nes-proj/examples/platform-specific/zoul/test-vac-sensor.c

/*
 * Copyright (c) 2016, Zolertia - http://www.zolertia.com
 * 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
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/*---------------------------------------------------------------------------*/
/**
 * \addtogroup zoul-examples
 * @{
 *
 * \defgroup zoul-vac-sensor-test Test VAC sensor
 *
 * Demonstrates the operation of the voltage VAC analog sensor
 * @{
 *
 * \file
 *         Example demonstrating the RE-Mote & VAC sensor 0-5V 250V AC
 *
 * \author
 *         Javier Sánchez <asanchez@zolertia.com>
 */
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "sys/etimer.h"
#include "sys/rtimer.h"
#include "dev/leds.h"
#include "dev/adc-sensors.h"
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define ADC_PIN             2
#define LOOP_PERIOD         2
#define LOOP_INTERVAL       (CLOCK_SECOND * LOOP_PERIOD)
#define LEDS_PERIODIC       LEDS_GREEN
#define BUTTON_PRESS_EVENT_INTERVAL (CLOCK_SECOND)
/*---------------------------------------------------------------------------*/
static struct etimer et;

static uint16_t counter;
/*---------------------------------------------------------------------------*/
PROCESS(test_vac_sensor_process, "test VAC sensor process");
AUTOSTART_PROCESSES(&test_vac_sensor_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_vac_sensor_process, ev, data)
{

  PROCESS_BEGIN();

  counter = 0;

  /* Configure the ADC ports */
  /* Use pin number not mask, for example if using the PA5 pin then use 5 */
  adc_sensors.configure(ANALOG_VAC_SENSOR, ADC_PIN);

  printf("VAC test application\n");
  leds_on(LEDS_PERIODIC);
  etimer_set(&et, LOOP_INTERVAL);

  while(1) {

    PROCESS_YIELD();

    if(ev == PROCESS_EVENT_TIMER) {
      leds_toggle(LEDS_PERIODIC);

      printf("-----------------------------------------\n"
             "Counter = 0x%08x\n", counter);

      /*AC voltage value, with applied corresponding sensor algorithm*/
      printf("AC voltage = %d V\n", adc_sensors.value(ANALOG_VAC_SENSOR));

      etimer_set(&et, LOOP_INTERVAL);
      counter++;
    }
  }
  PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
 * @}
 * @}
 */