#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6; //数选
sbit wela=P2^7; //位选
sbit led1=P1^0; //led灯
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71
};
uchar num,num1,num2,shi,ge;
/*==========================延时函数=================================*/
void delayms(uint k)
{
uint i,j;
for(i=k;i>=0;i--)
for(j=110;j>=0;j--);
}
/*===========================数码管动态显示函数======================*/
void display(uchar shi,uchar ge)
{
dula=1;
P0=table[shi];
dula=0;
P0=0xff; // 消影
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);
}
/*=================T0中断函数================*/
/*=========二极管200毫秒闪烁==========*/
void T0_time()interrupt 1
{
TH0=(65536-45872)/256; //(65536-50/(12*(1/11.0592)))
TL0=(65536-45872)%256; //重装初值(uint)(65536-50/(12*(1/11.0592)))
num1++;
if(num1==4)
{
num1=0;
led1=~led1;
}
}
/*=============T1中断函数===================*/
/*===============数码管59秒循环计时==========*/
void T1_time()interrupt 3
{
TH1=(65536-45872)/256;
TL1=(65536-45872)%256; //重装初值
num2++;
if(num2==20)
{
num2=0;
num++;
if(num==60)
num=0;
ge=num%10;
shi=num/10;
} ;
//////////////////////////
}
/*============main============*/
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);
}
}
/*显示程序花费的时间是多少,中断程序执行的时间是多少,有可能冲突了!!!*/
/*不知道是什么原因使得中断一直在执行,跳不出去了!!!!!!!!!!!!!!!*/
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