80 lines
2 KiB
C
80 lines
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) 2002 by Alan Korr
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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 "config.h"
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#include <stdbool.h>
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#include "cpu.h"
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#include "led.h"
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#include "system.h"
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#include "kernel.h"
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#if (CONFIG_LED == LED_REAL)
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#if defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
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#define LED_ON GPIO_CLEAR_BITWISE(GPIOF_OUTPUT_VAL, 0x20)
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#define LED_OFF GPIO_SET_BITWISE(GPIOF_OUTPUT_VAL, 0x20)
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#else
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#define LED_ON or_b(0x40, &PBDRL)
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#define LED_OFF and_b(~0x40, &PBDRL)
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#endif /* SAMSUNG_YH920 || SAMSUNG_YH925 */
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void led(bool on)
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{
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if ( on )
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{
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LED_ON;
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}
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else
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{
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LED_OFF;
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}
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}
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#elif (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
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static bool current;
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static long last_on; /* timestamp of switching off */
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void led(bool on)
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{
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if (current && !on) /* switching off */
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{
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last_on = current_tick; /* remember for off delay */
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}
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current = on;
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}
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bool led_read(int delayticks) /* read by status bar update */
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{
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/* reading "off" is delayed by user-supplied monoflop value */
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return (current || TIME_BEFORE(current_tick, last_on+delayticks));
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}
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#else
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void led(bool on)
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{
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(void)on;
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}
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#endif /* CONFIG_LED, HAVE_REMOTE_LCD */
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