727 lines
21 KiB
C++
727 lines
21 KiB
C++
#include "calibrationmeasurement.h"
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#include "unit.h"
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#include "calibration.h"
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#include "Util/util.h"
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#include <QDateTime>
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#include <QComboBox>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QCheckBox>
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using namespace std;
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CalibrationMeasurement::Base::Base(Calibration *cal)
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: cal(cal)
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{
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standard = nullptr;
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timestamp = QDateTime();
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}
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std::vector<CalStandard::Virtual *> CalibrationMeasurement::Base::supportedStandards()
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{
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vector<CalStandard::Virtual*> ret;
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for(auto s : cal->getKit().getStandards()) {
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if(supportedStandardTypes().count(s->getType())) {
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ret.push_back(s);
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}
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}
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return ret;
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}
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bool CalibrationMeasurement::Base::setFirstSupportedStandard()
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{
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// assign first valid standard
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auto supported = supportedStandards();
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if(supported.size() > 0) {
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setStandard(supported[0]);
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return true;
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}
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return false;
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}
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bool CalibrationMeasurement::Base::setStandard(CalStandard::Virtual *standard)
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{
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if(standard) {
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if(supportedStandardTypes().count(standard->getType())) {
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// can use this standard
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this->standard = standard;
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connect(standard, &CalStandard::Virtual::deleted, this, [=](){
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setStandard(nullptr);
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});
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emit standardChanged(standard);
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return true;
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} else {
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// can't use this standard, leave unchanged
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return false;
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}
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} else {
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// nullptr passed, remove currently used standard
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if(this->standard) {
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disconnect(this->standard, &CalStandard::Virtual::deleted, this, nullptr);
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}
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this->standard = nullptr;
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emit standardChanged(nullptr);
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return true;
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}
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}
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QTableWidgetItem *CalibrationMeasurement::Base::getStatisticsItem()
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{
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return new QTableWidgetItem(getStatistics());
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}
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QString CalibrationMeasurement::Base::getStatistics()
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{
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if(numPoints() > 0) {
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QString data = QString::number(numPoints());
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data.append(" points from ");
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data.append(Unit::ToString(minFreq(), "Hz", " kMG"));
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data.append(" to ");
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data.append(Unit::ToString(maxFreq(), "Hz", " kMG"));
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return data;
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} else {
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return "Not available";
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}
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}
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std::vector<CalibrationMeasurement::Base::Type> CalibrationMeasurement::Base::availableTypes()
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{
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std::vector<Type> ret;
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for(int i=0;i<(int) Type::Last;i++) {
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ret.push_back((Type) i);
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}
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return ret;
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}
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QString CalibrationMeasurement::Base::TypeToString(CalibrationMeasurement::Base::Type type)
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{
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switch(type) {
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case Type::Open: return "Open";
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case Type::Short: return "Short";
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case Type::Load: return "Load";
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case Type::SlidingLoad: return "SlidingLoad";
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case Type::Reflect: return "Reflect";
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case Type::Through: return "Through";
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case Type::Isolation: return "Isolation";
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case Type::Line: return "Line";
