0cabf070ad
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3509 42af7a65-404d-4744-a932-0658087f49c3
158 lines
4.4 KiB
C
Executable File
158 lines
4.4 KiB
C
Executable File
/****************************************************************************
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* configs/lpcxpresso-lpc1768/src/up_leds.c
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* arch/arm/src/board/up_leds.c
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <debug.h>
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#include "up_arch.h"
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#include "up_internal.h"
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#include "lpc17_internal.h"
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#include "lpcxpresso_internal.h"
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#ifdef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* Enables debug output from this file (needs CONFIG_DEBUG with
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* CONFIG_DEBUG_VERBOSE too)
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*/
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#undef LED_DEBUG /* Define to enable debug */
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#undef LED_VERBOSE /* Define to enable verbose debug */
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#ifdef LED_DEBUG
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# define leddbg lldbg
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# ifdef LED_VERBOSE
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# define ledvdbg lldbg
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# else
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# define ledvdbg(x...)
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# endif
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#else
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# undef LED_VERBOSE
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# define leddbg(x...)
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# define ledvdbg(x...)
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static bool g_ncstate;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_ledinit
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****************************************************************************/
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void up_ledinit(void)
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{
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/* Configure all LED GPIO lines */
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lpc17_configgpio(LPCXPRESSO_LED);
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g_ncstate = true;
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}
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/****************************************************************************
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* Name: up_ledon
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****************************************************************************/
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void up_ledon(int led)
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{
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bool off;
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switch (led)
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{
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case 0:
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case 2:
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off = true;
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break;
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case 1:
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off = false;
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g_ncstate = false;
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break;
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default:
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return;
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}
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lpc17_gpiowrite(LPCXPRESSO_LED, off);
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}
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/****************************************************************************
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* Name: up_ledoff
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****************************************************************************/
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void up_ledoff(int led)
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{
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bool off;
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switch (led)
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{
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case 0:
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case 1:
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off = false;
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break;
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case 2:
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off = g_ncstate;
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break;
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default:
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return;
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}
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lpc17_gpiowrite(LPCXPRESSO_LED, off);
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}
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#endif /* CONFIG_ARCH_LEDS */
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