0e7c2d25c2
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5494 42af7a65-404d-4744-a932-0658087f49c3
169 lines
5.2 KiB
C
169 lines
5.2 KiB
C
/****************************************************************************
|
|
* configs/lm3s6965-ek/src/up_leds.c
|
|
* arch/arm/src/board/up_leds.c
|
|
*
|
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
|
* Authors: Gregory Nutt <gnutt@nuttx.org>
|
|
* Jose Pablo Rojas V. <jrojas@nx-engineering.com>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdbool.h>
|
|
#include <debug.h>
|
|
|
|
#include <arch/board/board.h>
|
|
|
|
#include "chip.h"
|
|
#include "up_arch.h"
|
|
#include "up_internal.h"
|
|
#include "lm_gpio.h"
|
|
#include "ekklm3s9b96_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Definitions
|
|
****************************************************************************/
|
|
|
|
/* Enables debug output from this file (needs CONFIG_DEBUG with
|
|
* CONFIG_DEBUG_VERBOSE too)
|
|
*/
|
|
|
|
#undef LED_DEBUG /* Define to enable debug */
|
|
|
|
#ifdef LED_DEBUG
|
|
# define leddbg lldbg
|
|
# define ledvdbg llvdbg
|
|
#else
|
|
# define leddbg(x...)
|
|
# define ledvdbg(x...)
|
|
#endif
|
|
|
|
/* Dump GPIO registers */
|
|
|
|
#ifdef LED_DEBUG
|
|
# define led_dumpgpio(m) lm3s_dumpgpio(LED_GPIO, m)
|
|
#else
|
|
# define led_dumpgpio(m)
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
static uint8_t g_nest;
|
|
|
|
/****************************************************************************
|
|
* Name: up_ledinit
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ARCH_LEDS
|
|
void up_ledinit(void)
|
|
{
|
|
leddbg("Initializing\n");
|
|
|
|
/* Configure Port D, Bit 0 as an output, initial value=OFF */
|
|
|
|
led_dumpgpio("up_ledinit before lm3s_configgpio()");
|
|
lm3s_configgpio(LED_GPIO);
|
|
led_dumpgpio("up_ledinit after lm3s_configgpio()");
|
|
g_nest = 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: up_ledon
|
|
****************************************************************************/
|
|
|
|
void up_ledon(int led)
|
|
{
|
|
switch (led)
|
|
{
|
|
case LED_STARTED:
|
|
case LED_HEAPALLOCATE:
|
|
default:
|
|
break;
|
|
|
|
case LED_INIRQ:
|
|
case LED_SIGNAL:
|
|
case LED_ASSERTION:
|
|
case LED_PANIC:
|
|
g_nest++;
|
|
case LED_IRQSENABLED:
|
|
case LED_STACKCREATED:
|
|
led_dumpgpio("up_ledon: before lm3s_gpiowrite()");
|
|
lm3s_gpiowrite(LED_GPIO, false);
|
|
led_dumpgpio("up_ledon: after lm3s_gpiowrite()");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: up_ledoff
|
|
****************************************************************************/
|
|
|
|
void up_ledoff(int led)
|
|
{
|
|
switch (led)
|
|
{
|
|
case LED_IRQSENABLED:
|
|
case LED_STACKCREATED:
|
|
case LED_STARTED:
|
|
case LED_HEAPALLOCATE:
|
|
default:
|
|
break;
|
|
|
|
case LED_INIRQ:
|
|
case LED_SIGNAL:
|
|
case LED_ASSERTION:
|
|
case LED_PANIC:
|
|
if (--g_nest <= 0)
|
|
{
|
|
led_dumpgpio("up_ledoff: before lm3s_gpiowrite()");
|
|
lm3s_gpiowrite(LED_GPIO, true);
|
|
led_dumpgpio("up_ledoff: after lm3s_gpiowrite()");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_ARCH_LEDS */
|