172 lines
5.2 KiB
C
172 lines
5.2 KiB
C
/****************************************************************************
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* configs/eagle100/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) 2009-2010 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 <arch/board/board.h>
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#include "chip.h"
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#include "up_arch.h"
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#include "up_internal.h"
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#include "lm3s_internal.h"
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#include "eagle100_internal.h"
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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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#ifdef LED_DEBUG
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# define leddbg lldbg
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# define ledvdbg llvdbg
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#else
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# define leddbg(x...)
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# define ledvdbg(x...)
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#endif
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/* Dump GPIO registers */
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#ifdef LED_DEBUG
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# define led_dumpgpio(m) lm3s_dumpgpio(LED_GPIO, m)
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#else
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# define led_dumpgpio(m)
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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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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static uint8_t g_nest;
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/****************************************************************************
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* Name: up_ledinit
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*
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* Description:
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* Initialize on-board LEDs.
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*
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void up_ledinit(void)
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{
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leddbg("Initializing\n");
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/* Configure Port E, Bit 1 as an output, initial value=OFF */
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led_dumpgpio("up_ledinit before lm3s_configgpio()");
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lm3s_configgpio(LED_GPIO);
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led_dumpgpio("up_ledinit after lm3s_configgpio()");
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g_nest = 0;
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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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switch (led)
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{
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case LED_STARTED:
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case LED_HEAPALLOCATE:
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default:
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break;
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case LED_INIRQ:
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case LED_SIGNAL:
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case LED_ASSERTION:
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case LED_PANIC:
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g_nest++;
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case LED_IRQSENABLED:
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case LED_STACKCREATED:
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led_dumpgpio("up_ledon: before lm3s_gpiowrite()");
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lm3s_gpiowrite(LED_GPIO, false);
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led_dumpgpio("up_ledon: after lm3s_gpiowrite()");
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break;
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}
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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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switch (led)
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{
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case LED_IRQSENABLED:
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case LED_STACKCREATED:
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case LED_STARTED:
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case LED_HEAPALLOCATE:
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default:
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break;
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case LED_INIRQ:
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case LED_SIGNAL:
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case LED_ASSERTION:
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case LED_PANIC:
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if (--g_nest <= 0)
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{
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led_dumpgpio("up_ledoff: before lm3s_gpiowrite()");
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lm3s_gpiowrite(LED_GPIO, true);
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led_dumpgpio("up_ledoff: after lm3s_gpiowrite()");
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}
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break;
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}
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}
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#endif /* CONFIG_ARCH_LEDS */
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