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標(biāo)題: 請哪位老師幫我指點一下程序， [打印本頁]

作者: wwx3425 時間: 2015-8-16 10:39
標(biāo)題: 請哪位老師幫我指點一下程序，
我用595數(shù)碼管做了顯示程序，總是不正常，哪位老師能幫我指點一上程序好下：
#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; //時鐘
sbit SDK=P2^5; //數(shù)據(jù)
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)//起動時
 {step1=1;step0=0;y0=0;sec=0;}
 else step1=0;
 if (((step1&n1)|step2)&!step5) //下到位
 {step2=1;step1=0; //橫進
 out1=0;
 y0=1;}
if(((step2&&n2)|step3)&&!step4) //橫進到位
 {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();
 }
 }

 //*串行輸出一個字節(jié)子函數(shù)
void hc595(unsigned char out_data)
 {unsigned char i,temp;
for(i=0;i<8;i++)
 { SCLK=0; // //先拉低，為后面的上升沿做準(zhǔn)備
 temp=out_data&0x80;//按位與
 if(temp==0x80) //如果數(shù)據(jù)等于080
 SDK=1; //SDK高電平
 else SDK=0; //否則低電平
 out_data=out_data<<1;//數(shù)據(jù)左移一位
 SCLK=1;//CLK高電平
}
}

//**顯示子函數(shù)**//
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;
}

作者: 軟件架構(gòu) 時間: 2015-8-16 18:42
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