461 lines
15 KiB
C++
461 lines
15 KiB
C++
#include "librevnadriver.h"
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using namespace std;
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class Reference
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{
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public:
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enum class TypeIn {
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Internal,
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External,
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Auto,
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None
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};
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enum class OutFreq {
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MHZ10,
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MHZ100,
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Off,
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None
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};
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static QString OutFreqToLabel(Reference::OutFreq t)
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{
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switch(t) {
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case OutFreq::MHZ10: return "10 MHz";
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case OutFreq::MHZ100: return "100 MHz";
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case OutFreq::Off: return "Off";
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default: return "Invalid";
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}
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}
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static QString OutFreqToKey(Reference::OutFreq f)
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{
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switch(f) {
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case OutFreq::MHZ10: return "10 MHz";
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case OutFreq::MHZ100: return "100 MHz";
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case OutFreq::Off: return "Off";
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default: return "Invalid";
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}
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}
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static Reference::OutFreq KeyToOutFreq(QString key)
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{
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for (auto r: Reference::getOutFrequencies()) {
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if(OutFreqToKey(r) == key|| OutFreqToLabel(r) == key) {
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return r;
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}
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}
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// not found
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return Reference::OutFreq::None;
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}
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static QString TypeToLabel(TypeIn t)
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{
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switch(t) {
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case TypeIn::Internal: return "Internal";
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case TypeIn::External: return "External";
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case TypeIn::Auto: return "Auto";
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default: return "Invalid";
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}
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}
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static const QString TypeToKey(TypeIn t)
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{
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switch(t) {
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case TypeIn::Internal: return "Int";
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case TypeIn::External: return "Ext";
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case TypeIn::Auto: return "Auto";
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default: return "Invalid";
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}
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}
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static TypeIn KeyToType(QString key)
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{
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for (auto r: Reference::getReferencesIn()) {
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if(TypeToKey(r) == key || TypeToLabel(r) == key) {
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return r;
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}
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}
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// not found
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return TypeIn::None;
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}
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static std::vector<Reference::TypeIn> getReferencesIn()
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{
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return {TypeIn::Internal, TypeIn::External, TypeIn::Auto};
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}
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static std::vector<Reference::OutFreq> getOutFrequencies()
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{
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return {OutFreq::Off, OutFreq::MHZ10, OutFreq::MHZ100};
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}
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};
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LibreVNADriver::LibreVNADriver()
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{
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connected = false;
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skipOwnPacketHandling = false;
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SApoints = 0;
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}
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std::set<DeviceDriver::Flag> LibreVNADriver::getFlags()
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{
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std::set<DeviceDriver::Flag> ret;
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if(lastStatus.extRefInUse) {
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ret.insert(Flag::ExtRef);
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}
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if(!lastStatus.source_locked || !lastStatus.LO1_locked) {
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ret.insert(Flag::Unlocked);
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}
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if(lastStatus.unlevel) {
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ret.insert(Flag::Unlevel);
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}
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if(lastStatus.ADC_overload) {
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ret.insert(Flag::Overload);
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}
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return ret;
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}
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QString LibreVNADriver::getStatus()
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{
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QString ret;
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ret.append("HW Rev.");
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ret.append(info.hardware_version);
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ret.append(" FW "+info.firmware_version);
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ret.append(" Temps: "+QString::number(lastStatus.temp_source)+"°C/"+QString::number(lastStatus.temp_LO1)+"°C/"+QString::number(lastStatus.temp_MCU)+"°C");
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ret.append(" Reference:");
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if(lastStatus.extRefInUse) {
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ret.append("External");
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} else {
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ret.append("Internal");
