高手进来

只看该作者 · 2010-12-30 21:15

[img]file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/(VIQU3[@]LGÇJFQB%60987G.jpg[/img]

1万 · 2010-12-30 21:19

高手是解决不了了，可能要神仙了。

只看该作者 · 2010-12-30 21:24

下面的程序中 key1按下，分钟自增1，key2按下，分钟自减1，我现在设置好了key3，按键一按下小时就自增1 ，请问怎么设置使key3有切换时与分的功能，也就是使key3 能控制时与分

#include<reg52.h>  //引用标准库的头文件
#define uint unsigned int
#define uchar unsigned char
void keys();
sbit P20=P2^0;
sbit P21=P2^1;
sbit P22=P2^2;
sbit P23=P2^3;
sbit P24=P2^4;
sbit P25=P2^5;
sbit P26=P2^6;
sbit P27=P2^7;
sbit key1=P3^5;
sbit key2=P3^4;
sbit key3=P3^3;
uchar code table [10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
uchar hour=00,minute=00,second=00;
uint a,b,dd,ee,gg,ii,hh,jj;
static char count=0;
void delay(uint z)
{
int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void int1() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;  //延时50ms常数
count++;
}
void main()
{
TMOD=0x01;  //置T1为方式1
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;  //延时50ms的时间常数
EA=1;  //开中断
ET0=1;
TR0=1;
for(;;)
{
      a=hour/10;
      b=hour%10;
      ee=minute/10;
      gg=minute%10;
      ii=second/10;
      jj=second%10;
            keys();

         P2=0X00;
         P1=table[a];
         P27=1;
         delay(1);
         P2=0X00;
         P1=table[b];
         P26=1;
         delay(1);

         P2=0X00;
         P1=0xbf;
         P25=1;
         delay(1);

         P2=0X00;
         P1=table[ee];
         P24=1;
         delay(1);

         P2=0X00;
         P1=table[gg];
         P23=1;
         delay(1);

         P2=0X00;
         P1=0xbf;
         P22=1;
         delay(1);
         P2=0X00;
         P1=table[hh];
         P21=1;
         delay(1);

         P2=0X00;
         P1=table[jj];
         P20=1;
         delay(1);

         if(count==20)
   {
         count=0;
         second++;
         if(second==60)
   {
            second=0;
            minute++;
            if(minute==60)
      {
               minute=0;
            hour++;
                  if(hour==24)
            hour=0;
      }
   }
   }
}
}
void keys()
{
if(key1==0)
{
      delay(5);
      if(key1==0)
   {
         while(!key1);
         delay(5);
         minute++;
         if(minute==60)
   {
            minute=0;
            delay(10);
   }
   }
}

if(key2==0)
{
      delay(5);
      if(key2==0)
   {
         while(!key2);
         delay(5);
         minute--;
         if(minute==0)
   {
            minute=59;
            delay(10);
   }
   }
}

if(key3==0)
{
      delay(10);
      if(key3==0)
   {
         while(!key3);
         delay(10);

         hour++;
         if(hour==24)
   {
         hour=0;
            delay(10);

   }
   }
}
}