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   1 /**
   2  * Copyright (c) 2010-2022 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 batteryLevel = 0;
  56         int temperature = 0;
  57         int humidity = 0;
  58         String deviceStatus = this.deviceStatus;
  59         if (deviceStatus.length() >= 8) {
  60             batteryLevel = Integer.parseInt(deviceStatus.substring(2, 4), 16);
  61             temperature = Byte.parseByte(deviceStatus.substring(4, 6), 16);
  62             humidity = Integer.parseInt(deviceStatus.substring(6, 8));
  63         } else {
  64             elroStatus = ElroDeviceStatus.FAULT;
  65             logger.debug("Could not decode device status: {}", deviceStatus);
  66         }
  67
  68         switch (elroStatus) {
  69             case FAULT:
  70                 handler.updateState(BATTERY_LEVEL, UnDefType.UNDEF);
  71                 handler.updateState(LOW_BATTERY, UnDefType.UNDEF);
  72                 handler.updateState(TEMPERATURE, UnDefType.UNDEF);
  73                 handler.updateState(HUMIDITY, UnDefType.UNDEF);
  74                 handler.updateStatus(ThingStatus.ONLINE, ThingStatusDetail.NONE, "Device " + deviceId + " has a fault");
  75                 break;
  76             default:
  77                 handler.updateState(BATTERY_LEVEL, new DecimalType(batteryLevel));
  78                 handler.updateState(LOW_BATTERY, (batteryLevel < 15) ? OnOffType.ON : OnOffType.OFF);
  79                 handler.updateState(TEMPERATURE, new QuantityType<>(temperature, CELSIUS));
  80                 handler.updateState(HUMIDITY, new QuantityType<>(humidity, Units.PERCENT));
  81                 handler.updateStatus(ThingStatus.ONLINE);
  82         }
  83     }
  84
  85     @Override
  86     public void testAlarm() {
  87         // nothing
  88     }
  89
  90     @Override
  91     public void muteAlarm() {
  92         // nothing
  93     }
  94
  95     @Override
  96     public void switchState(boolean state) {
  97         // nothing
  98     }
  99 }