Method refreshSerialDevices

app/src/IO/Drivers/UART.cpp:728–773

* @brief Scans for available serial ports and rebuilds the device list. */

 * @brief Scans for available serial ports and rebuilds the device list.
 */
void IO::Drivers::UART::refreshSerialDevices()
{
  QStringList names;
  QStringList locations;
  locations.append("/dev/null");
  names.append(tr("Select Port"));

  auto validPortList = validPorts();
  for (const auto& info : std::as_const(validPortList)) {
    if (!info.isNull()) {
#ifdef Q_OS_WIN
      names.append(info.portName() + "  " + info.description());
#else
      names.append(info.portName());
#endif

      locations.append(info.systemLocation());
    }
  }

  if (m_deviceNames != names) {
    m_deviceNames     = names;
    m_deviceLocations = locations;

    const bool indexChanged = relocateOpenPortIndex(validPortList);

    const bool uart_active = ConnectionManager::instance().busType() == SerialStudio::BusType::UART;
    if (uart_active && autoReconnect() && m_lastSerialDeviceIndex > 0
        && m_lastSerialDeviceIndex < portList().count()) {
      setPortIndex(m_lastSerialDeviceIndex);
      ConnectionManager::instance().connectDevice();
    }

    Q_EMIT availablePortsChanged();

    if (indexChanged)
      Q_EMIT portIndexChanged();
  }

  if (m_portIndex == 0) {
    const auto ports = portList();
    auto lastPort    = m_settings.value("IO_Serial_SelectedDevice", "").toString();
    if (!lastPort.isEmpty() && ports.contains(lastPort))
      setPortIndex(ports.indexOf(lastPort));
  }
}

/**
 * @brief Handles a serial port error by disconnecting and showing a message box.