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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Mark Arigo
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "system.h"
#include "button.h"
#include "backlight.h"
void button_init_device(void)
{
/* TODO...for now, hardware initialisation is done by the OF bootloader */
}
bool button_hold(void)
{
return (~GPIOA_INPUT_VAL & 0x1);
}
/*
* Get button pressed from hardware
*/
int button_read_device(void)
{
int btn = BUTTON_NONE;
static bool hold_button = false;
bool hold_button_old;
/* Hold */
hold_button_old = hold_button;
hold_button = button_hold();
#ifndef BOOTLOADER
if (hold_button != hold_button_old)
backlight_hold_changed(hold_button);
#endif
/* device buttons */
if (!hold_button)
{
if (~GPIOA_INPUT_VAL & 0x04) btn |= BUTTON_LEFT;
if (~GPIOA_INPUT_VAL & 0x20) btn |= BUTTON_RIGHT;
if (~GPIOA_INPUT_VAL & 0x10) btn |= BUTTON_UP;
if (~GPIOA_INPUT_VAL & 0x08) btn |= BUTTON_DOWN;
if (~GPIOA_INPUT_VAL & 0x02) btn |= BUTTON_FFWD;
if (~GPIOA_INPUT_VAL & 0x80) btn |= BUTTON_REW;
if (~GPIOA_INPUT_VAL & 0x40) btn |= BUTTON_REC;
#if defined(SAMSUNG_YH820)
if ( GPIOB_INPUT_VAL & 0x80) btn |= BUTTON_PLAY;
#elif defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
if ( GPIOD_INPUT_VAL & 0x04) btn |= BUTTON_PLAY;
#endif
}
return btn;
}
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