大神帮忙看看我这个程序有哪些错误？并解答下，谢谢了！

ID:86461 · 发表于 2015-8-3 13:41

我想用独立按键去控制数码管的显示的时钟，但出了些问题，请大神看看
我使用的单片机板子与郭天祥的板子原理图一样
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit key1=P3^4;
sbit key2=P3^5;
sbit key3=P3^6;
sbit key4=P3^7;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num1,hao,miao,fen,shi,A,K,C,D,E,F;

uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delay(uint z)
{
uint i,j;
   for(i=z;i>0;i--)
   for(j=110;j>0;j--);
}

void display(uchar miao,uchar fen,uchar shi)
{
A=shi/10;
K=shi%10;
C=fen/10;
D=fen%10;
E=miao/10;
F=miao%10;

   dula=1;
   P0=table[A];
   dula=0;
   P0=0xff;
   wela=1;
   P0=0xfe;
   wela=0;
   delay(1);

   dula=1;
   P0=table[K];
   dula=0;
   P0=0xff;
   wela=1;
   P0=0xfd;
   wela=0;
   delay(1);

   dula=1;
   P0=table[C];
   dula=0;
   P0=0xff;
   wela=1;
   P0=0xfb;
   wela=0;
   delay(1);

   dula=1;
   P0=table[D];
   dula=0;
   P0=0xff;
   wela=1;
   P0=0xf7;
   wela=0;
   delay(1);

   dula=1;
   P0=table[E];
   dula=0;
   P0=0xff;
   wela=1;
   P0=0xef;
   wela=0;
   delay(1);

   dula=1;
   P0=table[F];
   dula=0;
   P0=0xff;
   wela=1;
   P0=0xdf;
   wela=0;
   delay(1);

}

void keyscan()
{
if(key1==0)
   {
   delay(10);
   if(key1==0)
      {
      miao++;
if(miao==60)
{
   miao=0;
   fen++;
         if(fen==60)
   {
   fen=0;
   shi++;
   if(shi==24)
   {
      shi=0;
   }
      }
      }
   while(!key1);
   }
   }
if(key2==0)
   {
   delay(10);
   if(key2==0);
      {
   miao--;
   if(miao==0)
   {
   miao=59;
   fen--;
   if(fen==0)
      {
   fen=59;
   shi--;
   if(shi==0)
      shi=23;
      }
            }
   while(!key2);
   }
   }
if(key3==0)
   {
      delay(10);
   if(key3==0)
      {
shi=0;fen=0;miao=0;
      while(!key3);
      }
   }
if(key4==0)
   {
      delay(10);
if(key4==0)
   {
      while(!key4);
TR1=~TR1;
   }
   }

}

void main()
{
      TMOD=0x01;
   TH1=(65536-45782)/256;
   TL1=(65536-45782)%256;
   EA=1;
   ET1=1;

while(1)
{
   display(miao,fen,shi);
   keyscan();
}
}

void T1_time() interrupt 3
{
   TH1=(65536-45872)/256;
   TL1=(65536-45872)%256;
      hao++;
   if(hao==20)
   {
hao=0;
miao++;
if(miao==60)
{
   miao=0;
   fen++;
         if(fen==60)
   {
   fen=0;
   shi++;
   if(shi==24)
   {
      shi=0;
   }
      }
      }
      }
}