rockbox/firmware/target/coldfire/iriver/h100/button-h100.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

236 lines
7.6 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Jonathan Gordon
*
* 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 "config.h"
#include "cpu.h"
#include "system.h"
#include "button.h"
#include "backlight.h"
#include "adc.h"
#include "lcd-remote.h"
void button_init_device(void)
{
/* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */
GPIO1_FUNCTION |= 0x00100062;
GPIO1_ENABLE &= ~0x00100060;
}
bool button_hold(void)
{
return (GPIO1_READ & 0x00000002)?true:false;
}
bool remote_button_hold_only(void)
{
if(remote_type() == REMOTETYPE_H300_NONLCD)
return adc_scan(ADC_REMOTE)<0x0d; /* hold should be 0x00 */
else
return (GPIO1_READ & 0x00100000)?true:false;
}
/* returns true only if there is remote present */
bool remote_button_hold(void)
{
/* H300's NON-LCD remote doesn't set the "remote present" bit */
if(remote_type() == REMOTETYPE_H300_NONLCD)
return remote_button_hold_only();
else
return ((GPIO_READ & 0x40000000) == 0)?remote_button_hold_only():false;
}
/*
* Get button pressed from hardware
*/
int button_read_device(void)
{
int btn = BUTTON_NONE;
int data;
static bool hold_button = false;
static bool remote_hold_button = false;
static int prev_data = 0xff;
static int last_valid = 0xff;
bool hold_button_old;
bool remote_hold_button_old;
/* normal buttons */
hold_button_old = hold_button;
hold_button = button_hold();
#ifndef BOOTLOADER
if (hold_button != hold_button_old)
backlight_hold_changed(hold_button);
#endif
if (!hold_button)
{
data = adc_scan(ADC_BUTTONS);
/* ADC debouncing: Only accept new reading if it's
* stable (+/-1). Use latest stable value otherwise. */
if ((unsigned)(data - prev_data + 1) <= 2)
last_valid = data;
prev_data = data;
data = last_valid;
if (data < 0xf0)
{
if (data < 0x80)
if (data < 0x30)
if (data < 0x18)
btn = BUTTON_SELECT;
else
btn = BUTTON_UP;
else
if (data < 0x50)
btn = BUTTON_LEFT;
else
btn = BUTTON_DOWN;
else
if (data < 0xb0)
if (data < 0xa0)
btn = BUTTON_RIGHT;
else
btn = BUTTON_OFF;
else
if (data < 0xd0)
btn = BUTTON_MODE;
else
btn = BUTTON_REC;
}
}
/* remote buttons */
remote_hold_button_old = remote_hold_button;
remote_hold_button = remote_button_hold_only();
#ifndef BOOTLOADER
if (remote_hold_button != remote_hold_button_old)
remote_backlight_hold_changed(remote_hold_button);
#endif
if (!remote_hold_button)
{
data = adc_scan(ADC_REMOTE);
switch (remote_type())
{
case REMOTETYPE_H100_LCD:
if (data < 0xf5)
{
if (data < 0x73)
if (data < 0x3f)
if (data < 0x25)
if(data < 0x0c)
btn |= BUTTON_RC_STOP;
else
btn |= BUTTON_RC_VOL_DOWN;
else
btn |= BUTTON_RC_MODE;
else
if (data < 0x5a)
btn |= BUTTON_RC_VOL_UP;
else
btn |= BUTTON_RC_BITRATE;
else
if (data < 0xa8)
if (data < 0x8c)
btn |= BUTTON_RC_REC;
else
btn |= BUTTON_RC_SOURCE;
else
if (data < 0xdf)
if(data < 0xc5)
btn |= BUTTON_RC_FF;
else
btn |= BUTTON_RC_MENU;
else
btn |= BUTTON_RC_REW;
}
break;
case REMOTETYPE_H300_LCD:
if (data < 0xf5)
{
if (data < 0x73)
if (data < 0x42)
if (data < 0x27)
if(data < 0x0c)
btn |= BUTTON_RC_VOL_DOWN;
else
btn |= BUTTON_RC_FF;
else
btn |= BUTTON_RC_STOP;
else
if (data < 0x5b)
btn |= BUTTON_RC_MODE;
else
btn |= BUTTON_RC_REC;
else
if (data < 0xab)
if (data < 0x8e)
btn |= BUTTON_RC_ON;
else
btn |= BUTTON_RC_BITRATE;
else
if (data < 0xde)
if(data < 0xc5)
btn |= BUTTON_RC_SOURCE;
else
btn |= BUTTON_RC_VOL_UP;
else
btn |= BUTTON_RC_REW;
}
break;
case REMOTETYPE_H300_NONLCD:
if (data < 0xf1)
{
if (data < 0x7d)
if (data < 0x25)
btn |= BUTTON_RC_FF;
else
btn |= BUTTON_RC_REW;
else
if (data < 0xd5)
btn |= BUTTON_RC_VOL_DOWN;
else
btn |= BUTTON_RC_VOL_UP;
}
break;
}
}
data = GPIO1_READ;
if (!hold_button && ((data & 0x20) == 0))
btn |= BUTTON_ON;
if (!remote_hold_button && ((data & 0x40) == 0))
switch(remote_type())
{
case REMOTETYPE_H100_LCD:
case REMOTETYPE_H300_NONLCD:
btn |= BUTTON_RC_ON;
break;
case REMOTETYPE_H300_LCD:
btn |= BUTTON_RC_MENU;
break;
}
return btn;
}