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   1 /**
   2  * Copyright (c) 2010-2023 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 import static org.openhab.binding.rfxcom.internal.messages.RFXComBaseMessage.PacketType.LIGHTING2;
  18 import static org.openhab.binding.rfxcom.internal.messages.RFXComLighting2Message.Commands.*;
  19
  20 import java.math.BigDecimal;
  21 import java.math.RoundingMode;
  22
  23 import org.openhab.binding.rfxcom.internal.config.RFXComDeviceConfiguration;
  24 import org.openhab.binding.rfxcom.internal.exceptions.RFXComException;
  25 import org.openhab.binding.rfxcom.internal.exceptions.RFXComInvalidStateException;
  26 import org.openhab.binding.rfxcom.internal.exceptions.RFXComUnsupportedChannelException;
  27 import org.openhab.binding.rfxcom.internal.exceptions.RFXComUnsupportedValueException;
  28 import org.openhab.binding.rfxcom.internal.handler.DeviceState;
  29 import org.openhab.core.library.types.IncreaseDecreaseType;
  30 import org.openhab.core.library.types.OnOffType;
  31 import org.openhab.core.library.types.OpenClosedType;
  32 import org.openhab.core.library.types.PercentType;
  33 import org.openhab.core.types.State;
  34 import org.openhab.core.types.Type;
  35
  36 /**
  37  * RFXCOM data class for lighting2 message.
  38  *
  39  * @author Pauli Anttila - Initial contribution
  40  */
  41 public class RFXComLighting2Message extends RFXComDeviceMessageImpl<RFXComLighting2Message.SubType> {
  42     public enum SubType implements ByteEnumWrapper {
  43         AC(0),
  44         HOME_EASY_EU(1),
  45         ANSLUT(2),
  46         KAMBROOK(3);
  47
  48         private final int subType;
  49
  50         SubType(int subType) {
  51             this.subType = subType;
  52         }
  53
  54         @Override
  55         public byte toByte() {
  56             return (byte) subType;
  57         }
  58     }
  59
  60     public enum Commands implements ByteEnumWrapper {
  61         OFF(0),
  62         ON(1),
  63         SET_LEVEL(2),
  64         GROUP_OFF(3),
  65         GROUP_ON(4),
  66         SET_GROUP_LEVEL(5);
  67
  68         private final int command;
  69
  70         Commands(int command) {
  71             this.command = command;
  72         }
  73
  74         @Override
  75         public byte toByte() {
  76             return (byte) command;
  77         }
  78     }
  79
  80     public SubType subType;
  81     public int sensorId;
  82     public byte unitCode;
  83     public Commands command;
  84     public byte dimmingLevel;
  85     public boolean group;
  86
  87     public RFXComLighting2Message() {
  88         super(PacketType.LIGHTING2);
  89     }
  90
  91     public RFXComLighting2Message(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 += ", Command = " + command;
 103         str += ", Dim level = " + dimmingLevel;
 104         str += ", Signal level = " + signalLevel;
 105
 106         return str;
 107     }
 108
 109     @Override
 110     public void encodeMessage(byte[] data) throws RFXComException {
 111         super.encodeMessage(data);
 112
 113         subType = fromByte(SubType.class, super.subType);
 114         sensorId = (data[4] & 0xFF) << 24 | (data[5] & 0xFF) << 16 | (data[6] & 0xFF) << 8 | (data[7] & 0xFF);
 115         command = fromByte(Commands.class, data[9]);
 116
 117         if ((command == Commands.GROUP_ON) || (command == Commands.GROUP_OFF)) {
 118             unitCode = 0;
 119         } else {
 120             unitCode = data[8];
 121         }
 122
 123         dimmingLevel = data[10];
 124         signalLevel = (byte) ((data[11] & 0xF0) >> 4);
 125     }
 126
 127     @Override
 128     public byte[] decodeMessage() {
 129         byte[] data = new byte[12];
 130
 131         data[0] = 0x0B;
 132         data[1] = LIGHTING2.toByte();
 133         data[2] = subType.toByte();
 134         data[3] = seqNbr;
 135         data[4] = (byte) ((sensorId >> 24) & 0xFF);
 136         data[5] = (byte) ((sensorId >> 16) & 0xFF);
 137         data[6] = (byte) ((sensorId >> 8) & 0xFF);
 138         data[7] = (byte) (sensorId & 0xFF);
 139
 140         data[8] = unitCode;
 141         data[9] = command.toByte();
 142         data[10] = dimmingLevel;
 143         data[11] = (byte) ((signalLevel & 0x0F) << 4);
 144
 145         return data;
 146     }
 147
 148     @Override
 149     public String getDeviceId() {
 150         return sensorId + ID_DELIMITER + unitCode;
 151     }
 152
 153     /**
 154      * Convert a 0-15 scale value to a percent type.
