qt-everywhere-src-5.14.1/qtserialbus/examples/serialbus/modbus/adueditor/mainwindow.cpp - orbit - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the examples of the QtSerialBus module.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and The Qt Company. For licensing terms
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
 ** BSD License Usage
 ** Alternatively, you may use this file under the terms of the BSD license
 ** as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of The Qt Company Ltd nor the names of its
 **     contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "mainwindow.h"
 #include "modbustcpclient.h"

 #include <QLoggingCategory>
 #include <QModbusPdu>
 #include <QModbusRtuSerialMaster>
 #include <QSerialPortInfo>

 #ifndef QT_STATIC
  QT_BEGIN_NAMESPACE
  Q_LOGGING_CATEGORY(QT_MODBUS, "qt.modbus")
  Q_LOGGING_CATEGORY(QT_MODBUS_LOW, "qt.modbus.lowlevel")
  QT_END_NAMESPACE
 #endif

 QT_USE_NAMESPACE

 MainWindow *s_instance = nullptr;

 static void HandlerFunction(QtMsgType, const QMessageLogContext &, const QString &msg)
 {
     if (auto instance = MainWindow::instance())
         instance->appendToLog(msg);
 }

 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , m_debugHandler(HandlerFunction)
 {
     setupUi(this);
     s_instance = this;

     const auto ports = QSerialPortInfo::availablePorts();
     for (const QSerialPortInfo &info : ports)
         serialPortCombo->addItem(info.portName(), false);
     serialPortCombo->insertSeparator(serialPortCombo->count());
     serialPortCombo->addItem(tr("Add port..."), true);
     serialPortCombo->setInsertPolicy(QComboBox::InsertAtTop);

     connect(tcpRadio, &QRadioButton::toggled, this, [this](bool toggled) {
         stackedWidget->setCurrentIndex(toggled);
     });
     connect(actionExit, &QAction::triggered, this, &QMainWindow::close);

     QLoggingCategory::setFilterRules(QStringLiteral("qt.modbus* = true"));
 }

 MainWindow::~MainWindow()
 {
     disconnectAndDelete();
     s_instance = nullptr;
 }

 MainWindow *MainWindow::instance()
 {
     return s_instance;
 }

 void MainWindow::on_sendButton_clicked()
 {
     const bool isSerial = serialRadio->isChecked();
     const bool isCustom = (isSerial ? fcSerialDrop : fcTcpDrop)->currentIndex() == 0;
     const QByteArray pduData = QByteArray::fromHex((isSerial ? pduSerialLine : pduTcpLine)->text()
         .toLatin1());

     QModbusReply *reply = nullptr;
     if (isCustom && pduData.isEmpty()) {
         qDebug() << "Error: Cannot send custom PDU without any data.";
         return;
     }

     const quint8 address = quint8((isSerial ? addressSpin : ui1Spin)->value());
     if (isCustom) {
         qDebug() << "Send: Sending custom PDU.";
         reply = m_device->sendRawRequest(QModbusRequest(QModbusRequest::FunctionCode(
             pduData[0]), pduData.mid(1)), address);
     } else {
         qDebug() << "Send: Sending PDU with predefined function code.";
         quint16 fc = (isSerial ? fcSerialDrop : fcTcpDrop)->currentText().left(4).toUShort(0, 16);
         reply = m_device->sendRawRequest(QModbusRequest(QModbusRequest::FunctionCode(fc), pduData),
             address);
     }

     if (reply) {
         sendButton->setDisabled(true);
         if (!reply->isFinished()) {
             connect(reply, &QModbusReply::finished, [reply, this]() {
                 sendButton->setEnabled(true);
                 qDebug() << "Receive: Asynchronous response PDU: " << reply->rawResult() << Qt::endl;
             });
         } else {
             sendButton->setEnabled(true);
             qDebug() << "Receive: Synchronous response pdu: " << reply->rawResult() << Qt::endl;
         }
     }
 }

 void MainWindow::on_connectButton_clicked()
 {
     if (tcpRadio->isChecked()) {
         auto device = new ModbusTcpClient;
         connect(ti1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);
         connect(ti2Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);

         connect(pi1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);
         connect(pi2Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);

         connect(l1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);
         connect(l2Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);

         connect(ui1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
                 device, &ModbusTcpClient::valueChanged);

         m_device = device;
         device->valueChanged(0);    // trigger update
         m_device->setConnectionParameter(QModbusDevice::NetworkAddressParameter,
             tcpAddressEdit->text());
         m_device->setConnectionParameter(QModbusDevice::NetworkPortParameter,
             tcpPortEdit->text());
     } else {
         m_device = new QModbusRtuSerialMaster;
         m_device->setConnectionParameter(QModbusDevice::SerialPortNameParameter,
             serialPortCombo->currentText());

         int parity = parityCombo->currentIndex();
         if (parity > 0)
             parity++;
         m_device->setConnectionParameter(QModbusDevice::SerialParityParameter, parity);
         m_device->setConnectionParameter(QModbusDevice::SerialDataBitsParameter,
             dataBitsCombo->currentText().toInt());
         m_device->setConnectionParameter(QModbusDevice::SerialStopBitsParameter,
             stopBitsCombo->currentText().toInt());
         m_device->setConnectionParameter(QModbusDevice::SerialBaudRateParameter,
             baudRateCombo->currentText().toInt());
     }
     m_device->setTimeout(timeoutSpin->value());
     m_device->setNumberOfRetries(retriesSpin->value());

