73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 by Mark Arigo
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "button.h"
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#include "backlight.h"
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void button_init_device(void)
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{
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/* TODO...for now, hardware initialisation is done by the OF bootloader */
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}
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bool button_hold(void)
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{
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return (~GPIOA_INPUT_VAL & 0x1);
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}
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/*
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* Get button pressed from hardware
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*/
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int button_read_device(void)
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{
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int btn = BUTTON_NONE;
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static bool hold_button = false;
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bool hold_button_old;
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/* Hold */
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hold_button_old = hold_button;
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hold_button = button_hold();
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#ifndef BOOTLOADER
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if (hold_button != hold_button_old)
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backlight_hold_changed(hold_button);
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#endif
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/* device buttons */
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if (!hold_button)
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{
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if (~GPIOA_INPUT_VAL & 0x04) btn |= BUTTON_LEFT;
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if (~GPIOA_INPUT_VAL & 0x20) btn |= BUTTON_RIGHT;
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if (~GPIOA_INPUT_VAL & 0x10) btn |= BUTTON_UP;
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if (~GPIOA_INPUT_VAL & 0x08) btn |= BUTTON_DOWN;
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if (~GPIOA_INPUT_VAL & 0x02) btn |= BUTTON_FFWD;
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if (~GPIOA_INPUT_VAL & 0x80) btn |= BUTTON_REW;
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if (~GPIOA_INPUT_VAL & 0x40) btn |= BUTTON_REC;
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#if defined(SAMSUNG_YH820)
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if ( GPIOB_INPUT_VAL & 0x80) btn |= BUTTON_PLAY;
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#elif defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
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if ( GPIOD_INPUT_VAL & 0x04) btn |= BUTTON_PLAY;
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#endif
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}
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return btn;
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}
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