package com.intelligt.modbus.jlibmodbus.serial;
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import java.io.IOException;
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/*
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* Copyright (C) 2017 Vladislav Y. Kochedykov
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*
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* [http://jlibmodbus.sourceforge.net]
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*
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* This file is part of JLibModbus.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Authors: Vladislav Y. Kochedykov, software engineer.
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* email: vladislav.kochedykov@gmail.com
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*/
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public class SerialPortJSSC extends SerialPort {
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final private jssc.SerialPort port;
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public SerialPortJSSC(SerialParameters sp) {
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super(sp);
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this.port = new jssc.SerialPort(sp.getDevice());
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}
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@Override
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public void write(int b) throws IOException {
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try {
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port.writeByte((byte) b);
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} catch (Exception e) {
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throw new IOException(e);
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}
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}
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@Override
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public void write(byte[] bytes) throws IOException {
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try {
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port.writeBytes(bytes);
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} catch (Exception e) {
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throw new IOException(e);
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}
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}
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@Override
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public void open() throws SerialPortException {
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try {
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port.openPort();
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SerialParameters sp = getSerialParameters();
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port.setParams(sp.getBaudRate(), sp.getDataBits(), sp.getStopBits(), sp.getParity().getValue());
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port.setFlowControlMode(jssc.SerialPort.FLOWCONTROL_NONE);
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} catch (Exception ex) {
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throw new SerialPortException(ex);
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}
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}
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@Override
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public int read() throws IOException {
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try {
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if (getReadTimeout() > 0)
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return port.readBytes(1, getReadTimeout())[0];
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return port.readBytes(1)[0];
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} catch (Exception e) {
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throw new IOException(e);
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}
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}
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@Override
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public int read(byte[] b, int off, int len) throws IOException {
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try {
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byte[] rb = port.readBytes(len, getReadTimeout());
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System.arraycopy(rb, 0, b, off, len);
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return rb.length;
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} catch (Exception e) {
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throw new IOException(e);
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}
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}
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@Override
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public void close() {
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if (isOpened()) {
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try {
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port.closePort();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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@Override
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public boolean isOpened() {
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return port.isOpened();
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}
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}
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