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/****************************************************************************
* configs/eagle100/src/up_leds.c
* arch/arm/src/board/up_leds.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 <sys/types.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "up_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_ledinit
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void up_ledinit(void)
{
/* Make sure that the GPIOE peripheral is enabled */
modifyreg32(LM3S_SYSCON_RCGC2_OFFSET, 0, SYSCON_RCGC2_GPIOE);
/* Configure Port E, Bit 1 as an output, initial value=OFF */
lm3s_configgpio(GPIO_DIR_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTE | 1);
}
/****************************************************************************
* Name: up_ledon
****************************************************************************/
void up_ledon(int led)
{
switch (led)
{
case LED_STARTED:
case LED_HEAPALLOCATE:
default:
break;
case LED_IRQSENABLED:
case LED_STACKCREATED:
case LED_INIRQ:
case LED_SIGNAL:
case LED_ASSERTION:
case LED_PANIC:
modifyreg32(LM3S_GPIOE_DATA, 0, (1 << 1));
break;
}
}
/****************************************************************************
* Name: up_ledoff
****************************************************************************/
void up_ledoff(int led)
{
switch (led)
{
case LED_IRQSENABLED:
case LED_STACKCREATED:
default:
break;
case LED_STARTED:
case LED_HEAPALLOCATE:
case LED_INIRQ:
case LED_SIGNAL:
case LED_ASSERTION:
case LED_PANIC:
modifyreg32(LM3S_GPIOE_DATA, (1 << 1), 0);
break;
}
}
#endif /* CONFIG_ARCH_LEDS */
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