halinit.c

一个免费的SMART CARD OS系统。

/* ============================================================================
   Project Name : jayaCard
   Module Name  : proto/hal/avr/halinit.c
   Version : $Id: halinit.c,v 1.5 2004/04/24 20:32:34 dgil Exp $

	Description: init the specific AVR hardware

    The Original Code is jayaCard code.

    The Initial Developer of the Original Code is Gilles Dumortier.

    Portions created by the Initial Developer are Copyright (C) 2002-2004 the
    Initial Developer. All Rights Reserved.

    Contributor(s):

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; see http://www.gnu.org/licenses/gpl.html

   History Rev	Description
   073103 dgil	wrote it from scratch
   ============================================================================
*/

#include "precomp.h"

/* =========================================================================
	__hal_init()

	called by __bios_init() during the initialisation process. See the file
	proto/hal/template/DESIGN for more information.
   ========================================================================= */

void __hal_init(void)
{
	ACSR = 0x80;
	DDRA = 0xFF;
	DDRB = 0xFF;
	DDRC = 0xFF;
	DDRD = 0xFF;
	PORTA = 0xFF;
	PORTB = 0xFF;
	PORTC = 0xFF;
	PORTD = 0xFF;

	/* __x XXX more to init */

	avr_rand = 0;
	TIMSK = 0;	/* Disable timer interrupts */
	TCNT0 = 0;	/* Set timer 0 value */
	TCCR0 = 0;	/* Start timer 0 */
}

/* =========================================================================
	That's all folks !
   ========================================================================= */