led_run.c

AVR ATmega8515上试过的。跑马灯程序C写的

#include <iom8515v.h>



void delay(unsigned int n)
{
 while(n) n--;
}



void main()
{
 unsigned int i;
 DDRB = 0xFF;
 PORTB = 0xFF;
 
 while(1)
  {
   for(i=0x01; i<=0x80; i<<=1)
    {
	 PORTB = 0xFF & (~i);
	 delay(65000);	 
	}
  }
}