VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2024-11-16 13:21:50 -05:00
Code Issues Projects Releases Wiki Activity

Handle SSB variable span in the spectrum GUI but not in the spectrum itseld still based on 6kHz bandwodth

Browse Source
This commit is contained in:
f4exb 2015-06-11 09:18:10 +02:00
parent bec01078d9
commit 85610c6a86
4 changed files with 29 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
plugins/channel/ssb/ssbdemod.cpp
View File

@ -33,6 +33,7 @@ SSBDemod::SSBDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
m_Bandwidth = 5000;
m_LowCutoff = 300;
m_volume = 2.0;
m_spanLog2 = 3;
m_sampleRate = 96000;
m_frequency = 0;
m_nco.setFreq(m_frequency, m_sampleRate);
@ -53,9 +54,9 @@ SSBDemod::~SSBDemod()
if (SSBFilter) delete SSBFilter;
}
void SSBDemod::configure(MessageQueue* messageQueue, Real Bandwidth, Real LowCutoff, Real volume)
void SSBDemod::configure(MessageQueue* messageQueue, Real Bandwidth, Real LowCutoff, Real volume, int spanLog2)
{
Message* cmd = MsgConfigureSSBDemod::create(Bandwidth, LowCutoff, volume);
Message* cmd = MsgConfigureSSBDemod::create(Bandwidth, LowCutoff, volume, spanLog2);
cmd->submit(messageQueue, this);
}
@ -117,7 +118,7 @@ bool SSBDemod::handleMessage(Message* cmd)
if(DSPSignalNotification::match(cmd)) {
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;
qDebug("%d samples/sec, %lld Hz offset", signal->getSampleRate(), signal->getFrequencyOffset());
//fprintf(stderr, "%d samples/sec, %lld Hz offset", signal->getSampleRate(), signal->getFrequencyOffset());
m_sampleRate = signal->getSampleRate();
m_nco.setFreq(-signal->getFrequencyOffset(), m_sampleRate);
m_interpolator.create(16, m_sampleRate, m_Bandwidth);
@ -151,6 +152,9 @@ bool SSBDemod::handleMessage(Message* cmd)
m_volume = cfg->getVolume();
m_volume *= m_volume * 0.1;
m_spanLog2 = cfg->getSpanLog2();
cmd->completed();
return true;
} else {

14
plugins/channel/ssb/ssbdemod.h
View File

@ -35,7 +35,7 @@ public:
SSBDemod(AudioFifo* audioFifo, SampleSink* sampleSink);
~SSBDemod();
void configure(MessageQueue* messageQueue, Real Bandwidth, Real LowCutoff, Real volume);
void configure(MessageQueue* messageQueue, Real Bandwidth, Real LowCutoff, Real volume, int spanLog2);
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly);
void start();
@ -50,22 +50,25 @@ private:
Real getBandwidth() const { return m_Bandwidth; }
Real getLoCutoff() const { return m_LowCutoff; }
Real getVolume() const { return m_volume; }
int getSpanLog2() const { return m_spanLog2; }
static MsgConfigureSSBDemod* create(Real Bandwidth, Real LowCutoff, Real volume)
static MsgConfigureSSBDemod* create(Real Bandwidth, Real LowCutoff, Real volume, int spanLog2)
{
return new MsgConfigureSSBDemod(Bandwidth, LowCutoff, volume);
return new MsgConfigureSSBDemod(Bandwidth, LowCutoff, volume, spanLog2);
}
private:
Real m_Bandwidth;
Real m_LowCutoff;
Real m_volume;
int m_spanLog2;
MsgConfigureSSBDemod(Real Bandwidth, Real LowCutoff, Real volume) :
MsgConfigureSSBDemod(Real Bandwidth, Real LowCutoff, Real volume, int spanLog2) :
Message(),
m_Bandwidth(Bandwidth),
m_LowCutoff(LowCutoff),
m_volume(volume)
m_volume(volume),
m_spanLog2(spanLog2)
{ }
};
@ -78,6 +81,7 @@ private:
Real m_Bandwidth;
Real m_LowCutoff;
Real m_volume;
int m_spanLog2;
int m_undersampleCount;
int m_sampleRate;
int m_frequency;

14
plugins/channel/ssb/ssbdemodgui.cpp
View File

@ -210,7 +210,8 @@ SSBDemodGUI::SSBDemodGUI(PluginAPI* pluginAPI, QWidget* parent) :
ui(new Ui::SSBDemodGUI),
m_pluginAPI(pluginAPI),
m_basicSettingsShown(false),
m_rate(6000)
m_rate(6000),
m_spanLog2(3)
{
ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose, true);
@ -264,18 +265,23 @@ bool SSBDemodGUI::setNewRate(int spanLog2)
return false;
}
m_spanLog2 = spanLog2;
m_rate = 48000 / (1<<spanLog2);
if (ui->BW->value() < -m_rate/100) {
ui->BW->setValue(-m_rate/100);
m_channelMarker->setBandwidth(-m_rate*2);
} else if (ui->BW->value() > m_rate/100) {
ui->BW->setValue(m_rate/100);
m_channelMarker->setBandwidth(m_rate*2);
}
if (ui->lowCut->value() < -m_rate/100) {
ui->lowCut->setValue(-m_rate/100);
m_channelMarker->setLowCutoff(-m_rate);
} else if (ui->lowCut->value() > m_rate/100) {
ui->lowCut->setValue(m_rate/100);
m_channelMarker->setLowCutoff(m_rate);
}
ui->BW->setMinimum(-m_rate/100);
@ -286,6 +292,9 @@ bool SSBDemodGUI::setNewRate(int spanLog2)
QString s = QString::number(m_rate/1000.0, 'f', 1);
ui->spanText->setText(tr("%1k").arg(s));
ui->glSpectrum->setCenterFrequency(m_rate/2);
ui->glSpectrum->setSampleRate(m_rate);
return true;
}
@ -300,7 +309,8 @@ void SSBDemodGUI::applySettings()
m_ssbDemod->configure(m_threadedSampleSink->getMessageQueue(),
ui->BW->value() * 100.0,
ui->lowCut->value() * 100.0,
ui->volume->value() / 10.0 );
ui->volume->value() / 10.0,
m_spanLog2);
}
void SSBDemodGUI::leaveEvent(QEvent*)

1
plugins/channel/ssb/ssbdemodgui.h
View File

@ -50,6 +50,7 @@ private:
ChannelMarker* m_channelMarker;
bool m_basicSettingsShown;
int m_rate;
int m_spanLog2;
AudioFifo* m_audioFifo;
ThreadedSampleSink* m_threadedSampleSink;