定时器中断.c

LED显示,流水灯,定时器,可用于单片机课程设计

#include <reg51.h>
#define uchar unsigned char
uchar i=50,num=0;
void main()
{TMOD=0x01;  EA=1; ET0=1; TR0=1;
while(1) {P1=~num;}}

void Timer0() interrupt 1 using 1
{ TH0=0xb1; TL0=0xe0; 
   if(!(i--)) {num++; i=50;}}