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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.bluetooth.grundfosalpha.internal;
  14
  15 import static org.openhab.binding.bluetooth.grundfosalpha.internal.GrundfosAlphaBindingConstants.*;
  16
  17 import javax.measure.quantity.Dimensionless;
  18 import javax.measure.quantity.Length;
  19 import javax.measure.quantity.Temperature;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.openhab.binding.bluetooth.BeaconBluetoothHandler;
  23 import org.openhab.binding.bluetooth.BluetoothDeviceListener;
  24 import org.openhab.binding.bluetooth.notification.BluetoothScanNotification;
  25 import org.openhab.core.library.dimension.VolumetricFlowRate;
  26 import org.openhab.core.library.types.QuantityType;
  27 import org.openhab.core.library.unit.SIUnits;
  28 import org.openhab.core.library.unit.Units;
  29 import org.openhab.core.thing.Thing;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * The {@link GrundfosAlphaHandler} is responsible for handling commands, which are
  35  * sent to one of the channels.
  36  *
  37  * @author Markus Heberling - Initial contribution
  38  */
  39 @NonNullByDefault
  40 public class GrundfosAlphaHandler extends BeaconBluetoothHandler implements BluetoothDeviceListener {
  41
  42     private final Logger logger = LoggerFactory.getLogger(GrundfosAlphaHandler.class);
  43
  44     public GrundfosAlphaHandler(Thing thing) {
  45         super(thing);
  46     }
  47
  48     @Override
  49     public void onScanRecordReceived(BluetoothScanNotification scanNotification) {
  50         super.onScanRecordReceived(scanNotification);
  51         byte[] data = scanNotification.getManufacturerData();
  52         if (data != null && data.length == 21) {
  53             int batteryLevel = (data[5] & 0xFF) * 25;
  54             QuantityType<Dimensionless> quantity = new QuantityType<>(batteryLevel, Units.PERCENT);
  55             updateState(CHANNEL_TYPE_BATTERY_LEVEL, quantity);
  56
  57             float flowRate = ((data[9] & 0xFF) << 8 | (data[8] & 0xFF)) / 6553.5f;
  58             QuantityType<VolumetricFlowRate> quantity2 = new QuantityType<>(flowRate, Units.CUBICMETRE_PER_HOUR);
  59             updateState(CHANNEL_TYPE_FLOW_RATE, quantity2);
  60
  61             float pumpHead = ((data[11] & 0xFF) << 8 | (data[10] & 0xFF)) / 3276.7f;
  62             QuantityType<Length> quantity3 = new QuantityType<>(pumpHead, SIUnits.METRE);
  63             updateState(CHANNEL_TYPE_PUMP_HEAD, quantity3);
  64
  65             float pumpTemperature = data[14] & 0xFF;
  66             QuantityType<Temperature> quantity4 = new QuantityType<>(pumpTemperature, SIUnits.CELSIUS);
  67             updateState(CHANNEL_TYPE_PUMP_TEMPERATUR, quantity4);
  68         }
  69     }
  70 }