|
- #include<reg51.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit dula=P2^6;
- sbit wela=P2^7;
- sbit rs=P3^5;
- sbit lcden=P3^4;
- sbit s1=P3^0;
- sbit s2=P3^1;
- sbit s3=P3^2;
- sbit rd=P3^7;
- sbit s4=P3^3;
- sbit dsds=P1^7;
- sbit dsrw=P1^6;
- sbit dsas=P1^5;
- sbit dscs=P1^4;
- sbit dsirq=P3^3;
- uchar count,shi,fen,miao,s1num,week=0,i,day=1,yue=1,year1=0,year2,year3,year4;
- uchar code table1[]=" 0000-01-01 MON"; //初始顯示
- uchar code table2[]=" 00:00:00";
- uchar code table3[7][3]={"MON","TUE","WED","THU","FRI","STA","SUN"};//星期的編碼
- //*****延時函數(shù)
- void delay(uchar z)
- {
- uchar x,y;
- for(x=z;x>0;x--)
- for(y=110;y>0;y--);
- }
- //****寫命令函數(shù)
- void write_com(uchar com)
- {
- rs=0;
- lcden=0;
- P0=com;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- //****寫入數(shù)據(jù)函數(shù)
- void write_data(uchar date)
- {
- rs=1;
- lcden=0;
- P0=date;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- //****初始化函數(shù)
- void init()
- {
- uchar num;
- // year=year1+year2*10+year3*100+year4*1000;
- wela=0;
- dula=0;
- lcden=0;
- write_com(0x38);
- write_com(0x0c);
- write_com(0x06);
- write_com(0x01);
- write_com(0x80);
- for(num=0;num<15;num++)
- {
- write_data(table1[num]);
- delay(20);
- }
- write_com(0x80+0x40);
- for(num=0;num<12;num++)
- {
- write_data(table2[num]);
- delay(20);
- }
- /* TMOD=0x01;
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- EA=1;
- ET0=1;
- TR0=1; */
- }
- //*****顯示時分秒
- void write_sfm(uchar add,uchar date1)
- {
- uchar shi,ge;
- shi=date1/10;
- ge=date1%10;
- write_com(add+0x80+0x40);
- write_data(0x30+shi);
- write_data(0x30+ge);
- }
- //*****顯示年月日
- void write_sfm1(uchar add,uchar date1)
- {
- uchar shi,ge;
- shi=date1/10;
- ge=date1%10;
- write_com(add+0x80);
- write_data(0x30+shi);
- write_data(0x30+ge);
- }
- void key2();
- void key3();
- //******鍵盤掃描函數(shù)
- void keyscan()
- {
- rd=0;
- if(s1==0)//第一個鍵被按下
- {
- delay(5); //************去除抖動
- if(s1==0)
- {
- s1num++; //***第一個鍵沒被按下一次,s1num就加1
- while(!s1);
- if(s1num==1) //當(dāng)被按下一次時,光標(biāo)停在秒位上并開始閃爍,始終停止
- {
- TR0=0;
- write_com(0x80+0x40+11);
- write_com(0x0f);
- }
- if(s1num==2) //被按下第二次,光標(biāo)停在分位上
- {
- write_com(0x80+0x40+8);
- }
- if(s1num==3) //被按下第三次,光標(biāo)停在時位上
- {
- write_com(0x80+0x40+5);
- }
- if(s1num==4) //被按下第四次,光標(biāo)停在顯示星期的位上
- {
- write_com(0x80+15);
- }
- if(s1num==5) //被按下第五次,光標(biāo)停在顯示日子的位上
- {
- write_com(0x80+10);
- }
- if(s1num==6) //被按下第六次,光標(biāo)停在顯示月的位上
- {
- write_com(0x80+7);
- }
- if(s1num==7) //被按下第七次,光標(biāo)停在顯示年的個位上
- {
- write_com(0x80+4);
- }
- if(s1num==8) //被按下第八次,光標(biāo)停在十位上
- {
- write_com(0x80+3);
- }
- if(s1num==9) //被按下第九次,光標(biāo)停在百位上
- {
- write_com(0x80+2);
- }
- if(s1num==10) //被按下第十次,光標(biāo)停在千位上
- {
- write_com(0x80+1);
- }
- if(s1num==11) //被按下第十一次,時鐘從設(shè)置的時刻開始
- {
- s1num=0;
- write_com(0x0c);
- TR0=1;
- }
- }
-
- }
- if(s4==0) //第四個鍵被按下,時鐘重新開始走
- {
- s1num=0;
- write_com(0x0c);
- TR0=1;
- }
- if(s1num!=0)
- {
- key2();
- key3();
- }
- }
- void key2() //調(diào)整時間加
- {
- 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+11);
-
- }
- if(s1num==2)
- {
- fen++;
