0023943439
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20977 a1c6a512-1295-4272-9138-f99709370657
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/***************************************************************************
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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) 2006 by Barry Wardell
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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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/* Custom written for the TPJ-1022 based on analysis of the GPIO data */
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#include <stdlib.h>
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#include "config.h"
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#include "cpu.h"
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#include "system.h"
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#include "button.h"
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#include "kernel.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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/* No hardware initialisation required as it is done by the bootloader */
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}
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bool button_hold(void)
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{
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return false;
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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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unsigned char state;
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static bool hold_button = false;
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#if 0
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/* light handling */
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if (hold_button && !button_hold())
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{
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backlight_on();
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}
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#endif
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hold_button = button_hold();
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if (!hold_button)
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{
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/* Read normal buttons */
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state = GPIOA_INPUT_VAL;
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if ((state & 0x2) == 0) btn |= BUTTON_REW;
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if ((state & 0x4) == 0) btn |= BUTTON_FF;
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if ((state & 0x80) == 0) btn |= BUTTON_RIGHT;
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/* Buttons left to figure out:
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button_hold()
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BUTTON_POWER
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BUTTON_LEFT
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BUTTON_UP
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BUTTON_DOWN
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BUTTON_MENU
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BUTTON_REC
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BUTTON_AB
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BUTTON_PLUS
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BUTTON_MINUS
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*/
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}
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return btn;
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}
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