AVR128的程序——LED流水灯

#define uchar unsigned char

#define uint unsigned int

void Delayms(uint MS);

void main(void)

{

DDRA=0XFF;

PORTA=0XFF;

DDRF |=0X08;

PORTF|=0X08;

DDRB |=0X10;

PORTB|=0X10;

while(1)

{

uint i,temp;

for(i=0,temp=0XFF;i<=8;i++)

{

PORTA=temp;

Delayms(200);

temp>>=1;

}

}

}

void Delayms(uint MS)

{

uint i,j;

for( i=0;i

for(j=0;j<1141;j++);

}