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Add support for the ubuntu platform.
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‎plugin.xml‎

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<source-file src="src/android/fr/drangies/cordova/serial/UsbBroadcastReceiver.java" target-dir="src/fr/drangies/cordova/serial" />
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<source-file src="lib/usbseriallibrary.jar" target-dir="libs" />
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</platform>
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<!-- ubuntu -->
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<platform name="ubuntu">
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<header-file src="src/ubuntu/serial.h" />
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<source-file src="src/ubuntu/serial.cpp" />
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</platform>
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</plugin>

‎src/ubuntu/serial.cpp‎

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/*
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* Copyright 2015 Loci Controls Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* Author: Ian Martin <ian@locicontrols.com>
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*/
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#include <cstdio>
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#include <QtCore>
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#include "serial.h"
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#define error_desc(desc) "'" desc "'"
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static QString byteArrayToJavaScript(QByteArray data) {
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int n;
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char buf[5];
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QString qs = "\"";
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for (n = 0; n < data.size(); n++) {
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sprintf(buf, "\\x%02x", data[n] & 0xff);
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qs += buf;
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}
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return qs + "\"";
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}
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void Serial::onDataAvailable(void) {
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if (port == NULL) return;
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QByteArray data = port->readAll();
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if (_scId != 0) callbackWithoutRemove(_scId, byteArrayToJavaScript(data));
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}
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Serial::Serial(Cordova *cordova) : CPlugin(cordova) {
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_scId = 0;
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_ecId = 0;
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}
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void Serial::requestPermission(int scId, int ecId, const QVariantMap& arg) {
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callback(scId, "{}");
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}
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void Serial::openSerial(int scId, int ecId, const QVariantMap& arg) {
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bool result;
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QVariantMap opts = arg["opts"].toMap();
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port = new QSerialPort(opts.value("device", "/dev/ttyUSB0").toString());
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if (port == NULL) {
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callback(ecId, error_desc("QSerialPort constructor failed"));
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return;
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}
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port->setBaudRate((QSerialPort::BaudRate)opts.value("baudRate", 9600).toInt());
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port->setParity(opts.contains("parity")? (QSerialPort::Parity)opts["parity"].toInt() : QSerialPort::NoParity);
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port->setFlowControl(QSerialPort::NoFlowControl);
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port->setDataBits((QSerialPort::DataBits)opts.value("dataBits", 8).toInt());
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port->setStopBits(opts.contains("stopBits")? (QSerialPort::StopBits)opts["stopBits"].toInt() : QSerialPort::OneStop);
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readWaitMillis = opts.value("readWaitMillis", 200).toInt();
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if (!connect(port, SIGNAL(readyRead()), this, SLOT(onDataAvailable()))) {
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callback(ecId, error_desc("connect() failed"));
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return;
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}
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if (!port->open(QIODevice::ReadWrite)) {
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callback(ecId, error_desc("QSerialPort::open() failed"));
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return;
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}
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callback(scId, "{}");
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}
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void Serial::writeSerial(int scId, int ecId, const QVariantMap& arg) {
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if (port->isOpen()) {
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QByteArray data = arg["data"].toString().toLatin1();
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qint64 written = 0;
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while (written < data.size()) {
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qint64 result = port->write(data.mid(written));
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if (result < 0) {
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callback(ecId, error_desc("Error writing data"));
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return;
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} else {
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written += result;
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}
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}
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callback(scId, "{}");
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} else {
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callback(ecId, error_desc("Port not open"));
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}
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}
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static QByteArray hex2bin(QString hexString) {
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QByteArray result = "";
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while(hexString.size() >= 2) {
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result.append(QChar(hexString.left(2).toInt(NULL, 16)));
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hexString.remove(0, 2);
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}
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return result;
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}
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void Serial::writeSerialHex(int scId, int ecId, const QVariantMap& arg) {
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QVariantMap obj = arg;
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obj["data"] = hex2bin(arg["data"].toString());
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writeSerial(scId, ecId, obj);
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}
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void Serial::readSerial(int scId, int ecId) {
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if (port->isOpen()) {
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if ( (port->bytesAvailable() > 0) || port->waitForReadyRead(readWaitMillis) ) {
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callback(scId, byteArrayToJavaScript(port->readAll()));
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} else {
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callback(ecId, error_desc("No data available"));
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}
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} else {
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callback(ecId, error_desc("Port not open"));
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}
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}
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void Serial::closeSerial(int scId, int ecId) {
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if (port->isOpen()) {
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callback(scId, "{}");
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} else {
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callback(ecId, error_desc("Port not open"));
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}
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}
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void Serial::registerReadCallback(int scId, int ecId) {
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_scId = scId;
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_ecId = ecId;
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}

‎src/ubuntu/serial.h‎

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/*
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* Copyright 2015 Loci Controls Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
7+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8+
* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* Author: Ian Martin <ian@locicontrols.com>
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*/
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#ifndef SERIAL_H
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#define SERIAL_H
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#include <QSerialPort>
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#include <cplugin.h>
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class Serial: public CPlugin {
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Q_OBJECT
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public:
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explicit Serial(Cordova *cordova);
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virtual const QString fullName() override {
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return Serial::fullID();
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}
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virtual const QString shortName() override {
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return "Serial";
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}
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static const QString fullID() {
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return "fr.drangies.cordova.serial";
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}
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public slots:
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void requestPermission(int scId, int ecId, const QVariantMap& arg);
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void openSerial(int scId, int ecId, const QVariantMap& arg);
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void writeSerial(int scId, int ecId, const QVariantMap& arg);
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void writeSerialHex(int scId, int ecId, const QVariantMap& arg);
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void readSerial(int scId, int ecId);
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void closeSerial(int scId, int ecId);
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void registerReadCallback(int scId, int ecId);
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private slots:
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void onDataAvailable(void);
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private:
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QSerialPort* port;
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int readWaitMillis;
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int _scId;
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int _ecId;
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};
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#endif

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