2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.lutron.internal.radiora.handler;
15 import java.util.concurrent.atomic.AtomicBoolean;
16 import java.util.concurrent.atomic.AtomicInteger;
18 import org.eclipse.jdt.annotation.NonNullByDefault;
19 import org.openhab.binding.lutron.internal.LutronBindingConstants;
20 import org.openhab.binding.lutron.internal.radiora.config.DimmerConfig;
21 import org.openhab.binding.lutron.internal.radiora.protocol.LocalZoneChangeFeedback;
22 import org.openhab.binding.lutron.internal.radiora.protocol.RadioRAFeedback;
23 import org.openhab.binding.lutron.internal.radiora.protocol.SetDimmerLevelCommand;
24 import org.openhab.binding.lutron.internal.radiora.protocol.SetSwitchLevelCommand;
25 import org.openhab.binding.lutron.internal.radiora.protocol.ZoneMapFeedback;
26 import org.openhab.core.library.types.OnOffType;
27 import org.openhab.core.library.types.PercentType;
28 import org.openhab.core.thing.ChannelUID;
29 import org.openhab.core.thing.Thing;
30 import org.openhab.core.types.Command;
33 * Handler for RadioRA dimmers
35 * @author Jeff Lauterbach - Initial Contribution
39 public class DimmerHandler extends LutronHandler {
42 * Used to internally keep track of dimmer level. This helps us better respond
43 * to external dimmer changes since RadioRA protocol does not send dimmer
44 * levels in their messages.
46 private @NonNullByDefault({}) DimmerConfig config;
47 private AtomicInteger lastKnownIntensity = new AtomicInteger(100);
48 private AtomicBoolean switchEnabled = new AtomicBoolean(false);
50 public DimmerHandler(Thing thing) {
55 public void initialize() {
56 config = getConfigAs(DimmerConfig.class);
61 public void handleCommand(ChannelUID channelUID, Command command) {
62 RS232Handler bridgeHandler = getRS232Handler();
63 if (bridgeHandler == null) {
67 if (LutronBindingConstants.CHANNEL_LIGHTLEVEL.equals(channelUID.getId())) {
68 if (command instanceof PercentType percentCommand) {
69 int intensity = percentCommand.intValue();
71 SetDimmerLevelCommand cmd = new SetDimmerLevelCommand(config.getZoneNumber(), intensity, config.system);
72 bridgeHandler.sendCommand(cmd);
74 updateInternalState(intensity);
77 if (command instanceof OnOffType onOffCmd) {
78 SetSwitchLevelCommand cmd = new SetSwitchLevelCommand(config.getZoneNumber(), onOffCmd, config.system);
79 bridgeHandler.sendCommand(cmd);
81 updateInternalState(onOffCmd);
87 public void handleFeedback(RadioRAFeedback feedback) {
88 if (feedback instanceof LocalZoneChangeFeedback localZoneChangeFeedback) {
89 handleLocalZoneChangeFeedback(localZoneChangeFeedback);
90 } else if (feedback instanceof ZoneMapFeedback zoneMapFeedback) {
91 handleZoneMapFeedback(zoneMapFeedback);
95 private void handleZoneMapFeedback(ZoneMapFeedback feedback) {
96 if (!systemsMatch(feedback.getSystem(), config.system)) {
99 char value = feedback.getZoneValue(config.getZoneNumber());
101 turnDimmerOnToLastKnownIntensity();
102 } else if (value == '0') {
107 private void handleLocalZoneChangeFeedback(LocalZoneChangeFeedback feedback) {
108 if (systemsMatch(feedback.getSystem(), config.system) && feedback.getZoneNumber() == config.getZoneNumber()) {
109 if (LocalZoneChangeFeedback.State.ON.equals(feedback.getState())) {
110 turnDimmerOnToLastKnownIntensity();
111 } else if (LocalZoneChangeFeedback.State.OFF.equals(feedback.getState())) {
118 private void turnDimmerOnToLastKnownIntensity() {
119 if (!switchEnabled.get()) {
120 updateState(LutronBindingConstants.CHANNEL_LIGHTLEVEL, new PercentType(lastKnownIntensity.get()));
122 switchEnabled.set(true);
125 private void turnDimmerOff() {
126 updateState(LutronBindingConstants.CHANNEL_LIGHTLEVEL, PercentType.ZERO);
127 switchEnabled.set(false);
130 private void updateInternalState(int intensity) {
132 lastKnownIntensity.set(intensity);
134 switchEnabled.set(intensity > 0);
137 private void updateInternalState(OnOffType type) {
138 switchEnabled.set(OnOffType.ON.equals(type));