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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.lutron.internal.hw;
  14
  15 import static org.openhab.binding.lutron.internal.LutronBindingConstants.CHANNEL_LIGHTLEVEL;
  16
  17 import org.openhab.core.library.types.OnOffType;
  18 import org.openhab.core.library.types.PercentType;
  19 import org.openhab.core.thing.Bridge;
  20 import org.openhab.core.thing.ChannelUID;
  21 import org.openhab.core.thing.Thing;
  22 import org.openhab.core.thing.ThingStatus;
  23 import org.openhab.core.thing.ThingStatusDetail;
  24 import org.openhab.core.thing.binding.BaseThingHandler;
  25 import org.openhab.core.types.Command;
  26
  27 /**
  28  * This class extends the BaseThingHandler to support HomeWorks Dimmer modules.
  29  *
  30  * @author Andrew Shilliday - Initial contribution
  31  *
  32  */
  33 public class HwDimmerHandler extends BaseThingHandler {
  34     private String address;
  35     private Integer fadeTime = 1;
  36     private Integer defaultLevel = 100;
  37
  38     public HwDimmerHandler(Thing thing) {
  39         super(thing);
  40     }
  41
  42     @Override
  43     public void initialize() {
  44         HwDimmerConfig config = getThing().getConfiguration().as(HwDimmerConfig.class);
  45
  46         address = config.getAddress();
  47         if (address == null || address.isEmpty()) {
  48             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Address not set");
  49             return;
  50         }
  51
  52         fadeTime = config.getFadeTime();
  53         defaultLevel = config.getDefaultLevel();
  54
  55         if (getThing().getBridgeUID() == null) {
  56             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "No bridge configured");
  57             return;
  58         }
  59
  60         updateStatus(ThingStatus.ONLINE);
  61         queryLevel();
  62     }
  63
  64     public String getAddress() {
  65         return address;
  66     }
  67
  68     @Override
  69     public void handleCommand(ChannelUID channelUID, Command command) {
  70         if (channelUID.getId().equals(CHANNEL_LIGHTLEVEL)) {
  71             if (command instanceof Number number) {
  72                 int level = number.intValue();
  73                 outputLevel(level);
  74             } else if (command.equals(OnOffType.ON)) {
  75                 outputLevel(defaultLevel);
  76             } else if (command.equals(OnOffType.OFF)) {
  77                 outputLevel(0);
  78             }
  79         }
  80     }
  81
  82     private HwSerialBridgeHandler getBridgeHandler() {
  83         Bridge bridge = getBridge();
  84         if (bridge == null) {
  85             return null;
  86         } else if (!(bridge.getHandler() instanceof HwSerialBridgeHandler)) {
  87             return null;
  88         } else {
  89             return (HwSerialBridgeHandler) bridge.getHandler();
  90         }
  91     }
  92
  93     private void queryLevel() {
  94         HwSerialBridgeHandler bridgeHandler = getBridgeHandler();
  95         if (bridgeHandler == null) {
  96             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.HANDLER_MISSING_ERROR, "No bridge associated");
  97             return;
  98         }
  99
 100         String cmd = String.format("RDL, %s", address);
 101         bridgeHandler.sendCommand(cmd);
 102     }
 103
 104     private void outputLevel(Number level) {
 105         HwSerialBridgeHandler bridgeHandler = getBridgeHandler();
 106         if (bridgeHandler == null) {
 107             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.HANDLER_MISSING_ERROR, "No bridge associated");
 108             return;
 109         }
 110
 111         String cmd = String.format("FADEDIM, %s, %s, 0, %s", level, fadeTime, address);
 112         bridgeHandler.sendCommand(cmd);
 113     }
 114
 115     public void handleLevelChange(Integer level) {
 116         updateState(CHANNEL_LIGHTLEVEL, new PercentType(level));
 117     }
 118 }