2 * Copyright (c) 2010-2020 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.io.transport.modbus;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
18 * Minimal representation of a modbus response.
20 * Only function code is exposed, which allows detecting MODBUS exception codes from normal codes.
22 * @author Sami Salonen - Initial contribution
25 public interface ModbusResponse {
28 * Function code of the response.
30 * Note that in case of Slave responding with Modbus exception response, the response
31 * function code might differ from request function code
33 * @return function code of the response
35 public int getFunctionCode();