/****************************************************************************
* configs/olimex-lpc1766stk/src/up_leds.c
* arch/arm/src/board/up_leds.c
*
* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "up_internal.h"
#include "lpc17_internal.h"
#include "lpc1766stk_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* Enables debug output from this file (needs CONFIG_DEBUG with
* CONFIG_DEBUG_VERBOSE too)
*/
#undef LED_DEBUG /* Define to enable debug */
#undef LED_VERBOSE /* Define to enable verbose debug */
#ifdef LED_DEBUG
# define leddbg lldbg
# ifdef LED_VERBOSE
# define ledvdbg lldbg
# else
# define ledvdbg(x...)
# endif
#else
# undef LED_VERBOSE
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/* Dump GPIO registers */
#ifdef LED_VERBOSE
# define led_dumpgpio(m) lpc17_dumpgpio(???, m)
#else
# define led_dumpgpio(m)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
static bool g_uninitialized = true;
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: lpc17_ledinit/up_ledinit
****************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void lpc17_ledinit(void) /* Name when invoked externally */
#else
void up_ledinit(void) /* Name when invoked via up_boot.c */
#endif
{
/* Configure all LED GPIO lines */
led_dumpgpio("up_ledinit() Entry)");
lpc17_configgpio(LPC1766STK_LED1);
lpc17_configgpio(LPC1766STK_LED2);
led_dumpgpio("up_ledinit() Exit");
}
/****************************************************************************
* Name: lpc17_setled
****************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void lpc17_setled(int led, bool ledon)
{
if (led == BOARD_LED1)
{
lpc17_gpiowrite(LPC1766STK_LED1, !ledon);
}
else if (led == BOARD_LED2)
{
lpc17_gpiowrite(LPC1766STK_LED2, !ledon);
}
}
#endif
/****************************************************************************
* Name: lpc17_setleds
****************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void lpc17_setleds(uint8_t ledset)
{
lpc17_gpiowrite(LPC1766STK_LED1, (ledset & BOARD_LED1_BIT) == 0);
lpc17_gpiowrite(LPC1766STK_LED2, (ledset & BOARD_LED2_BIT) == 0);
}
#endif
/****************************************************************************
* Name: up_ledon
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void up_ledon(int led)
{
switch (led)
{
default:
case 0 : /* STARTED, HEAPALLOCATE, IRQSENABLED */
lpc17_gpiowrite(LPC1766STK_LED1, true);
lpc17_gpiowrite(LPC1766STK_LED2, true);
break;
case 1 : /* STACKCREATED */
lpc17_gpiowrite(LPC1766STK_LED1, false);
lpc17_gpiowrite(LPC1766STK_LED2, true);
g_uninitialized = false;
break;
case 2 : /* INIRQ, SIGNAL, ASSERTION, PANIC */
lpc17_gpiowrite(LPC1766STK_LED2, false);
break;
case 3 : /* IDLE */
lpc17_gpiowrite(LPC1766STK_LED1, true);
break;
}
}
#endif
/****************************************************************************
* Name: up_ledoff
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void up_ledoff(int led)
{
switch (led)
{
default:
case 0 : /* STARTED, HEAPALLOCATE, IRQSENABLED */
case 1 : /* STACKCREATED */
lpc17_gpiowrite(LPC1766STK_LED1, true);
case 2 : /* INIRQ, SIGNAL, ASSERTION, PANIC */
lpc17_gpiowrite(LPC1766STK_LED2, true);
break;
case 3 : /* IDLE */
lpc17_gpiowrite(LPC1766STK_LED1, g_uninitialized);
break;
}
}
#endif
