led.c

ATMEGA8-LED-学习AVR的朋友们挺多的

//内部RC8M晶振
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/signal.h>
#include <stdio.h>
#include <avr/pgmspace.h>
#include <stdio.h>

#define sbi(x,y) (x|=(1<<y))
#define cbi(x,y)  (x&=~(1<<y))
#define uchar unsigned char
#define uint unsigned int


void delay(unsigned int time)	//延时子函数
{
while(time)time--;
   }

int main (void)
{
    DDRB=0xff;
	PORTB=0Xff;//1111,1111

while(1)
	{
	
   PORTB++;
     delay(65000);


	}
	return (0); 
}