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case Type::Last: return "Invalid";
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}
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return "Invalid";
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}
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CalibrationMeasurement::Base::Type CalibrationMeasurement::Base::TypeFromString(QString s)
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{
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for(int i=0;i<(int) Type::Last;i++) {
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if(TypeToString((Type) i).compare(s, Qt::CaseInsensitive) == 0) {
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return (Type) i;
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}
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}
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return Type::Last;
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}
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QWidget *CalibrationMeasurement::Base::createStandardWidget()
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{
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auto cbStandard = new QComboBox();
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for(auto s : supportedStandards()) {
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cbStandard->addItem(s->getDescription(), qVariantFromValue((void*) s));
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if(standard == s) {
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cbStandard->setCurrentText(s->getDescription());
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}
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}
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if(standard == 0 && cbStandard->count() > 0) {
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// no standard was selected but no there is one available
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setStandard((CalStandard::Virtual*) cbStandard->itemData(0, Qt::UserRole).value<void*>());
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}
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connect(cbStandard, qOverload<int>(&QComboBox::currentIndexChanged), [=](){
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auto s = (CalStandard::Virtual*) cbStandard->itemData(cbStandard->currentIndex(), Qt::UserRole).value<void*>();
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setStandard(s);
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});
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connect(this, &CalibrationMeasurement::Base::standardChanged, cbStandard, [=](){
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for(int i=0;i<cbStandard->count();i++) {
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if((CalStandard::Virtual*) cbStandard->itemData(i, Qt::UserRole).value<void*>() == standard) {
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cbStandard->setCurrentIndex(i);
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}
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}
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});
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return cbStandard;
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}
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nlohmann::json CalibrationMeasurement::Base::toJSON()
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{
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nlohmann::json j;
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if(standard) {
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j["standard"] = standard->getID();
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}
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j["timestamp"] = timestamp.toSecsSinceEpoch();
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return j;
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}
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void CalibrationMeasurement::Base::fromJSON(nlohmann::json j)
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{
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if(j.contains("standard")) {
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auto standards = cal->getKit().getStandards();
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standard = nullptr;
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unsigned long long id = j.value("standard", 0ULL);
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for(auto s : standards) {
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if(s->getID() == id) {
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setStandard(s);
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break;
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}
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}
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}
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timestamp = QDateTime::fromSecsSinceEpoch(j.value("timestamp", 0));
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}
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bool CalibrationMeasurement::Base::canMeasureSimultaneously(std::set<CalibrationMeasurement::Base *> measurements)
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{
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std::set<int> usedPorts;
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for(auto m : measurements) {
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std::vector<int> ports;
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switch(m->getType()) {
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case Type::Open:
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case Type::Short:
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case Type::Load:
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case Type::SlidingLoad:
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case Type::Reflect:
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// Uses one port
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ports.push_back(static_cast<OnePort*>(m)->getPort());
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break;
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case Type::Through:
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case Type::Line:
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// Uses two ports
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ports.push_back(static_cast<TwoPort*>(m)->getPort1());
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ports.push_back(static_cast<TwoPort*>(m)->getPort2());
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break;
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case Type::Isolation:
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// Uses all ports, unable to measure simultaneously
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if(measurements.size() > 1) {
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return false;
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}
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break;
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case Type::Last:
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// invalid
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return false;
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}
