voidLcd12864_Config_OUT(void);voidLcd12864_Config_IN(void);voidLcd12864_Init(void);voidwrite_com(ucharcmdcode);voidwrite_dat(ucharDispdata);voidsendbyte(ucharzdata);voidClr_Scr(void);voidlcd_pos(ucharX,ucharY);voiddisplay_char(uchar*pointer);voidDisp_String(ucharX,ucharY,constuchar*pt);ucharreceive