right to left.c

52单片机开发板的实例程序

						   #include<reg52.h>
#define uint unsigned int
#define uchar unsigned char 
void delay(uint k)
{
  uint i;
  for(;k>0;k--)
  for(i=110;i>0;i--);
}
void main()
{
   uchar temp,i;
   while(1)
   {
     temp=0x80;
     for(i=0;i<8;i++)
     {
       P0=~temp;
       delay(1000);
       temp>>=1;
     }
   }
}