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FCD: implemented decimation

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This commit is contained in:
f4exb
2019-01-04 15:12:35 +01:00
parent b5a7425f1e
commit 050ae9d2e8
19 changed files with 260 additions and 46 deletions
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plugins/samplesource/fcdproplus/fcdproplusinput.cpp
+14 -2
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@@ -237,7 +237,7 @@ const QString& FCDProPlusInput::getDeviceDescription() const
int FCDProPlusInput::getSampleRate() const
{
return fcd_traits<ProPlus>::sampleRate;
return fcd_traits<ProPlus>::sampleRate/(1<<m_settings.m_log2Decim);
}
quint64 FCDProPlusInput::getCenterFrequency() const
@@ -355,6 +355,18 @@ void FCDProPlusInput::applySettings(const FCDProPlusSettings& settings, bool for
m_settings.m_centerFrequency = settings.m_centerFrequency;
}
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
{
reverseAPIKeys.append("log2Decim");
forwardChange = true;
if (m_FCDThread != 0)
{
m_FCDThread->setLog2Decimation(settings.m_log2Decim);
qDebug() << "FCDProPlusInput::applySettings: set decimation to " << (1<<settings.m_log2Decim);
}
}
if ((m_settings.m_lnaGain != settings.m_lnaGain) || force)
{
reverseAPIKeys.append("lnaGain");
@@ -444,7 +456,7 @@ void FCDProPlusInput::applySettings(const FCDProPlusSettings& settings, bool for
if (forwardChange)
{
DSPSignalNotification *notif = new DSPSignalNotification(fcd_traits<ProPlus>::sampleRate, m_settings.m_centerFrequency);
DSPSignalNotification *notif = new DSPSignalNotification(fcd_traits<ProPlus>::sampleRate/(1<<settings.m_log2Decim), m_settings.m_centerFrequency);
m_fileSink->handleMessage(*notif); // forward to file sink
m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
}