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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.rfxcom.internal.messages;
  14
  15 import static org.openhab.binding.rfxcom.internal.RFXComBindingConstants.*;
  16 import static org.openhab.binding.rfxcom.internal.messages.ByteEnumUtil.fromByte;
  17
  18 import org.openhab.binding.rfxcom.internal.exceptions.RFXComException;
  19 import org.openhab.binding.rfxcom.internal.exceptions.RFXComUnsupportedChannelException;
  20 import org.openhab.binding.rfxcom.internal.exceptions.RFXComUnsupportedValueException;
  21 import org.openhab.binding.rfxcom.internal.handler.DeviceState;
  22 import org.openhab.core.library.types.DecimalType;
  23 import org.openhab.core.library.types.StringType;
  24 import org.openhab.core.types.State;
  25 import org.openhab.core.types.Type;
  26
  27 /**
  28  * RFXCOM data class for temperature and humidity message.
  29  *
  30  * @author Pauli Anttila - Initial contribution
  31  */
  32 public class RFXComTemperatureHumidityMessage
  33         extends RFXComBatteryDeviceMessage<RFXComTemperatureHumidityMessage.SubType> {
  34
  35     public enum SubType implements ByteEnumWrapper {
  36         TH1(1),
  37         TH2(2),
  38         TH3(3),
  39         TH4(4),
  40         TH5(5),
  41         TH6(6),
  42         TH7(7),
  43         TH8(8),
  44         TH9(9),
  45         TH10(10),
  46         TH11(11),
  47         TH12(12),
  48         TH13(13),
  49         TH14(14);
  50
  51         private final int subType;
  52
  53         SubType(int subType) {
  54             this.subType = subType;
  55         }
  56
  57         @Override
  58         public byte toByte() {
  59             return (byte) subType;
  60         }
  61     }
  62
  63     public enum HumidityStatus implements ByteEnumWrapper {
  64         NORMAL(0),
  65         COMFORT(1),
  66         DRY(2),
  67         WET(3);
  68
  69         private final int humidityStatus;
  70
  71         HumidityStatus(int humidityStatus) {
  72             this.humidityStatus = humidityStatus;
  73         }
  74
  75         @Override
  76         public byte toByte() {
  77             return (byte) humidityStatus;
  78         }
  79     }
  80
  81     public SubType subType;
  82     public int sensorId;
  83     public double temperature;
  84     public byte humidity;
  85     public HumidityStatus humidityStatus;
  86
  87     public RFXComTemperatureHumidityMessage() {
  88         super(PacketType.TEMPERATURE_HUMIDITY);
  89     }
  90
  91     public RFXComTemperatureHumidityMessage(byte[] data) throws RFXComException {
  92         encodeMessage(data);
  93     }
  94
  95     @Override
  96     public String toString() {
  97         String str = "";
  98
  99         str += super.toString();
 100         str += ", Sub type = " + subType;
 101         str += ", Device Id = " + getDeviceId();
 102         str += ", Temperature = " + temperature;
 103         str += ", Humidity = " + humidity;
 104         str += ", Humidity status = " + humidityStatus;
 105         str += ", Signal level = " + signalLevel;
 106         str += ", Battery level = " + batteryLevel;
 107
 108         return str;
 109     }
 110
 111     @Override
 112     public void encodeMessage(byte[] data) throws RFXComException {
 113         super.encodeMessage(data);
 114
 115         subType = fromByte(SubType.class, super.subType);
 116         sensorId = (data[4] & 0xFF) << 8 | (data[5] & 0xFF);
 117
 118         temperature = (short) ((data[6] & 0x7F) << 8 | (data[7] & 0xFF)) * 0.1;
 119         if ((data[6] & 0x80) != 0) {
 120             temperature = -temperature;
 121         }
 122
 123         humidity = data[8];
 124         humidityStatus = fromByte(HumidityStatus.class, data[9]);
 125
 126         signalLevel = (byte) ((data[10] & 0xF0) >> 4);
 127         batteryLevel = (byte) (data[10] & 0x0F);
 128     }
 129
 130     @Override
 131     public byte[] decodeMessage() {
 132         byte[] data = new byte[11];
 133
 134         data[0] = 0x0A;
 135         data[1] = RFXComBaseMessage.PacketType.TEMPERATURE_HUMIDITY.toByte();
 136         data[2] = subType.toByte();
 137         data[3] = seqNbr;
 138         data[4] = (byte) ((sensorId & 0xFF00) >> 8);
 139         data[5] = (byte) (sensorId & 0x00FF);
 140
 141         short temp = (short) Math.abs(temperature * 10);
 142         data[6] = (byte) ((temp >> 8) & 0xFF);
 143         data[7] = (byte) (temp & 0xFF);
 144         if (temperature < 0) {
 145             data[6] |= 0x80;
 146         }
 147
 148         data[8] = humidity;
 149         data[9] = humidityStatus.toByte();
 150         data[10] = (byte) (((signalLevel & 0x0F) << 4) | (batteryLevel & 0x0F));
 151
 152         return data;
 153     }
 154
 155     @Override
 156     public String getDeviceId() {
 157         return String.valueOf(sensorId);
 158     }
 159
 160     @Override
 161     public State convertToState(String channelId, DeviceState deviceState) throws RFXComUnsupportedChannelException {
 162         switch (channelId) {
 163             case CHANNEL_TEMPERATURE:
 164                 return new DecimalType(temperature);
 165
 166             case CHANNEL_HUMIDITY:
 167                 return new DecimalType(humidity);
 168
 169             case CHANNEL_HUMIDITY_STATUS:
 170                 return new StringType(humidityStatus.toString());
 171
 172             default:
 173                 return super.convertToState(channelId, deviceState);
 174         }
 175     }
 176
 177     @Override
 178     public void setSubType(SubType subType) {
 179         throw new UnsupportedOperationException();
 180     }
 181
 182     @Override
 183     public void setDeviceId(String deviceId) {
 184         throw new UnsupportedOperationException();
 185     }
 186
 187     @Override
 188     public void convertFromState(String channelId, Type type) {
 189         throw new UnsupportedOperationException();
 190     }
 191
 192     @Override
 193     public SubType convertSubType(String subType) throws RFXComUnsupportedValueException {
 194         return ByteEnumUtil.convertSubType(SubType.class, subType);
 195     }
 196 }