#include <avr/io.h>//相關(guān)庫

#include

typedef unsigned int uint;

typedef unsigned char uchar;

uchar const tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

void main(void)//主函數(shù)

{

PORTB=0xff;//PB口輸出為高電平

DDRB=0xff;//高PB口為輸出

uchar a;//定義變量

while(1)//無限循環(huán)

{

for(a=0;a<8;a++)

{

PORTB=tab[a];//流水燈十六進(jìn)制數(shù)組

_delay_ms(500);//調(diào)用庫中的延時函數(shù)

}

}

}