dianji.c

52单片机开发板的实例程序

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char 
uchar code go[]={0x01,0x02,0x04,0x08};
void delay(uint k)
{
  uint i;
  for(;k>0;k--)
  for(i=110;i>0;i--);
}
void main()
{
   uchar j;
   while(1)
   {
     for(j=0;j<4;j++)
      {
		P0=go[j];
        delay(7);
	  }
   }
}