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for(auto p : ports) {
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if(usedPorts.count(p)) {
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// port already used for another measurement
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return false;
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} else {
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usedPorts.insert(p);
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}
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}
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}
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// if we get here, no port collisions occurred
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return true;
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}
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QDateTime CalibrationMeasurement::Base::getTimestamp() const
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{
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return timestamp;
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}
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CalStandard::Virtual* CalibrationMeasurement::Base::getStandard() const
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{
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return standard;
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}
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QTableWidgetItem *CalibrationMeasurement::OnePort::getStatisticsItem()
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{
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auto ret = Base::getStatisticsItem();
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if(numPoints() > 0) {
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if(!standard) {
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ret->setBackgroundColor(Qt::red);
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ret->setToolTip("No calibration standard assigned, unable to use this measurement");
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} else if(standard->minFrequency() > points.front().frequency || standard->maxFrequency() < points.back().frequency) {
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ret->setBackgroundColor(Qt::yellow);
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ret->setToolTip("Usable frequency range constrained by calibration standard to "+Unit::ToString(minUsableFreq(), "Hz", " kMG", 4)+" - "+Unit::ToString(maxUsableFreq(), "Hz", " kMG", 4));
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}
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}
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return ret;
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}
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double CalibrationMeasurement::OnePort::minUsableFreq()
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{
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if(points.size() > 0 && standard) {
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return max(points.front().frequency, standard->minFrequency());
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} else {
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return numeric_limits<double>::max();
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}
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}
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double CalibrationMeasurement::OnePort::maxUsableFreq()
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{
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if(points.size() > 0 && standard) {
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return min(points.back().frequency, standard->maxFrequency());
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} else {
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return 0;
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}
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}
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void CalibrationMeasurement::OnePort::clearPoints()
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{
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points.clear();
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timestamp = QDateTime();
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}
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void CalibrationMeasurement::OnePort::addPoint(const DeviceDriver::VNAMeasurement &m)
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{
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QString measurementName = "S"+QString::number(port)+QString::number(port);
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if(m.measurements.count(measurementName) > 0) {
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Point p;
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p.frequency = m.frequency;
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p.S = m.measurements.at(measurementName);
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points.push_back(p);
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timestamp = QDateTime::currentDateTimeUtc();
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}
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}
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QWidget *CalibrationMeasurement::OnePort::createSettingsWidget()
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{
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auto label = new QLabel("Port:");
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auto cbPort = new QComboBox();
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auto dev = DeviceDriver::getActiveDriver();
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if(dev) {
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if(port == 0) {
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setPort(1);
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}
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for(unsigned int i=1;i<=dev->getInfo().Limits.VNA.ports;i++) {
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cbPort->addItem(QString::number(i));
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if(port == i) {
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cbPort->setCurrentText(QString::number(i));
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}
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}
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}
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if(port > 0 && cbPort->findText(QString::number(port)) < 0) {
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// set already selected port, even if device is not connected or does not have this port
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cbPort->addItem(QString::number(port));
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cbPort->setCurrentText(QString::number(port));
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}
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connect(cbPort, qOverload<int>(&QComboBox::currentIndexChanged), [=](){
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setPort(cbPort->currentText().toInt());
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});
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connect(this, &OnePort::portChanged, cbPort, [=](){
