90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
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/***************************************************************************
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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) 2006 by Barry Wardell
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 <stdlib.h>
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#include "config.h"
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#include "cpu.h"
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#include "system.h"
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#include "button.h"
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#include "kernel.h"
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#include "backlight.h"
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#include "adc.h"
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#include "system.h"
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void button_init_device(void)
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{
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}
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bool button_hold(void)
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{
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return (GPIO5_READ & 4) ? false : true;
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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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int data;
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static bool hold_button = false;
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bool hold_button_old;
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/* normal buttons */
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hold_button_old = hold_button;
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hold_button = button_hold();
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if (hold_button != hold_button_old)
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backlight_hold_changed(hold_button);
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if (!button_hold())
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{
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data = adc_read(ADC_BUTTONS);
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if (data < 0x35c)
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{
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if (data < 0x151)
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if (data < 0xc7)
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if (data < 0x41)
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btn = BUTTON_LEFT;
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else
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btn = BUTTON_RIGHT;
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else
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btn = BUTTON_SELECT;
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else
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if (data < 0x268)
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if (data < 0x1d7)
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btn = BUTTON_UP;
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else
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btn = BUTTON_DOWN;
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else
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if (data < 0x2f9)
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btn = BUTTON_EQ;
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else
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btn = BUTTON_MODE;
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}
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if (adc_read(ADC_BUTTON_PLAY) < 0x64)
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btn |= BUTTON_PLAY;
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}
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return btn;
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}
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