51单片机C语言程序，利用定时器1控制LED灯每隔100ms亮一个，并且数码管上的数每隔200ms加1，加到100清零

#include<reg51.h>

#include<intrins.h>

#define uchar unsigned char

uchar distab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}  //0到f

uchar number,dat,time

void t0isr() interrupt 1

{

TH0=(65536-5000)/256

TL0=(65536-5000)%256

number++

if(number>1)number=0

switch(number)

{

case 0:P2=0x02P0=distab[dat/10]

break

case 1:P2=0x01P0=distab[dat%10]

break

default:break

}

}

void t1isr() interrupt 3

{

TH1=(65536-50000)/256

TL1=(65536-50000)%256

time++

if(time%2)P1=_crol_(P1,1)

if(time%4)dat++

dat%=100

}

main()

{

TMOD=0x11

TH0=(65536-5000)/256

TL0=(65536-5000)%256

TH1=(65536-50000)/256

TL1=(65536-50000)%256

time=0

dat=0

TR1=1

ET1=1

TR0=1

ET0=1

EA=1

P1=0xfe

while(1)

}

#include //51系列单片机定义文件

#define uchar unsigned char //定义无符号字符

#define uint unsigned int //定义无符号整数

void delay(uint)//声明延时函数

void main(void)

{

uint i

uchar temp

while(1)

{

temp=0xFE

for(i=0i<8i++) //8个流水灯依次全部点亮

{

P1=temp

delay(500)//调用延时函数

temp<<=1

}

}} void delay(uint t) //定义延时函数

{

register uint bt

for(tt--)

for(bt=0bt<255bt++)

}

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