数组流水灯.txt

单片机入门卡发的点行代码

#include<at89x52.h>

#define uchar unsigned char
#define uint  unsigned int

uint led[8]={0xaa,0x5a,0xcc,0x99,0x9c,0x3c,0x7e,0xdd};

void delay(uint a);

void main()
{
  uint a;
  while(1)
  {
   for(a=0;a<8;a++)
   {
     P0=led[a];
     delay(30000);
   }
  }
}
  

void delay(uint a)
{
  uint b;
  for(b=0;b<a;b++);
}