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if(lastStatus.extRefAvailable) {
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ret.append(" (External available)");
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}
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}
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return ret;
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}
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std::vector<Savable::SettingDescription> LibreVNADriver::driverSpecificSettings()
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{
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std::vector<Savable::SettingDescription> ret;
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ret.push_back(Savable::SettingDescription(&captureRawReceiverValues, "captureRawReceiverValues", false));
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ret.push_back(Savable::SettingDescription(&SASignalID, "signalID", true));
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ret.push_back(Savable::SettingDescription(&VNASuppressInvalidPeaks, "suppressInvalidPeaks", true));
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ret.push_back(Savable::SettingDescription(&VNAAdjustPowerLevel, "adjustPowerLevel", false));
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ret.push_back(Savable::SettingDescription(&SAUseDFT, "useDFT", true));
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ret.push_back(Savable::SettingDescription(&SARBWLimitForDFT, "RBWlimitDFT", 3000));
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return ret;
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}
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std::vector<QAction *> LibreVNADriver::driverSpecificActions()
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{
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// TODO
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return std::vector<QAction*>();
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}
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QStringList LibreVNADriver::availableVNAMeasurements()
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{
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QStringList ret;
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for(unsigned int i=1;i<=info.Limits.VNA.ports;i++) {
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for(unsigned int j=1;j<=info.Limits.VNA.ports;j++) {
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ret.push_back("S"+QString::number(i)+QString::number(j));
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}
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}
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if(captureRawReceiverValues) {
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for(unsigned int i=1;i<=info.Limits.VNA.ports;i++) {
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for(unsigned int j=0;j<info.Limits.VNA.ports;j++) {
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ret.push_back("RawPort"+QString::number(i)+"Stage"+QString::number(j));
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ret.push_back("RawPort"+QString::number(i)+"Stage"+QString::number(j)+"Ref");
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}
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}
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}
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return ret;
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}
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bool LibreVNADriver::setVNA(const DeviceDriver::VNASettings &s, std::function<void (bool)> cb)
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{
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if(!supports(Feature::VNA)) {
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return false;
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}
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if(s.excitedPorts.size() == 0) {
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return setIdle(cb);
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}
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// create port->stage mapping
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portStageMapping.clear();
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for(unsigned int i=0;i<s.excitedPorts.size();i++) {
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portStageMapping[s.excitedPorts[i]] = i;
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}
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Protocol::PacketInfo p = {};
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p.type = Protocol::PacketType::SweepSettings;
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p.settings.f_start = s.freqStart;
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p.settings.f_stop = s.freqStop;
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p.settings.points = s.points;
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p.settings.if_bandwidth = s.IFBW;
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p.settings.cdbm_excitation_start = s.dBmStart * 100;
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p.settings.cdbm_excitation_stop = s.dBmStop * 100;
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p.settings.stages = s.excitedPorts.size() - 1;
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p.settings.suppressPeaks = VNASuppressInvalidPeaks ? 1 : 0;
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p.settings.fixedPowerSetting = VNAAdjustPowerLevel || s.dBmStart != s.dBmStop ? 0 : 1;
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p.settings.logSweep = s.logSweep ? 1 : 0;
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zerospan = (s.freqStart == s.freqStop) && (s.dBmStart == s.dBmStop);
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p.settings.port1Stage = find(s.excitedPorts.begin(), s.excitedPorts.end(), 0) - s.excitedPorts.begin();
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p.settings.port2Stage = find(s.excitedPorts.begin(), s.excitedPorts.end(), 1) - s.excitedPorts.begin();
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p.settings.syncMode = 0;
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p.settings.syncMaster = 0;
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return SendPacket(p, [=](TransmissionResult r){
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if(cb) {
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cb(r == TransmissionResult::Ack);
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}
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});
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}
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QStringList LibreVNADriver::availableSAMeasurements()
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{
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QStringList ret;
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for(unsigned int i=1;i<=info.Limits.SA.ports;i++) {
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ret.push_back("PORT"+QString::number(i));
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}
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return ret;
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}
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bool LibreVNADriver::setSA(const DeviceDriver::SASettings &s, std::function<void (bool)> cb)
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{
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if(!supports(Feature::SA)) {
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return false;
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}
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zerospan = s.freqStart == s.freqStop;
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Protocol::PacketInfo p = {};
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p.type = Protocol::PacketType::SpectrumAnalyzerSettings;
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p.spectrumSettings.f_start = s.freqStart;
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p.spectrumSettings.f_stop = s.freqStop;
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constexpr unsigned int maxSApoints = 1001;
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if(s.freqStop - s.freqStart >= maxSApoints || s.freqStop - s.freqStart <= 0) {
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SApoints = maxSApoints;
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} else {
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SApoints = s.freqStop - s.freqStart + 1;
