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1、/*这里的按键是左起第4个位修改时间和闹钟的先是选择修改时间在是修改闹钟第五个按键进位按一下加一次，左起第三个是选择是时钟和秒表之间的转换。如果选择的是秒表在再按左起第二个是开始计时第四个是暂停。*/#include#defineucharunsignedcharsbitkey1=P3^6;sbitkey2=P3^7;sbitkey3=P1^4;sbitkey4=P1^5;sbitbell=P2^7;ucharcodetable[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};ucharnumber[10]
2、[4];ucharaa,num=0,tt;ucharqie=1,bai=9,shi=5,ge=5,i,j,yi,er,san,si,mszhuan,one,two,three,four,mm,t3,t2,t1,k1,k2,k3,k4;voiddisplay(ucharqie,ucharbai,ucharshi,ucharge);voiddelay(uchark);voidjingwei();voidintter2();voidintter3();voiddisplay1(ucharqie);voiddisplay2(ucharbai);voiddisplay3(ucharshi);v
3、oiddisplay4(ucharge);voiddisplays1(ucharqie,ucharbai,ucharshi,ucharge);voiddisplays2(ucharqie,ucharbai,ucharshi,ucharge);voiddisplays3(ucharqie,ucharbai,ucharshi,ucharge);voiddisplays4(ucharqie,ucharbai,ucharshi,ucharge);voidbells(ucharqie,ucharbai,ucharshi,ucharge,ucharyi,ucharer,ucharsan,ucha
4、rsi,ucharmszhuan,uchartt);voidmzhuan();voidmiaobiao();voidmain(){//uncharaa;TMOD=0x01;EA=1;TR0=1;ET0=1;//ET1=1;aa=0;TH0=(65536-50000)/256;TL0=(65536-50000)%256;//TH1=(65536-50000)/256;//TL1=(65536-50000)%256;while(1){miaobiao();mzhuan();jingwei();bells(qie,bai,shi,ge,yi,er,san,si,mszhuan,tt);if
5、(mszhuan==0)//当选择时钟的时候才能做修改时钟和闹钟{intter2();intter3();switch(tt){case0:display(qie,bai,shi,ge);break;case1:displays1(qie,bai,shi,ge);break;case2:displays2(qie,bai,shi,ge);break;case3:displays3(qie,bai,shi,ge);break;case4:displays4(qie,bai,shi,ge);break;case5:displays1(yi,er,san,si);break;case6:d
6、isplays2(yi,er,san,si);break;case7:displays3(yi,er,san,si);break;case8:displays4(yi,er,san,si);break;}}elseif(mszhuan==1)//下面的是秒表{if(t1==0)display(four,three,two,one);if(key3==0){delay(10);if(key3==0){t3++;if(t3==2)t3=0;}while(!key3);}if(key1==0){delay(10);if(key1==0){t2++;if(t2==6)t2=0;}while(
7、!key1);}if(key2==0){delay(10);if(key2==0){t1++;if(t1==3)t1=0;}while(!key1);}if(t3==1){four=0;three=0;two=0;one=0;t3=0;t1=0;t2=0;}if(t1==1){k1=four;k2=three;k3=two;k4=one;t1=2;}if(t1==2){display(k1,k2,k3,k4);four=k1;three=k2;two=k3
