93ac986867
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28322 a1c6a512-1295-4272-9138-f99709370657
175 lines
4.8 KiB
C
175 lines
4.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2008 by Mark Arigo
|
|
*
|
|
* 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 "system.h"
|
|
#include "button.h"
|
|
#include "backlight.h"
|
|
#include "powermgmt.h"
|
|
#include "synaptics-mep.h"
|
|
|
|
/*#define LOGF_ENABLE*/
|
|
#include "logf.h"
|
|
|
|
static int int_btn = BUTTON_NONE;
|
|
#ifndef BOOTLOADER
|
|
static int old_pos = -1;
|
|
static int scroll_repeat = BUTTON_NONE;
|
|
#endif
|
|
static int repeat = 0;
|
|
|
|
/*
|
|
* Generate a click sound from the player (not in headphones yet)
|
|
* TODO: integrate this with the "key click" option
|
|
*/
|
|
void button_click(void)
|
|
{
|
|
GPO32_ENABLE |= 0x2000;
|
|
GPO32_VAL |= 0x2000;
|
|
udelay(1000);
|
|
GPO32_VAL &= ~0x2000;
|
|
}
|
|
|
|
#ifndef BOOTLOADER
|
|
void button_init_device(void)
|
|
{
|
|
/* The touchpad is powered on and initialized in power-hdd1630.c
|
|
since it needs to be ready for both buttons and button lights. */
|
|
}
|
|
|
|
/*
|
|
* Button interrupt handler
|
|
*/
|
|
void button_int(void)
|
|
{
|
|
char data[4];
|
|
int val;
|
|
|
|
int_btn = BUTTON_NONE;
|
|
|
|
val = touchpad_read_device(data, 4);
|
|
|
|
if (data[0] == MEP_BUTTON_HEADER)
|
|
{
|
|
/* Buttons packet */
|
|
if (data[1] & 0x1)
|
|
int_btn |= BUTTON_LEFT;
|
|
if (data[1] & 0x2)
|
|
int_btn |= BUTTON_MENU;
|
|
if (data[1] & 0x4)
|
|
int_btn |= BUTTON_RIGHT;
|
|
if (data[1] & 0x8)
|
|
int_btn |= BUTTON_VIEW;
|
|
}
|
|
else if ((data[0] == MEP_ABSOLUTE_HEADER))
|
|
{
|
|
if (data[1] & MEP_FINGER)
|
|
{
|
|
/* Absolute packet - the finger is on the horizontal strip.
|
|
Position ranges from 1-4095, with 1 at the bottom. */
|
|
val = ((data[1] >> 4) << 8) | data[2]; /* position */
|
|
|
|
/* The HDD63x0 actually has 2 scrollbars. One vertical and one horizontal
|
|
(where the prev, play, and next buttons are). Because of that, we need to know
|
|
which sensor is reporting data. */
|
|
if ((data[3] >> 6) == 1) /* index = 1 */
|
|
{
|
|
if ((val > 0) && (val <= 1365))
|
|
int_btn |= BUTTON_PREV;
|
|
else if ((val > 1365) && (val <= 2730))
|
|
int_btn |= BUTTON_PLAY;
|
|
else if ((val > 2730) && (val <= 4095))
|
|
int_btn |= BUTTON_NEXT;
|
|
} else
|
|
{
|
|
int scr_pos = val >> 8; /* split the scrollstrip into 16 regions */
|
|
if ((old_pos<scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_UP;
|
|
if ((old_pos>scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_DOWN;
|
|
|
|
old_pos = scr_pos;
|
|
|
|
/* repeat button */
|
|
repeat = 0;
|
|
if (int_btn != BUTTON_NONE)
|
|
{
|
|
if (int_btn != scroll_repeat)
|
|
scroll_repeat = int_btn;
|
|
else repeat = BUTTON_REPEAT;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
old_pos = -1;
|
|
scroll_repeat = BUTTON_NONE;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
void button_init_device(void){}
|
|
#endif /* bootloader */
|
|
|
|
bool button_hold(void)
|
|
{
|
|
return !(GPIOJ_INPUT_VAL & 0x8);
|
|
}
|
|
|
|
/*
|
|
* Get button pressed from hardware
|
|
*/
|
|
int button_read_device(void)
|
|
{
|
|
static int btn_old = BUTTON_NONE;
|
|
int btn = int_btn;
|
|
|
|
/* Hold */
|
|
if(button_hold())
|
|
return BUTTON_NONE;
|
|
|
|
/* Device buttons */
|
|
if (!(GPIOA_INPUT_VAL & 0x02)) btn |= BUTTON_VOL_UP;
|
|
if (!(GPIOA_INPUT_VAL & 0x04)) btn |= BUTTON_VOL_DOWN;
|
|
if (!(GPIOD_INPUT_VAL & 0x40)) btn |= BUTTON_POWER;
|
|
|
|
/* Scrollstrip direct button post - much better response */
|
|
if ((btn == BUTTON_UP) || (btn == BUTTON_DOWN))
|
|
{
|
|
queue_post(&button_queue,btn|repeat,0);
|
|
backlight_on();
|
|
buttonlight_on();
|
|
reset_poweroff_timer();
|
|
|
|
int_btn = BUTTON_NONE;
|
|
repeat = BUTTON_NONE;
|
|
btn = BUTTON_NONE;
|
|
}
|
|
|
|
if ((btn != btn_old) && (btn != BUTTON_NONE))
|
|
button_click();
|
|
|
|
btn_old = btn;
|
|
|
|
return btn;
|
|
}
|
|
|
|
bool headphones_inserted(void)
|
|
{
|
|
return (GPIOE_INPUT_VAL & 0x80) ? true : false;
|
|
}
|