rockbox/firmware/target/arm/philips/sa9200/button-sa9200.c

73 lines
2 KiB
C
Raw Normal View History

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Mark Arigo
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* 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 c200 bootloader */
}
bool button_hold(void)
{
return !(GPIOL_INPUT_VAL & 0x40);
}
/*
* 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 0
if (!(GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_POWER;
if (!(GPIOF_INPUT_VAL & 0x10)) btn |= BUTTON_VOL_UP;
if (!(GPIOF_INPUT_VAL & 0x04)) btn |= BUTTON_VOL_DOWN;
#endif
/* A hack until the touchpad works */
if (!(GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_SELECT;
if (!(GPIOF_INPUT_VAL & 0x10)) btn |= BUTTON_UP;
if (!(GPIOF_INPUT_VAL & 0x04)) btn |= BUTTON_DOWN;
}
return btn;
}
bool headphones_inserted(void)
{
return (GPIOB_INPUT_VAL & 0x10) ? false : true;
}