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}
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p.spectrumSettings.pointNum = SApoints;
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p.spectrumSettings.RBW = s.RBW;
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p.spectrumSettings.WindowType = (int) s.window;
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p.spectrumSettings.SignalID = SASignalID ? 1 : 0;
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p.spectrumSettings.Detector = (int) s.detector;
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p.spectrumSettings.UseDFT = 0;
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if(!s.trackingGenerator && SAUseDFT && s.RBW <= SARBWLimitForDFT) {
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p.spectrumSettings.UseDFT = 1;
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}
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p.spectrumSettings.applyReceiverCorrection = 1;
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p.spectrumSettings.trackingGeneratorOffset = s.trackingOffset;
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p.spectrumSettings.trackingPower = s.trackingPower;
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p.spectrumSettings.trackingGenerator = s.trackingGenerator ? 1 : 0;
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p.spectrumSettings.trackingGeneratorPort = s.trackingPort;
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p.spectrumSettings.syncMode = 0;
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p.spectrumSettings.syncMaster = 0;
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return SendPacket(p, [=](TransmissionResult r){
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if(cb) {
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cb(r == TransmissionResult::Ack);
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}
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});
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}
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QStringList LibreVNADriver::availableSGPorts()
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{
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QStringList ret;
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for(unsigned int i=1;i<info.Limits.Generator.ports;i++) {
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ret.push_back("PORT"+QString::number(i));
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}
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return ret;
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}
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bool LibreVNADriver::setSG(const DeviceDriver::SGSettings &s)
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{
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Protocol::PacketInfo p = {};
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p.type = Protocol::PacketType::Generator;
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p.generator.frequency = s.freq;
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p.generator.cdbm_level = s.dBm * 100;
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p.generator.activePort = s.port;
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p.generator.applyAmplitudeCorrection = true;
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return SendPacket(p);
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}
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bool LibreVNADriver::setIdle(std::function<void (bool)> cb)
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{
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Protocol::PacketInfo p;
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p.type = Protocol::PacketType::SetIdle;
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return SendPacket(p, [=](TransmissionResult res) {
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if(cb) {
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cb(res == TransmissionResult::Ack);
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}
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});
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}
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QStringList LibreVNADriver::availableExtRefInSettings()
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{
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QStringList ret;
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for(auto r : Reference::getReferencesIn()) {
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ret.push_back(Reference::TypeToLabel(r));
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}
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return ret;
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}
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QStringList LibreVNADriver::availableExtRefOutSettings()
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{
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QStringList ret;
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for(auto r : Reference::getOutFrequencies()) {
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ret.push_back(Reference::OutFreqToLabel(r));
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}
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return ret;
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}
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bool LibreVNADriver::setExtRef(QString option_in, QString option_out)
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{
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auto refIn = Reference::KeyToType(option_in);
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if(refIn == Reference::TypeIn::None) {
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refIn = Reference::TypeIn::Internal;
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}
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auto refOut = Reference::KeyToOutFreq(option_out);
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if(refOut == Reference::OutFreq::None) {
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refOut = Reference::OutFreq::Off;
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}
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Protocol::PacketInfo p = {};
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p.type = Protocol::PacketType::Reference;
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switch(refIn) {
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case Reference::TypeIn::Internal:
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case Reference::TypeIn::None:
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p.reference.UseExternalRef = 0;
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p.reference.AutomaticSwitch = 0;
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break;
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case Reference::TypeIn::Auto:
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p.reference.UseExternalRef = 0;
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p.reference.AutomaticSwitch = 1;
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break;
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case Reference::TypeIn::External:
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p.reference.UseExternalRef = 1;
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p.reference.AutomaticSwitch = 0;
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break;
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}
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switch(refOut) {
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case Reference::OutFreq::None:
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case Reference::OutFreq::Off: p.reference.ExtRefOuputFreq = 0; break;
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case Reference::OutFreq::MHZ10: p.reference.ExtRefOuputFreq = 10000000; break;
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case Reference::OutFreq::MHZ100: p.reference.ExtRefOuputFreq = 100000000; break;
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}
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return SendPacket(p);
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}
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void LibreVNADriver::handleReceivedPacket(const Protocol::PacketInfo &packet)
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{
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emit passOnReceivedPacket(packet);
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if(skipOwnPacketHandling) {
