基于51单片机的简易电子表.docx

1、基于51单片机的简易电子表基于51单片机的简易电子表/* 阿斌独家制作: 电子表 1602液晶显示 带有闹钟功能 每天到指定时间后闹钟提醒 闹钟响后按s4键关闭闹钟 如果闹钟响后大约20秒未检测到s4键按下，则闹钟自动关闭 */主程序：#include#define uchar unsigned char#define uint unsigned int sbit lcden=P22;sbit lcdrw=P21;sbit lcdrs=P20;sbit s1=P30;sbit s2=P31;sbit s3=P32;sbit s4=P33;sbit rd=P37;sbit beep=P12;ui

2、nt nian,a;uchar count,s1num,i,xq,ri,yue,flag;char shi,fen,miao,shia,fena,miaoa;uchar code table= 2012-11-19 MON;uchar code table1= 00:00:00;uchar code xq1=MON;uchar code xq2=TUE;uchar code xq3=WED;uchar code xq4=THU;uchar code xq5=FRI;uchar code xq6=SAT;uchar code xq7=SUN;void delay(uint z) uint x,y

3、; for(x=z;x0;x-) for(y=110;y0;y-);void didi() beep=1; delay(5); beep=0; delay(5); beep=1; delay(5); beep=0; delay(5); void write_com(uchar com) lcdrs=0; lcden=0; lcdrw=0; P0=com; delay(5); lcden=1; delay(5); lcden=0;void write_date(uchar date) lcdrs=1; lcden=0; lcdrw=0; P0=date; delay(5); lcden=1; d

4、elay(5); lcden=0;void init() uchar num; lcden=0; xq=1;ri=19;yue=11;nian=2012; a=1000;flag=0; shia=00;fena=00;miaoa=05; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); write_com(0x80); for(num=0;num16;num+) write_date(tablenum); delay(5); write_com(0x80+0x40); for(num=0;num12;num+

5、) write_date(table1num); delay(5); TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=1;void write_sfm2(uchar add,uint date) uchar qian,bai,shi,ge; qian=date/1000; bai=date%1000/100; shi=date%100/10; ge=date%10; write_com(0x80+add); write_date(0x30+qian); write_date(0x30+bai);

6、 write_date(0x30+shi); write_date(0x30+ge);void write_sfm1(uchar add,uchar date) uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+add); write_date(0x30+shi); write_date(0x30+ge);void write_sfm(uchar add,uchar date) uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+0x40+add); write_date(0x30

7、+shi); write_date(0x30+ge);void write_xq() write_com(0x80+13); switch(xq) case 1: for(i=0;i3;i+) write_date(xq1i); delay(5); break; case 2: for(i=0;i3;i+) write_date(xq2i); delay(5); break; case 3: for(i=0;i3;i+) write_date(xq3i); delay(5); break; case 4: for(i=0;i3;i+) write_date(xq4i); delay(5); b

8、reak; case 5: for(i=0;i3;i+) write_date(xq5i); delay(5); break; case 6: for(i=0;i3;i+) write_date(xq6i); delay(5); break; case 7: for(i=0;i3;i+) write_date(xq7i); delay(5); break; default: break; void keyscan1() if(s4=0) delay(5); if(s4=0) while(!s4); flag=1; void keyscan() rd=0; if(s1=0) delay(5);

9、if(s1=0) s1num+; while(!s1); if(s1num=1) TR0=0; write_com(0x80+0x40+10); write_com(0x0f); if(s1num=2) write_com(0x80+0x40+7); if(s1num=3) write_com(0x80+0x40+4); if(s1num=4) write_com(0x80+13); if(s1num=5) write_com(0x80+10); if(s1num=6) write_com(0x80+7); if(s1num=7) write_com(0x80+2); if(s1num=8)

10、s1num=0; write_com(0x0c); TR0=1; if(s1num!=0) if(s2=0) delay(5); if(s2=0) while(!s2); if(s1num=1) miao+; if(miao=60) miao=0; write_sfm(10,miao); write_com(0x80+0x40+10); if(s1num=2) fen+; if(fen=60) fen=0; write_sfm(7,fen); write_com(0x80+0x40+7); if(s1num=3) shi+; if(shi=24) shi=0; write_sfm(4,shi)

11、; write_com(0x80+0x40+4); if(s1num=4) xq+; if(xq=8) xq=1; write_xq(); write_com(0x80+13); if(s1num=5) ri+; switch(yue) case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(ri=32) ri=1; break; case 4: case 6: case 9: case 11: if(ri=31) ri=1; break; case 2: if(nian%4=0&nian%100!=0|nian%400=0)

12、if(ri=30) ri=0; else if(ri=29) ri=0; break; write_sfm1(10,ri); write_com(0x80+10); if(s1num=6) yue+; if(yue=13) yue=1; write_sfm1(7,yue); write_com(0x80+7); if(s1num=7) nian+; if(nian=2100) nian=2000; write_sfm2(2,nian); write_com(0x80+2); if(s3=0) delay(5); if(s3=0) while(!s3); if(s1num=1) miao-; i

13、f(miao=-1) miao=59; write_sfm(10,miao); write_com(0x80+0x40+10); if(s1num=2) fen-; if(fen=-1) fen=59; write_sfm(7,fen); write_com(0x80+0x40+7); if(s1num=3) shi-; if(shi=-1) shi=23; write_sfm(4,shi); write_com(0x80+0x40+4); if(s1num=4) xq-; if(xq=0) xq=7; write_xq(); write_com(0x80+13); if(s1num=5) r

14、i-; switch(yue) case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(ri=0) ri=31; break; case 4: case 6: case 9: case 11: if(ri=0) ri=30; break; case 2: if(nian%4=0&nian%100!=0|nian%400=0) if(ri=0) ri=29; else if(ri=0) ri=28; break; write_sfm1(10,ri); write_com(0x80+10); if(s1num=6) yue-; if

15、(yue=0) yue=12; write_sfm1(7,yue); write_com(0x80+7); if(s1num=7) nian-; if(nian=1999) nian=2099; write_sfm2(2,nian); write_com(0x80+2); void set_alarm() if(shi=shia&fen=fena&miao=miaoa) while(a-) didi(); keyscan1(); if(flag=1) flag=0; break; a=1000; void main() init(); while(1) keyscan(); set_alarm

16、(); void timer0() interrupt 1 TH0=(65536-50000)/256; TL0=(65536-50000)%256; count+; if(count=18) count=0; miao+; if(miao=60) miao=0; fen+; if(fen=60) fen=0; shi+; if(shi=24) shi=0; xq+; if(xq=8) xq=1; write_xq(); ri+; switch(yue) case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(ri=32) ri

17、=1; break; case 4: case 6: case 9: case 11: if(ri=31) ri=1; break; case 2: if(nian%4=0&nian%100!=0|nian%400=0) if(ri=30) ri=0; else if(ri=29) ri=0; break; default: break; if(ri=31|ri=30|ri=29|ri=28) yue+; if(yue=13) yue=1; nian+; if(nian=2099) nian=2000; write_sfm2(2,nian); write_sfm1(7,yue); write_sfm1(10,ri); write_sfm(4,shi); write_sfm(7,fen); write_sfm(10,miao);