80C51单片机控制流水灯来回闪烁，用C语言的

Answer 1

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
void delayms(uint i) //1ms延时程序

{
uint j;
for(;i>0;i--)
{
for(j=0;j<164;j++)
{;}
}
}
void main(void)

{
uchar i;
while(1)
{
for(i=0;i<8;i++)
{
P2=0X01<<i;
delay_ms(200);
}
}
}