基于51单片机的年历程序,12864液晶显示.doc

#include#define uchar unsigned char#define uint unsigned intsbit LCD_RS=P35;sbit LCD_RW=P36;sbit LCD_EN=P34;sbit LCD_PSB=P24;sbit s1=P30;/独立按键sbit s2=P31;sbit s3=P32;sbit rd=P37;sbit beep=P23;/定义蜂鸣器端口uchar miao,shi,fen,mon,day,week,year1,year2,i, s1num,count;uint a,b,year;uchar code dis2=星期 ; uchar code dis3= 北华大学;void delay_1ms(uint z) uint x,y; for(x=z;x0;x-) for(y=110;y0;y-);void di()/蜂鸣器 beep=0; delay_1ms(100); beep=1;void write_cmd(uchar cmd) /写命令 LCD_RS=0; LCD_RW=0; LCD_EN=0; P0=cmd; delay_1ms(5); LCD_EN=1; delay_1ms(5); LCD_EN=0;void write_dat(uchar dat) /写数据 LCD_RS=1; LCD_RW=0; LCD_EN=0; P0=dat; delay_1ms(5); LCD_EN=1; delay_1ms(5); LCD_EN=0;void write_sfm(uchar add,char dat) /写时分秒 uchar shi1,ge1; shi1=dat/10; ge1=dat%10; write_cmd(0x90+add); /写显示地址的指令 write_dat(0x30+shi1); write_dat(0x30+ge1); /ge2=dat%10; /write_cmd(0x88+add);/ write_dat(0x30+ge2);void write_nyr(uchar add,char dat) /写年月 char shi,ge; shi=dat/10; ge=dat%10; write_cmd(0x80+add); write_dat(0x30+shi); write_dat(0x30+ge);void write_week(uchar add,char dat) /写星期 char ge2; ge2=dat%10; write_cmd(0x88+add); write_dat(0x30+ge2);void init() /初始化 2014年11月6日星期1 23：59：59 LCD_PSB=1; rd=0; LCD_EN=0; fen=59; miao=59; shi=23; week=1; year1=20; year2=14; mon=11; day=6; count=0; s1num=0;TMOD=0x01; /中断0，方式1TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1; write_cmd(0x30); delay_1ms(5); write_cmd(0x0c); delay_1ms(5); write_cmd(0x01); delay_1ms(5); write_cmd(0x91); write_dat(:); delay_1ms(5); write_cmd(0x93); write_dat(:); delay_1ms(5);write_sfm(4,miao);write_sfm(2,fen); write_sfm(0,shi) ; write_cmd(0x82); write_dat(-); delay_1ms(5); write_cmd(0x84); write_dat(-); delay_1ms(5); write_nyr(5,day); write_nyr(3,mon); write_nyr(0,year1); write_nyr(1,year2); write_week(2,week); void keyscan() /独立键盘检测 if(s1=0) delay_1ms(5); if(s1=0) s1num+; while(!s1); di(); if(s1num=1) TR0=0;write_cmd(0x84); /光标定位到日的位置write_cmd(0x0f); /光标开始闪数if(s1num=2) write_cmd(0x82);/光标定位到月的位置 if(s1num=3) write_cmd(0x80); /光标定位到年的位置 if(s1num=4) write_cmd(0x95); /光标定位到秒的位置 if(s1num=5) write_cmd(0x93); /光标定位到分的位置if(s1num=6) write_cmd(0x90); /光标定位到时的位置 if(s1num=7) write_cmd(0x91); if(s1num=8) write_cmd(0x8a); /光标定位到星期的位置 if(s1num=9) s1num=0; write_cmd(0x0c);/取消光标闪数 TR0=1;/启动定时器 if(s1num!=0) /只有功能键被按下后，增大和减小键才有效 if(s2=0) delay_1ms(5); if(s2=0) while(!s2); di(); if(s1num=1) miao+;if(miao=60) miao=0;write_sfm(4,miao);write_cmd(0x84);if(s1num=2) fen+; if(fen=60) fen=0;write_sfm(2,fen);write_cmd(0x82);if(s1num=3) shi+; if(shi=24) shi=0;write_sfm(0,shi);write_cmd(0x80);if(s1num=4) day+; if(day=a) day=0;write_nyr(5,day);write_cmd(0x95);if(s1num=5) mon+; if(mon=12) mon=0;write_nyr(3,mon);write_cmd(0x93);if(s1num=6) year2+; if(year2=99) year2=-1; write_nyr(1 ,year2); write_cmd(0x91);if(s1num=7) year1+; write_nyr(0,year1);write_cmd(0x90);if(s1num=8) week+; if(week=8) week=0;write_week(2,week);write_cmd(0x8a); if(s3=0) delay_1ms(5); if(s3=0) while(!s3); di(); if(s1num=1) miao-; if(miao=0) miao=60; write_sfm(4,miao); write_cmd(0x84); if(s1num=2) fen-;if(fen=0)fen=60; write_sfm(2,fen); write_cmd(0x82); if(s1num=3) shi-;if(shi=0)shi=24; write_sfm(0,shi); write_cmd(0x80); if(s1num=4) day-;if(day=0) day=a ;write_nyr(5,day);write_cmd(0x95);if(s1num=5) mon-; if(mon=0) mon=12; write_nyr(3,mon); write_cmd(0x93); if(s1num=6) year2-; if(year2=-1) year2=99; write_nyr(1,year2); write_cmd(0x91); if(s1num=7) year1-; write_nyr(0,year1); write_cmd(0x90); if(s1num=8) week-; if(week=0) week=6; write_week(2,week); write_cmd(0x8a); void display(uchar a) year=year2+year1*100; if(mon=1|3|5|7|8|10|12) a=31; else if(mon=2) if(year%4!=0) a=28; else a=29; else a=30; void main() init(); write_cmd(0x98); /地址 for(i=0;i8;i+) write_dat(dis3i); delay_1ms(5); write_cmd(0x88); /地址for(i=0;i4;i+) write_dat(dis2i); delay_1ms(5); while(1) keyscan(); display(a); void timer0()interrupt 1 TH0=(65536-50000)/256; TL0=(65536-50000)%256; count+; if(count=20) count=0; miao+; if(miao=60) miao=0; fen+; if(fen=60) fen=0;shi+;if(shi=24) shi=0; day+; week+; if(week=7) week=0; if(day=a) day=0; m