void DSPEngine::handleMessages()
{
Message* message;
while((message = m_messageQueue.accept()) != NULL) {
qDebug("Message: %s", message->getIdentifier());
if(DSPPing::match(message)) {
message->completed(m_state);
} else if(DSPExit::match(message)) {
gotoIdle();
m_state = StNotStarted;
exit();
message->completed(m_state);
} else if(DSPAcquisitionStart::match(message)) {
m_state = gotoIdle();
if(m_state == StIdle)
m_state = gotoRunning();
message->completed(m_state);
} else if(DSPAcquisitionStop::match(message)) {
m_state = gotoIdle();
message->completed(m_state);
} else if(DSPGetDeviceDescription::match(message)) {
((DSPGetDeviceDescription*)message)->setDeviceDescription(m_deviceDescription);
message->completed();
} else if(DSPGetErrorMessage::match(message)) {
((DSPGetErrorMessage*)message)->setErrorMessage(m_errorMessage);
message->completed();
} else if(DSPSetSource::match(message)) {
handleSetSource(((DSPSetSource*)message)->getSampleSource());
message->completed();
} else if(DSPAddSink::match(message)) {
SampleSink* sink = ((DSPAddSink*)message)->getSampleSink();
if(m_state == StRunning) {
DSPSignalNotification* signal = DSPSignalNotification::create(m_sampleRate, 0, m_tunerFrequency);
signal->submit(&m_messageQueue, sink);
sink->start();
}
m_sampleSinks.push_back(sink);
message->completed();
} else if(DSPRemoveSink::match(message)) {
SampleSink* sink = ((DSPAddSink*)message)->getSampleSink();
if(m_state == StRunning)
sink->stop();
m_sampleSinks.remove(sink);
message->completed();
} else if(DSPAddAudioSource::match(message)) {
m_audioOutput.addFifo(((DSPAddAudioSource*)message)->getAudioFifo());
message->completed();
} else if(DSPRemoveAudioSource::match(message)) {
m_audioOutput.removeFifo(((DSPAddAudioSource*)message)->getAudioFifo());
message->completed();
} else if(DSPConfigureCorrection::match(message)) {
DSPConfigureCorrection* conf = (DSPConfigureCorrection*)message;
m_iqImbalanceCorrection = conf->getIQImbalanceCorrection();
if(m_dcOffsetCorrection != conf->getDCOffsetCorrection()) {
m_dcOffsetCorrection = conf->getDCOffsetCorrection();
m_iOffset = 0;
m_qOffset = 0;
}
if(m_iqImbalanceCorrection != conf->getIQImbalanceCorrection()) {
m_iqImbalanceCorrection = conf->getIQImbalanceCorrection();
m_iRange = 1 << 16;
m_qRange = 1 << 16;
m_imbalance = 65536;
}
message->completed();
} else {
if(!distributeMessage(message))
message->completed();
}
}
}
void DSPDeviceSinkEngine::handleSynchronousMessages()
{
Message *message = m_syncMessenger.getMessage();
qDebug() << "DSPDeviceSinkEngine::handleSynchronousMessages: " << message->getIdentifier();
if (DSPGenerationInit::match(*message))
{
m_state = gotoIdle();
if(m_state == StIdle) {
m_state = gotoInit(); // State goes ready if init is performed
}
}
else if (DSPGenerationStart::match(*message))
{
if(m_state == StReady) {
m_state = gotoRunning();
}
}
else if (DSPGenerationStop::match(*message))
{
m_state = gotoIdle();
}
else if (DSPGetSinkDeviceDescription::match(*message))
{
((DSPGetSinkDeviceDescription*) message)->setDeviceDescription(m_deviceDescription);
}
else if (DSPGetErrorMessage::match(*message))
{
((DSPGetErrorMessage*) message)->setErrorMessage(m_errorMessage);
}
else if (DSPSetSink::match(*message)) {
handleSetSink(((DSPSetSink*) message)->getSampleSink());
}
else if (DSPAddSpectrumSink::match(*message))
{
m_spectrumSink = ((DSPAddSpectrumSink*) message)->getSampleSink();
}
else if (DSPRemoveSpectrumSink::match(*message))
{
BasebandSampleSink* spectrumSink = ((DSPRemoveSpectrumSink*) message)->getSampleSink();
if(m_state == StRunning) {
spectrumSink->stop();
}
m_spectrumSink = 0;
}
else if (DSPAddBasebandSampleSource::match(*message))
{
BasebandSampleSource* source = ((DSPAddBasebandSampleSource*) message)->getSampleSource();
m_basebandSampleSources.push_back(source);
DSPSignalNotification notif(m_sampleRate, m_centerFrequency);
source->handleMessage(notif);
checkNumberOfBasebandSources();
if (m_state == StRunning)
{
source->start();
}
}
else if (DSPRemoveBasebandSampleSource::match(*message))
{
BasebandSampleSource* source = ((DSPRemoveBasebandSampleSource*) message)->getSampleSource();
if(m_state == StRunning) {
source->stop();
}
m_basebandSampleSources.remove(source);
checkNumberOfBasebandSources();
}
else if (DSPAddThreadedBasebandSampleSource::match(*message))
{
ThreadedBasebandSampleSource *threadedSource = ((DSPAddThreadedBasebandSampleSource*) message)->getThreadedSampleSource();
m_threadedBasebandSampleSources.push_back(threadedSource);
DSPSignalNotification notif(m_sampleRate, m_centerFrequency);
threadedSource->handleSourceMessage(notif);
checkNumberOfBasebandSources();
if (m_state == StRunning)
{
threadedSource->start();
}
}
else if (DSPRemoveThreadedBasebandSampleSource::match(*message))
{
ThreadedBasebandSampleSource* threadedSource = ((DSPRemoveThreadedBasebandSampleSource*) message)->getThreadedSampleSource();
if (m_state == StRunning) {
threadedSource->stop();
}
m_threadedBasebandSampleSources.remove(threadedSource);
checkNumberOfBasebandSources();
}
m_syncMessenger.done(m_state);
}