     connect(m_device, &QModbusDevice::errorOccurred, this, [this](QModbusDevice::Error) {
         qDebug().noquote() << QStringLiteral("Error: %1").arg(m_device->errorString());
         emit disconnectButton->clicked();
     }, Qt::QueuedConnection);

     connect(m_device, &QModbusDevice::stateChanged, [](QModbusDevice::State state) {
         switch (state) {
         case QModbusDevice::UnconnectedState:
             qDebug().noquote() << QStringLiteral("State: Entered unconnected state.");
             break;
         case QModbusDevice::ConnectingState:
             qDebug().noquote() << QStringLiteral("State: Entered connecting state.");
             break;
         case QModbusDevice::ConnectedState:
             qDebug().noquote() << QStringLiteral("State: Entered connected state.");
             break;
         case QModbusDevice::ClosingState:
             qDebug().noquote() << QStringLiteral("State: Entered closing state.");
             break;
         }
     });
     m_device->connectDevice();
 }

 void MainWindow::on_disconnectButton_clicked()
 {
     disconnectAndDelete();
 }

 void MainWindow::on_serialPortCombo_currentIndexChanged(int index)
 {
     const bool custom = serialPortCombo->itemData(index, Qt::UserRole).toBool();
     serialPortCombo->setEditable(custom);
     if (custom) {
         serialPortCombo->clearEditText();
         serialPortCombo->lineEdit()->setPlaceholderText(QStringLiteral("Type here..."));
     }
 }

 void MainWindow::disconnectAndDelete()
 {
     if (!m_device)
         return;
     m_device->disconnectDevice();
     m_device->disconnect();
     delete m_device;
     m_device = nullptr;
 }
	/****************************************************************************
	**
	** Copyright (C) 2017 The Qt Company Ltd.
	** Contact: https://www.qt.io/licensing/
	**
	** This file is part of the examples of the QtSerialBus module.
	**
	** $QT_BEGIN_LICENSE:BSD$
	** Commercial License Usage
	** Licensees holding valid commercial Qt licenses may use this file in
	** accordance with the commercial license agreement provided with the
	** Software or, alternatively, in accordance with the terms contained in
	** a written agreement between you and The Qt Company. For licensing terms
	** and conditions see https://www.qt.io/terms-conditions. For further
	** information use the contact form at https://www.qt.io/contact-us.
	**
	** BSD License Usage
	** Alternatively, you may use this file under the terms of the BSD license
	** as follows:
	**
	** "Redistribution and use in source and binary forms, with or without
	** modification, are permitted provided that the following conditions are
	** met:
	** * Redistributions of source code must retain the above copyright
	** notice, this list of conditions and the following disclaimer.
	** * Redistributions in binary form must reproduce the above copyright
	** notice, this list of conditions and the following disclaimer in
	** the documentation and/or other materials provided with the
	** distribution.
	** * Neither the name of The Qt Company Ltd nor the names of its
	** contributors may be used to endorse or promote products derived
	** from this software without specific prior written permission.
	**
	**
	** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#include "mainwindow.h"
	#include "modbustcpclient.h"

	#include <QLoggingCategory>
	#include <QModbusPdu>
	#include <QModbusRtuSerialMaster>
	#include <QSerialPortInfo>

	#ifndef QT_STATIC
	QT_BEGIN_NAMESPACE
	Q_LOGGING_CATEGORY(QT_MODBUS, "qt.modbus")
	Q_LOGGING_CATEGORY(QT_MODBUS_LOW, "qt.modbus.lowlevel")
	QT_END_NAMESPACE
	#endif

	QT_USE_NAMESPACE

	MainWindow *s_instance = nullptr;

	static void HandlerFunction(QtMsgType, const QMessageLogContext &, const QString &msg)
	{
	if (auto instance = MainWindow::instance())
	instance->appendToLog(msg);
	}

	MainWindow::MainWindow(QWidget *parent)
	: QMainWindow(parent)
	, m_debugHandler(HandlerFunction)
	{
	setupUi(this);
	s_instance = this;

	const auto ports = QSerialPortInfo::availablePorts();
	for (const QSerialPortInfo &info : ports)
	serialPortCombo->addItem(info.portName(), false);
	serialPortCombo->insertSeparator(serialPortCombo->count());
	serialPortCombo->addItem(tr("Add port..."), true);
	serialPortCombo->setInsertPolicy(QComboBox::InsertAtTop);

	connect(tcpRadio, &QRadioButton::toggled, this, [this](bool toggled) {
	stackedWidget->setCurrentIndex(toggled);
	});
	connect(actionExit, &QAction::triggered, this, &QMainWindow::close);

