继电器._c

avr基础程序大全

#include <iom16v.h>
#include <macros.h>
#define  uchar unsigned char
#define  uint  unsigned int
void delay(uint ms)
{
    uint i,j;
	for(i=0;i<ms;i++)
	   {
	   for(j=0;j<1141;j++);
       }
}
void main()
{
   DDRD=0XFF;
   PORTD=0XFF;
   while(1)
   {
 
   PORTD&=~BIT(7);
   delay(500);
   PORTD|=BIT(7);
   delay(500);
   }
}