基于51單片機的數(shù)碼管時鐘(帶鬧鐘調(diào)時秒表)(共15頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上/* * * * * * * * * * * *基于51單片機的數(shù)碼管時鐘程序 * * * * * * * * * * * * * */#include<stdio.h>#define uint unsigned int #define uchar unsigned charsbit dula=P26;/申明u1鎖存器的鎖存端sbit wela=P27;/申明u2鎖存器的鎖存端sbit key1=P30; /功能鍵sbit key2=P31;/增大鍵sbit key3=P32;/減小鍵sbit key4=P33;/秒表查看鍵sbit beep=P23;/蜂

2、鳴端uchar num,num1,num2,numm;uchar numf,num,nums,num;uchar s,s1,f,f1,m,m1;uchar ns,ns1,nf,nf1;uchar numns,numnf;uchar dingshi;void display(uchar m,uchar m1,ucharf,uchar f1,uchar s,uchar s1);void display1(uchar nf,uchar nf1,uchar ns,uchar ns1);void key();void key1();void alram();void di();void delayms(

3、xms);void T0_time() interrupt 1;void miaobiao();uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x77,0x7c,0x39,0x5e,0x79,0x71;/*主函數(shù)void main()*/int main() TMOD=0X01;TH0=(65536-46080)/256;TL0=(65536-46080)%256;EA=1;ET0=1;TR0=1;nums=12;numf=0;num2=0;num=0;while(1) if(dingshi=0) keyscan(); display(m,m1,

4、f,f1,s,s1); alarm(); else miaobiao(); keyscan1(); display1(nf,nf1,ns,ns1); return 0;/*蜂鳴器函數(shù) di()*/void di() beep=0; delayms(100); beep=1;/*按鍵調(diào)時函數(shù)key()*/void keyscan() if(key1=0) delayms(10);if(key1=0) nums+;if(nums=24);nums=0;while(!key1);di();display(m,m1,f,f1,s,s1); if(key2=0) delayms(10);if(key2=

5、0) numf+;if(numf=24);numf=0;while(!key2);di();display(m,m1,f,f1,s,s1); if(key3=0) delayms(10);if(key3=0)dingshi=dingshi; while(!key1);di();display(m,m1,f,f1,s,s1); /*按鍵設(shè)定鬧鐘函數(shù)keyscan1();*/void keyscan1() if(key1=0) delayms(10);if(key1=0) numns+;if(numns=24);numns=0;while(!key1);di();display1(nf,nf1,n

6、s,ns1); if(key2=0) delayms(10);if(key2=0) numnf+;if(numnf=24);numnf=0;while(!key2);di();display1(nf,nf1,ns,ns1); if(key3=0) delayms(10);if(key3=0)dingshi=0; while(!key1);di();display1(nf,nf1,ns,ns1); /*鬧鐘函數(shù)alram()*/void alram() if(nums=numns)&&(numnf=numf) beep=0; /*秒表函數(shù)miaobiao()*/void miao

7、biao() if(key4=0) delayms(100);if(key4=0) while(!key4); di(); displaym(uchar m,uchar m1); /*正常顯示函數(shù)display()*/void display(uchar m,uchar m1,ucharf,uchar f1,uchar s,uchar s1) dula=1;P0=tablem1/秒位第1位dula=0;PO=0xff;/ 送入位選信號前關(guān)閉所有顯示，防止打開位選鎖存時wela=1;P0=0xef;wela=0;delayms(10);dula=1;P0=tablem; /秒第2位dula=0;

8、P0=0xff;wela=1;P0=0xdf;wela=0;delayms(100)dula=1;P0=tablef1; /分第1位 dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delayms(100)dula=1;P0=tablef; /分第2位 dula=0;P0=0xff;wela=1;P0=0xf7;wela=0;delayms(10) dula=1;P0=tables1; /時第1位dula=0;P0=0xff;wela=1;P0=0xfe;wela=0;delayms(100) dula=1;P0=tables; /時第2位 dula=0;P0=0xf

9、f;wela=1;P0=0xfd;wela=0;delayms(10)/* 調(diào)時鬧鐘顯示函數(shù)display1()*/void display1(uchar nf,uchar nf1,uchar ns,uchar ns1) nf1=numnf/10; nf=numnf%10; ns1=nums/10; ns=nums%10; dula=1; P0=tablenf1;/分第1位 dula=0; P0=0xff; wela=1; P0=0xfb;/待改參數(shù) wela=0; delayms(10); dula=1; P0=tablenf;/分第2位 dula=0; P0=0xff; wela=1; P

10、0=0xf7;/待改參數(shù) wela=0; delayms(10); dula=1; P0=tablens1;/時第1位 dula=0; P0=0xff; wela=1; P0=0xfe;/待改參數(shù) wela=0; delayms(10); dula=1; P0=tablens;/時第2位 dula=0; P0=0xfd; wela=1; P0=0xff;/待改參數(shù) wela=0; delayms(10);/* 秒表顯示函數(shù)displaym()*/void displaym(uchar m,uchar m1) dula=1; P0=tablem1;/秒位第一位 dula=0; P0=0xff;

11、wela=1; P0=0Xbf; wela=0; delayms(10); dula=1; P0=tablem; dula=0; P0=0xff; wela=1; P0=0X7f; wela=0; delayms(10);/* 中斷服務(wù)函數(shù) void T0_time() interrupt 1*/void T0_time() interrupt 1 TH0=(65536-45872)/256; /46080 TL0=(65536-45872)%256; num2+; if(num2=20) num+; num2=0; m=num%10; m1=num/10; f=numf%10; f1=numf/10; s=nums%10; s1=n