/*
 * Copyright (c) 2017, George Oikonomou - http://www.spd.gr
 * 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.
 */
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "dev/rgb-led/rgb-led.h"
#include "sys/etimer.h"

#include <stdio.h>
/*---------------------------------------------------------------------------*/
static struct etimer et;
static uint8_t counter;
/*---------------------------------------------------------------------------*/
PROCESS(rgb_led_example, "RGB LED Example");
AUTOSTART_PROCESSES(&rgb_led_example);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(rgb_led_example, ev, data)
{
  PROCESS_BEGIN();

  counter = 0;

  etimer_set(&et, CLOCK_SECOND);

  while(1) {

    PROCESS_YIELD();

    if(ev == PROCESS_EVENT_TIMER && data == &et) {
      if((counter & 7) == 0) {
        rgb_led_off();
      } else if((counter & 7) == 1) {
        rgb_led_set(RGB_LED_RED);
      } else if((counter & 7) == 2) {
        rgb_led_set(RGB_LED_GREEN);
      } else if((counter & 7) == 3) {
        rgb_led_set(RGB_LED_BLUE);
      } else if((counter & 7) == 4) {
        rgb_led_set(RGB_LED_CYAN);
      } else if((counter & 7) == 5) {
        rgb_led_set(RGB_LED_MAGENTA);
      } else if((counter & 7) == 6) {
        rgb_led_set(RGB_LED_YELLOW);
      } else if((counter & 7) == 7) {
        rgb_led_set(RGB_LED_WHITE);
      }

      counter++;
      etimer_set(&et, CLOCK_SECOND);
    }
  }

  PROCESS_END();
}
/*---------------------------------------------------------------------------*/