第3个回答 2018-08-07
#include<stdio.h>
#include<reg51.h>
void main()
{
unsigned int ZHENG[8]={0D0H,090H,0B0H,030H,070H,060H,0E0H,0C0H};
unsigned int FAN[8]={0A0H,0E0H,0C0H,0D0H,050H,070H,030H,0B0H};
void delay(unsigned int m);
int i;
while(1)
{
if(P3.7==0)
for(i=0;i<8;i++)
{
P1=ZHENG[i];
delay(100);
}
else
for(i=0;i<8;i++)
{
P1=FAN[i];
delay(100);
}
}
}
void delay(unsigned int m)
{
int j=0;
for(;j<=m;j++);
}