dianzizhong.rar_dianzizhong

#include<reg51.h> #define uchar unsigned char #define uint unsigned int uchar code table[]="2011-04-22"; uchar code table1[]="00:00:00"; uchar code runn[]={00,31,29,31,30,31,30,31,31,30,31,30,31}; uchar code pingn[]={00,31,28,31,30,31,30,31,31,30,31,30,31}; uchar s1num,count; char shi,fen,miao,nian,yue,ri; sbit lcdrs=P2^0; sbit lcde=P2^1; sbit s1=P3^5; sbit s2=P3^6; sbit s3=P3^7; void delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com) { lcdrs=0; lcde=0; P1=com; delay(5); lcde=1; delay(5); lcde=0; } void write_data(uchar date) { lcdrs=1; P1=date; delay(5); lcde=1; delay(5); lcde=0; } void sfm(uchar add,uchar date) { uint sh,ge; sh=date/10; ge=date%10; write_com(0x80+0x40+add); write_data(0x30+sh); write_data(0x30+ge); } void nyr(uchar add,uchar date) { uint sh,ge; sh=date/10; ge=date%10; write_com(0x80+add); write_data(0x30+sh); write_data(0x30+ge); } void keyscan() { if(s1==0) { delay(5); if(s1==0) { while(!s1); s1num++; if(s1num==1) { TR0=0; write_com(0x80+0x40+11); write_com(0x0f); } if(s1num==2) { write_com(0x80+0x40+8); } if(s1num==3) { write_com(0x80+0x40+5); } if(s1num==4) { write_com(0x80+12); } if(s1num==5) { write_com(0x80+9); } if(s1num==6) { write_com(0x80+6); } if(s1num==7) { s1num=0; TR0=1; write_com(0x0c); } } } if(s1num!=0) { if(s2==0) { delay(5); if(s2==0) { while(!s2); if(s1num==1) { miao++; if(miao==60) { miao=0; } sfm(10,miao); write_com(0x80+0x40+11); } if(s1num==2) { fen++; if(fen==60) { fen=0; } sfm(7,fen); write_com(0x80+0x40+8); } if(s1num==3) { shi++; if(shi==24) { shi=0; } sfm(4,shi); write_com(0x80+0x40+5); } if(s1num==4) { ri++; if(nian%4==0) { if(ri==runn[yue]+1) { ri=1; } } else { if(ri==pingn[yue]+1) { ri=1; } } nyr(11,ri); write_com(0x80+12); } if(s1num==5) { yue++; if(yue==13) { yue=1; } nyr(8,yue); write_com(0x80+9); } if(s1num==6) { nian++; if(nian==100) { nian=0; } nyr(5,nian); write_com(0x80+6); } } } if(s3==0) { delay(5); if(s3==0) { while(!s3); if(s1num==1) { miao--; if(miao==-1) { miao=59; } sfm(10,miao); write_com(0x80+0x40+11); } if(s1num==2) { fen--; if(fen==-1) { fen=59; } sfm(7,fen); write_com(0x80+0x40+8); } if(s1num==3) { shi--; if(shi==-1) { shi=23; } sfm(4,shi); write_com(0x80+0x40+5); } if(s1num==4) { ri--; if(nian%4==0) { if(ri==0) { ri=runn[yue]; } } else { if(ri==0) { ri=pingn[yue]; } } nyr(11,ri); write_com(0x80+12); } if(s1num==5) { yue--; if(yue==0) { yue=12; } nyr(8,yue); write_com(0x80+9); } if(s1num==6) { nian--; if(nian==-1) { nian=99; } nyr(5,nian); write_com(0x80+6); } } } } } void init() { uint i; lcde=0; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); write_com(0x80+3); for(i=0;i<10;i++) { write_data(table[i]); delay(5); } write_com(0x80+0x44); for(i=0;i<8;i++) { write_data(table1[i]); delay(5); } nian=11; yue=4; ri=22; TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=1; } void main() { init(); while(1) { keyscan(); } } void time0() 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; ri++; if(nian%4==0) { if(ri==runn[yue]+1) { ri=1; yue++; if(yue==13) { yue=1; nian++; if(nian==100) nian=0; nyr(5,nian); } nyr(8,yue); } } else { if(ri==pingn[yue]+1) { ri=1; yue++; if(yue==13) { yue=1; nian++; if(nian==100) nian=0; nyr(5,nian); } nyr(8,yue); } } nyr(11,ri); } sfm(4,shi); } sfm(7,fen); } sfm(10,miao); } }