08585e417b
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19395 a1c6a512-1295-4272-9138-f99709370657
96 lines
2.9 KiB
C
Executable file
96 lines
2.9 KiB
C
Executable file
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Mark Arigo
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "button.h"
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#include "backlight.h"
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/* Remember last buttons, to make single buzz sound */
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int btn_old;
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/*
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* Generate a click sound from the player (not in headphones yet)
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* TODO: integrate this with the "key click" option
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*/
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void button_click(void)
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{
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GPO32_ENABLE |= 0x2000;
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GPIOD_OUTPUT_VAL |= 0x8;
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udelay(1000);
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GPO32_VAL &= ~0x2000;
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}
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void button_init_device(void)
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{
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/* TODO...for now, hardware initialisation is done by the bootloader */
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}
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bool button_hold(void)
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{
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return !(GPIOJ_INPUT_VAL & 0x8);
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}
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/*
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* Get button pressed from hardware
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*/
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int button_read_device(void)
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{
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int btn = BUTTON_NONE;
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static bool hold_button = false;
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bool hold_button_old;
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/* Hold */
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hold_button_old = hold_button;
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hold_button = button_hold();
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/* device buttons */
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if (!hold_button)
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{
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/* These are the correct button definitions
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if (!(GPIOA_INPUT_VAL & 0x01)) btn |= BUTTON_MENU;
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if (!(GPIOA_INPUT_VAL & 0x02)) btn |= BUTTON_VOL_UP;
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if (!(GPIOA_INPUT_VAL & 0x04)) btn |= BUTTON_VOL_DOWN;
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if (!(GPIOA_INPUT_VAL & 0x08)) btn |= BUTTON_VIEW;
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if (!(GPIOD_INPUT_VAL & 0x20)) btn |= BUTTON_PLAYLIST;
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if (!(GPIOD_INPUT_VAL & 0x40)) btn |= BUTTON_POWER;
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*/
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/* This is a hack until the touchpad works */
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if (!(GPIOA_INPUT_VAL & 0x01)) btn |= BUTTON_LEFT; /* BUTTON_MENU */
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if (!(GPIOA_INPUT_VAL & 0x02)) btn |= BUTTON_UP; /* BUTTON_VOL_UP */
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if (!(GPIOA_INPUT_VAL & 0x04)) btn |= BUTTON_DOWN; /* BUTTON_VOL_DOWN */
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if (!(GPIOA_INPUT_VAL & 0x08)) btn |= BUTTON_RIGHT; /* BUTTON_VIEW */
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if (!(GPIOD_INPUT_VAL & 0x20)) btn |= BUTTON_SELECT; /* BUTTON_PLAYLIST */
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if (!(GPIOD_INPUT_VAL & 0x40)) btn |= BUTTON_POWER;
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}
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if ((btn != btn_old) && (btn != BUTTON_NONE))
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button_click();
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btn_old = btn;
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return btn;
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}
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bool headphones_inserted(void)
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{
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return (GPIOE_INPUT_VAL & 0x80) ? true : false;
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}
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