 {
     qDebug("DeviceSoapySDRScan::scan: Lib Version: v%s", SoapySDR::getLibVersion().c_str());
     qDebug("DeviceSoapySDRScan::scan: API Version: v%s", SoapySDR::getAPIVersion().c_str());
     qDebug("DeviceSoapySDRScan::scan: ABI Version: v%s", SoapySDR::getABIVersion().c_str());
     qDebug("DeviceSoapySDRScan::scan: Install root: %s", SoapySDR::getRootPath().c_str());
 
     const std::vector<std::string>& modules = SoapySDR::listModules();
 
     for (const auto &it : modules)
     {
         const auto &errMsg = SoapySDR::loadModule(it);
 
         if (not errMsg.empty()) {
             qWarning("DeviceSoapySDRScan::scan: cannot load module %s: %s", it.c_str(), errMsg.c_str());
         } else {
             qDebug("DeviceSoapySDRScan::scan: loaded module: %s", it.c_str());
         }
     }
 
     SoapySDR::FindFunctions findFunctions = SoapySDR::Registry::listFindFunctions();
     SoapySDR::Kwargs kwargs;
     m_deviceEnums.clear();
 
     for (const auto &it : findFunctions) // for each driver
     {
         qDebug("DeviceSoapySDRScan::scan: driver: %s", it.first.c_str());
         kwargs["driver"] = it.first;
 
         SoapySDR::KwargsList kwargsList = SoapySDR::Device::enumerate(kwargs);
         SoapySDR::KwargsList::const_iterator kit = kwargsList.begin();
 
         for (int deviceSeq = 0; kit != kwargsList.end(); ++kit, deviceSeq++) // for each device
         {
             m_deviceEnums.push_back(SoapySDRDeviceEnum());
             m_deviceEnums.back().m_driverName = QString(it.first.c_str());
             m_deviceEnums.back().m_sequence = deviceSeq;
 
             // collect identification information
 
             SoapySDR::Kwargs::const_iterator kargIt;
 
             if ((kargIt = kit->find("label")) != kit->end()) {
                 m_deviceEnums.back().m_label = QString(kargIt->second.c_str());
             } else { // if no label is registered for this device then create a label with the driver name and sequence
                 m_deviceEnums.back().m_label = QString("%1-%2").arg(m_deviceEnums.back().m_driverName).arg(deviceSeq);
             }
 
             if ((kargIt = kit->find("serial")) != kit->end())
             {
                 m_deviceEnums.back().m_idKey = QString(kargIt->first.c_str());
                 m_deviceEnums.back().m_idValue = QString(kargIt->second.c_str());
             }
             else if ((kargIt = kit->find("device_id")) != kit->end())
             {
                 m_deviceEnums.back().m_idKey = QString(kargIt->first.c_str());
                 m_deviceEnums.back().m_idValue = QString(kargIt->second.c_str());
             }
             else if ((kargIt = kit->find("addr")) != kit->end())
             {
                 m_deviceEnums.back().m_idKey = QString(kargIt->first.c_str());
                 m_deviceEnums.back().m_idValue = QString(kargIt->second.c_str());
             }
 
             qDebug("DeviceSoapySDRScan::scan: %s #%u %s id: %s=%s",
                     m_deviceEnums.back().m_driverName.toStdString().c_str(),
                     deviceSeq,
                     m_deviceEnums.back().m_label.toStdString().c_str(),
                     m_deviceEnums.back().m_idKey.toStdString().c_str(),
                     m_deviceEnums.back().m_idValue.toStdString().c_str());
 
             // access the device to get the number of Rx and Tx channels and at the same time probe
             // whether it is available for Soapy
 
             try
             {
                 SoapySDR::Device *device;
                 SoapySDR::Kwargs kwargs;
                 kwargs["driver"] = m_deviceEnums.back().m_driverName.toStdString();
 
                 if (m_deviceEnums.back().m_idKey.size() > 0)  {
                     kwargs[m_deviceEnums.back().m_idKey.toStdString()] = m_deviceEnums.back().m_idValue.toStdString();
                 }
 
                 device =  SoapySDR::Device::make(kwargs);
                 m_deviceEnums.back().m_nbRx = device->getNumChannels(SOAPY_SDR_RX);
                 m_deviceEnums.back().m_nbTx = device->getNumChannels(SOAPY_SDR_TX);
                 qDebug("DeviceSoapySDRScan::scan: %s #%u driver=%s hardware=%s #Rx=%u #Tx=%u",
                         m_deviceEnums.back().m_driverName.toStdString().c_str(),
                         deviceSeq,
                         device->getDriverKey().c_str(),
                         device->getHardwareKey().c_str(),
                         m_deviceEnums.back().m_nbRx,
                         m_deviceEnums.back().m_nbTx);
 
                 SoapySDR::Device::unmake(device);
             }
             catch (const std::exception &ex)
             {
                 qWarning("DeviceSoapySDRScan::scan: %s #%u cannot be opened: %s",
                         m_deviceEnums.back().m_driverName.toStdString().c_str(),
                         deviceSeq,
                         ex.what());
                 m_deviceEnums.pop_back();
             }
         } // for each device
     }
 }