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.modbus.e3dc.internal.dto;
15 import static org.openhab.binding.modbus.e3dc.internal.modbus.E3DCModbusConstans.*;
17 import java.util.BitSet;
19 import org.eclipse.jdt.annotation.NonNullByDefault;
20 import org.openhab.binding.modbus.e3dc.internal.modbus.Data;
21 import org.openhab.core.io.transport.modbus.ModbusBitUtilities;
22 import org.openhab.core.library.types.OnOffType;
23 import org.openhab.core.library.types.StringType;
26 * The {@link EmergencyBlock} Data object for E3DC Info Block
28 * @author Bernd Weymann - Initial contribution
31 public class EmergencyBlock implements Data {
32 public StringType epStatus = EP_UNKOWN;
33 public OnOffType batteryChargingLocked = OnOffType.OFF;
34 public OnOffType batteryDischargingLocked = OnOffType.OFF;
35 public OnOffType epPossible = OnOffType.OFF;
36 public OnOffType weatherPredictedCharging = OnOffType.OFF;
37 public OnOffType regulationStatus = OnOffType.OFF;
38 public OnOffType chargeLockTime = OnOffType.OFF;
39 public OnOffType dischargeLockTime = OnOffType.OFF;
41 // Possible Status definitions according to chapter 3.1.2, Register 40084, page 14 & 15
42 public static final StringType EP_NOT_SUPPORTED = StringType.valueOf("EP not supported");
43 public static final StringType EP_ACTIVE = StringType.valueOf("EP active");
44 public static final StringType EP_NOT_ACTIVE = StringType.valueOf("EP not active");
45 public static final StringType EP_POSSIBLE = StringType.valueOf("EP possible");
46 public static final StringType EP_SWITCH = StringType.valueOf("EP Switch in wrong position");
47 public static final StringType EP_UNKOWN = StringType.valueOf("EP Status unknown");
48 public static final StringType[] EP_STATUS_ARRAY = new StringType[] { EP_NOT_SUPPORTED, EP_ACTIVE, EP_NOT_ACTIVE,
49 EP_POSSIBLE, EP_SWITCH };
52 * For decoding see Modbus Register Mapping Chapter 3.1.2 page 14 & 15
54 * @param bArray - Modbus Registers as bytes from 40084 to 40085
56 public EmergencyBlock(byte[] bArray) {
57 // uint16 status register 40084 - possible Status Strings are defined in Constants above
58 int status = ModbusBitUtilities.extractUInt16(bArray, 0);
59 if (status >= 0 && status < 5) {
60 epStatus = EP_STATUS_ARRAY[status];
65 // uint16 status register 40085 shall be handled as Bits - check cahpter 3.1.3 page 17
66 byte[] emsStatusBytes = new byte[] { bArray[3], bArray[2] };
67 BitSet bs = BitSet.valueOf(emsStatusBytes);
68 batteryChargingLocked = OnOffType.from(bs.get(EMS_CHARGING_LOCK_BIT));
69 batteryDischargingLocked = OnOffType.from(bs.get(EMS_DISCHARGING_LOCK_BIT));
70 epPossible = OnOffType.from(bs.get(EMS_AVAILABLE_BIT));
71 weatherPredictedCharging = OnOffType.from(bs.get(EMS_WEATHER_CHARGING_BIT));
72 regulationStatus = OnOffType.from(bs.get(EMS_REGULATION_BIT));
73 chargeLockTime = OnOffType.from(bs.get(EMS_CHARGE_LOCKTIME_BIT));
74 dischargeLockTime = OnOffType.from(bs.get(EMS_DISCHARGE_LOCKTIME_BIT));