/****************************************************************************
* configs/mcu123-lpc214x/src/up_leds.c
*
* Copyright (C) 2007-2009 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 "chip.h"
#include "up_arch.h"
#include "up_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* P1.16-P1.23 control LEDS 1-8 */
#define LEDBIT(led) (0x00010000 << (led))
#define ALLLEDS (0x00ff0000)
#ifdef CONFIG_LPC214x_FIO
# define putled(v,r) putreg32((v),(LPC214X_FIO1_BASE+(r)))
# define CLRLEDS putled(ALLLEDS,LPC214X_FIO_SET_OFFSET)
# define LED_SET_OFFSET LPC214X_FIO_SET_OFFSET
# define LED_CLR_OFFSET LPC214X_FIO_CLR_OFFSET
# define LED_DIR_OFFSET LPC214X_FIO_DIR_OFFSET
#else
# define putled(v,r) putreg32((v),(LPC214X_GPIO1_BASE+(r)))
# define CLRLEDS putled(ALLLEDS,LPC214X_GPIO_SET_OFFSET)
# define LED_SET_OFFSET LPC214X_GPIO_SET_OFFSET
# define LED_CLR_OFFSET LPC214X_GPIO_CLR_OFFSET
# define LED_DIR_OFFSET LPC214X_GPIO_DIR_OFFSET
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Funtions
****************************************************************************/
/****************************************************************************
* Name: up_ledinit
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void up_ledinit(void)
{
/* Initilize GIOs P1.16-P1.23 */
putled(ALLLEDS,LED_DIR_OFFSET);
putled(ALLLEDS,LED_SET_OFFSET);
putled(LEDBIT(0),LED_CLR_OFFSET);
}
/****************************************************************************
* Name: up_ledon
****************************************************************************/
void up_ledon(int led)
{
putled(LEDBIT(led),LED_CLR_OFFSET);
}
/****************************************************************************
* Name: up_ledoff
****************************************************************************/
void up_ledoff(int led)
{
putled(LEDBIT(led),LED_SET_OFFSET);
}
#endif /* CONFIG_ARCH_LEDS */
