leds-arch.c

/**
 * Copyright (c) 2014, Analog Devices, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted (subject to the limitations in the
 * disclaimer below) provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - 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.
 *
 * - Neither the name of Analog Devices, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
 * GRANTED BY THIS LICENSE.  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.
 */
/**
 * \author Jim Paris <jim.paris@rigado.com>
 */

#include "contiki.h"
#include "dev/leds.h"
#include "platform-conf.h"
#include "aducrf101-contiki.h"

/* e.g. pADI_GP4 */
#define GPIO CC_CONCAT(pADI_GP, LED_GPIO)

/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
  /* Set LED pin as a GPIO output */
  GPIO->GPOEN |= (1UL << LED_PIN);
  leds_arch_set(0);
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
  if(GPIO->GPOUT & (1UL << LED_PIN)) {
    return 0;
  } else {
    return 1;
  }
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
  if(leds & 1) {
    GPIO->GPCLR = (1UL << LED_PIN);
  } else {
    GPIO->GPSET = (1UL << LED_PIN);
  }
}
/*---------------------------------------------------------------------------*/

/**
 * @}
 * @}
 */