decouple RST settings from startup settings

Software/PC_Application/LibreVNA-GUI/Generator/generator.cpp

@@ -46,6 +46,13 @@ void Generator::initializeDevice()
     updateDevice();
 }
 
+void Generator::resetSettings()
+{
+    central->setFrequency(1000000000);
+    central->setLevel(0);
+    central->setPort(0);
+}
+
 nlohmann::json Generator::toJSON()
 {
     return central->toJSON();

Software/PC_Application/LibreVNA-GUI/Generator/generator.h

@@ -15,6 +15,8 @@ public:
 
     virtual Type getType() override { return Type::SG;}
 
+    virtual void resetSettings() override;
+
     // Nothing to do for now
     virtual nlohmann::json toJSON() override;
     virtual void fromJSON(nlohmann::json j) override;

Software/PC_Application/LibreVNA-GUI/SpectrumAnalyzer/spectrumanalyzer.cpp

@@ -366,6 +366,18 @@ void SpectrumAnalyzer::deviceDisconnected()
     emit sweepStopped();
 }
 
+void SpectrumAnalyzer::resetSettings()
+{
+    settings.freqStart = DeviceDriver::getInfo(window->getDevice()).Limits.SA.minFreq;
+    settings.freqStop = DeviceDriver::getInfo(window->getDevice()).Limits.SA.maxFreq;
+    ConstrainAndUpdateFrequencies();
+    SetRBW(1000000);
+    SetAveraging(1);
+    SetWindow(DeviceDriver::SASettings::Window::FlatTop);
+    SetDetector(DeviceDriver::SASettings::Detector::PPeak);
+    Stop();
+}
+
 nlohmann::json SpectrumAnalyzer::toJSON()
 {
     nlohmann::json j;

Software/PC_Application/LibreVNA-GUI/SpectrumAnalyzer/spectrumanalyzer.h

@@ -25,6 +25,8 @@ public:
 
     virtual Type getType() override { return Type::SA;}
 
+    virtual void resetSettings() override;
+
     // Only save/load user changeable stuff, no need to save the widgets/mode name etc.
     virtual nlohmann::json toJSON() override;
     virtual void fromJSON(nlohmann::json j) override;

Software/PC_Application/LibreVNA-GUI/VNA/vna.cpp

@@ -772,6 +772,23 @@ void VNA::shutdown()
     }
 }
 
+void VNA::resetSettings()
+{
+    settings.Freq.start = DeviceDriver::getInfo(window->getDevice()).Limits.VNA.minFreq;
+    settings.Freq.stop = DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxFreq;
+    SetLogSweep(false);
+    SetSourceLevel(DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxdBm);
+    ConstrainAndUpdateFrequencies();
+    SetStartPower(DeviceDriver::getInfo(window->getDevice()).Limits.VNA.mindBm);
+    SetStopPower(DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxdBm);
+    SetPowerSweepFrequency(DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxFreq);
+    SetIFBandwidth(1000);
+    SetAveraging(1);
+    SetPoints(501);
+    SetSweepType(SweepType::Frequency);
+    Stop();
+}
+
 nlohmann::json VNA::toJSON()
 {
     nlohmann::json j;

Software/PC_Application/LibreVNA-GUI/VNA/vna.h

@@ -27,6 +27,8 @@ public:
 
     virtual Type getType() override { return Type::VNA;}
 
+    virtual void resetSettings() override;
+
     // Only save/load user changeable stuff, no need to save the widgets/mode name etc.
     virtual nlohmann::json toJSON() override;
     virtual void fromJSON(nlohmann::json j) override;

Software/PC_Application/LibreVNA-GUI/appwindow.cpp

@@ -324,6 +324,20 @@ void AppWindow::SetInitialState()
     }
 }
 
+void AppWindow::SetResetState()
+{
+    modeHandler->closeModes();
+    auto vnaIndex = modeHandler->createMode("Vector Network Analyzer", Mode::Type::VNA);
+    modeHandler->createMode("Signal Generator", Mode::Type::SG);
+    modeHandler->createMode("Spectrum Analyzer", Mode::Type::SA);
+
+    for(auto m : modeHandler->getModes()) {
+        m->resetSettings();
+    }
+
+    modeHandler->setCurrentIndex(vnaIndex);
+}
+
 bool AppWindow::ConnectToDevice(QString serial, DeviceDriver *driver)
 {
     if(serial.isEmpty()) {
@@ -487,15 +501,7 @@ void AppWindow::SetupSCPI()
         return "LibreVNA,LibreVNA-GUI,dummy_serial,"+appVersion;
     }));
     scpi.add(new SCPICommand("*RST", [=](QStringList){
-        SetInitialState();
+        SetResetState();
-        auto vna = dynamic_cast<VNA*>(modeHandler->getActiveMode());
-        if(vna) {
-            vna->Stop();
-        }
-        auto sa = dynamic_cast<SpectrumAnalyzer*>(modeHandler->getActiveMode());
-        if(sa) {
-            sa->Stop();
-        }
         ResetReference();
         return SCPI::getResultName(SCPI::Result::Empty);
     }, nullptr));

Software/PC_Application/LibreVNA-GUI/appwindow.h

@@ -59,6 +59,7 @@ protected:
     void closeEvent(QCloseEvent *event) override;
 private slots:
     void SetInitialState();
+    void SetResetState();
     bool ConnectToDevice(QString serial = QString(), DeviceDriver *driver = nullptr);
     void DisconnectDevice();
     int UpdateDeviceList();

Software/PC_Application/LibreVNA-GUI/mode.h

@@ -36,6 +36,8 @@ public:
     static Type TypeFromName(QString s);
     virtual Type getType() = 0;
 
+    virtual void resetSettings(){}
+
     virtual void initializeDevice() = 0;
     virtual void deviceDisconnected(){}