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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, humidity and barometric message.
  29  *
  30  * @author Damien Servant - Initial contribution
  31  * @author Martin van Wingerden - ported to openHAB 2.0
  32  */
  33 public class RFXComTemperatureHumidityBarometricMessage
  34         extends RFXComBatteryDeviceMessage<RFXComTemperatureHumidityBarometricMessage.SubType> {
  35
  36     public enum SubType implements ByteEnumWrapper {
  37         THB1(1), // BTHR918, BTHGN129
  38         THB2(2); // BTHR918N, BTHR968
  39
  40         private final int subType;
  41
  42         SubType(int subType) {
  43             this.subType = subType;
  44         }
  45
  46         @Override
  47         public byte toByte() {
  48             return (byte) subType;
  49         }
  50     }
  51
  52     public enum HumidityStatus implements ByteEnumWrapper {
  53         NORMAL(0),
  54         COMFORT(1),
  55         DRY(2),
  56         WET(3);
  57
  58         private final int humidityStatus;
  59
  60         HumidityStatus(int humidityStatus) {
  61             this.humidityStatus = humidityStatus;
  62         }
  63
  64         @Override
  65         public byte toByte() {
  66             return (byte) humidityStatus;
  67         }
  68     }
  69
  70     public enum ForecastStatus implements ByteEnumWrapper {
  71         NO_INFO_AVAILABLE(0),
  72         SUNNY(1),
  73         PARTLY_CLOUDY(2),
  74         CLOUDY(3),
  75         RAIN(4);
  76
  77         private final int forecastStatus;
  78
  79         ForecastStatus(int forecastStatus) {
  80             this.forecastStatus = forecastStatus;
  81         }
  82
  83         @Override
  84         public byte toByte() {
  85             return (byte) forecastStatus;
  86         }
  87     }
  88
  89     public SubType subType;
  90     public int sensorId;
  91     public double temperature;
  92     public byte humidity;
  93     public HumidityStatus humidityStatus;
  94     public double pressure;
  95     public ForecastStatus forecastStatus;
  96
  97     public RFXComTemperatureHumidityBarometricMessage() {
  98         super(PacketType.TEMPERATURE_HUMIDITY_BAROMETRIC);
  99     }
 100
 101     public RFXComTemperatureHumidityBarometricMessage(byte[] data) throws RFXComException {
 102         encodeMessage(data);
 103     }
 104
 105     @Override
 106     public String toString() {
 107         String str = super.toString();
 108         str += ", Sub type = " + subType;
 109         str += ", Device Id = " + sensorId;
 110         str += ", Temperature = " + temperature;
 111         str += ", Humidity = " + humidity;
 112         str += ", Humidity status = " + humidityStatus;
 113         str += ", Pressure = " + pressure;
 114         str += ", Forecast = " + forecastStatus;
 115         str += ", Signal level = " + signalLevel;
 116         str += ", Battery level = " + batteryLevel;
 117
 118         return str;
 119     }
 120
 121     @Override
 122     public void encodeMessage(byte[] data) throws RFXComException {
 123         super.encodeMessage(data);
 124
 125         subType = fromByte(SubType.class, super.subType);
 126         sensorId = (data[4] & 0xFF) << 8 | (data[5] & 0xFF);
 127
 128         temperature = (short) ((data[6] & 0x7F) << 8 | (data[7] & 0xFF)) * 0.1;
 129         if ((data[6] & 0x80) != 0) {
 130             temperature = -temperature;
 131         }
 132
 133         humidity = data[8];
 134         humidityStatus = fromByte(HumidityStatus.class, data[9]);
 135
 136         pressure = (data[10] & 0xFF) << 8 | (data[11] & 0xFF);
 137         forecastStatus = fromByte(ForecastStatus.class, data[12]);
 138
 139         signalLevel = (byte) ((data[13] & 0xF0) >> 4);
 140         batteryLevel = (byte) (data[13] & 0x0F);
 141     }
 142
 143     @Override
 144     public byte[] decodeMessage() {
 145         byte[] data = new byte[14];
 146
 147         data[0] = 0x0D;
 148         data[1] = RFXComBaseMessage.PacketType.TEMPERATURE_HUMIDITY_BAROMETRIC.toByte();
 149         data[2] = subType.toByte();
 150         data[3] = seqNbr;
 151         data[4] = (byte) ((sensorId & 0xFF00) >> 8);
 152         data[5] = (byte) (sensorId & 0x00FF);
 153
 154         short temp = (short) Math.abs(temperature * 10);
 155         data[6] = (byte) ((temp >> 8) & 0xFF);
 156         data[7] = (byte) (temp & 0xFF);
 157         if (temperature < 0) {
 158             data[6] |= 0x80;
 159         }
 160
 161         data[8] = humidity;
 162         data[9] = humidityStatus.toByte();
 163
 164         temp = (short) (pressure);
 165         data[10] = (byte) ((temp >> 8) & 0xFF);
 166         data[11] = (byte) (temp & 0xFF);
 167
 168         data[12] = forecastStatus.toByte();
 169
 170         data[13] = (byte) (((signalLevel & 0x0F) << 4) | (batteryLevel & 0x0F));
 171
 172         return data;
 173     }
 174
 175     @Override
 176     public String getDeviceId() {
 177         return String.valueOf(sensorId);
 178     }
 179
 180     @Override
 181     public State convertToState(String channelId, DeviceState deviceState) throws RFXComUnsupportedChannelException {
 182         switch (channelId) {
 183             case CHANNEL_TEMPERATURE:
 184                 return new DecimalType(temperature);
 185
 186             case CHANNEL_HUMIDITY:
 187                 return new DecimalType(humidity);
 188
 189             case CHANNEL_PRESSURE:
 190                 return new DecimalType(pressure);
 191
 192             case CHANNEL_HUMIDITY_STATUS:
 193                 return new StringType(humidityStatus.toString());
 194
 195             case CHANNEL_FORECAST:
 196                 return new StringType(forecastStatus.toString());
 197
 198             default:
 199                 return super.convertToState(channelId, deviceState);
 200         }
 201     }
 202
 203     @Override
 204     public void convertFromState(String channelId, Type type) {
 205         throw new UnsupportedOperationException();
 206     }
 207
 208     @Override
 209     public SubType convertSubType(String subType) throws RFXComUnsupportedValueException {
 210         return ByteEnumUtil.convertSubType(SubType.class, subType);
 211     }
 212
 213     @Override
 214     public void setSubType(SubType subType) {
 215         throw new UnsupportedOperationException();
 216     }
 217
 218     @Override
 219     public void setDeviceId(String deviceId) {
 220         throw new UnsupportedOperationException();
 221     }
 222 }