请哪位老师帮我指点一下程序，

ID:77608 · 发表于 2015-8-16 10:39

我用595数码管做了显示程序，总是不正常，哪位老师能帮我指点一上程序好下：
#include<reg52.h>
unsigned int date;
unsigned char n0,n1,n2,n3,n4,n5,n7,s,sec;
unsigned char step1; unsigned  int num,t0,start;
unsigned char step2,step3,step0,nn,step4,step5;
unsigned char code table[]={0xc0,0xcf,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code table[]={0xc0,0xcf,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90sbit x1=P0^1;
sbit x2=P0^2;
sbit x3=P0^3;
sbit x4=P0^4;
sbit x5=P0^5;
sbit x6=P0^6;
sbit x7=P0^7;
sbit x0=P0^0;
sbit y0=P1^3;
sbit out1=P1^1;
sbit out2=P1^2;
sbit LOAD=P2^7;
sbit SCLK=P2^6;    //时钟
sbit SDK=P2^5;    //数据
void display();
void hc595(unsigned char word);
void main ()
{    t0=123;
   date=5;
   display();
   TMOD=0x01;
   TH0=0x3c;
   TL0=0xb0;
   EA=1;
   TR0=1;
   ET0=1;
   step0=1;

   while(1)
   {P0=0xff;
   if(x0==0)
   {for(nn=0;nn>1000;nn++);
   if(x0==0)
   n0=1;
   }
   else n0=0;
   if(x1==0)
   {for(nn=0;nn>1000;nn++);
   if(x1==0)
   n1=1;
   else n1=0;}

   if(x2==0)
   {for(nn=0;nn>1000;nn++);
   if(x2==0)
   n2=1;
   else n2=0;
   }
   if(x3==0)
   {for(nn=0;nn>1000;nn++);
   if(x3==0)
n3=1;
      }
else
n3=0;
if(x4==0)
   {for(nn=0;nn>1000;nn++);
   if(x4==0)
      n4=1;}
else n4=0;
      if(x7==0)
   {for(nn=0;nn>1000;nn++);
   if(x7==0)
   n7=1;
   else n7=0;}
   if (step0==1)
{ display();
}
   if(((step0&n0)|step1)&!n7)//起动时
   {step1=1;step0=0;y0=0;sec=0;}
   else step1=0;
   if (((step1&n1)|step2)&!step5) //下到位
         {step2=1;step1=0; //横进
      out1=0;
   y0=1;}
if(((step2&&n2)|step3)&&!step4)    //横进到位
      {step3=1;
      if(date==0)
      y0=1;
      else
y0=0;
      if(date<num)
         date++;
else
{y0=1;
   out1=1;
   step5=1;
   }
   if(step5&!n5==1)
   {out2=1;
   if(n5==1)
      {out2=0;
   step0=1;
   }
   }
      }

if((step3|step4)&n0&step1)
   { step4=1;
   if(n5==1)
   out1=0;
   }
   }
   }
void timer() interrupt 1
  {TH0=0x3c;
  TL0=0xb0;
  s++;
  if(s>1)
{s=0;
if(step1==1)
{sec++;
   display();
if(sec>t0)
   {out2=0;
   sec=0; }
      }
if((n3==1)&&(t0<999) )
   { t0++;
      }
if((t0>1)&(n4==1))
   {t0--;
      }
   display();
   }
   }

  //*串行输出一个字节子函数
void hc595(unsigned char out_data)
  {unsigned char i,temp;
for(i=0;i<8;i++)
    { SCLK=0;       // //先拉低，为后面的上升沿做准备
     temp=out_data&0x80;//按位与
     if(temp==0x80)    //如果数据等于080
      SDK=1;          //SDK高电平
      else SDK=0;    //否则低电平
     out_data=out_data<<1;//数据左移一位
     SCLK=1;//CLK高电平
}
}

//**显示子函数**//
void display()
{ LOAD=1;
  LOAD=0;
hc595(table[date]);
hc595(table[t0/100]);
hc595(table[(t0%10)/10]);
hc595(table[t0%100]);
LOAD=1;
;
LOAD=0;
}

ID:88438 · 发表于 2015-8-16 18:42

你这个程序做的有点小问题

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请哪位老师帮我指点一下程序，

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