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auto string = QString::number(port);
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if(cbPort->findText(string) < 0) {
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// setting does not exist yet, create (should not happen)
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cbPort->addItem(string);
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}
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cbPort->setCurrentText(string);
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});
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auto ret = new QWidget();
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auto layout = new QHBoxLayout;
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layout->setContentsMargins(0,0,0,0);
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layout->addWidget(label);
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layout->addWidget(cbPort);
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layout->setStretch(1, 1);
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ret->setLayout(layout);
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return ret;
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}
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nlohmann::json CalibrationMeasurement::OnePort::toJSON()
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{
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auto j = Base::toJSON();
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j["port"] = port;
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nlohmann::json jpoints;
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for(auto &p : points) {
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nlohmann::json jpoint;
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jpoint["frequency"] = p.frequency;
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jpoint["real"] = p.S.real();
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jpoint["imag"] = p.S.imag();
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jpoints.push_back(jpoint);
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}
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j["points"] = jpoints;
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return j;
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}
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void CalibrationMeasurement::OnePort::fromJSON(nlohmann::json j)
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{
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clearPoints();
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Base::fromJSON(j);
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port = j.value("port", 0);
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if(j.contains("points")) {
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for(auto jpoint : j["points"]) {
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Point p;
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p.frequency = jpoint.value("frequency", 0.0);
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p.S = complex<double>(jpoint.value("real", 0.0), jpoint.value("imag", 0.0));
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points.push_back(p);
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}
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}
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}
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std::complex<double> CalibrationMeasurement::OnePort::getMeasured(double frequency)
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{
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if(points.size() == 0 || frequency < points.front().frequency || frequency > points.back().frequency) {
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return numeric_limits<complex<double>>::quiet_NaN();
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}
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// frequency within points, interpolate
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Point interp = Util::interpolate<Point, double>(points, frequency, [](const Point &p)->double{
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return p.frequency;
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});
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return interp.S;
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}
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std::complex<double> CalibrationMeasurement::OnePort::getActual(double frequency)
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{
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return static_cast<CalStandard::OnePort*>(standard)->toS11(frequency);
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}
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int CalibrationMeasurement::OnePort::getPort() const
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{
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return port;
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}
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void CalibrationMeasurement::OnePort::setPort(unsigned int p)
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{
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if(port != p) {
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port = p;
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emit portChanged(p);
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}
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}
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std::vector<CalibrationMeasurement::OnePort::Point> CalibrationMeasurement::OnePort::getPoints() const
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{
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return points;
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}
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QTableWidgetItem *CalibrationMeasurement::TwoPort::getStatisticsItem()
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{
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auto ret = Base::getStatisticsItem();
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if(numPoints() > 0) {
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if(!standard) {
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ret->setBackgroundColor(Qt::red);
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ret->setToolTip("No calibration standard assigned, unable to use this measurement");
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} else if(standard->minFrequency() > points.front().frequency || standard->maxFrequency() < points.back().frequency) {
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ret->setBackgroundColor(Qt::yellow);
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ret->setToolTip("Usable frequency range constrained by calibration standard to "+Unit::ToString(minUsableFreq(), "Hz", " kMG", 4)+" - "+Unit::ToString(maxUsableFreq(), "Hz", " kMG", 4));
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}
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}
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return ret;
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}
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double CalibrationMeasurement::TwoPort::minUsableFreq()
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{