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return;
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}
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switch(packet.type) {
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case Protocol::PacketType::DeviceInfo:
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// TODO check protocol version
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info.firmware_version = QString::number(packet.info.FW_major)+"."+QString::number(packet.info.FW_minor)+"."+QString::number(packet.info.FW_patch);
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info.hardware_version = QString::number(packet.info.hardware_version)+QString(packet.info.HW_Revision);
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info.supportedFeatures = {
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Feature::VNA, Feature::VNAFrequencySweep, Feature::VNALogSweep, Feature::VNAPowerSweep, Feature::VNAZeroSpan,
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Feature::Generator,
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Feature::SA, Feature::SATrackingGenerator, Feature::SATrackingOffset,
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Feature::ExtRefIn, Feature::ExtRefOut,
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};
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info.Limits.VNA.ports = 2;
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info.Limits.VNA.minFreq = packet.info.limits_minFreq;
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info.Limits.VNA.maxFreq = packet.info.limits_maxFreq; // TODO check if harmonic mixing is enabled
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info.Limits.VNA.maxPoints = packet.info.limits_maxPoints;
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info.Limits.VNA.minIFBW = packet.info.limits_minIFBW;
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info.Limits.VNA.maxIFBW = packet.info.limits_maxIFBW;
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info.Limits.VNA.mindBm = (double) packet.info.limits_cdbm_min / 100;
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info.Limits.VNA.maxdBm = (double) packet.info.limits_cdbm_max / 100;
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info.Limits.Generator.ports = 2;
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info.Limits.Generator.minFreq = packet.info.limits_minFreq;
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info.Limits.Generator.maxFreq = packet.info.limits_maxFreq;
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info.Limits.Generator.mindBm = (double) packet.info.limits_cdbm_min / 100;
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info.Limits.Generator.maxdBm = (double) packet.info.limits_cdbm_max / 100;
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info.Limits.SA.ports = 2;
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info.Limits.SA.minFreq = packet.info.limits_minFreq;
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info.Limits.SA.maxFreq = packet.info.limits_maxFreq;
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info.Limits.SA.minRBW = packet.info.limits_minRBW;
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info.Limits.SA.maxRBW = packet.info.limits_maxRBW;
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info.Limits.SA.mindBm = (double) packet.info.limits_cdbm_min / 100;
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info.Limits.SA.maxdBm = (double) packet.info.limits_cdbm_max / 100;
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emit InfoUpdated();
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break;
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case Protocol::PacketType::DeviceStatusV1:
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lastStatus = packet.statusV1;
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emit StatusUpdated();
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emit FlagsUpdated();
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break;
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case Protocol::PacketType::VNADatapoint: {
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VNAMeasurement m;
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Protocol::VNADatapoint<32> *res = packet.VNAdatapoint;
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m.pointNum = res->pointNum;
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m.Z0 = 50.0;
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if(zerospan) {
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m.us = res->us;
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} else {
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m.frequency = res->frequency;
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m.dBm = (double) res->cdBm / 100;
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}
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for(auto map : portStageMapping) {
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// map.first is the port (starts at zero)
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// map.second is the stage at which this port had the stimulus (starts at zero)
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complex<double> ref = res->getValue(map.second, map.first, true);
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for(unsigned int i=0;i<info.Limits.VNA.ports;i++) {
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complex<double> input = res->getValue(map.second, i, false);
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if(!std::isnan(ref.real()) && !std::isnan(input.real())) {
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// got both required measurements
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QString name = "S"+QString::number(i+1)+QString::number(map.first+1);
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m.measurements[name] = input / ref;
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}
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if(captureRawReceiverValues) {
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QString name = "RawPort"+QString::number(i+1)+"Stage"+QString::number(map.first);
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m.measurements[name] = input;
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name = "RawPort"+QString::number(i+1)+"Stage"+QString::number(map.first)+"Ref";
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m.measurements[name] = res->getValue(map.second, i, true);
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}
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}
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}
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delete res;
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emit VNAmeasurementReceived(m);
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}
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break;
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case Protocol::PacketType::SpectrumAnalyzerResult: {
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SAMeasurement m;
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m.pointNum = packet.spectrumResult.pointNum;
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if(zerospan) {
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m.us = packet.spectrumResult.us;
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} else {
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m.frequency = packet.spectrumResult.frequency;
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}
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m.measurements["PORT1"] = packet.spectrumResult.port1;
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m.measurements["PORT2"] = packet.spectrumResult.port2;
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emit SAmeasurementReceived(m);
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}
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break;
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}
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}
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bool LibreVNADriver::sendWithoutPayload(Protocol::PacketType type, std::function<void(TransmissionResult)> cb)
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{
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Protocol::PacketInfo p;
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p.type = type;
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return SendPacket(p, cb);
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}
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