LCD液晶万年历显示程序.doc

#include sbit RS=P26;sbit rw=P25;sbit LCDE=P27;unsigned char n;unsigned char shi,ge,fen,miao,count;unsigned int year,yue,ri;/unsigned char code table= 2011-8-4 MON ;void delay(unsigned int xms)unsigned int i,j;for(i=xms;i0;i-)for(j=110;j0;j-);void write_com(unsigned char com)RS=0;rw=0;LCDE=0;P0=com;delay(5);LCDE=1;delay(5);LCDE=0;void write_date(unsigned char date)RS=1;rw=0;LCDE=0;P0=date;delay(5);LCDE=1;delay(5);LCDE=0;void write_sfm(unsigned char add,unsigned char date)unsigned char shi,ge;shi=date/10;ge=date%10;write_com(0x80+0x40+add);write_date(shi+0x30);write_date(ge+0x30);void write_n(unsigned int add1,unsigned int date1)unsigned int q,b,s,g;q=date1/1000;b=date1/100%10;s=date1/10%10;g=date1%10;write_com(0x80+add1);write_date(q+0x30); write_date(b+0x30); write_date(s+0x30); write_date(g+0x30);void write_yr(unsigned char add2,unsigned char date2) unsigned char s1,g1;s1=date2/10;g1=date2%10;write_com(0x80+add2);write_date(s1+0x30);write_date(g1+0x30);void init()LCDE=0;fen=35;miao=34;shi=15;ri=4;yue=8;year=2011;write_com(0x38);write_com(0x0c);write_com(0x06);write_com(0x01);write_com(0x80+7);write_date(-);delay(5);write_com(0x80+10);write_date(-);write_n(3,year);write_yr(8,yue);write_yr(11,ri);delay(5);write_com(0x80+0x40+6);write_date(:);delay(5);write_com(0x80+0x40+9);write_date(:);delay(5);write_sfm(10,miao);write_sfm(7,fen);write_sfm(4,shi);TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;TR0=1;ET0=1;void main() init();while(1);void time0() interrupt 1TH0=(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; ri+;switch(yue)case 1:case 3:case 5:case 7:case 8:case 10:case 12:if(ri=32) ri=1;yue+;break;case 4:case 6:case 9:case 11:if(ri=31) ri=1; yue+; break;case 2:if(year%4=0) if(ri=30) ri=1; yue+; else if(ri=29) ri=1; yue+; break; if(yue=13)yue=1;year+;write_