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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.dali.internal.handler;
  14
  15 import static org.openhab.binding.dali.internal.DaliBindingConstants.CHANNEL_COLOR;
  16 import static org.openhab.binding.dali.internal.DaliBindingConstants.CHANNEL_COLOR_TEMPERATURE;
  17 import static org.openhab.binding.dali.internal.DaliBindingConstants.THING_TYPE_DEVICE_DT8;
  18 import static org.openhab.binding.dali.internal.DaliBindingConstants.THING_TYPE_GROUP_DT8;
  19
  20 import java.util.concurrent.CompletableFuture;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.dali.internal.protocol.DaliAddress;
  25 import org.openhab.binding.dali.internal.protocol.DaliResponse;
  26 import org.openhab.binding.dali.internal.protocol.DaliResponse.NumericMask;
  27 import org.openhab.binding.dali.internal.protocol.DaliStandardCommand;
  28 import org.openhab.core.library.types.DecimalType;
  29 import org.openhab.core.library.types.HSBType;
  30 import org.openhab.core.library.types.PercentType;
  31 import org.openhab.core.thing.ChannelUID;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingStatus;
  34 import org.openhab.core.thing.ThingStatusDetail;
  35 import org.openhab.core.types.Command;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 /**
  40  * The {@link DaliDeviceHandler} handles commands for things of type Device and Group.
  41  *
  42  * @author Robert Schmid - Initial contribution
  43  */
  44 @NonNullByDefault
  45 public class DaliDt8DeviceHandler extends DaliDeviceHandler {
  46     private final Logger logger = LoggerFactory.getLogger(DaliDt8DeviceHandler.class);
  47
  48     public DaliDt8DeviceHandler(Thing thing) {
  49         super(thing);
  50     }
  51
  52     @Override
  53     public void handleCommand(ChannelUID channelUID, Command command) {
  54         try {
  55             final DaliserverBridgeHandler daliHandler = getBridgeHandler();
  56             if (CHANNEL_COLOR_TEMPERATURE.equals(channelUID.getId())) {
  57                 DaliAddress address;
  58                 if (THING_TYPE_DEVICE_DT8.equals(this.thing.getThingTypeUID())) {
  59                     address = DaliAddress.createShortAddress(targetId);
  60                 } else if (THING_TYPE_GROUP_DT8.equals(this.thing.getThingTypeUID())) {
  61                     address = DaliAddress.createGroupAddress(targetId);
  62                 } else {
  63                     throw new DaliException("unknown device type");
  64                 }
  65                 if (command instanceof DecimalType) {
  66                     // Color temperature in DALI is represented in mirek ("reciprocal megakelvin")
  67                     // It is one million times the reciprocal of the color temperature (in Kelvin)
  68                     final int mirek = (int) (1E6f
  69                             / (Math.min(Math.max(((DecimalType) command).intValue(), 1000), 20000)));
  70                     final byte mirekLsb = (byte) (mirek & 0xff);
  71                     final byte mirekMsb = (byte) ((mirek >> 8) & 0xff);
  72                     // Write mirek value to the DTR0+DTR1 registers
  73                     daliHandler.sendCommand(DaliStandardCommand.createSetDTR0Command(mirekLsb));
  74                     daliHandler.sendCommand(DaliStandardCommand.createSetDTR1Command(mirekMsb));
  75                     // Indicate that the follwing command is a DT8 (WW/CW and single-channel RGB) command
  76                     daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
  77                     // Set the color temperature to the value in DTR0+DTR1
  78                     daliHandler.sendCommand(DaliStandardCommand.createSetColorTemperatureCommand(address));
  79                     // Finish the command sequence
  80                     daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
  81                     daliHandler.sendCommand(DaliStandardCommand.createActivateCommand(address));
  82
  83                 }
  84
  85                 DaliAddress readAddress = address;
  86                 if (readDeviceTargetId != null) {
  87                     readAddress = DaliAddress.createShortAddress(readDeviceTargetId);
  88                 }
  89                 // Write argument 0xc2 (query temporary color temperature) to DTR0 and set DT8
  90                 daliHandler.sendCommand(DaliStandardCommand.createSetDTR0Command(0xc2));
  91                 daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
  92                 // Mirek MSB is returned as result
  93                 CompletableFuture<@Nullable NumericMask> responseMsb = daliHandler.sendCommandWithResponse(
  94                         DaliStandardCommand.createQueryColorValueCommand(readAddress), DaliResponse.NumericMask.class);
  95                 daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
  96                 // Mirek LSB is written to DTR0
  97                 CompletableFuture<@Nullable NumericMask> responseLsb = daliHandler.sendCommandWithResponse(
  98                         DaliStandardCommand.createQueryContentDTR0Command(readAddress), DaliResponse.NumericMask.class);
  99
 100                 CompletableFuture.allOf(responseMsb, responseLsb).thenAccept(x -> {
 101                     @Nullable
 102                     NumericMask msb = responseMsb.join(), lsb = responseLsb.join();
 103                     if (msb != null && !msb.mask && lsb != null && !lsb.mask) {
 104                         final int msbValue = msb.value != null ? msb.value : 0;
