hawaii_port.c

CAN转232总线的单片机程序(AVR实现)

#include<iom64.h>
#include<ioavr.h>
#include<comp_a90.h>
#include"hawaii_include.h"
void port_init(void)
   {
    PORTA = 0xFF;
    DDRA  = 0xFF;
    PORTA = 0xFF;
    PORTB = 0xFF;
    DDRB  = 0xFF;
    PORTB = 0xFF;
    PORTC = 0xFF;
    DDRC  = 0xFF;
    PORTC = 0xFF;
    PORTD = 0xFF;
    DDRD  = 0xFF;
    PORTD = 0xFF;
    PORTE = 0xFF;
    DDRE  = 0xFF;
    PORTE = 0xFF;
    PORTF = 0xFF;
    DDRF  = 0xFF;
    PORTF = 0xFF;
    PORTG = 0xFF;
    DDRG  = 0xFF;
    PORTG = 0xFF;   
   }