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Implementation of the Modbus protocol in Java language
package com.invertor.modbus.msg.response;
import com.invertor.modbus.exception.ModbusNumberException;
import com.invertor.modbus.msg.base.ModbusResponse;
import com.invertor.modbus.net.stream.base.ModbusInputStream;
import com.invertor.modbus.net.stream.base.ModbusOutputStream;
import com.invertor.modbus.utils.ModbusFunctionCode;
import java.io.IOException;
/*
* Copyright (C) 2016 "Invertor" Factory", JSC
* [http://www.sbp-invertor.ru]
*
* This file is part of JLibModbus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Authors: Vladislav Y. Kochedykov, software engineer.
* email: [email protected]
*/
final public class ReadExceptionStatusResponse extends ModbusResponse {
private int exceptionStatus = 0;
public ReadExceptionStatusResponse(int serverAddress) throws ModbusNumberException {
super(serverAddress);
}
public int getExceptionStatus() {
return exceptionStatus;
}
public void setExceptionStatus(int exceptionStatus) {
this.exceptionStatus = (byte) exceptionStatus & 0xff;
}
@Override
protected void readResponse(ModbusInputStream fifo) throws IOException {
setExceptionStatus(fifo.read());
}
@Override
protected void writeResponse(ModbusOutputStream fifo) throws IOException {
fifo.write(getExceptionStatus());
}
@Override
protected int responseSize() {
return 1;
}
@Override
public int getFunction() {
return ModbusFunctionCode.READ_EXCEPTION_STATUS.toInt();
}
}