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.powermax.internal.message;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.openhab.binding.powermax.internal.state.PowermaxState;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
22 * A class for POWERLINK message handling
24 * @author Laurent Garnier - Initial contribution
27 public class PowermaxPowerlinkMessage extends PowermaxBaseMessage {
29 private final Logger logger = LoggerFactory.getLogger(PowermaxPowerlinkMessage.class);
35 * the received message as a buffer of bytes
37 public PowermaxPowerlinkMessage(byte[] message) {
42 protected @Nullable PowermaxState handleMessageInternal(@Nullable PowermaxCommManager commManager) {
43 if (commManager == null) {
47 PowermaxState updatedState = null;
49 byte[] message = getRawData();
50 byte subType = message[2];
52 if (subType == 0x03) {
55 debug("Subtype", subType, "Keep Alive");
57 commManager.sendAck(this, (byte) 0x02);
58 updatedState = commManager.createNewState();
59 updatedState.lastKeepAlive.setValue(System.currentTimeMillis());
60 } else if (subType == 0x0A) {
61 byte enroll = message[4];
63 debug("Subtype", subType, "Enroll");
64 debug("Enroll", enroll);
67 logger.debug("Powermax alarm binding: Enrolling Powerlink");
68 commManager.enrollPowerlink();
69 updatedState = commManager.createNewState();
70 updatedState.downloadSetupRequired.setValue(true);
72 commManager.sendAck(this, (byte) 0x02);
75 debug("Subtype", subType, "UNKNOWN");
76 commManager.sendAck(this, (byte) 0x02);