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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.elroconnects.internal.devices;
  14
  15 import static org.openhab.binding.elroconnects.internal.ElroConnectsBindingConstants.*;
  16 import static org.openhab.core.library.unit.SIUnits.CELSIUS;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.openhab.binding.elroconnects.internal.ElroConnectsBindingConstants.ElroDeviceStatus;
  20 import org.openhab.binding.elroconnects.internal.handler.ElroConnectsBridgeHandler;
  21 import org.openhab.binding.elroconnects.internal.handler.ElroConnectsDeviceHandler;
  22 import org.openhab.core.library.types.DecimalType;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.library.types.QuantityType;
  25 import org.openhab.core.library.unit.Units;
  26 import org.openhab.core.thing.ThingStatus;
  27 import org.openhab.core.thing.ThingStatusDetail;
  28 import org.openhab.core.types.UnDefType;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * The {@link ElroConnectsDeviceTemperatureSensor} is representing an ELRO Connects temperature and humidity sensor
  34  * device.
  35  *
  36  * @author Mark Herwege - Initial contribution
  37  */
  38 @NonNullByDefault
  39 public class ElroConnectsDeviceTemperatureSensor extends ElroConnectsDevice {
  40
  41     private final Logger logger = LoggerFactory.getLogger(ElroConnectsDeviceTemperatureSensor.class);
  42
  43     public ElroConnectsDeviceTemperatureSensor(int deviceId, ElroConnectsBridgeHandler bridge) {
  44         super(deviceId, bridge);
  45     }
  46
  47     @Override
  48     public void updateState() {
  49         ElroConnectsDeviceHandler handler = getHandler();
  50         if (handler == null) {
  51             return;
  52         }
  53
  54         ElroDeviceStatus elroStatus = ElroDeviceStatus.NORMAL;
  55         int signalStrength = 0;
  56         int batteryLevel = 0;
  57         int temperature = 0;
  58         int humidity = 0;
  59         String deviceStatus = this.deviceStatus;
  60         if (deviceStatus.length() >= 8) {
  61             signalStrength = Integer.parseInt(deviceStatus.substring(0, 2), 16);
  62             signalStrength = (signalStrength > 4) ? 4 : ((signalStrength < 0) ? 0 : signalStrength);
  63             batteryLevel = Integer.parseInt(deviceStatus.substring(2, 4), 16);
  64             temperature = Byte.parseByte(deviceStatus.substring(4, 6), 16);
  65             humidity = Integer.parseInt(deviceStatus.substring(6, 8));
  66         } else {
  67             elroStatus = ElroDeviceStatus.FAULT;
  68             logger.debug("Could not decode device status: {}", deviceStatus);
  69         }
  70
  71         switch (elroStatus) {
  72             case FAULT:
  73                 handler.updateState(SIGNAL_STRENGTH, UnDefType.UNDEF);
  74                 handler.updateState(BATTERY_LEVEL, UnDefType.UNDEF);
  75                 handler.updateState(LOW_BATTERY, UnDefType.UNDEF);
  76                 handler.updateState(TEMPERATURE, UnDefType.UNDEF);
  77                 handler.updateState(HUMIDITY, UnDefType.UNDEF);
  78                 String msg = String.format("@text/offline.device-fault [ \"%d\" ]", deviceId);
  79                 handler.updateStatus(ThingStatus.ONLINE, ThingStatusDetail.NONE, msg);
  80                 break;
  81             default:
  82                 handler.updateState(SIGNAL_STRENGTH, new DecimalType(signalStrength));
  83                 handler.updateState(BATTERY_LEVEL, new DecimalType(batteryLevel));
  84                 handler.updateState(LOW_BATTERY, (batteryLevel < 15) ? OnOffType.ON : OnOffType.OFF);
  85                 handler.updateState(TEMPERATURE, new QuantityType<>(temperature, CELSIUS));
  86                 handler.updateState(HUMIDITY, new QuantityType<>(humidity, Units.PERCENT));
  87                 handler.updateStatus(ThingStatus.ONLINE);
  88         }
  89     }
  90
  91     @Override
  92     public void testAlarm() {
  93         // nothing
  94     }
  95
  96     @Override
  97     public void muteAlarm() {
  98         // nothing
  99     }
 100
 101     @Override
 102     public void switchState(boolean state) {
 103         // nothing
 104     }
 105 }