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初學(xué)者菜鳥一個，程序?qū)懙牟皇呛芎茫韴D如下：
- #include<reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit rs=P3^7;
- sbit lcden=P3^6;
- sbit s1=P3^0;
- sbit s2=P3^1;
- sbit s3=P3^2;
- uchar count,s1num;
- char miao,fen,shi,ri=1,yue=1,nian=15;
- uchar code table2[]="(^-^)Made by Ke ";
- uchar code table[]=" Welcome to use ";
- uchar code table0[]=" 2015-01-01 KE";
- uchar code table1[]=" 00:00:00";
- void delay(uint xms)
- {
- uint i,j;
- for(i=xms;i>0;i--)
- for(j=110;j>0;j--);
- }
- void write_com(uchar com)
- {
- rs=0;
- lcden=0;
- P0=com;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- void write_date(uchar date)
- {
- rs=1;
- lcden=0;
- P0=date;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- void init()
- {
- uchar num;
- lcden=0;
- write_com(0x38);
- write_com(0x0c);
- write_com(0x06);
- write_com(0x01);
- write_com(0x80+0x10);
- for(num=0;num<16;num++)
- {
- write_date(table[num]);
- delay(5);
- }
- for(num=0;num<16;num++)
- {
- write_com(0x18);
- delay(200);
- }
- write_com(0x01);
- write_com(0x80+0x40+0x10);
- for(num=0;num<16;num++)
- {
- write_date(table2[num]);
- delay(5);
- }
- for(num=0;num<16;num++)
- {
- write_com(0x18);
- delay(200);
- }
- write_com(0x01);
- write_com(0x80);
- for(num=0;num<16;num++)
- {
- write_date(table0[num]);
- delay(5);
- }
- write_com(0x80+0x40);
- for(num=0;num<12;num++)
- {
- write_date(table1[num]);
- delay(5);
- }
- TMOD=0x01;
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- EA=1;
- ET0=1;
- TR0=1;
- }
- void write_sfm(uchar add,uchar date)
- {
- uchar shi,ge;
- shi=date/10;
- ge=date%10;
- write_com(0x80+0x40+add);
- write_date(0x30+shi);
- write_date(0x30+ge);
- }
- void write_sfm0(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 keyscan()
- {
- if(s1==0)
- {
- delay(5);
- if(s1==0)
- {
- T0=0;
- s1num++;
- while(!s1);
- if(s1num==1)
- {
- 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+10);
- }
- if(s1num==5)
- {
- write_com(0x80+7);
- }
- if(s1num==6)
- {
- write_com(0x80+4);
- }
- if(s1num==7)
- {
- s1num=0;
- T0=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;
- 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);
- write_com(0x80+0x40+4);
- }
- if(s1num==4)
- {
- ri++;
- if(yue==2&&ri==29)
- ri=1;
- if((yue==4||yue==6||yue==9||yue==11)&&ri==31)
- ri=1;
- if(ri==32)
- ri=1;
- write_sfm0(10,ri);
- write_com(0x80+10);
- }
- if(s1num==5)
- {
- yue++;
- if(yue==13)
- yue=1;
- write_sfm0(7,yue);
- write_com(0x80+7);
- }
- if(s1num==6)
- {
- nian++;
- if(nian==99)
- nian=15;
- write_sfm0(4,nian);
- write_com(0x80+4);
- }
- }
- }
- if(s3==0)
- {
- delay(5);
- if(s3==0)
- {
- while(!s3);
- if(s1num==1)
- {
- miao--;
- if(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)
- {
- ri--;
- if(yue==2&&ri==0)
- ri=28;
- if((yue==4||yue==6||yue==9||yue==11)&&ri==0)
- ri=30;
- if(ri==0)
- ri=31;
- write_sfm0(10,ri);
- write_com(0x80+10);
- }
- if(s1num==5)
- {
- yue--;
- if(yue==0)
- yue=12;
- write_sfm0(7,yue);
- write_com(0x80+7);
- }
- if(s1num==6)
- {
- nian--;
- if(nian==14)
- nian=99;
- write_sfm0(4,nian);
- write_com(0x80+4);
- }
- }
- }
- }
- }
- void main()
- {
- init();
- while(1)
- {
- keyscan();
- }
- }
- 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;
- ri++;
- if(yue==2&&ri==29)
- {
- ri=1;
- yue++;
- if(yue==13)
- {
- yue=1;
- nian++;
- if(nian==100)
- {
- nian=15;
- }
- write_sfm0(4,nian);
- }
- write_sfm0(7,yue);
- }
- if((yue==4||yue==6||yue==9||yue==11)&&ri==31)
- {
- ri=1;
- yue++;
- if(yue==13)
- {
- yue=1;
- nian++;
- if(nian==100)
- {
- nian=15;
- }
- write_sfm0(4,nian);
- }
- write_sfm0(7,yue);
- }
- if(ri==32)
- {
- ri=1;
- yue++;
- if(yue==13)
- {
- yue=1;
- nian++;
- if(nian==100)
- {
- nian=15;
- }
- write_sfm0(4,nian);
- }
- write_sfm0(7,yue);
- }
- write_sfm0(10,ri);
- }
- write_sfm(4,shi);
- }
- write_sfm(7,fen);
- }
- write_sfm(10,miao);
- }
- }
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簡易時鐘.rar
(71.01 KB, 下載次數(shù): 43)
2016-4-6 23:42 上傳
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