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9e2c85e076
This is part of the preparation to add support for iPod Nano 3G and Nano 4G. There are some optimisations left, like merging similar blocks of registers that share the same layout, but the base address have changed between SoC generations. Change-Id: I4f06727b4061977141b65d39ae19591bd5b29680
68 lines
1.8 KiB
C
68 lines
1.8 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) 2009 Bertrik Sikken
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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 "inttypes.h"
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#include "s5l87xx.h"
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#include "button-target.h"
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/* Button driver for the meizu M6SP
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Future improvements:
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* touch strip support
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* left/right buttons (probably read out with ADC0)
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* unify with m3/m6sl button driver if possible
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*/
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void button_init_device(void)
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{
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PCON0 &= ~(0x3 << 10); /* P0.5 hold switch */
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PCON0 &= ~(0x3 << 14); /* P0.7 enter button */
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PCON1 &= ~(0xF << 16); /* P1.4 play/power button */
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}
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int button_read_device(void)
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{
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int buttons = 0;
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if (button_hold()) {
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return 0;
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}
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if ((PDAT1 & (1 << 4)) == 0) {
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buttons |= BUTTON_PLAY;
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}
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if ((PDAT0 & (1 << 7)) == 0) {
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buttons |= BUTTON_ENTER;
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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 ((PDAT0 & (1 << 5)) != 0);
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}
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