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if(points.size() > 0 && standard) {
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return max(points.front().frequency, standard->minFrequency());
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} else {
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return numeric_limits<double>::max();
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}
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}
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double CalibrationMeasurement::TwoPort::maxUsableFreq()
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{
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if(points.size() > 0 && standard) {
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return min(points.back().frequency, standard->maxFrequency());
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} else {
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return 0;
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}
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}
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void CalibrationMeasurement::TwoPort::clearPoints()
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{
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points.clear();
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timestamp = QDateTime();
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}
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void CalibrationMeasurement::TwoPort::addPoint(const DeviceDriver::VNAMeasurement &m)
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{
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Point p;
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p.frequency = m.frequency;
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p.S = m.toSparam(port1, port2);
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points.push_back(p);
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timestamp = QDateTime::currentDateTimeUtc();
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}
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QWidget *CalibrationMeasurement::TwoPort::createSettingsWidget()
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{
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auto label1 = new QLabel("From ");
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auto cbPort1 = new QComboBox();
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auto label2 = new QLabel(" to ");
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auto cbPort2 = new QComboBox();
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auto cbReverse = new QCheckBox("Reversed");
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cbReverse->setToolTip("Enable this option if the calibration standard is defined with the port order swapped");
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auto dev = DeviceDriver::getActiveDriver();
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if(dev) {
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if(port1 == 0) {
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setPort1(1);
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}
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if(port2 == 0) {
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setPort2(2);
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}
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for(unsigned int i=1;i<=dev->getInfo().Limits.VNA.ports;i++) {
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cbPort1->addItem(QString::number(i));
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cbPort2->addItem(QString::number(i));
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if(port1 == i) {
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cbPort1->setCurrentText(QString::number(i));
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}
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if(port2 == i) {
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cbPort2->setCurrentText(QString::number(i));
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}
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}
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}
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if(port1 > 0 && cbPort1->findText(QString::number(port1)) < 0) {
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// set already selected port, even if device is not connected or does not have this port
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cbPort1->addItem(QString::number(port1));
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cbPort1->setCurrentText(QString::number(port1));
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}
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if(port2 > 0 && cbPort2->findText(QString::number(port2)) < 0) {
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// set already selected port, even if device is not connected or does not have this port
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cbPort2->addItem(QString::number(port2));
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cbPort2->setCurrentText(QString::number(port2));
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}
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cbReverse->setChecked(reverseStandard);
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connect(cbPort1, qOverload<int>(&QComboBox::currentIndexChanged), [=](){
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setPort1(cbPort1->currentText().toInt());
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});
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connect(cbPort2, qOverload<int>(&QComboBox::currentIndexChanged), [=](){
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setPort2(cbPort2->currentText().toInt());
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});
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connect(cbReverse, &QCheckBox::toggled, [=](){
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setReverseStandard(cbReverse->isChecked());
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});
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connect(this, &TwoPort::port1Changed, cbPort1, [=](){
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auto string = QString::number(port1);
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if(cbPort1->findText(string) < 0) {
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// setting does not exist yet, create (should not happen)
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cbPort1->addItem(string);
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}
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cbPort1->setCurrentText(string);
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});
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connect(this, &TwoPort::port2Changed, cbPort2, [=](){
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auto string = QString::number(port2);
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if(cbPort2->findText(string) < 0) {
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// setting does not exist yet, create (should not happen)
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cbPort2->addItem(string);
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}
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cbPort2->setCurrentText(string);
