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https://github.com/f4exb/sdrangel.git
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there's a sharp knee in the curve. Add support for displaying noise floor in results table.
283 lines
8.6 KiB
C++
283 lines
8.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015-2018 Edouard Griffiths, F4EXB. //
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// Copyright (C) 2021 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_NOISEFIGURE_H
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#define INCLUDE_NOISEFIGURE_H
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#include <vector>
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#include <QNetworkRequest>
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#include <QUdpSocket>
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#include <QThread>
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#include <QDateTime>
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#include "dsp/basebandsamplesink.h"
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#include "channel/channelapi.h"
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#include "util/message.h"
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#include "util/visa.h"
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#include "noisefigurebaseband.h"
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#include "noisefiguresettings.h"
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class QNetworkAccessManager;
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class QNetworkReply;
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class QThread;
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class DeviceAPI;
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class NoiseFigure : public BasebandSampleSink, public ChannelAPI {
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Q_OBJECT
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public:
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class MsgConfigureNoiseFigure : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const NoiseFigureSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureNoiseFigure* create(const NoiseFigureSettings& settings, bool force)
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{
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return new MsgConfigureNoiseFigure(settings, force);
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}
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private:
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NoiseFigureSettings m_settings;
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bool m_force;
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MsgConfigureNoiseFigure(const NoiseFigureSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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class MsgPowerMeasurement : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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double getPower() const { return m_power; }
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static MsgPowerMeasurement* create(double power)
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{
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return new MsgPowerMeasurement(power);
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}
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private:
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double m_power;
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MsgPowerMeasurement(double power) :
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Message(),
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m_power(power)
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{
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}
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};
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class MsgNFMeasurement : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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double getFrequency() const { return m_frequency; }
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double getNF() const { return m_nf; }
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double getTemp() const { return m_temp; }
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double getY() const { return m_y; }
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double getENR() const { return m_enr; }
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double getFloor() const { return m_floor; }
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static MsgNFMeasurement* create(double frequency, double nf, double temp, double y, double enr, double floor)
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{
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return new MsgNFMeasurement(frequency, nf, temp, y, enr, floor);
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}
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private:
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double m_frequency; // In MHz
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double m_nf; // In dB
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double m_temp; // In Kelvin
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double m_y; // In dB
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double m_enr; // In dB
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double m_floor; // In dBm
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MsgNFMeasurement(double frequency, double nf, double temp, double y, double enr, double floor) :
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Message(),
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m_frequency(frequency),
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m_nf(nf),
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m_temp(temp),
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m_y(y),
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m_enr(enr),
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m_floor(floor)
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{
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}
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};
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// Sent from GUI to start of stop a measurement
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class MsgStartStop : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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static MsgStartStop* create()
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{
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return new MsgStartStop();
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}
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private:
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MsgStartStop() :
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Message()
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{
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}
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};
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// Sent to GUI to indicate measurements have finished
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class MsgFinished : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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QString getErrorMessage() const { return m_errorMessage; }
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static MsgFinished* create()
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{
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QString noError;
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return new MsgFinished(noError);
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}
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static MsgFinished* create(const QString& errorMessage)
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{
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return new MsgFinished(errorMessage);
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}
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private:
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QString m_errorMessage;
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MsgFinished(const QString& errorMessage) :
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Message(),
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m_errorMessage(errorMessage)
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{
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}
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};
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NoiseFigure(DeviceAPI *deviceAPI);
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virtual ~NoiseFigure();
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virtual void destroy() { delete this; }
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using BasebandSampleSink::feed;
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool po);
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virtual void start();
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virtual void stop();
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virtual bool handleMessage(const Message& cmd);
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virtual void getIdentifier(QString& id) { id = objectName(); }
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virtual const QString& getURI() const { return getName(); }
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virtual void getTitle(QString& title) { title = m_settings.m_title; }
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virtual qint64 getCenterFrequency() const { return 0; }
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virtual QByteArray serialize() const;
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virtual bool deserialize(const QByteArray& data);
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virtual int getNbSinkStreams() const { return 1; }
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virtual int getNbSourceStreams() const { return 0; }
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virtual qint64 getStreamCenterFrequency(int streamIndex, bool sinkElseSource) const
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{
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(void) streamIndex;
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(void) sinkElseSource;
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return 0;
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}
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virtual int webapiSettingsGet(
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage);
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virtual int webapiSettingsPutPatch(
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bool force,
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const QStringList& channelSettingsKeys,
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage);
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static void webapiFormatChannelSettings(
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SWGSDRangel::SWGChannelSettings& response,
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const NoiseFigureSettings& settings);
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static void webapiUpdateChannelSettings(
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NoiseFigureSettings& settings,
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const QStringList& channelSettingsKeys,
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SWGSDRangel::SWGChannelSettings& response);
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double getMagSq() const { return m_basebandSink->getMagSq(); }
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void getMagSqLevels(double& avg, double& peak, int& nbSamples) {
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m_basebandSink->getMagSqLevels(avg, peak, nbSamples);
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}
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bool openVISADevice();
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void closeVISADevice();
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void processVISA(QStringList commands);
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void powerOn();
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void powerOff();
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double calcENR(double frequency);
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uint32_t getNumberOfDeviceStreams() const;
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static const char * const m_channelIdURI;
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static const char * const m_channelId;
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private:
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DeviceAPI *m_deviceAPI;
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QThread m_thread;
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NoiseFigureBaseband* m_basebandSink;
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NoiseFigureSettings m_settings;
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int m_basebandSampleRate; //!< stored from device message used when starting baseband sink
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qint64 m_centerFrequency;
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QNetworkAccessManager *m_networkManager;
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QNetworkRequest m_networkRequest;
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void applySettings(const NoiseFigureSettings& settings, bool force = false);
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void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const NoiseFigureSettings& settings, bool force);
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void webapiFormatChannelSettings(
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QList<QString>& channelSettingsKeys,
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SWGSDRangel::SWGChannelSettings *swgChannelSettings,
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const NoiseFigureSettings& settings,
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bool force
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);
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enum State {
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IDLE,
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SET_FREQUENCY,
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POWER_ON,
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MEASURE_ON,
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POWER_OFF,
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MEASURE_OFF,
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COMPLETE
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} m_state;
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double m_measurementFrequency; // In Hz
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QList<double> m_freqs; // In Hz
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int m_step; // Current frequency step
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int m_steps; // Number of frequencies to test
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double m_onPower;
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double m_offPower;
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ViSession m_session;
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VISA m_visa;
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private slots:
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void networkManagerFinished(QNetworkReply *reply);
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void nextState();
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};
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#endif // INCLUDE_NOISEFIGURE_H
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