 105                         final int lsbValue = lsb.value != null ? lsb.value : 0;
 106                         final int mirek = ((msbValue & 0xff) << 8) | (lsbValue & 0xff);
 107                         final int kelvin = (int) (1E6f / mirek);
 108                         updateState(channelUID, new DecimalType(kelvin));
 109                     }
 110                 }).exceptionally(e -> {
 111                     logger.warn("Error querying device status: {}", e.getMessage());
 112                     return null;
 113                 });
 114
 115             } else if (CHANNEL_COLOR.equals(channelUID.getId())) {
 116                 DaliAddress address;
 117                 if (THING_TYPE_DEVICE_DT8.equals(this.thing.getThingTypeUID())) {
 118                     address = DaliAddress.createShortAddress(targetId);
 119                 } else if (THING_TYPE_GROUP_DT8.equals(this.thing.getThingTypeUID())) {
 120                     address = DaliAddress.createGroupAddress(targetId);
 121                 } else {
 122                     throw new DaliException("unknown device type");
 123                 }
 124                 if (command instanceof HSBType) {
 125                     PercentType[] rgb = ((HSBType) command).toRGB();
 126                     final int r = (int) (254 * (rgb[0].floatValue() / 100));
 127                     final int g = (int) (254 * (rgb[1].floatValue() / 100));
 128                     final int b = (int) (254 * (rgb[2].floatValue() / 100));
 129                     logger.trace("RGB: {} {} {}", r, g, b);
 130                     // Write RGB values to the DTR0+DTR1+DTR2 registers
 131                     daliHandler.sendCommand(DaliStandardCommand.createSetDTR0Command(r));
 132                     daliHandler.sendCommand(DaliStandardCommand.createSetDTR1Command(g));
 133                     daliHandler.sendCommand(DaliStandardCommand.createSetDTR2Command(b));
 134                     // Indicate that the following command is a DT8 (WW/CW and single-channel RGB) command
 135                     daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
 136                     // Set the color to the values in DTR0+DTR1+DTR2
 137                     daliHandler.sendCommand(DaliStandardCommand.createSetRgbDimlevelCommand(address));
 138                     // Finish the command sequence
 139                     daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
 140                     daliHandler.sendCommand(DaliStandardCommand.createActivateCommand(address));
 141                 }
 142
 143                 DaliAddress readAddress = address;
 144                 if (readDeviceTargetId != null) {
 145                     readAddress = DaliAddress.createShortAddress(readDeviceTargetId);
 146                 }
 147                 // Write argument 0xE9 (query red dimlevel) to DTR0 and set DT8
 148                 daliHandler.sendCommand(DaliStandardCommand.createSetDTR0Command(0xe9));
 149                 daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
 150                 // Red component is returned as result
 151                 CompletableFuture<@Nullable NumericMask> responseRed = daliHandler.sendCommandWithResponse(
 152                         DaliStandardCommand.createQueryColorValueCommand(readAddress), DaliResponse.NumericMask.class);
 153                 // Write argument 0xEA (query green dimlevel) to DTR0 and set DT8
 154                 daliHandler.sendCommand(DaliStandardCommand.createSetDTR0Command(0xea));
 155                 daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
 156                 // Green component is returned as result
 157                 CompletableFuture<@Nullable NumericMask> responseGreen = daliHandler.sendCommandWithResponse(
 158                         DaliStandardCommand.createQueryColorValueCommand(readAddress), DaliResponse.NumericMask.class);
 159                 // Write argument 0xEB (query blue dimlevel) to DTR0 and set DT8
 160                 daliHandler.sendCommand(DaliStandardCommand.createSetDTR0Command(0xeb));
 161                 daliHandler.sendCommand(DaliStandardCommand.createSetDeviceTypeCommand(8));
 162                 // Blue component is returned as result
 163                 CompletableFuture<@Nullable NumericMask> responseBlue = daliHandler.sendCommandWithResponse(
 164                         DaliStandardCommand.createQueryColorValueCommand(readAddress), DaliResponse.NumericMask.class);
 165
 166                 CompletableFuture.allOf(responseRed, responseGreen, responseBlue).thenAccept(x -> {
 167                     @Nullable
 168                     NumericMask r = responseRed.join(), g = responseGreen.join(), b = responseBlue.join();
 169                     if (r != null && !r.mask && g != null && !g.mask && b != null && !b.mask) {
 170                         final int rValue = r.value != null ? r.value : 0;
 171                         final int gValue = g.value != null ? g.value : 0;
 172                         final int bValue = b.value != null ? b.value : 0;
 173                         updateState(channelUID, HSBType.fromRGB(rValue, gValue, bValue));
 174                     }
 175                 }).exceptionally(e -> {
 176                     logger.warn("Error querying device status: {}", e.getMessage());
 177                     return null;
 178                 });
 179
 180             } else {
 181                 super.handleCommand(channelUID, command);
 182             }
 183         } catch (DaliException e) {
 184             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 185         }
 186     }
 187 }