这个单片机程序调了一夜，实在没办法了，帮帮忙吧

只看该作者 · 2012-5-31 08:19

#include<reg51.h>
#define uint unsigned int
#define uchar unsigned char
sbit ACC_7=ACC^7;
sbit sclk=P1^7;
sbit dio=P2^3;
sbit ce=P1^3;
uchar shi,fen,miao;
uchar code table[]={

0xC0,/*0*/

0xF9,/*1*/

0xA4,/*2*/

0xB0,/*3*/

0x99,/*4*/

0x92,/*5*/

0x82,/*6*/

0xF8,/*7*/

0x80,/*8*/

0x90,/*9*/
};
void delay(uchar z)
{

uchar i,j;

for(i=z;i>0;i--)

for(j=110;j>0;j--);
}
void y6c()
{

P2 |= 0xC0;

P2 &= 0x1F;
}
void y7c()
{

P2|=0xe0;

P2&=0x1f;
}
void write(uchar add,dat)
{

uchar i,temp;

ce=0;

sclk=0;

ce=1;

for(i=8;i>0;i--)

{

sclk=0;

temp=add;

dio=(bit)(temp&0x01);

add>>=1;

sclk=1;

}

for(i=8;i>0;i--)

{

sclk=0;

temp=dat;

dio=(bit)(temp&0x01);

add>>=1;

sclk=1;

}

ce=0;
}
uchar read(uchar add)
{

uchar i,temp,dat1,dat2;

ce=0;

sclk=0;

ce=1;

for(i=8;i>0;i--)

{

sclk=0;

temp=add;

dio=(bit)(temp&0x01);

add>>=1;

sclk=1;

}

for(i=8;i>0;i--)

{

ACC_7=dio;

sclk=1;

ACC>>=1;

sclk=0;

}

ce=0;

dat1=ACC;

dat2=dat1/16;

dat1=dat1%16;

dat1=dat1+dat2*10;

return dat1;
}
void init()
{

write(0x8e,0x00);

write(0x80,0x00);

write(0x82,0x22);

write(0x84,0x32);

write(0x8e,0x80);
}

void display(uchar miao,fen,shi)
{

uchar shi1,shi2,shi3,ge1,ge2,ge3;

shi1=miao/10;

ge1=miao%10;

shi2=fen/10;

ge2=fen%10;

shi3=shi/10;

ge3=shi%10;

P0=table[ge1];

y7c();

P0=0x80;

y6c();

delay(4);

P0=table[shi1];

y7c();

P0=0x40;

y6c();

delay(4);

P0=table[ge2];

y7c();

P0=0x20;

y6c();

delay(4);

P0=table[shi2];

y7c();

P0=0x10;

y6c();

delay(4);

P0=table[ge3];

y7c();

P0=0x08;

y6c();

delay(4);

P0=table[shi3];

y7c();

P0=0x04;

y6c();

delay(4);

}
void main()
{

init();

while(1)

{

display(read(0x81),read(0x83),read(0x85));

}
}