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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.velbus.internal.packets;
  14
  15 import static org.openhab.binding.velbus.internal.VelbusBindingConstants.COMMAND_READ_MEMORY_BLOCK;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18
  19 /**
  20  * The {@link VelbusReadMemoryBlockPacket} represents a Velbus packet that can be used to
  21  * request a block of 4 bytes from the memory of the given Velbus module.
  22  *
  23  * @author Cedric Boon - Initial contribution
  24  */
  25 @NonNullByDefault
  26 public class VelbusReadMemoryBlockPacket extends VelbusPacket {
  27     private byte highMemoryAddress;
  28     private byte lowMemoryAddress;
  29
  30     public VelbusReadMemoryBlockPacket(byte address, int memoryAddress) {
  31         super(address, PRIO_LOW);
  32
  33         highMemoryAddress = (byte) ((memoryAddress >> 8) & 0xFF);
  34         lowMemoryAddress = (byte) (memoryAddress & 0xFF);
  35     }
  36
  37     @Override
  38     protected byte[] getDataBytes() {
  39         return new byte[] { COMMAND_READ_MEMORY_BLOCK, highMemoryAddress, lowMemoryAddress };
  40     }
  41 }