rockbox/firmware/target/arm/s5l8700/meizu-m3/button-m3.c
Bertrik Sikken 5db8098bfd Meizu M3: implement rudimentary button driver
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21787 a1c6a512-1295-4272-9138-f99709370657
2009-07-11 20:00:07 +00:00

69 lines
1.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 Bertrik Sikken
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdbool.h>
#include "config.h"
#include "inttypes.h"
#include "s5l8700.h"
#include "button-target.h"
/* Button driver for the meizu M3
TODO: implement buttons based on on touch strip events, for example
short touch (select), slide up and down, touching the <> button, etc.
*/
void button_init_device(void)
{
PCON0 &= ~(3 << 10); /* P0.5 hold switch */
PCON1 &= ~(0xF << 0); /* P1.0 menu button */
PCON1 &= ~(0xF << 16); /* P1.4 play button */
PCON3 &= ~(0xF << 12); /* P3.3 <> button */
}
int button_read_device(void)
{
int buttons = 0;
if (button_hold()) {
return 0;
}
if ((PDAT1 & (1 << 0)) == 0) {
buttons |= BUTTON_MENU;
}
if ((PDAT1 & (1 << 4)) == 0) {
buttons |= BUTTON_PLAY;
}
if ((PDAT3 & (1 << 3)) == 0) {
buttons |= BUTTON_PREVNEXT;
}
return buttons;
}
bool button_hold(void)
{
return ((PDAT0 & (1 << 5)) != 0);
}