f34cd80f63
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20035 a1c6a512-1295-4272-9138-f99709370657
164 lines
4.6 KiB
C
Executable file
164 lines
4.6 KiB
C
Executable file
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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 "synaptics-mep.h"
|
|
|
|
#define LOGF_ENABLE
|
|
#include "logf.h"
|
|
|
|
#define MEP_BUTTON_HEADER 0x19
|
|
#define MEP_BUTTON_ID 0x9
|
|
#define MEP_ABSOLUTE_HEADER 0x0b
|
|
|
|
static int int_btn = BUTTON_NONE;
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
if (!syn_get_status())
|
|
{
|
|
logf("button_init_dev: touchpad not ready");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Button interrupt handler
|
|
*/
|
|
void button_int(void)
|
|
{
|
|
int data[4];
|
|
int val, id;
|
|
|
|
int_btn = BUTTON_NONE;
|
|
|
|
if (syn_get_status())
|
|
{
|
|
/* disable interrupt while we read the touchpad */
|
|
syn_int_enable(false);
|
|
|
|
val = syn_read(data, 4);
|
|
if (val > 0)
|
|
{
|
|
val = data[0] & 0xff; /* packet header */
|
|
id = (data[1] >> 4) & 0xf; /* packet id */
|
|
|
|
logf("syn_read:");
|
|
logf(" data[0] = 0x%08x", data[0]);
|
|
logf(" data[1] = 0x%08x", data[1]);
|
|
logf(" data[2] = 0x%08x", data[2]);
|
|
logf(" data[3] = 0x%08x", data[3]);
|
|
|
|
if ((val == MEP_BUTTON_HEADER) && (id == MEP_BUTTON_ID))
|
|
{
|
|
/* Buttons packet */
|
|
if (data[1] & 0x1)
|
|
int_btn |= BUTTON_LEFT;
|
|
if (data[1] & 0x2)
|
|
int_btn |= BUTTON_RIGHT;
|
|
|
|
/* An Absolute packet should follow which we ignore */
|
|
val = syn_read(data, 4);
|
|
logf(" int_btn = 0x%04x", int_btn);
|
|
}
|
|
else if (val == MEP_ABSOLUTE_HEADER)
|
|
{
|
|
/* Absolute packet - the finger is on the vertical strip.
|
|
Position ranges from 1-4095, with 1 at the bottom. */
|
|
val = ((data[1] >> 4) << 8) | data[2]; /* position */
|
|
|
|
logf(" pos %d", val);
|
|
logf(" z %d", data[3]);
|
|
logf(" finger %d", data[1] & 0x1);
|
|
logf(" gesture %d", data[1] & 0x2);
|
|
logf(" RelPosVld %d", data[1] & 0x4);
|
|
|
|
if(data[1] & 0x1) /* if finger on touch strip */
|
|
{
|
|
if ((val > 0) && (val <= 1365))
|
|
int_btn |= BUTTON_DOWN;
|
|
else if ((val > 1365) && (val <= 2730))
|
|
int_btn |= BUTTON_SELECT;
|
|
else if ((val > 2730) && (val <= 4095))
|
|
int_btn |= BUTTON_UP;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* re-enable interrupts */
|
|
syn_int_enable(true);
|
|
}
|
|
}
|
|
#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 & 0x01)) btn |= BUTTON_MENU;
|
|
if (!(GPIOA_INPUT_VAL & 0x02)) btn |= BUTTON_VOL_UP;
|
|
if (!(GPIOA_INPUT_VAL & 0x04)) btn |= BUTTON_VOL_DOWN;
|
|
if (!(GPIOA_INPUT_VAL & 0x08)) btn |= BUTTON_VIEW;
|
|
if (!(GPIOD_INPUT_VAL & 0x20)) btn |= BUTTON_PLAYLIST;
|
|
if (!(GPIOD_INPUT_VAL & 0x40)) btn |= BUTTON_POWER;
|
|
|
|
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;
|
|
}
|