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LimeSDR input: NCO support (draft #1)

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This commit is contained in:
f4exb
2017-04-20 18:21:01 +02:00
parent 01b469ec80
commit 826941ba80
9 changed files with 396 additions and 48 deletions
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plugins/samplesource/limesdrinput/limesdrinputgui.cpp
+31 -1
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@@ -61,6 +61,8 @@ LimeSDRInputGUI::LimeSDRInputGUI(DeviceSourceAPI *deviceAPI, QWidget* parent) :
ui->lpFIR->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
ui->lpFIR->setValueRange(5, 1U, 56000U);
ui->ncoFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
ui->channelNumberText->setText(tr("#%1").arg(m_limeSDRInput->getChannelIndex()));
connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateHardware()));
@@ -244,6 +246,12 @@ void LimeSDRInputGUI::displaySettings()
ui->gain->setValue(m_settings.m_gain);
ui->gainText->setText(tr("%1dB").arg(m_settings.m_gain));
int ncoHalfRange = (m_settings.m_devSampleRate * (1<<(m_settings.m_log2HardDecim)))/2;
ui->ncoFrequency->setValueRange(7,
(m_settings.m_centerFrequency - ncoHalfRange)/1000,
(m_settings.m_centerFrequency + ncoHalfRange)/1000); // frequency dial is in kHz
ui->ncoFrequency->setValue(m_settings.m_centerFrequency + m_settings.m_ncoFrequency);
}
void LimeSDRInputGUI::sendSettings()
@@ -345,6 +353,25 @@ void LimeSDRInputGUI::on_centerFrequency_changed(quint64 value)
sendSettings();
}
void LimeSDRInputGUI::on_ncoFrequency_changed(quint64 value)
{
m_settings.m_ncoFrequency = (int64_t) value - (int64_t) m_settings.m_centerFrequency;
sendSettings();
}
void LimeSDRInputGUI::on_ncoEnable_toggled(bool checked)
{
m_settings.m_ncoEnable = checked;
sendSettings();
}
void LimeSDRInputGUI::on_ncoReset_clicked(bool checked)
{
m_settings.m_ncoFrequency = 0;
ui->ncoFrequency->setValue(m_settings.m_centerFrequency);
sendSettings();
}
void LimeSDRInputGUI::on_dcOffset_toggled(bool checked)
{
m_settings.m_dcBlock = checked;
@@ -393,7 +420,10 @@ void LimeSDRInputGUI::on_lpFIREnable_toggled(bool checked)
void LimeSDRInputGUI::on_lpFIR_changed(quint64 value)
{
m_settings.m_lpfFIRBW = value * 1000;
sendSettings();
if (m_settings.m_lpfFIREnable) { // do not send the update if the FIR is disabled
sendSettings();
}
}
void LimeSDRInputGUI::on_gain_valueChanged(int value)