5b3f333dd7
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22025 a1c6a512-1295-4272-9138-f99709370657
82 lines
2.4 KiB
C
82 lines
2.4 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: button-m3.c 21787 2009-07-11 20:00:07Z bertrik $
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*
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* Copyright (C) 2009 Dave Chapman
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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 <stdbool.h>
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#include "config.h"
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#include "s5l8700.h"
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#include "button-target.h"
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#define CLICKWHEEL00 (*(volatile unsigned long*)(0x3c200000))
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#define CLICKWHEEL10 (*(volatile unsigned long*)(0x3c200010))
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#define CLICKWHEELINT (*(volatile unsigned long*)(0x3c200014))
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#define CLICKWHEEL_DATA (*(volatile unsigned long*)(0x3c200018))
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static int buttons = 0;
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void INT_SPI(void)
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{
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int clickwheel_events;
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int btn =0;
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int status;
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clickwheel_events = CLICKWHEELINT;
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if (clickwheel_events & 4) CLICKWHEELINT = 4;
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if (clickwheel_events & 2) CLICKWHEELINT = 2;
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if (clickwheel_events & 1) CLICKWHEELINT = 1;
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status = CLICKWHEEL_DATA;
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if ((status & 0x800000ff) == 0x8000001a)
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{
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if (status & 0x00000100)
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btn |= BUTTON_SELECT;
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if (status & 0x00000200)
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btn |= BUTTON_RIGHT;
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if (status & 0x00000400)
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btn |= BUTTON_LEFT;
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if (status & 0x00000800)
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btn |= BUTTON_PLAY;
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if (status & 0x00001000)
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btn |= BUTTON_MENU;
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}
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buttons = btn;
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}
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void button_init_device(void)
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{
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CLICKWHEEL00 = 0x280000;
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CLICKWHEEL10 = 3;
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INTMOD = 0;
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INTMSK |= (1<<26);
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PCON10 &= ~0xF00;
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}
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int button_read_device(void)
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{
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return buttons;
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}
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bool button_hold(void)
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{
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return ((PDAT14 & (1 << 6)) == 0);
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}
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