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.comfoair.internal.datatypes;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.openhab.binding.comfoair.internal.ComfoAirCommandType;
18 import org.openhab.core.library.types.DecimalType;
19 import org.openhab.core.types.State;
20 import org.openhab.core.types.UnDefType;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
25 * Class to handle revolutions per minute values
27 * @author Grzegorz Miasko - Initial Contribution
28 * @author Hans Böhm - Refactoring
31 public class DataTypeRPM implements ComfoAirDataType {
32 private static final DataTypeRPM SINGLETON_INSTANCE = new DataTypeRPM();
34 private DataTypeRPM() {
37 private final Logger logger = LoggerFactory.getLogger(DataTypeRPM.class);
39 public static DataTypeRPM getInstance() {
40 return SINGLETON_INSTANCE;
44 public State convertToState(int @Nullable [] data, ComfoAirCommandType commandType) {
46 logger.trace("\"DataTypeRPM\" class \"convertToState\" method parameter: null");
47 return UnDefType.NULL;
49 int value = calculateNumberValue(data, commandType);
52 return UnDefType.NULL;
54 // transferred value is (1875000 / rpm) per protocol
55 return new DecimalType((int) (1875000.0 / value));
60 public int @Nullable [] convertFromState(State value, ComfoAirCommandType commandType) {
61 if (value instanceof UnDefType) {
62 logger.trace("\"DataTypeRPM\" class \"convertFromState\" undefined state");
65 int[] template = commandType.getChangeDataTemplate();
66 // transferred value is (1875000 / rpm) per protocol
67 template[commandType.getChangeDataPos()] = (int) (1875000 / ((DecimalType) value).doubleValue());