include<reg51.h>
#include<stdio.h>
#include<string.h>
#define uchar unsigned char
#define uint unsigned int
uchar code led_m[]={0x3F,0x6,0x5B,0x4F,0x66,0x6D,0x7D,0x7,0x7F,0x6F,} ;
sbit duanxuan =P2^5;
sbit weixuan =P2^6;
uchar num,num1=60,num2,shi,ge;
void Init()
{
TMOD=0X01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}
void delay_ms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void shumaguan() //?????1???
{
duanxuan=0;
weixuan=0;
P0=led_m[shi];//?????
duanxuan=1;
duanxuan=0;
P0=0x00;
P0=0x02;
weixuan=1;
weixuan=0;
delay_ms(60);
P0=0x00;
P0=led_m[ge];//?????
duanxuan=1;
duanxuan=0;
P0=0x00;
P0=0x01;
weixuan=1;
weixuan=0;
P0=0x00;
delay_ms(60);
}
void main()
{ Init();
while(1)
{
shumaguan();
}
}
void Timer0()interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
num++;
if(num==20)
{
num=0;
num1--;
if(num1==0)
num1=60;
shi=num1/10;
ge=num1%10;
}
}
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