rockbox/firmware/target/arm/as3525/sansa-clip/button-clip.c
Rafaël Carré cd9b1379ff Sansa Clip simulator
First draft at keymapping based on e200

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18948 a1c6a512-1295-4272-9138-f99709370657
2008-10-31 18:54:37 +00:00

93 lines
2.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 François Dinel
* Copyright (C) 2008 Rafaël Carré
*
* 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 "button-target.h"
#include "as3525.h"
void button_init_device(void)
{
GPIOA_DIR &= ~((1<<7) | (1<<3));
GPIOB_DIR &= ~((1<<2) | (1<<1) | (1<<0));
GPIOC_PIN(4) = 0x00;
GPIOC_PIN(5) = 0x00;
GPIOC_PIN(6) = 0x00;
GPIOC_DIR |= ((1<<6) | (1<<5) | (1<<4));
}
int button_read_device(void)
{
int result = 0;
/* direct GPIO connections */
if (GPIOA_PIN(7))
result |= BUTTON_POWER;
if (GPIOA_PIN(3))
result |= BUTTON_HOLD;
/* This is a keypad using C4-C6 as columns and B0-B2 as rows */
GPIOC_PIN(4) = (1<<4);
/* C4B0 is unused */
if (GPIOB_PIN(1))
result |= BUTTON_VOL_UP;
if (GPIOB_PIN(2))
result |= BUTTON_UP;
GPIOC_PIN(4) = 0x00;
GPIOC_PIN(5) = (1<<5);
if (GPIOB_PIN(0))
result |= BUTTON_LEFT;
if (GPIOB_PIN(1))
result |= BUTTON_SELECT;
if (GPIOB_PIN(2))
result |= BUTTON_RIGHT;
GPIOC_PIN(5) = 0x00;
GPIOC_PIN(6) = (1<<6);
if (GPIOB_PIN(0))
result |= BUTTON_DOWN;
if (GPIOB_PIN(1))
result |= BUTTON_VOL_DOWN;
if (GPIOB_PIN(2))
result |= BUTTON_HOME;
GPIOC_PIN(6) = 0x00;
return result;
}
bool button_hold(void)
{
return (GPIOA_PIN(3) != 0);
}