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Corrected channel analyzer decimation and incorrect workarounds

This commit is contained in:
f4exb 2015-07-16 22:31:12 +02:00
parent 93aa852897
commit 7ee44dfd27
5 changed files with 22 additions and 20 deletions
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2
plugins/channel/chanalyzer/chanalyzer.cpp
View File

@ -63,7 +63,7 @@ void ChannelAnalyzer::feed(SampleVector::const_iterator begin, SampleVector::con
{
fftfilt::cmplx *sideband, sum;
int n_out;
int decim = 1<<(m_spanLog2 - 1);
int decim = 1<<m_spanLog2;
unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)
for(SampleVector::const_iterator it = begin; it < end; ++it) {

23
plugins/channel/chanalyzer/chanalyzergui.cpp
View File

@ -208,8 +208,8 @@ void ChannelAnalyzerGUI::on_ssb_toggled(bool checked)
m_channelMarker->setSidebands(ChannelMarker::usb);
}
ui->glSpectrum->setCenterFrequency(m_rate/2);
ui->glSpectrum->setSampleRate(m_rate);
ui->glSpectrum->setCenterFrequency(m_rate/4);
ui->glSpectrum->setSampleRate(m_rate/2);
ui->glSpectrum->setSsbSpectrum(true);
on_lowCut_valueChanged(m_channelMarker->getLowCutoff()/100);
@ -219,7 +219,7 @@ void ChannelAnalyzerGUI::on_ssb_toggled(bool checked)
m_channelMarker->setSidebands(ChannelMarker::dsb);
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(2*m_rate);
ui->glSpectrum->setSampleRate(m_rate);
ui->glSpectrum->setSsbSpectrum(false);
applySettings();
@ -342,21 +342,22 @@ bool ChannelAnalyzerGUI::setNewRate(int spanLog2)
m_channelMarker->setSidebands(ChannelMarker::usb);
}
ui->glSpectrum->setCenterFrequency(m_rate/2);
ui->glSpectrum->setSampleRate(m_rate);
ui->glSpectrum->setCenterFrequency(m_rate/4);
ui->glSpectrum->setSampleRate(m_rate/2);
ui->glSpectrum->setSsbSpectrum(true);
ui->glScope->setSampleRate(m_rate);
m_scopeVis->setSampleRate(m_rate);
} else {
}
else
{
m_channelMarker->setSidebands(ChannelMarker::dsb);
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(2*m_rate);
ui->glSpectrum->setSampleRate(m_rate);
ui->glSpectrum->setSsbSpectrum(false);
ui->glScope->setSampleRate(2*m_rate);
m_scopeVis->setSampleRate(2*m_rate);
}
ui->glScope->setSampleRate(m_rate);
m_scopeVis->setSampleRate(m_rate);
return true;
}

5
sdrbase/dsp/scopevis.cpp
View File

@ -125,8 +125,11 @@ bool ScopeVis::handleMessageKeep(Message* message)
{
if(DSPSignalNotification::match(message)) {
DSPSignalNotification* signal = (DSPSignalNotification*)message;
//fprintf(stderr, "ScopeVis::handleMessage @%x : %d samples/sec, %lld Hz offset\n", this, signal->getSampleRate(), signal->getFrequencyOffset());
m_sampleRate = signal->getSampleRate();
/*fprintf(stderr, "ScopeVis::handleMessage : %d samples/sec, %lld Hz offset, traceSize: \n",
m_sampleRate,
signal->getFrequencyOffset(),
m_trace.size());*/
return true;
} else if(MsgConfigureScopeVis::match(message)) {
MsgConfigureScopeVis* conf = (MsgConfigureScopeVis*)message;

4
sdrbase/gui/glscope.cpp
View File

@ -338,7 +338,7 @@ void GLScope::paintGL()
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glLineWidth(1.0f);
glColor4f(1, 1, 0, 0.4f);
glColor4f(1, 1, 0.25f, 0.4f);
int start = (m_timeOfsProMill/1000.0) * m_displayTrace->size();
int end = std::min(start + m_displayTrace->size()/m_timeBase, m_displayTrace->size());
if(end - start < 2)
@ -510,7 +510,7 @@ void GLScope::paintGL()
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glLineWidth(1.0f);
glColor4f(1, 1, 0, 0.4f);
glColor4f(1, 1, 0.25f, 0.4f);
int start = (m_timeOfsProMill/1000.0) * m_displayTrace->size();
int end = std::min(start + m_displayTrace->size()/m_timeBase, m_displayTrace->size());
if(end - start < 2)

8
sdrbase/gui/glscopegui.cpp
View File

@ -243,13 +243,11 @@ void GLScopeGUI::setTimeScaleDisplay()
{
m_sampleRate = m_glScope->getSampleRate();
qreal t = (m_glScope->getTraceSize() * 1.0 / m_sampleRate) / (qreal)m_timeBase;
/*
std::cerr << "GLScopeGUI::setTimeScaleDisplay: sample rate: "
<< m_glScope->getSampleRate()
/*std::cerr << "GLScopeGUI::setTimeScaleDisplay: sample rate: "
<< m_sampleRate
<< " traceSize: " << m_glScope->getTraceSize()
<< " timeBase: " << m_timeBase
<< " glScope @" << m_glScope << std::endl;
*/
<< " t: " << t << std::endl;*/
if(t < 0.000001)
ui->timeText->setText(tr("%1\nns").arg(t * 1000000000.0));
else if(t < 0.001)