 155      *
 156      * @param pt percent type to convert
 157      * @return converted value 0-15
 158      */
 159     public static int getDimLevelFromPercentType(PercentType pt) {
 160         return pt.toBigDecimal().multiply(BigDecimal.valueOf(15))
 161                 .divide(PercentType.HUNDRED.toBigDecimal(), 0, RoundingMode.UP).intValue();
 162     }
 163
 164     /**
 165      * Convert a 0-15 scale value to a percent type.
 166      *
 167      * @param value percent type to convert
 168      * @return converted value 0-15
 169      */
 170     public static PercentType getPercentTypeFromDimLevel(int value) {
 171         value = Math.min(value, 15);
 172
 173         return new PercentType(BigDecimal.valueOf(value).multiply(BigDecimal.valueOf(100))
 174                 .divide(BigDecimal.valueOf(15), 0, RoundingMode.UP).intValue());
 175     }
 176
 177     @Override
 178     public State convertToState(String channelId, RFXComDeviceConfiguration config, DeviceState deviceState)
 179             throws RFXComUnsupportedChannelException, RFXComInvalidStateException {
 180         switch (channelId) {
 181             case CHANNEL_DIMMING_LEVEL:
 182                 return RFXComLighting2Message.getPercentTypeFromDimLevel(dimmingLevel);
 183
 184             case CHANNEL_COMMAND:
 185                 switch (command) {
 186                     case OFF:
 187                     case GROUP_OFF:
 188                         return OnOffType.OFF;
 189
 190                     case ON:
 191                     case GROUP_ON:
 192                         return OnOffType.ON;
 193
 194                     case SET_GROUP_LEVEL:
 195                     case SET_LEVEL:
 196                     default:
 197                         throw new RFXComUnsupportedChannelException("Can't convert " + command + " for " + channelId);
 198                 }
 199
 200             case CHANNEL_CONTACT:
 201                 switch (command) {
 202                     case OFF:
 203                     case GROUP_OFF:
 204                         return OpenClosedType.CLOSED;
 205
 206                     case ON:
 207                     case GROUP_ON:
 208                         return OpenClosedType.OPEN;
 209
 210                     case SET_GROUP_LEVEL:
 211                     case SET_LEVEL:
 212                     default:
 213                         throw new RFXComUnsupportedChannelException("Can't convert " + command + " for " + channelId);
 214                 }
 215
 216             default:
 217                 return super.convertToState(channelId, config, deviceState);
 218         }
 219     }
 220
 221     @Override
 222     public void setSubType(SubType subType) {
 223         this.subType = subType;
 224     }
 225
 226     @Override
 227     public void setDeviceId(String deviceId) throws RFXComException {
 228         String[] ids = deviceId.split("\\" + ID_DELIMITER);
 229         if (ids.length != 2) {
 230             throw new RFXComException("Invalid device id '" + deviceId + "'");
 231         }
 232
 233         sensorId = Integer.parseInt(ids[0]);
 234
 235         // Get unitcode, 0 means group
 236         unitCode = Byte.parseByte(ids[1]);
 237         if (unitCode == 0) {
 238             unitCode = 1;
 239             group = true;
 240         }
 241     }
 242
 243     @Override
 244     public void convertFromState(String channelId, Type type) throws RFXComUnsupportedChannelException {
 245         switch (channelId) {
 246             case CHANNEL_COMMAND:
 247                 if (type instanceof OnOffType) {
 248                     if (group) {
 249                         command = (type == OnOffType.ON ? GROUP_ON : GROUP_OFF);
 250
 251                     } else {
 252                         command = (type == OnOffType.ON ? Commands.ON : Commands.OFF);
 253                     }
 254
 255                     dimmingLevel = 0;
 256                 } else {
 257                     throw new RFXComUnsupportedChannelException("Channel " + channelId + " does not accept " + type);
 258                 }
 259                 break;
 260
 261             case CHANNEL_DIMMING_LEVEL:
 262                 if (type instanceof OnOffType) {
 263                     command = (type == OnOffType.ON ? Commands.ON : Commands.OFF);
 264                     dimmingLevel = 0;
 265
 266                 } else if (type instanceof PercentType) {
 267                     command = Commands.SET_LEVEL;
 268                     dimmingLevel = (byte) getDimLevelFromPercentType((PercentType) type);
 269
 270                     if (dimmingLevel == 0) {
 271                         command = Commands.OFF;
 272                     }
 273                 } else if (type instanceof IncreaseDecreaseType) {
 274                     command = Commands.SET_LEVEL;
 275                     // Evert: I do not know how to get previous object state...
 276                     dimmingLevel = 5;
 277
 278                 } else {
 279                     throw new RFXComUnsupportedChannelException("Channel " + channelId + " does not accept " + type);
 280                 }
 281                 break;
 282
 283             default:
 284                 throw new RFXComUnsupportedChannelException("Channel " + channelId + " is not relevant here");
 285         }
 286     }
 287
 288     @Override
 289     public SubType convertSubType(String subType) throws RFXComUnsupportedValueException {
 290         return ByteEnumUtil.convertSubType(SubType.class, subType);
 291     }
 292 }