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Meizu M3: implement rudimentary button driver

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21787 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2009-07-11 20:00:07 +00:00
parent a5e25cc2a8
commit 5db8098bfd
2 changed files with 79 additions and 15 deletions
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69
firmware/target/arm/s5l8700/meizu-m3/button-m3.c Normal file
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@ -0,0 +1,69 @@
/***************************************************************************
* __________ __ ___.
* 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);
}

25
firmware/target/arm/s5l8700/meizu-m3/button-target.h
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@ -22,7 +22,6 @@
#define _BUTTON_TARGET_H_
#include <stdbool.h>
#include "config.h"
#define HAS_BUTTON_HOLD
@ -30,25 +29,21 @@ bool button_hold(void);
void button_init_device(void);
int button_read_device(void);
/* Toshiba Gigabeat specific button codes */
/* Meizu M3 specific button codes */
#define BUTTON_PREVNEXT 0x00000001
#define BUTTON_MENU 0x00000002
#define BUTTON_PLAY 0x00000004
#define BUTTON_LEFT 0x00000001
#define BUTTON_RIGHT 0x00000002
#define BUTTON_UP 0x00000004
#define BUTTON_DOWN 0x00000008
/* there are no LEFT/RIGHT buttons, but other parts of the code expect them */
#define BUTTON_LEFT 0
#define BUTTON_RIGHT 0
#define BUTTON_SELECT 0x00000010
#define BUTTON_MAIN (BUTTON_PREVNEXT|BUTTON_MENU|BUTTON_PLAY)
#define BUTTON_MENU 0x00000020
#define BUTTON_PLAY 0x00000040
#define BUTTON_MAIN (BUTTON_MENU|BUTTON_LEFT|BUTTON_RIGHT\
|BUTTON_UP|BUTTON_DOWN|BUTTON_SELECT|BUTTON_PLAY)
#define BUTTON_REMOTE 0
#define BUTTON_REMOTE 0
#define POWEROFF_BUTTON BUTTON_PLAY
#define POWEROFF_COUNT 10
#endif /* _BUTTON_TARGET_H_ */