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Import USRP support.

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Add LO offset support.
Only set tx/rx_bandwidth after getting tx stream, to reduce TX LO leakage for <10MHz bandwidths.
Check for reference and LO lock before getting streams.
This commit is contained in:
Jon Beniston
2020-10-25 11:57:48 +00:00
parent 209be94947
commit d8ae6fc765
17 changed files with 299 additions and 70 deletions
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plugins/samplesource/usrpinput/usrpinputgui.cpp
+14 -1
View File
@@ -61,6 +61,9 @@ USRPInputGUI::USRPInputGUI(DeviceUISet *deviceUISet, QWidget* parent) :
ui->sampleRate->setColorMapper(ColorMapper(ColorMapper::GrayGreenYellow));
ui->sampleRate->setValueRange(8, (uint32_t) minF, (uint32_t) maxF);
ui->loOffset->setColorMapper(ColorMapper(ColorMapper::GrayYellow));
ui->loOffset->setValueRange(false, 5, (int32_t)-maxF/2/1000, (int32_t)maxF/2/1000); // LO offset shouldn't be greater than half the sample rate
m_usrpInput->getLPRange(minF, maxF);
ui->lpf->setColorMapper(ColorMapper(ColorMapper::GrayYellow));
ui->lpf->setValueRange(5, (minF/1000)+1, maxF/1000);
@@ -164,6 +167,7 @@ bool USRPInputGUI::handleMessage(const Message& message)
if (report.getRxElseTx()) {
m_settings.m_centerFrequency = report.getCenterFrequency();
m_settings.m_loOffset = report.getLOOffset();
}
blockApplySettings(true);
@@ -174,7 +178,7 @@ bool USRPInputGUI::handleMessage(const Message& message)
}
else if (DeviceUSRPShared::MsgReportClockSourceChange::match(message))
{
qDebug("USRPInputGUI::handleMessage MsgReportClockSourceChange");
qDebug("USRPInputGUI::handleMessage MsgReportClockSourceChange");
DeviceUSRPShared::MsgReportClockSourceChange& report = (DeviceUSRPShared::MsgReportClockSourceChange&) message;
m_settings.m_clockSource = report.getClockSource();
@@ -289,6 +293,8 @@ void USRPInputGUI::updateSampleRate()
} else {
ui->sampleRateLabel->setText(tr("%1M").arg(QString::number(sr / 1000000.0f, 'g', 5)));
}
// LO offset shouldn't be greater than half the sample rate
ui->loOffset->setValueRange(false, 5, -(int32_t)sr/2/1000, (int32_t)sr/2/1000);
}
void USRPInputGUI::updateSampleRateAndFrequency()
@@ -350,6 +356,7 @@ void USRPInputGUI::displaySettings()
updateSampleRate();
ui->lpf->setValue(m_settings.m_lpfBW / 1000);
ui->loOffset->setValue(m_settings.m_loOffset / 1000);
ui->gain->setValue(m_settings.m_gain);
ui->gainText->setText(tr("%1").arg(m_settings.m_gain));
@@ -527,6 +534,12 @@ void USRPInputGUI::on_lpf_changed(quint64 value)
sendSettings();
}
void USRPInputGUI::on_loOffset_changed(qint64 value)
{
m_settings.m_loOffset = value * 1000;
sendSettings();
}
void USRPInputGUI::on_gainMode_currentIndexChanged(int index)
{
m_settings.m_gainMode = (USRPInputSettings::GainMode) index;