leds-arch.c

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/*
 * Copyright (c) 2015, Zolertia - http://www.zolertia.com
 * Copyright (c) 2015, University of Bristol - http://www.bristol.ac.uk
 * All rights reserved.
 *
 * 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 of the copyright holder 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 HOLDER 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.
 */
/**
 * \addtogroup zoul
 * @{
 *
 * \defgroup zoul-leds Zoul LED driver
 *
 * LED driver implementation for the Zoul-based platforms
 * @{
 *
 * \file
 * LED driver implementation for the Zoul-based platforms
 */
#include "contiki.h"
#include "reg.h"
#include "dev/leds.h"
#include "dev/ioc.h"
#include "dev/gpio.h"
/*---------------------------------------------------------------------------*/
#define LEDS_GPIO_PIN_MASK   LEDS_ALL
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
  GPIO_SET_OUTPUT(GPIO_D_BASE, LEDS_GPIO_PIN_MASK);

  int i;
  for (i = 0; i < 8; i++) {
    if (LEDS_GPIO_PIN_MASK & (1 << i)) {
      ioc_set_over(GPIO_D_NUM, i, IOC_OVERRIDE_OE);
    }
  }
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
  return GPIO_READ_PIN(GPIO_D_BASE, LEDS_GPIO_PIN_MASK);
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
  GPIO_WRITE_PIN(GPIO_D_BASE, LEDS_GPIO_PIN_MASK, leds);
}
/*---------------------------------------------------------------------------*/

/**
 * @}
 * @}
 */