单片机设计的电子日历

1、电子日历程序#include<reg51.h>#define uchar unsigned char#define uint unsigned int#define shuju P0sbit rs=P20;sbit rw=P21;sbit en=P22;sbit stop=P30;/暂停sbit jia=P31;/ 加计数sbit jian=P32;/减计数继续uchar ci,num,shi,fen,miao,num20,nian=13,yue=12,ri=2,week,t;uchar code table1="2013-12-02Mon"uchar code

2、 table2="00:00:00"uchar code xingqi="MonTusWedThuFriSatSun"void delay(uint z);void xieins(uchar ins);void xieda(uchar da);void chushi();void display(uchar add,uchar dat);void keyscan();void xieweek();void main()chushi();while(1)keyscan();void delay(uint z)/延时 1msuint x,y;for(x=z;

3、x>0;x-)for(y=115;y>0;y-);void xieins(uchar ins)/ 写指令rs=0;rw=0;shuju=ins;en=0;delay(5);en=1;delay(5);en=0;void xieda(uchar da)/ 写数据rs=1;rw=0;shuju=da;en=0;delay(5);en=1;delay(5);en=0;void chushi()xieins(0x38);/功能设置8 位数据接口双行显示xieins(0x0c);/显示设置开启显示屏关闭光标光标不闪烁xieins(0x06);/输入模式设置光标右移一格且地址数加1xieins

4、(0x01);/清屏TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1;/开定时器0xieins(0x80);for(num=0;num<16;num+)xieda(table1num);/ 显示第一行delay(5);xieins(0xc4);for(num=0;num<8;num+)xieda(table2num);/显示第二行delay(5);void display(uchar add,uchar dat)/ 地址数据uchar shi,ge;shi=dat/10;ge=dat%10;

5、xieins(add);delay(5);xieda(shi+0x30);delay(5);xieda(ge+0x30);delay(5);void timer0() interrupt 1num20+;TH0=(65536-50000)/256;TL0=(65536-50000)%256;if(num20=20)num20=0;miao+;if(miao=60)miao=0;fen+;if(fen=60)fen=0;shi+;if(shi=24)shi=0;ri+;xieweek();/week+;if(ri=31)/ 可定意义变量ri=1;yue+;if(yue=13)yue=1;nian

6、+;display(0x82,nian);display(0x85,yue);display(0x88,ri);display(0xc4,shi);display(0xc7,fen);display(0xca,miao);void keyscan()if(stop=0)delay(10);if(stop=0)while(!stop);TR0=0;ci+;xieins(0x0f);/ 显示光标光标闪烁if(ci=1)xieins(0xcb);if(ci=2)xieins(0xc8);if(ci=3)xieins(0xc5);if(ci=4)xieins(0x8d);if(ci=5)xieins(

7、0x89);if(ci=6)xieins(0x86);if(ci=7)xieins(0x83);if(ci=8)ci=0;xieins(0x0c);TR0=1;if(jia=0)delay(10);if(jia=0)while(!jia);if(ci=1)miao+;if(miao=60)miao=0;display(0xca,miao);xieins(0xcb);if(ci=2)fen+;if(fen=60)fen=0;display(0xc7,fen);xieins(0xc8);if(ci=3)shi+;if(shi=24)shi=0;display(0xc4,shi);xieins(0x

8、c5);if(ci=4)week+;if(week=7)week=0;xieweek();/display(0x8d,week);xieins(0x8f);if(ci=5)ri+;if(ri=31)ri=1;display(0x88,ri);xieins(0x89);if(ci=6)yue+;if(yue=13)yue=1;display(0x85,yue);xieins(0x86);if(ci=7)nian+;display(0x82,nian);xieins(0x83);if(jian=0)delay(10);if(jian=0)while(!jian);if(ci=1)if(miao=0

9、)miao=60;miao-;display(0xca,miao);xieins(0xcb);if(ci=2)if(fen=0)fen=60;fen-;display(0xc7,fen);xieins(0xc8);if(ci=3)if(shi=0)shi=24;shi-;display(0xc4,shi);xieins(0xc5);if(ci=4)if(week=0)week=7;week-;xieweek();/display(0x8d,week);xieins(0x8f);if(ci=5)if(ri=1)ri=31;ri-;display(0x88,ri);xieins(0x89);if(ci=6)if(yue=1)yue=13;yue-;display(0x85,yue);xieins(0x86);if(ci=7)