新手学习51单片机求解

注释起来的是我自己写的，可是出现一个警告，可以在单片机上面运行，运行起来二极管频闪正常，可是数码管却不显示。不知道是程序师自己没看清楚，还是什么其他的原因。

/*

#include<reg52.h>

#define uchar unsigned char

#define uint unsigned int

sbit dula=P2^6;

sbit wela=P2^7;

sbit led1=P1^0;

uchar code table[]={

0x3f,0x06,0x5b,0x4f,

0x66,0x6d,0x7d,0x07,

0x7f,0x6f,0x77,0x7c,

0x39,0x5e,0x79,0x71

};

void delayms(uint);

void display(uchar,uchar);

uchar num,num1,num2,shi,ge;

void main()

{

TMOD=0x11;

TH0=(65536-45872)/256;

TL0=(65536-45872)%256;

TH1=(65536-45872)/256;

TL1=(65536-45872)%256;

EA=1;

ET0=1;

ET1=1;

TR0=1;

TR1=1;

while(1);

{

display(shi,ge);

}

}

void display(uchar shi,uchar ge)

{

dula=1;

P0=table[shi];

dula=0;

P0=0xff;

wela=1;

P0=0xfe;

wela=0;

delayms(5);

dula=1;

P0=table[ge];

dula=0;

P0=0xff;

wela=1;

P0=0xfd;

wela=0;

delayms(5);

}

void delayms(uint x)

{

uint i,j;

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

for(j=110;j>0;j--);

}

void T0_time() interrupt 1

{

TH0=(65536-45872)/256;

TL0=(65536-45872)%256;

num1++;

if(num1==4)

{

num1=0;

led1=~led1;

}

}

void T1_time() interrupt 3

{

TH1=(65536-45872)/256;

TL1=(65536-45872)%256;

num2++;

if(num2==20)

{

num2=0;

num++;

if(num==60)

num=0;

shi=num/10;

ge=num%10;

}

}

*/

#include<reg52.h>

#define uchar unsigned char

#define uint unsigned int

sbit dula=P2^6;

sbit wela=P2^7;

sbit led1=P1^0;

uchar code table[]={

0x3f,0x06,0x5b,0x4f,

0x66,0x6d,0x7d,0x07,

0x7f,0x6f,0x77,0x7c,

0x39,0x5e,0x79,0x71

};

void delayms(uint);

void display(uchar,uchar);

uchar num,num1,num2,shi,ge;

void main()

{

TMOD=0x11;

TH0=(65536-45872)/256;

TL0=(65536-45972)%256;

TH1=(65536-45872)/256;

TL1=(65536-45972)%256;

EA=1;

ET0=1;

ET1=1;

TR0=1;

TR1=1;

while(1)

{

display(shi,ge);

}

}

void display(uchar shi,uchar ge)

{

dula=1;

P0=table[shi];

dula=0;

P0=0xff;

wela=1;

P0=0xfe;

wela=0;

delayms(5);

dula=1;

P0=table[ge];

dula=0;

P0=0xff;

wela=1;

P0=0xfd;

wela=0;

delayms(5);

}

void delayms(uint xms)

{

uint i,j;

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

for(j=110;j>0;j--);

}

void T0_time() interrupt 1

{

TH0=(65536-45872)/256;

TL0=(65536-45972)%256;

num1++;

if(num1==4)

{

num1=0;

led1=~led1;

}

}

void T1_time()interrupt 3

{

TH1=(65536-45872)/256;

TL1=(65536-45972)%256;

num2++;

if(num2==20)

{

num2=0;

num++;

if(num==60)

num=0;

shi=num/10;

ge=num%10;

}

}