Exemplo n.º 1
0
void DSPEngine::generateReport()
{
	unsigned int sampleRate;
	quint64 tunerFrequency;

	if(m_sampleSource != NULL) {
		sampleRate = m_sampleSource->getSampleRate();
		tunerFrequency = m_sampleSource->getCenterFrequency();
	} else {
		sampleRate = 100000;
		tunerFrequency = 100000000;
	}

	if((sampleRate != m_sampleRate) || (tunerFrequency != m_tunerFrequency)) {
		m_sampleRate = sampleRate;
		m_tunerFrequency = tunerFrequency;
		for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++) {
			DSPSignalNotification* signal = DSPSignalNotification::create(m_sampleRate, 0, tunerFrequency);
			signal->submit(&m_messageQueue, *it);
		}

		Message* rep = DSPEngineReport::create(m_sampleRate, m_tunerFrequency);
		rep->submit(m_reportQueue);
	}
}
Exemplo n.º 2
0
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();
		}
	}
}