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   1 /**
   2  * Copyright (c) 2010-2022 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.config.RFXComDeviceConfiguration;
  19 import org.openhab.binding.rfxcom.internal.exceptions.RFXComException;
  20 import org.openhab.binding.rfxcom.internal.exceptions.RFXComInvalidStateException;
  21 import org.openhab.binding.rfxcom.internal.exceptions.RFXComUnsupportedChannelException;
  22 import org.openhab.binding.rfxcom.internal.exceptions.RFXComUnsupportedValueException;
  23 import org.openhab.binding.rfxcom.internal.handler.DeviceState;
  24 import org.openhab.core.library.types.DecimalType;
  25 import org.openhab.core.types.State;
  26 import org.openhab.core.types.Type;
  27
  28 /**
  29  * RFXCOM data class for BBQ temperature message.
  30  *
  31  * @author Mike Jagdis - Initial contribution
  32  */
  33 public class RFXComBBQTemperatureMessage extends RFXComBatteryDeviceMessage<RFXComBBQTemperatureMessage.SubType> {
  34
  35     public enum SubType implements ByteEnumWrapper {
  36         BBQ1(1); // Maverick ET-732
  37
  38         private final int subType;
  39
  40         SubType(int subType) {
  41             this.subType = subType;
  42         }
  43
  44         @Override
  45         public byte toByte() {
  46             return (byte) subType;
  47         }
  48     }
  49
  50     public SubType subType;
  51     public int sensorId;
  52     public double foodTemperature;
  53     public double bbqTemperature;
  54     public byte signalLevel;
  55     public byte batteryLevel;
  56
  57     public RFXComBBQTemperatureMessage() {
  58         super(PacketType.BBQ);
  59     }
  60
  61     public RFXComBBQTemperatureMessage(byte[] data) throws RFXComException {
  62         encodeMessage(data);
  63     }
  64
  65     @Override
  66     public String toString() {
  67         return super.toString() + ", Sub type = " + subType + ", Device Id = " + getDeviceId() + ", Food temperature = "
  68                 + foodTemperature + ", BBQ temperature = " + bbqTemperature + ", Signal level = " + signalLevel
  69                 + ", Battery level = " + batteryLevel;
  70     }
  71
  72     @Override
  73     public void encodeMessage(byte[] data) throws RFXComException {
  74         super.encodeMessage(data);
  75
  76         subType = fromByte(SubType.class, super.subType);
  77         sensorId = (data[4] & 0xFF) << 8 | (data[5] & 0xFF);
  78
  79         foodTemperature = (data[6] & 0x7F) << 8 | (data[7] & 0xFF);
  80         if ((data[6] & 0x80) != 0) {
  81             foodTemperature = -foodTemperature;
  82         }
  83
  84         bbqTemperature = (data[8] & 0x7F) << 8 | (data[9] & 0xFF);
  85         if ((data[8] & 0x80) != 0) {
  86             bbqTemperature = -bbqTemperature;
  87         }
  88
  89         signalLevel = (byte) ((data[10] & 0xF0) >> 4);
  90         batteryLevel = (byte) (data[10] & 0x0F);
  91     }
  92
  93     @Override
  94     public byte[] decodeMessage() {
  95         byte[] data = new byte[11];
  96
  97         data[0] = 0x0A;
  98         data[1] = RFXComBaseMessage.PacketType.BBQ.toByte();
  99         data[2] = subType.toByte();
 100         data[3] = seqNbr;
 101         data[4] = (byte) ((sensorId & 0xFF00) >> 8);
 102         data[5] = (byte) (sensorId & 0x00FF);
 103
 104         short temp = (short) Math.abs(foodTemperature);
 105         data[6] = (byte) ((temp >> 8) & 0x7F);
 106         data[7] = (byte) (temp & 0xFF);
 107         if (foodTemperature < 0) {
 108             data[6] |= 0x80;
 109         }
 110
 111         temp = (short) Math.abs(bbqTemperature);
 112         data[8] = (byte) ((temp >> 8) & 0x7F);
 113         data[9] = (byte) (temp & 0xFF);
 114         if (bbqTemperature < 0) {
 115             data[8] |= 0x80;
 116         }
 117
 118         data[10] = (byte) (((signalLevel & 0x0F) << 4) | (batteryLevel & 0x0F));
 119
 120         return data;
 121     }
 122
 123     @Override
 124     public String getDeviceId() {
 125         return String.valueOf(sensorId);
 126     }
 127
 128     @Override
 129     public State convertToState(String channelId, RFXComDeviceConfiguration config, DeviceState deviceState)
 130             throws RFXComUnsupportedChannelException, RFXComInvalidStateException {
 131         if (CHANNEL_FOOD_TEMPERATURE.equals(channelId)) {
 132             return new DecimalType(foodTemperature);
 133         } else if (CHANNEL_BBQ_TEMPERATURE.equals(channelId)) {
 134             return new DecimalType(bbqTemperature);
 135         } else {
 136             return super.convertToState(channelId, config, deviceState);
 137         }
 138     }
 139
 140     @Override
 141     public void setSubType(SubType subType) {
 142         throw new UnsupportedOperationException("Not supported");
 143     }
 144
 145     @Override
 146     public void setDeviceId(String deviceId) {
 147         throw new UnsupportedOperationException("Not supported");
 148     }
 149
 150     @Override
 151     public void convertFromState(String channelId, Type type) {
 152         throw new UnsupportedOperationException("Not supported");
 153     }
 154
 155     @Override
 156     public SubType convertSubType(String subType) throws RFXComUnsupportedValueException {
 157         return ByteEnumUtil.convertSubType(SubType.class, subType);
 158     }
 159 }