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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.enoceanble.internal;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.openhab.binding.bluetooth.BeaconBluetoothHandler;
  17 import org.openhab.binding.bluetooth.notification.BluetoothScanNotification;
  18 import org.openhab.core.thing.CommonTriggerEvents;
  19 import org.openhab.core.thing.Thing;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * The {@link EnoceanBleRockerHandler} is responsible for handling commands, which are
  25  * sent to one of the channels.
  26  *
  27  * @author Patrick Fink - Initial contribution
  28  */
  29 @NonNullByDefault
  30 public class EnoceanBleRockerHandler extends BeaconBluetoothHandler {
  31
  32     private final Logger logger = LoggerFactory.getLogger(EnoceanBleRockerHandler.class);
  33     private int lastSequence = Integer.MIN_VALUE;
  34
  35     public EnoceanBleRockerHandler(Thing thing) {
  36         super(thing);
  37     }
  38
  39     @Override
  40     public void onScanRecordReceived(BluetoothScanNotification scanNotification) {
  41         super.onScanRecordReceived(scanNotification);
  42         final byte[] manufacturerData = scanNotification.getManufacturerData();
  43         logger.debug("Received new scan notification for {}: {}", device.getAddress(), manufacturerData);
  44         try {
  45             if (manufacturerData != null && manufacturerData.length > 0) {
  46                 EnoceanBlePtm215Event event = new EnoceanBlePtm215Event(manufacturerData);
  47                 logger.debug("Parsed manufacturer data to PTM215B event: {}", event);
  48                 synchronized (this) {
  49                     if (event.getSequence() > lastSequence) {
  50                         lastSequence = event.getSequence();
  51                         triggerChannel(resolveChannel(event), resolveTriggerEvent(event));
  52                     }
  53                 }
  54             }
  55         } catch (IllegalStateException e) {
  56             logger.warn("PTM215B event could not be parsed correctly, exception occured:", e);
  57         }
  58     }
  59
  60     protected String resolveChannel(EnoceanBlePtm215Event event) {
  61         if (event.isButton1()) {
  62             return EnoceanBleBindingConstants.CHANNEL_ID_ROCKER1;
  63         }
  64         if (event.isButton2()) {
  65             return EnoceanBleBindingConstants.CHANNEL_ID_ROCKER2;
  66         }
  67         throw new IllegalStateException(
  68                 "PTM215B event cannot be resolved correctly to a channel, probably received message is invalid");
  69     }
  70
  71     protected String resolveTriggerEvent(EnoceanBlePtm215Event event) {
  72         if (event.isDir1()) {
  73             if (event.isPressed()) {
  74                 return CommonTriggerEvents.DIR1_PRESSED;
  75             } else {
  76                 return CommonTriggerEvents.DIR1_RELEASED;
  77             }
  78         }
  79         if (event.isDir2()) {
  80             if (event.isPressed()) {
  81                 return CommonTriggerEvents.DIR2_PRESSED;
  82             } else {
  83                 return CommonTriggerEvents.DIR2_RELEASED;
  84             }
  85         }
  86         throw new IllegalStateException(
  87                 "PTM215B event cannot be resolved correctly to an openHAB event, probably received message is invalid");
  88     }
  89 }