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});
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connect(this, &TwoPort::reverseStandardChanged, cbReverse, [=](){
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cbReverse->setChecked(reverseStandard);
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});
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auto ret = new QWidget();
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auto layout = new QHBoxLayout;
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layout->setContentsMargins(0,0,0,0);
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layout->addWidget(label1);
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layout->addWidget(cbPort1);
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layout->addWidget(label2);
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layout->addWidget(cbPort2);
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layout->addWidget(cbReverse);
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layout->setStretch(1, 1);
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layout->setStretch(3, 1);
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ret->setLayout(layout);
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return ret;
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}
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nlohmann::json CalibrationMeasurement::TwoPort::toJSON()
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{
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auto j = Base::toJSON();
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j["port1"] = port1;
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j["port2"] = port2;
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j["reverseStandard"] = reverseStandard;
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nlohmann::json jpoints;
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for(auto &p : points) {
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nlohmann::json jpoint;
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jpoint["frequency"] = p.frequency;
|
|
jpoint["Sparam"] = p.S.toJSON();
|
|
jpoints.push_back(jpoint);
|
|
}
|
|
j["points"] = jpoints;
|
|
return j;
|
|
}
|
|
|
|
void CalibrationMeasurement::TwoPort::fromJSON(nlohmann::json j)
|
|
{
|
|
clearPoints();
|
|
Base::fromJSON(j);
|
|
port1 = j.value("port1", 0);
|
|
port2 = j.value("port2", 0);
|
|
reverseStandard = j.value("reverseStandard", false);
|
|
if(j.contains("points")) {
|
|
for(auto jpoint : j["points"]) {
|
|
Point p;
|
|
p.frequency = jpoint.value("frequency", 0.0);
|
|
p.S.fromJSON(jpoint["Sparam"]);
|
|
points.push_back(p);
|
|
}
|
|
}
|
|
}
|
|
|
|
Sparam CalibrationMeasurement::TwoPort::getMeasured(double frequency)
|
|
{
|
|
if(points.size() == 0 || frequency < points.front().frequency || frequency > points.back().frequency) {
|
|
return Sparam();
|
|
}
|
|
// frequency within points, interpolate
|
|
Point interp = Util::interpolate<Point, double>(points, frequency, [](const Point &p)->double{
|
|
return p.frequency;
|
|
});
|
|
return interp.S;
|
|
}
|
|
|
|
Sparam CalibrationMeasurement::TwoPort::getActual(double frequency)
|
|
{
|
|
auto param = static_cast<CalStandard::TwoPort*>(standard)->toSparam(frequency);
|
|
if(reverseStandard) {
|
|
swap(param.m11, param.m22);
|
|
swap(param.m12, param.m21);
|
|
}
|
|
return param;
|
|
}
|
|
|
|
int CalibrationMeasurement::TwoPort::getPort2() const
|
|
{
|
|
return port2;
|
|
}
|
|
|
|
void CalibrationMeasurement::TwoPort::setPort1(unsigned int p)
|
|
{
|
|
if(port1 != p) {
|
|
port1 = p;
|
|
emit port1Changed(p);
|
|
}
|
|
}
|
|
|
|
void CalibrationMeasurement::TwoPort::setPort2(unsigned int p)
|
|
{
|
|
if(port2 != p) {
|
|
port2 = p;
|
|
emit port2Changed(p);
|
|
}
|
|
}
|
|
|
|
void CalibrationMeasurement::TwoPort::setReverseStandard(bool reverse)
|
|
{
|
|
if(reverseStandard != reverse) {
|
|
reverseStandard = reverse;
|
|
emit reverseStandardChanged(reverse);
|
|
}
|
|
}
|
|
|
|
std::vector<CalibrationMeasurement::TwoPort::Point> CalibrationMeasurement::TwoPort::getPoints() const
|
|
{
|
|
return points;
|
|
}
|
|
|
|
int CalibrationMeasurement::TwoPort::getPort1() const
|
|
{
|
|
return port1;
|
|
}
|
|
|
|
unsigned int CalibrationMeasurement::Isolation::numPoints()
|
|
{
|
|
return points.size();
|
|
}
|
|
|
|
void CalibrationMeasurement::Isolation::clearPoints()
|
|
{
|
|
points.clear();
|
|
timestamp = QDateTime();
|
|
}
|
|
|
|
void CalibrationMeasurement::Isolation::addPoint(const DeviceDriver::VNAMeasurement &m)
|
|
{
|
|
Point p;
|
|
p.frequency = m.frequency;
|
|
for(auto &meas : m.measurements) {
|
|
QString name = meas.first;
|
|
unsigned int rcv = name.mid(1, 1).toInt() - 1;
|
|
unsigned int src = name.mid(2, 1).toInt() - 1;
|
|
if(rcv >= p.S.size()) {
|
|
p.S.resize(rcv + 1);
|
|
}
|
|
if(src >= p.S[rcv].size()) {
|
|
p.S[rcv].resize(src + 1);
|
|
}
|
|
p.S[rcv][src] = meas.second;
|
|
}
|
|
points.push_back(p);
|
|
timestamp = QDateTime::currentDateTimeUtc();
|
|
}
|
|
|
|
QWidget *CalibrationMeasurement::Isolation::createStandardWidget()
|
|
{
|
|
return new QLabel("Terminate all ports");
|
|
}
|
|
|
|
QWidget *CalibrationMeasurement::Isolation::createSettingsWidget()
|
|
{
|
|
return new QLabel("No settings available");
|
|
}
|
|
|
|
nlohmann::json CalibrationMeasurement::Isolation::toJSON()
|
|
{
|
|
auto j = Base::toJSON();
|
|
nlohmann::json jpoints;
|
|
for(auto &p : points) {
|
|
nlohmann::json jpoint;
|
|
jpoint["frequency"] = p.frequency;
|
|
nlohmann::json jdest;
|
|
for(auto dst : p.S) {
|
|
nlohmann::json jsrc;
|
|
for(auto src : dst) {
|
|
nlohmann::json jiso;
|
|
jiso["real"] = src.real();
|
|
jiso["imag"] = src.imag();
|
|
jsrc.push_back(jiso);
|
|
}
|
|
jdest.push_back(jsrc);
|
|
}
|
|
jpoint["S"] = jdest;
|
|
jpoints.push_back(jpoint);
|
|
}
|
|
j["points"] = jpoints;
|
|
return j;
|
|
}
|
|
|
|
void CalibrationMeasurement::Isolation::fromJSON(nlohmann::json j)
|
|
{
|
|
clearPoints();
|
|
Base::fromJSON(j);
|
|
if(j.contains("points")) {
|
|
for(auto jpoint : j["points"]) {
|
|
Point p;
|
|
p.frequency = jpoint.value("frequency", 0.0);
|
|
if(jpoint.contains("S")) {
|
|
for(auto jdest : jpoint["S"]) {
|
|
p.S.push_back(vector<complex<double>>());
|
|
for(auto jsrc : jdest) {
|
|
auto S = complex<double>(jsrc.value("real", 0.0), jsrc.value("imag", 0.0));
|
|
p.S.back().push_back(S);
|
|
}
|
|
}
|
|
}
|
|
points.push_back(p);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::complex<double> CalibrationMeasurement::Isolation::getMeasured(double frequency, unsigned int portRcv, unsigned int portSrc)
|
|
{
|
|
if(points.size() == 0 || frequency < points.front().frequency || frequency > points.back().frequency) {
|
|
return numeric_limits<complex<double>>::quiet_NaN();
|
|
}
|
|
portRcv--;
|
|
portSrc--;
|
|
// find correct point, interpolate
|
|
Point interp = Util::interpolate<Point, double>(points, frequency, [](const Point &p)->double{
|
|
return p.frequency;
|
|
});
|
|
if(portRcv >= interp.S.size() || portSrc >= interp.S[portRcv].size()) {
|
|
return numeric_limits<complex<double>>::quiet_NaN();
|
|
} else {
|
|
return interp.S[portRcv][portSrc];
|
|
}
|
|
}
|
|
|
|
std::vector<CalibrationMeasurement::Isolation::Point> CalibrationMeasurement::Isolation::getPoints() const
|
|
{
|
|
return points;
|
|
}
|
|
|
|
QWidget *CalibrationMeasurement::SlidingLoad::createStandardWidget()
|
|
{
|
|
return new QLabel("Connect sliding load");
|
|
}
|