port._c

使用Mega128单片机编写的液晶、串口、菜单的C程序。

#include <iom128v.h>
#include <macros.h>
#include "port.h"
#include "stdtypes.h"


void port_init(void)
{
 PORTA = 0x00;
 DDRA  = 0xFF;
 PORTB = 0x00;
 DDRB  = 0xFF;
 PORTC = 0x10; //m103 output only
 DDRC  = 0x10;
 PORTD = 0x00;
 DDRD  = 0x00;
 PORTE = 0x00;
 DDRE  = 0x00;
 PORTF = 0x04;
 DDRF  = 0x0C;
 PORTG = 0x03;
 DDRG  = 0x03;
}