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   1 /**
   2  * Copyright (c) 2010-2021 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.types.State;
  24 import org.openhab.core.types.Type;
  25
  26 /**
  27  * RFXCOM data class for BBQ temperature message.
  28  *
  29  * @author Mike Jagdis - Initial contribution
  30  */
  31 public class RFXComBBQTemperatureMessage extends RFXComBatteryDeviceMessage<RFXComBBQTemperatureMessage.SubType> {
  32
  33     public enum SubType implements ByteEnumWrapper {
  34         BBQ1(1); // Maverick ET-732
  35
  36         private final int subType;
  37
  38         SubType(int subType) {
  39             this.subType = subType;
  40         }
  41
  42         @Override
  43         public byte toByte() {
  44             return (byte) subType;
  45         }
  46     }
  47
  48     public SubType subType;
  49     public int sensorId;
  50     public double foodTemperature;
  51     public double bbqTemperature;
  52     public byte signalLevel;
  53     public byte batteryLevel;
  54
  55     public RFXComBBQTemperatureMessage() {
  56         super(PacketType.BBQ);
  57     }
  58
  59     public RFXComBBQTemperatureMessage(byte[] data) throws RFXComException {
  60         encodeMessage(data);
  61     }
  62
  63     @Override
  64     public String toString() {
  65         return super.toString() + ", Sub type = " + subType + ", Device Id = " + getDeviceId() + ", Food temperature = "
  66                 + foodTemperature + ", BBQ temperature = " + bbqTemperature + ", Signal level = " + signalLevel
  67                 + ", Battery level = " + batteryLevel;
  68     }
  69
  70     @Override
  71     public void encodeMessage(byte[] data) throws RFXComException {
  72         super.encodeMessage(data);
  73
  74         subType = fromByte(SubType.class, super.subType);
  75         sensorId = (data[4] & 0xFF) << 8 | (data[5] & 0xFF);
  76
  77         foodTemperature = (data[6] & 0x7F) << 8 | (data[7] & 0xFF);
  78         if ((data[6] & 0x80) != 0) {
  79             foodTemperature = -foodTemperature;
  80         }
  81
  82         bbqTemperature = (data[8] & 0x7F) << 8 | (data[9] & 0xFF);
  83         if ((data[8] & 0x80) != 0) {
  84             bbqTemperature = -bbqTemperature;
  85         }
  86
  87         signalLevel = (byte) ((data[10] & 0xF0) >> 4);
  88         batteryLevel = (byte) (data[10] & 0x0F);
  89     }
  90
  91     @Override
  92     public byte[] decodeMessage() {
  93         byte[] data = new byte[11];
  94
  95         data[0] = 0x0A;
  96         data[1] = RFXComBaseMessage.PacketType.BBQ.toByte();
  97         data[2] = subType.toByte();
  98         data[3] = seqNbr;
  99         data[4] = (byte) ((sensorId & 0xFF00) >> 8);
 100         data[5] = (byte) (sensorId & 0x00FF);
 101
 102         short temp = (short) Math.abs(foodTemperature);
 103         data[6] = (byte) ((temp >> 8) & 0x7F);
 104         data[7] = (byte) (temp & 0xFF);
 105         if (foodTemperature < 0) {
 106             data[6] |= 0x80;
 107         }
 108
 109         temp = (short) Math.abs(bbqTemperature);
 110         data[8] = (byte) ((temp >> 8) & 0x7F);
 111         data[9] = (byte) (temp & 0xFF);
 112         if (bbqTemperature < 0) {
 113             data[8] |= 0x80;
 114         }
 115
 116         data[10] = (byte) (((signalLevel & 0x0F) << 4) | (batteryLevel & 0x0F));
 117
 118         return data;
 119     }
 120
 121     @Override
 122     public String getDeviceId() {
 123         return String.valueOf(sensorId);
 124     }
 125
 126     @Override
 127     public State convertToState(String channelId, DeviceState deviceState) throws RFXComUnsupportedChannelException {
 128         if (CHANNEL_FOOD_TEMPERATURE.equals(channelId)) {
 129             return new DecimalType(foodTemperature);
 130         } else if (CHANNEL_BBQ_TEMPERATURE.equals(channelId)) {
 131             return new DecimalType(bbqTemperature);
 132         } else {
 133             return super.convertToState(channelId, deviceState);
 134         }
 135     }
 136
 137     @Override
 138     public void setSubType(SubType subType) {
 139         throw new UnsupportedOperationException("Not supported");
 140     }
 141
 142     @Override
 143     public void setDeviceId(String deviceId) {
 144         throw new UnsupportedOperationException("Not supported");
 145     }
 146
 147     @Override
 148     public void convertFromState(String channelId, Type type) {
 149         throw new UnsupportedOperationException("Not supported");
 150     }
 151
 152     @Override
 153     public SubType convertSubType(String subType) throws RFXComUnsupportedValueException {
 154         return ByteEnumUtil.convertSubType(SubType.class, subType);
 155     }
 156 }