- if(fen==60)
- fen=0;
- write_sfm(7,fen);
- write_com(0x80+0x40+8);
- }
- if(s1num==3)
- {
- shi++;
- if(shi==24)
- shi=0;
- write_sfm(4,shi);
- write_com(0x80+0x40+5);
- }
- if(s1num==4)
- {
- week++;
- switch(week)
- {
- case 0:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 1:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 2:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 3:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 4:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 5:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 6:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 7:write_com(0x80+12); week=0;
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- }
- }
- if(s1num==5)
- {
-
- if((yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||12)&&day==31)
- day=0;
- if((yue==2||yue==4||yue==6||yue==9||yue==11)&&day==30)
- day=0;
- day++;
- write_sfm1(9,day);
- write_com(0x80+10);
-
- }
- if(s1num==6)
- {
- if(yue==12)
- yue=0;
- yue++;
- write_sfm1(6,yue);
- write_com(0x80+7);
- }
- if(s1num==7)
- {
- if(year1==9)
- {
- year1=0;
- write_com(0x80+4);
- write_data(0x30+year1);
- write_com(0x80+4);
- }
- else
- {
- year1++;
- write_com(0x80+4);
- write_data(0x30+year1);
- write_com(0x80+4);
- }
- }
- if(s1num==8)
- {
- if(year2==9)
- {
- year2=0;
- write_com(0x80+3);
- write_data(0x30+year2);
- write_com(0x80+3);
- }
- else
- {
- year2++;
- write_com(0x80+3);
- write_data(0x30+year2);
- write_com(0x80+3);
- }
- }
- if(s1num==9)
- {
- if(year3==9)
- {
- year3=0;
- write_com(0x80+2);
- write_data(0x30+year3);
- write_com(0x80+2);
- }
- else
- {
- year3++;
- write_com(0x80+2);
- write_data(0x30+year3);
- write_com(0x80+2);
- }
- }
- if(s1num==10)
- {
- if(year4==9)
- {
- year4=0;
- write_com(0x80+1);
- write_data(0x30+year4);
- write_com(0x80+1);
- }
- else
- {
- year4++;
- write_com(0x80+1);
- write_data(0x30+year4);
- write_com(0x80+1);
- }
- }
- }
- }
- }
- void key3() //調(diào)整時間減
- {
- if(s3==0)
- {
- delay(5);
- if(s3==0)
- {
- while(!s3);
- if(s1num==1)
- {
- if(miao==0)
- {
- miao=60;
- write_sfm(10,miao);
- write_com(0x80+0x40+11);
- }
- miao--;
- write_sfm(10,miao);
- write_com(0x80+0x40+11);
-
- }
- if(s1num==2)
- {
-
- if(fen==0)
- {
- fen=60;
- write_sfm(7,fen);
- write_com(0x80+0x40+8);
- }
- fen--;
- write_sfm(7,fen);
- write_com(0x80+0x40+8);
- }
- if(s1num==3)
- {
-
- if(shi==0)
- {
- shi=24;
- write_sfm(4,shi);
- write_com(0x80+0x40+5);
- }
- shi--;
- write_sfm(4,shi);
- write_com(0x80+0x40+5);
- }
- if(s1num==4)
- {
- if(week==0)
- {
- week=7;
- write_com(0x80+12);
- for(i=0;i<3;i++)
- write_data(table3[week][i]);
- }
- week--;
- switch(week)
- {
- case 0:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 1:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 2:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 3:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 4:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 5:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 6:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- }
- }
- if(s1num==5)
- {
- day--;