	QLoggingCategory::setFilterRules(QStringLiteral("qt.modbus* = true"));
	}

	MainWindow::~MainWindow()
	{
	disconnectAndDelete();
	s_instance = nullptr;
	}

	MainWindow *MainWindow::instance()
	{
	return s_instance;
	}

	void MainWindow::on_sendButton_clicked()
	{
	const bool isSerial = serialRadio->isChecked();
	const bool isCustom = (isSerial ? fcSerialDrop : fcTcpDrop)->currentIndex() == 0;
	const QByteArray pduData = QByteArray::fromHex((isSerial ? pduSerialLine : pduTcpLine)->text()
	.toLatin1());

	QModbusReply *reply = nullptr;
	if (isCustom && pduData.isEmpty()) {
	qDebug() << "Error: Cannot send custom PDU without any data.";
	return;
	}

	const quint8 address = quint8((isSerial ? addressSpin : ui1Spin)->value());
	if (isCustom) {
	qDebug() << "Send: Sending custom PDU.";
	reply = m_device->sendRawRequest(QModbusRequest(QModbusRequest::FunctionCode(
	pduData[0]), pduData.mid(1)), address);
	} else {
	qDebug() << "Send: Sending PDU with predefined function code.";
	quint16 fc = (isSerial ? fcSerialDrop : fcTcpDrop)->currentText().left(4).toUShort(0, 16);
	reply = m_device->sendRawRequest(QModbusRequest(QModbusRequest::FunctionCode(fc), pduData),
	address);
	}

	if (reply) {
	sendButton->setDisabled(true);
	if (!reply->isFinished()) {
	connect(reply, &QModbusReply::finished, [reply, this]() {
	sendButton->setEnabled(true);
	qDebug() << "Receive: Asynchronous response PDU: " << reply->rawResult() << Qt::endl;
	});
	} else {
	sendButton->setEnabled(true);
	qDebug() << "Receive: Synchronous response pdu: " << reply->rawResult() << Qt::endl;
	}
	}
	}

	void MainWindow::on_connectButton_clicked()
	{
	if (tcpRadio->isChecked()) {
	auto device = new ModbusTcpClient;
	connect(ti1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);
	connect(ti2Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);

	connect(pi1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);
	connect(pi2Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);

	connect(l1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);
	connect(l2Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);

	connect(ui1Spin, QOverload<int>::of(&QSpinBox::valueChanged),
	device, &ModbusTcpClient::valueChanged);

	m_device = device;
	device->valueChanged(0); // trigger update
	m_device->setConnectionParameter(QModbusDevice::NetworkAddressParameter,
	tcpAddressEdit->text());
	m_device->setConnectionParameter(QModbusDevice::NetworkPortParameter,
	tcpPortEdit->text());
	} else {
	m_device = new QModbusRtuSerialMaster;
	m_device->setConnectionParameter(QModbusDevice::SerialPortNameParameter,
	serialPortCombo->currentText());

	int parity = parityCombo->currentIndex();
	if (parity > 0)
	parity++;
	m_device->setConnectionParameter(QModbusDevice::SerialParityParameter, parity);
	m_device->setConnectionParameter(QModbusDevice::SerialDataBitsParameter,
	dataBitsCombo->currentText().toInt());
	m_device->setConnectionParameter(QModbusDevice::SerialStopBitsParameter,
	stopBitsCombo->currentText().toInt());
	m_device->setConnectionParameter(QModbusDevice::SerialBaudRateParameter,
	baudRateCombo->currentText().toInt());
	}
	m_device->setTimeout(timeoutSpin->value());
	m_device->setNumberOfRetries(retriesSpin->value());

	connect(m_device, &QModbusDevice::errorOccurred, this, [this](QModbusDevice::Error) {
	qDebug().noquote() << QStringLiteral("Error: %1").arg(m_device->errorString());
	emit disconnectButton->clicked();
	}, Qt::QueuedConnection);

	connect(m_device, &QModbusDevice::stateChanged, [](QModbusDevice::State state) {
	switch (state) {
	case QModbusDevice::UnconnectedState:
	qDebug().noquote() << QStringLiteral("State: Entered unconnected state.");
	break;
	case QModbusDevice::ConnectingState:
	qDebug().noquote() << QStringLiteral("State: Entered connecting state.");
	break;
	case QModbusDevice::ConnectedState:
	qDebug().noquote() << QStringLiteral("State: Entered connected state.");
	break;
	case QModbusDevice::ClosingState:
	qDebug().noquote() << QStringLiteral("State: Entered closing state.");
	break;
	}
	});
	m_device->connectDevice();
	}

	void MainWindow::on_disconnectButton_clicked()
	{
	disconnectAndDelete();
	}

	void MainWindow::on_serialPortCombo_currentIndexChanged(int index)
	{
	const bool custom = serialPortCombo->itemData(index, Qt::UserRole).toBool();
	serialPortCombo->setEditable(custom);
	if (custom) {
	serialPortCombo->clearEditText();
	serialPortCombo->lineEdit()->setPlaceholderText(QStringLiteral("Type here..."));
	}
	}

	void MainWindow::disconnectAndDelete()
	{
	if (!m_device)
	return;
	m_device->disconnectDevice();
	m_device->disconnect();
	delete m_device;
	m_device = nullptr;
	}