extern void gui_write_EN1608(unsigned short x, unsigned short y, unsigned short CharColor, unsigned short BackColor,unsigned char num); extern void gui_write_string16(unsigned short x, unsigned short y, unsigned short CharColor, unsigned short BackColor, const unsigned char* p); extern void gui_write_hex16(unsigned short x, unsigned short y, unsigned short CharColor, unsigned short BackColor, unsigned char hex); extern void gui_write_num16(unsigned short x, unsigned short y, unsigned short CharColor, unsigned short BackColor, unsigned char num); extern void gui_write_num(unsigned short x, unsigned short y, unsigned short CharColor, unsigned short BackColor, unsigned short num, unsigned char bit); extern void gui_write_star(unsigned short x, unsigned short y, unsigned short CharColor, unsigned short BackColor);