- if((yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||12)&&day==0)
- {
- day=31;
- write_sfm1(9,day);
- write_com(0x80+10);
- }
- else if((yue==2||yue==4||yue==6||yue==9||yue==11)&&day==0)
- {
- day=30;
- write_sfm1(9,day);
- write_com(0x80+10);
- }
- write_sfm1(9,day);
- write_com(0x80+10);
- }
- if(s1num==6)
- {
- yue--;
- if(yue==0)
- {
- yue=12;
- write_sfm1(6,yue);
- write_com(0x80+7);
- }
- write_sfm1(6,yue);
- write_com(0x80+7);
- }
- if(s1num==7)
- {
- if(year1==0)
- {
- year1=9;
- write_com(0x80+4);
- write_data(0x30+year1);
- write_com(0x80+4);
- }
- else
- {
- year1--;
- write_com(0x80+4);
- write_data(0x30+year1);
- write_com(0x80+4);
- }
- }
- if(s1num==8)
- {
- if(year2==0)
- {
- year2=9;
- write_com(0x80+3);
- write_data(0x30+year2);
- write_com(0x80+3);
- }
- else
- {
- year2--;
- write_com(0x80+3);
- write_data(0x30+year2);
- write_com(0x80+3);
- }
- }
- if(s1num==9)
- {
- if(year3==0)
- {
- year3=9;
- write_com(0x80+2);
- write_data(0x30+year3);
- write_com(0x80+2);
- }
- else
- {
- year3--;
- write_com(0x80+2);
- write_data(0x30+year3);
- write_com(0x80+2);
- }
- }
- if(s1num==10)
- {
- if(year4==0)
- {
- year4=9;
- write_com(0x80+1);
- write_data(0x30+year4);
- write_com(0x80+1);
- }
- else
- {
- year4--;
- write_com(0x80+1);
- write_data(0x30+year4);
- write_com(0x80+1);
- }
- }
- }
- }
- }
- void write_ds(uchar add,uchar date)
- {
- dsas=1;
- dsds=1;
- dsrw=1;
- dscs=0;
- P0=add;
- dsas=0;
- dsrw=0;
- P0=date;
- dsrw=1;
- dsas=1;
- dscs=1;
- }
- uchar read_ds(uchar add)
- {
- uchar ds_date;
- dscs=0;
- dsas=1;
- dsds=1;
- dsrw=1;
- P0=add;
- dsas=0;
- dsds=0;
- P0=0xff;
- ds_date=P0;
- dsds=1;
- dsas=1;
- dscs=1;
- return ds_date;
- }
- void main()
- {
- init();
- while(1)
- {
- // keyscan();
- miao=read_ds(0);
- write_sfm(10,miao);
- }
- }
- //定時器零的中斷函數(shù)
- /*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;
- day++;
- /* week++;
- switch(week)
- {
- case 0:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 1:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 2:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 3:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 4:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 5:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 6:write_com(0x80+12);
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- case 7:write_com(0x80+12); week=0;
- for(i=0;i<3;i++) write_data(table3[week][i]); break;
- }*/
- /* if(((yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||12)&&(day==32))||((yue==2||yue==4||yue==6||yue==9||yue==11)&&(day==31)))
- {
- day=1;
- yue++;
- if(yue==13)
- {
- yue=1;
- year1++;
- if(year1==10)
- {
- year1=0;
- year2++;
- if(year2==10)
- {
- year2=0;
- year3++;
- if(year3==10)
- {
- year3=0;
- year4++;
- write_com(0x80+1);
- write_data(0x30+year4);
- }
- write_com(0x80+2);
- write_data(0x30+year3);
- }
- write_com(0x80+3);
- write_data(0x30+year2);
- }
- write_com(0x80+4);
- write_data(0x30+year1);
- }
- write_sfm1(6,yue);
- }
- write_sfm1(9,day);
- }
- write_sfm(4,shi);
- }
- write_sfm(7,fen);
- }
- write_sfm(10,miao);
- }
- } */
復(fù)制代碼 |
|