71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/***************************************************************************
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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) 2007 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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void button_init_device(void)
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{
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/* TODO...for now, hardware initialisation is done by the c200 bootloader */
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}
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bool button_hold(void)
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{
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return !(GPIOI_INPUT_VAL & 0x80);
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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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#ifndef BOOTLOADER
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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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#endif
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hold_button = button_hold();
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#ifndef BOOTLOADER
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if (hold_button != hold_button_old)
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backlight_hold_changed(hold_button);
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#endif
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/* device buttons */
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if (!hold_button)
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{
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if ( (GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_POWER;
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if (!(GPIOG_INPUT_VAL & 0x10)) btn |= BUTTON_UP;
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if (!(GPIOH_INPUT_VAL & 0x01)) btn |= BUTTON_DOWN;
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if (!(GPIOI_INPUT_VAL & 0x04)) btn |= BUTTON_LEFT;
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if (!(GPIOG_INPUT_VAL & 0x02)) btn |= BUTTON_RIGHT;
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if (!(GPIOL_INPUT_VAL & 0x04)) btn |= BUTTON_SELECT;
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if (!(GPIOG_INPUT_VAL & 0x01)) btn |= BUTTON_REC;
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if (!(GPIOL_INPUT_VAL & 0x10)) btn |= BUTTON_VOL_UP;
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if (!(GPIOL_INPUT_VAL & 0x20)) btn |= BUTTON_VOL_DOWN;
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}
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return btn;
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}
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