,unsigned char height, unsigned char color);
void LCDSetPixel(unsigned char x, unsigned char y, unsigned char color);
void LCDString (char *lcd_string, const char *font_style,unsigned char x, unsigned char y, unsigned char fcolor, unsigned char bcolor);
void LCDFill (unsigned char xs,unsigned char ys,unsigned char width,unsigned char height, unsigned char color);