84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||
|
|
* \/ \/ \/ \/ \/
|
||
|
|
* $Id$
|
||
|
|
*
|
||
|
|
* Copyright (C) 2006 by Barry Wardell
|
||
|
|
*
|
||
|
|
* All files in this archive are subject to the GNU General Public License.
|
||
|
|
* See the file COPYING in the source tree root for full license agreement.
|
||
|
|
*
|
||
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
* KIND, either express or implied.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/* Custom written for the TPJ-1022 based on analysis of the GPIO data */
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include "config.h"
|
||
|
|
#include "cpu.h"
|
||
|
|
#include "system.h"
|
||
|
|
#include "button.h"
|
||
|
|
#include "kernel.h"
|
||
|
|
#include "backlight.h"
|
||
|
|
#include "adc.h"
|
||
|
|
#include "system.h"
|
||
|
|
|
||
|
|
void button_init_device(void)
|
||
|
|
{
|
||
|
|
/* No hardware initialisation required as it is done by the bootloader */
|
||
|
|
}
|
||
|
|
|
||
|
|
bool button_hold(void)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Get button pressed from hardware
|
||
|
|
*/
|
||
|
|
int button_read_device(void)
|
||
|
|
{
|
||
|
|
int btn = BUTTON_NONE;
|
||
|
|
unsigned char state;
|
||
|
|
static bool hold_button = false;
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
/* light handling */
|
||
|
|
if (hold_button && !button_hold())
|
||
|
|
{
|
||
|
|
backlight_on();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
hold_button = button_hold();
|
||
|
|
if (!hold_button)
|
||
|
|
{
|
||
|
|
/* Read normal buttons */
|
||
|
|
state = GPIOA_INPUT_VAL;
|
||
|
|
if ((state & 0x2) == 0) btn |= BUTTON_REW;
|
||
|
|
if ((state & 0x4) == 0) btn |= BUTTON_FF;
|
||
|
|
if ((state & 0x80) == 0) btn |= BUTTON_RIGHT;
|
||
|
|
|
||
|
|
/* Buttons left to figure out:
|
||
|
|
button_hold()
|
||
|
|
BUTTON_POWER
|
||
|
|
BUTTON_LEFT
|
||
|
|
BUTTON_UP
|
||
|
|
BUTTON_DOWN
|
||
|
|
BUTTON_MENU
|
||
|
|
BUTTON_REC
|
||
|
|
BUTTON_AB
|
||
|
|
BUTTON_PLUS
|
||
|
|
BUTTON_MINUS
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
|
||
|
|
return btn;
|
||
|
|
}
|