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Scope: updated documentation and fixed live rate setting when a decimation takes place
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@ -462,7 +462,7 @@ void ChannelAnalyzerGUI::setNewFinalRate()
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QString s = QString::number(m_rate/1000.0, 'f', 1);
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ui->spanText->setText(tr("%1 kS/s").arg(s));
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m_scopeVis->setLiveRate(m_rate);
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m_scopeVis->setLiveRate(getRequestedChannelSampleRate());
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}
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void ChannelAnalyzerGUI::setFiltersUIBoundaries()
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@ -547,6 +547,8 @@ void ChannelAnalyzerGUI::applySettings(bool force)
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ChannelAnalyzer::MsgConfigureChannelAnalyzer* message =
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ChannelAnalyzer::MsgConfigureChannelAnalyzer::create( m_settings, force);
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m_channelAnalyzer->getInputMessageQueue()->push(message);
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m_scopeVis->setLiveRateLog2Decim(m_settings.m_spanLog2);
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}
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}
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@ -321,12 +321,22 @@ By default the trace display is enabled and this checkbox is checked. You can op
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This area shows the current trace color. When clicking on it a color chooser dialog appears that lets you change the color of the current trace
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<h3>11. Memory select</h3>
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<h3>11. Save traces in memory</h3>
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The last 15 traces are stored in memory and this button lets you browse through traces in memory. The memory index appears on the left of the button. Traces in memory are sorted from latest (1) to oldest (15). The memory index 0 is the current live trace. When indexes > 0 are selected the live trace is suspended.
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While in memory mode (see E.13 next) use this button to save the bank of traces in memory (50 last traces) to file. A file dialog will open to let you choose the file name and locaion. By default the file extension is `.trcm`.
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<h3>12. Load traces into memory</h3>
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While in memory mode (see E.13 next) use this button to load traces previously saved to file using the (E.11) button into the traces memory bank (50 traces). A file dialog will open to let you select the file. It will look for files with `.trcm` extension by default.
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<h3>13. Memory select</h3>
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The last 50 traces are stored in memory and this button lets you browse through traces in memory. The memory index appears on the left of the button. Traces in memory are sorted from latest (1) to oldest (50). The memory index 0 is the current live trace. When indexes > 0 are selected the live trace is suspended.
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It is the complex signal that is memorized actually so when a trace in memory is selected you can still use the global and trace controls to change the display. In particular the projection mode and the number of traces can be changed. Only the full trace length cannot be modified. When in memory mode the triggers are disabled since they only apply to a live trace.
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While in memory trace the save (E.11) and load (E.12) traces to file buttons can be used.
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<h2>F. Trigger control line</h2>
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![Channel Analyzer NG plugin scope1 controls](../../../doc/img/ChAnalyzerNG_plugin_scope3.png)
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@ -55,6 +55,7 @@ ScopeVis::ScopeVis(GLScope* glScope) :
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m_traceStart(true),
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m_sampleRate(0),
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m_liveSampleRate(0),
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m_liveLog2Decim(0),
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m_traceDiscreteMemory(m_nbTraceMemories),
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m_freeRun(true),
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m_maxTraceDelay(0),
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@ -82,12 +83,19 @@ void ScopeVis::setLiveRate(int sampleRate)
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m_liveSampleRate = sampleRate;
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if (m_currentTraceMemoryIndex == 0) { // update only in live mode
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setSampleRate(m_liveSampleRate);
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setSampleRate(m_liveSampleRate/(1<<m_liveLog2Decim));
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}
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}
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void ScopeVis::setLiveRateLog2Decim(int log2Decim)
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{
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m_liveLog2Decim = log2Decim;
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setLiveRate(m_liveSampleRate);
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}
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void ScopeVis::setSampleRate(int sampleRate)
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{
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qDebug("ScopeVis::setSampleRate: %d S/s", sampleRate);
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m_sampleRate = sampleRate;
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if (m_glScope) {
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@ -861,7 +869,7 @@ bool ScopeVis::handleMessage(const Message& message)
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// transition to live mode
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if (m_currentTraceMemoryIndex == 0)
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{
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setSampleRate(m_liveSampleRate); // reset to live rate
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setLiveRate(m_liveSampleRate); // reset to live rate
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setTraceSize(m_liveTraceSize, true); // reset to live trace size
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setPreTriggerDelay(m_livePreTriggerDelay, true); // reset to live pre-trigger delay
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}
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@ -153,6 +153,7 @@ public:
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virtual ~ScopeVis();
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void setLiveRate(int sampleRate);
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void setLiveRateLog2Decim(int log2Decim);
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void configure(uint32_t traceSize, uint32_t timeBase, uint32_t timeOfsProMill, uint32_t triggerPre, bool freeRun);
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void addTrace(const TraceData& traceData);
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void changeTrace(const TraceData& traceData, uint32_t traceIndex);
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@ -1106,6 +1107,7 @@ private:
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SampleVector::const_iterator m_triggerPoint; //!< Trigger start location in the samples vector
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int m_sampleRate; //!< Actual sample rate being used
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int m_liveSampleRate; //!< Sample rate in live mode
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int m_liveLog2Decim; //!< Sample rate decimation log2 in live mode
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TraceBackDiscreteMemory m_traceDiscreteMemory; //!< Complex trace memory for triggered states TODO: vectorize when more than on input is allowed
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bool m_freeRun; //!< True if free running (trigger globally disabled)
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int m_maxTraceDelay; //!< Maximum trace delay
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@ -284,7 +284,7 @@ This controls the decay rate of the stroke when phosphor display is engaged (4.C
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<h4>4.8. Phosphor display stroke decay divisor</h4>
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When phosphor display is engaged (4.C) and stroke decay is 1 (4.7) this divides the unit decay by this value by diminishing histogram pixel value by one each time a decay divisor of FFTs have been produced. So actual decay rate is 1 over this value.
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When phosphor display is engaged (4.C) and stroke decay is 1 (4.7) this divides the unit decay by this value by diminishing histogram pixel value by one each time a number of FFTs equal to this number have been produced. Thus the actual decay rate is 1 over this value. This allow setting a slower decay rate than one unit for each new FFT.
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<h4>4.9. Phosphor display stroke strength</h4>
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