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SSB Modulator: interim state (5)

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This commit is contained in:
f4exb
2016-12-13 23:00:09 +01:00
parent a2089724cf
commit fa1c413e4f
3 changed files with 86 additions and 10 deletions
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plugins/channeltx/modssb/ssbmodgui.cpp
+72
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@@ -233,6 +233,36 @@ void SSBModGUI::on_deltaFrequency_changed(quint64 value)
}
}
void SSBModGUI::on_dsb_toggled(bool checked)
{
if (!checked)
{
if (ui->BW->value() < 0) {
m_channelMarker.setSidebands(ChannelMarker::lsb);
} else {
m_channelMarker.setSidebands(ChannelMarker::usb);
}
ui->glSpectrum->setCenterFrequency(m_rate/4);
ui->glSpectrum->setSampleRate(m_rate/2);
ui->glSpectrum->setSsbSpectrum(true);
on_lowCut_valueChanged(m_channelMarker.getLowCutoff()/100);
}
else
{
m_channelMarker.setSidebands(ChannelMarker::dsb);
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(m_rate);
ui->glSpectrum->setSsbSpectrum(false);
applySettings();
}
setNewRate(m_spanLog2);
}
void SSBModGUI::on_BW_valueChanged(int value)
{
ui->BWText->setText(QString("%1 kHz").arg(value / 10.0, 0, 'f', 1));
@@ -240,6 +270,48 @@ void SSBModGUI::on_BW_valueChanged(int value)
applySettings();
}
void SSBModGUI::on_lowCut_valueChanged(int value)
{
int lowCutoff = getEffectiveLowCutoff(value * 100);
m_channelMarker.setLowCutoff(lowCutoff);
QString s = QString::number(lowCutoff/1000.0, 'f', 1);
ui->lowCutText->setText(tr("%1k").arg(s));
ui->lowCut->setValue(lowCutoff/100);
applySettings();
}
int SSBModGUI::getEffectiveLowCutoff(int lowCutoff)
{
int ssbBW = m_channelMarker.getBandwidth() / 2;
int effectiveLowCutoff = lowCutoff;
const int guard = 100;
if (ssbBW < 0)
{
if (effectiveLowCutoff < ssbBW + guard)
{
effectiveLowCutoff = ssbBW + guard;
}
if (effectiveLowCutoff > 0)
{
effectiveLowCutoff = 0;
}
}
else
{
if (effectiveLowCutoff > ssbBW - guard)
{
effectiveLowCutoff = ssbBW - guard;
}
if (effectiveLowCutoff < 0)
{
effectiveLowCutoff = 0;
}
}
return effectiveLowCutoff;
}
void SSBModGUI::on_toneFrequency_valueChanged(int value)
{
ui->toneFrequencyText->setText(QString("%1k").arg(value / 100.0, 0, 'f', 2));