examples/BeamSensor/BeamSensor.ino

/*
 * Copyright (c) 2017, CESAR.
 * All rights reserved.
 *
 * This software may be modified and distributed under the terms
 * of the BSD license. See the LICENSE file for details.
 *
 */

/*
 * The default behavior for a Thing is to send data every 30 seconds.
 * To change its behavior on the firmware side, use the function
 * registerDefaultConfig(). See the documentation and lib examples.
 */

#include <KNoTThing.h>

#define BEAM_SENSOR_1_ID      1
#define BEAM_SENSOR_1_NAME    "Beam Sensor 1"
#define BEAM_SENSOR_1_PIN     2

#define BEAM_SENSOR_2_ID      2
#define BEAM_SENSOR_2_NAME    "Beam Sensor 2"
#define BEAM_SENSOR_2_PIN     5

static KNoTThing thing;

static int beam_read_1(uint8_t *val)
{
	*val = digitalRead(BEAM_SENSOR_1_PIN);

	return 0;
}

static int beam_read_2(uint8_t *val)
{
	*val = digitalRead(BEAM_SENSOR_2_PIN);

	return 0;
}

void setup()
{
	Serial.begin(9600);

	pinMode(BEAM_SENSOR_1_PIN, INPUT);
	pinMode(BEAM_SENSOR_2_PIN, INPUT);

	thing.init("Beam Sensor");

	thing.registerBoolData(BEAM_SENSOR_1_NAME, BEAM_SENSOR_1_ID,
			KNOT_TYPE_ID_PRESENCE, KNOT_UNIT_NOT_APPLICABLE,
			beam_read_1, NULL);

	thing.registerBoolData(BEAM_SENSOR_2_NAME, BEAM_SENSOR_2_ID,
			KNOT_TYPE_ID_PRESENCE, KNOT_UNIT_NOT_APPLICABLE,
			beam_read_2, NULL);

	/*Every time the Beam sensor changes its value, it send data*/
	thing.registerDefaultConfig(BEAM_SENSOR_1_ID, KNOT_EVT_FLAG_CHANGE, 0, 0, 0, 0, 0);

	thing.registerDefaultConfig(BEAM_SENSOR_2_ID, KNOT_EVT_FLAG_CHANGE, 0, 0, 0, 0, 0);

	Serial.println(F("Beam Sensor KNoT Demo"));
}

void loop()
{
	thing.run();
}