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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.CHANNEL_COMMAND;
  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.OnOffType;
  23 import org.openhab.core.types.State;
  24 import org.openhab.core.types.Type;
  25
  26 /**
  27  * RFXCOM data class for HomeConfort message.
  28  *
  29  * @author Mike Jagdis - Initial contribution
  30  */
  31 public class RFXComHomeConfortMessage extends RFXComDeviceMessageImpl<RFXComHomeConfortMessage.SubType> {
  32
  33     public enum SubType implements ByteEnumWrapper {
  34         TEL_010(0);
  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 enum Commands implements ByteEnumWrapper {
  49         OFF(0),
  50         ON(1),
  51         GROUP_OFF(2),
  52         GROUP_ON(3);
  53
  54         private final int command;
  55
  56         Commands(int command) {
  57             this.command = command;
  58         }
  59
  60         @Override
  61         public byte toByte() {
  62             return (byte) command;
  63         }
  64     }
  65
  66     public SubType subType;
  67     public int deviceId;
  68     public char houseCode;
  69     public byte unitCode;
  70     public Commands command;
  71
  72     public RFXComHomeConfortMessage() {
  73         super(PacketType.HOME_CONFORT);
  74     }
  75
  76     public RFXComHomeConfortMessage(byte[] data) throws RFXComException {
  77         encodeMessage(data);
  78     }
  79
  80     @Override
  81     public String toString() {
  82         return super.toString() + ", Sub type = " + subType + ", Device Id = " + getDeviceId() + ", Command = "
  83                 + command + ", Signal level = " + signalLevel;
  84     }
  85
  86     @Override
  87     public void encodeMessage(byte[] data) throws RFXComException {
  88         super.encodeMessage(data);
  89
  90         subType = fromByte(SubType.class, super.subType);
  91         deviceId = (((data[4] << 8) | data[5]) << 8) | data[6];
  92         houseCode = (char) data[7];
  93         unitCode = data[8];
  94         command = fromByte(Commands.class, data[9]);
  95         if (command == Commands.GROUP_ON || command == Commands.GROUP_OFF) {
  96             unitCode = 0;
  97         }
  98         signalLevel = (byte) ((data[12] & 0xF0) >> 4);
  99     }
 100
 101     @Override
 102     public byte[] decodeMessage() {
 103         byte[] data = new byte[13];
 104
 105         data[0] = 0x0C;
 106         data[1] = PacketType.HOME_CONFORT.toByte();
 107         data[2] = subType.toByte();
 108         data[3] = seqNbr;
 109         data[4] = (byte) ((deviceId >> 16) & 0xff);
 110         data[5] = (byte) ((deviceId >> 8) & 0xff);
 111         data[6] = (byte) (deviceId & 0xff);
 112         data[7] = (byte) houseCode;
 113         data[8] = unitCode;
 114         data[9] = command.toByte();
 115         data[10] = 0;
 116         data[11] = 0;
 117         data[12] = (byte) ((signalLevel & 0x0F) << 4);
 118
 119         return data;
 120     }
 121
 122     @Override
 123     public String getDeviceId() {
 124         return deviceId + ID_DELIMITER + houseCode + ID_DELIMITER + unitCode;
 125     }
 126
 127     @Override
 128     public State convertToState(String channelId, DeviceState deviceState) throws RFXComUnsupportedChannelException {
 129         if (channelId.equals(CHANNEL_COMMAND)) {
 130             return (command == Commands.OFF || command == Commands.GROUP_OFF ? OnOffType.OFF : OnOffType.ON);
 131         } else {
 132             return super.convertToState(channelId, deviceState);
 133         }
 134     }
 135
 136     @Override
 137     public void setSubType(SubType subType) {
 138         this.subType = subType;
 139     }
 140
 141     @Override
 142     public void setDeviceId(String deviceId) throws RFXComException {
 143         String[] ids = deviceId.split("\\" + ID_DELIMITER);
 144         if (ids.length != 3) {
 145             throw new RFXComException("Invalid device id '" + deviceId + "'");
 146         }
 147
 148         this.deviceId = Integer.parseInt(ids[0]);
 149         houseCode = ids[1].charAt(0);
 150         unitCode = Byte.parseByte(ids[2]);
 151     }
 152
 153     @Override
 154     public void convertFromState(String channelId, Type type) throws RFXComUnsupportedChannelException {
 155         if (CHANNEL_COMMAND.equals(channelId)) {
 156             if (type instanceof OnOffType) {
 157                 if (unitCode == 0) {
 158                     command = (type == OnOffType.ON ? Commands.GROUP_ON : Commands.GROUP_OFF);
 159
 160                 } else {
 161                     command = (type == OnOffType.ON ? Commands.ON : Commands.OFF);
 162                 }
 163             } else {
 164                 throw new RFXComUnsupportedChannelException("Channel " + channelId + " does not accept " + type);
 165             }
 166
 167         } else {
 168             throw new RFXComUnsupportedChannelException("Channel " + channelId + " is not relevant here");
 169         }
 170     }
 171
 172     @Override
 173     public SubType convertSubType(String subType) throws RFXComUnsupportedValueException {
 174         return ByteEnumUtil.convertSubType(SubType.class, subType);
 175     }
 176 }