Apart Concept 1 Serial Controller Program with modern UI

src/transport/SerialTransport.cpp

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+#include "SerialTransport.h"
+#include "protocol/Concept1Protocol.h"
+
+#include <QSerialPort>
+#include <QSerialPortInfo>
+
+SerialTransport::SerialTransport(const QString &portName, QObject *parent)
+    : ITransport(parent)
+    , m_port(new QSerialPort(this))
+    , m_portName(portName)
+{
+    m_port->setBaudRate(Concept1::kBaudRate);
+    m_port->setDataBits(QSerialPort::Data8);
+    m_port->setParity(QSerialPort::NoParity);
+    m_port->setStopBits(QSerialPort::OneStop);
+    m_port->setFlowControl(QSerialPort::NoFlowControl);
+
+    connect(m_port, &QSerialPort::readyRead, this, &SerialTransport::onReadyRead);
+    connect(m_port, &QSerialPort::errorOccurred, this,
+            [this](QSerialPort::SerialPortError e) {
+                if (e == QSerialPort::NoError)
+                    return;
+                emit errorOccurred(m_port->errorString());
+                if (e == QSerialPort::ResourceError && m_port->isOpen()) {
+                    m_port->close();
+                    emit openedChanged(false);
+                }
+            });
+}
+
+SerialTransport::~SerialTransport()
+{
+    if (m_port->isOpen())
+        m_port->close();
+}
+
+void SerialTransport::setPortName(const QString &portName)
+{
+    m_portName = portName;
+}
+
+bool SerialTransport::open()
+{
+    if (m_port->isOpen())
+        return true;
+    m_port->setPortName(m_portName);
+    const bool ok = m_port->open(QIODevice::ReadWrite);
+    if (ok) {
+        m_port->setBaudRate(Concept1::kBaudRate);
+        m_port->setDataBits(QSerialPort::Data8);
+        m_port->setParity(QSerialPort::NoParity);
+        m_port->setStopBits(QSerialPort::OneStop);
+        m_port->setFlowControl(QSerialPort::NoFlowControl);
+        emit openedChanged(true);
+    } else {
+        emit errorOccurred(m_port->errorString());
+    }
+    return ok;
+}
+
+void SerialTransport::close()
+{
+    if (m_port->isOpen()) {
+        m_port->close();
+        emit openedChanged(false);
+    }
+}
+
+bool SerialTransport::isOpen() const
+{
+    return m_port->isOpen();
+}
+
+void SerialTransport::write(const QByteArray &data)
+{
+    if (m_port->isOpen())
+        m_port->write(data);
+}
+
+QString SerialTransport::endpointName() const
+{
+    return m_portName;
+}
+
+void SerialTransport::onReadyRead()
+{
+    const QByteArray data = m_port->readAll();
+    if (!data.isEmpty())
+        emit bytesReceived(data);
+}
+
+QStringList SerialTransport::availablePorts()
+{
+    QStringList result;
+    const auto ports = QSerialPortInfo::availablePorts();
+    for (const QSerialPortInfo &info : ports) {
+        QString entry = info.portName();
+        if (!info.description().isEmpty())
+            entry += QStringLiteral(" :: ") + info.description();
+        result << entry;
+    }
+    return result;
+}