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   1 /**
   2  * Copyright (c) 2010-2020 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.onewire.internal.device;
  14
  15 import static org.openhab.binding.onewire.internal.OwBindingConstants.*;
  16
  17 import javax.measure.quantity.Dimensionless;
  18 import javax.measure.quantity.Temperature;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.openhab.binding.onewire.internal.OwException;
  22 import org.openhab.binding.onewire.internal.SensorId;
  23 import org.openhab.binding.onewire.internal.Util;
  24 import org.openhab.binding.onewire.internal.handler.OwBaseThingHandler;
  25 import org.openhab.binding.onewire.internal.handler.OwserverBridgeHandler;
  26 import org.openhab.binding.onewire.internal.owserver.OwserverDeviceParameter;
  27 import org.openhab.core.library.types.DecimalType;
  28 import org.openhab.core.library.types.QuantityType;
  29 import org.openhab.core.library.unit.SIUnits;
  30 import org.openhab.core.library.unit.SmartHomeUnits;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link DS1923} class defines an DS1923 device
  36  *
  37  * @author Jan N. Klug - Initial contribution
  38  * @author Michał Wójcik - Adapted to DS1923
  39  */
  40 @NonNullByDefault
  41 public class DS1923 extends AbstractOwDevice {
  42     private final Logger logger = LoggerFactory.getLogger(DS1923.class);
  43     private final OwserverDeviceParameter temperatureParameter = new OwserverDeviceParameter("/temperature");
  44     private final OwserverDeviceParameter humidityParameter = new OwserverDeviceParameter("/humidity");
  45
  46     public DS1923(SensorId sensorId, OwBaseThingHandler callback) {
  47         super(sensorId, callback);
  48     }
  49
  50     @Override
  51     public void configureChannels() throws OwException {
  52         isConfigured = true;
  53     }
  54
  55     @Override
  56     public void refresh(OwserverBridgeHandler bridgeHandler, Boolean forcedRefresh) throws OwException {
  57         if (isConfigured) {
  58             logger.trace("refresh of sensor {} started", sensorId);
  59             if (enabledChannels.contains(CHANNEL_TEMPERATURE) || enabledChannels.contains(CHANNEL_HUMIDITY)
  60                     || enabledChannels.contains(CHANNEL_ABSOLUTE_HUMIDITY)
  61                     || enabledChannels.contains(CHANNEL_DEWPOINT)) {
  62                 QuantityType<Temperature> temperature = new QuantityType<>(
  63                         (DecimalType) bridgeHandler.readDecimalType(sensorId, temperatureParameter), SIUnits.CELSIUS);
  64                 callback.postUpdate(CHANNEL_TEMPERATURE, temperature);
  65
  66                 if (enabledChannels.contains(CHANNEL_HUMIDITY) || enabledChannels.contains(CHANNEL_ABSOLUTE_HUMIDITY)
  67                         || enabledChannels.contains(CHANNEL_DEWPOINT)) {
  68                     QuantityType<Dimensionless> humidity = new QuantityType<>(
  69                             (DecimalType) bridgeHandler.readDecimalType(sensorId, humidityParameter),
  70                             SmartHomeUnits.PERCENT);
  71
  72                     if (enabledChannels.contains(CHANNEL_HUMIDITY)) {
  73                         callback.postUpdate(CHANNEL_HUMIDITY, humidity);
  74                     }
  75
  76                     if (enabledChannels.contains(CHANNEL_ABSOLUTE_HUMIDITY)) {
  77                         callback.postUpdate(CHANNEL_ABSOLUTE_HUMIDITY,
  78                                 Util.calculateAbsoluteHumidity(temperature, humidity));
  79                     }
  80
  81                     if (enabledChannels.contains(CHANNEL_DEWPOINT)) {
  82                         callback.postUpdate(CHANNEL_DEWPOINT, Util.calculateDewpoint(temperature, humidity));
  83                     }
  84                 }
  85             }
  86         }
  87     }
  88 }