flaneth

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/* flaneth - flash and ethernet - dartboard mod
 * version 0.1 date 2008-11-09
 * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
 * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
 * a BlinkenArea project - http://www.blinkenarea.org/
 */
#include <avr/io.h>
#include "bus.h"
// initialize
void BusInit( void ) // (extern)
{
  // address port to output
  BUS_ADDR = 0x00; // default address
  BUS_ADDR_DDR = 0xFF; // output
  // data port to input
  BUS_DATA = 0x00; // pull-ups off
  BUS_DATA_DDR = 0x00; // input
  // read pin to output
  bit_set( BUS_PORT_nRD, BUS_BIT_nRD ); // nRD to high
  bit_set( BUS_DDR_nRD, BUS_BIT_nRD ); // output
  // write pin to output
  bit_set( BUS_PORT_nWR, BUS_BIT_nWR ); // nWR to high
  bit_set( BUS_DDR_nWR, BUS_BIT_nWR ); // output
}
 
 
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