int.c

来自「工控计数器ICCAVR的MAGE8程序LED数码显示+4键」· C语言 代码 · 共 23 行

void InitIo(void)
{
    CLI();
	ACSR    = 0X01;
    GICR   |= (1 << INT0)|(1 << INT1);
    MCUCR  |= (0<<ISC10)|(1<<ISC11)|(0<<ISC00)|(1<<ISC01);
	//MCUCR = (0<<SM2)|(0<<SM1)|(0<<SM0)|(0<<ISC00)|(1<<ISC01);  
    //GIFR |= (1<<INTF1)|(1<<INTF0)|(1<<INTF2);
    DDRA  = 0xff;
    DDRB  = 0x00;
    DDRC  = 0xff;
	DDRD  = 0x00;
	//PIND  = 0X00;
	PORTA = 0xff;
	PORTB = 0xff;
	PORTD = 0xff;  
	PORTC = 0xff; 
	//PORTD = 0x00;       
    delay_nms   (500);
	PORTC = 0x00;
	//PORTD = 0xff;
	SEI();    
}