51单片机12864液晶显示并口和串口连接程序.doc

#include reg52.h #define uchar unsigned char #define uint unsigned int #define lcdbus P0 sbit rs=P2^0; sbit rw=P2^1; sbit en=P2^2; uchar code line[5]={0x00,0x80,0x90,0x88,0x98}; void delay(uchar i) { uchar j; while(i--) for(j=0;j125;j++); } void writ_DATCOM(bit flagdc,uchar thing) { rs=flagdc; rw=0; delay(1); lcdbus=thing; en=1; //en为高数据写入 ，0为低停止写入 delay(15); //数据写入的速度 en=0; } void AUTO_line(uchar *data_add) { uchar cnt; while(*(cnt+data_add)!=\0) { writ_DATCOM(1,*(cnt+data_add)); cnt++; } } void writline(uchar flagline,uchar *address) { writ_DATCOM(0,line[flagline]); AUTO_line(address); } void init() { writ_DATCOM(0,0x01); writ_DATCOM(0,0x02); writ_DATCOM(0,0x0c); writ_DATCOM(0,0x30); writ_DATCOM(0,0x80); } void main() { init(); writline(1,广西职业技术学院); writline(2,电气自动化——技术); writline(3,QQ:452658536); writline(4,学号:; while(1); } ////////////////////////////////////////////////////// 以下是12864串口连接程序 /**** 12864串口*******/ // QQ:462658536 #includereg52.h #define uchar unsigned char #define uint unsigned int sbit RW=P2^1; sbit SCK=P2^2; uchar code lineyou[5]={0x00,0x80,0x90,0x88,0x98} ; //code void delay(uchar i) { uchar j; while(i--) for(j=0;j125;j++); } void sent(uchar DATA) //byte 1 { uchar i; for(i=0;i8;i++) { SCK=0; if(DATA0x80) // 高位先出 、1000 0000 RW=1; else RW=0; delay(10); SCK=1; DATA=DATA1; } } void writLCD(bit flag,uchar DATA) //writ COM or data in address { if(flag) sent(0xfa); // 1 写数据 else sent(0xf8); //0写指令 sent(DATA0XF0); // 先写高位后写低位 sent((DATA0X0F)4); // 低位 } void AUTO(uchar *add) { uchar cnt=0; while(*(add+cnt)!=\0) { writLCD(1,*(add+cnt)); cnt++; } } void wirtthings(uchar lines,uchar *add) //writ data to which line { writLCD(0,lineyou[lines]); //写入显示所在地址，writ address! display which line AUTO(add); // writ data dispaly what (*add) } void init() { delay(10); writLCD(0,0x01); writLCD(0,0x02); writLCD(0,0x06); writLCD(0,0x0f); //