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prevent the combination of log sweep and start frequency = 0

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Jan Käberich 2025-12-02 11:36:36 +01:00
parent 0f9510e7a0
commit 3aac724298
1 changed files with 7 additions and 0 deletions
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7
Software/PC_Application/LibreVNA-GUI/VNA/vna.cpp
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@ -1256,6 +1256,7 @@ void VNA::SetLogSweep(bool log)
{ {
if(settings.Freq.logSweep != log) { if(settings.Freq.logSweep != log) {
settings.Freq.logSweep = log; settings.Freq.logSweep = log;
ConstrainAndUpdateFrequencies();
emit logSweepChanged(log); emit logSweepChanged(log);
SettingsChanged(); SettingsChanged();
} }
@ -1646,6 +1647,12 @@ void VNA::SetupSCPI()
void VNA::ConstrainAndUpdateFrequencies() void VNA::ConstrainAndUpdateFrequencies()
{ {
if(settings.sweepType == SweepType::Frequency && settings.Freq.logSweep) {
if(settings.Freq.start <= 0) {
// start frequency must be positive, force it to 1 Hz
settings.Freq.start = 1.0;
}
}
if(settings.Freq.stop > DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxFreq) { if(settings.Freq.stop > DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxFreq) {
settings.Freq.stop = DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxFreq; settings.Freq.stop = DeviceDriver::getInfo(window->getDevice()).Limits.VNA.maxFreq;
} }