contiki/examples/zolertia/zoul/test-pm10-sensor.c

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/*
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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-examples
* @{
* \defgroup zoul-pm10-sensor-test Test PM10 sensor
*
* Demonstrates the operation of the Sharp PM10 analog sensor
* @{
*
* \file
* GP2Y1010AU0F PM10 sensor example using the ADC sensors wrapper
*
* \author
* Toni Lozano <tlozano@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include <stdio.h>
#include "cpu.h"
#include "contiki.h"
#include "dev/leds.h"
#include "dev/adc-sensors.h"
#include "dev/zoul-sensors.h"
#include "lib/sensors.h"
#include "dev/sys-ctrl.h"
#include "dev/pm10-sensor.h"
/*---------------------------------------------------------------------------*/
#define ADC_PIN 2
#define SENSOR_READ_INTERVAL (CLOCK_SECOND)
/*---------------------------------------------------------------------------*/
PROCESS(test_pm10_sensor_process, "Test PM10 sensor process");
AUTOSTART_PROCESSES(&test_pm10_sensor_process);
/*---------------------------------------------------------------------------*/
static struct etimer et;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_pm10_sensor_process, ev, data)
{
PROCESS_BEGIN();
static uint16_t pm10_value;
/* Use pin number not mask, for example if using the PA5 pin then use 2 */
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pm10.configure(SENSORS_ACTIVE, ADC_PIN);
/* And periodically poll the sensor */
while(1) {
etimer_set(&et, SENSOR_READ_INTERVAL);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
leds_toggle(LEDS_GREEN);
pm10_value = pm10.value(1);
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if(pm10_value != ADC_WRAPPER_ERROR) {
printf("PM10 value = %u ppm\n", pm10_value);
} else {
printf("Error, enable the DEBUG flag in adc-wrapper.c for info\n");
PROCESS_EXIT();
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/