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HackRF: 2 way Rx/Tx frequency synchronization

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This commit is contained in:
f4exb
2019-03-31 00:40:42 +01:00
parent 64b198e507
commit 9c5c726b97
6 changed files with 210 additions and 48 deletions
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plugins/samplesource/hackrfinput/hackrfinput.cpp
+35 -18
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@@ -139,7 +139,9 @@ bool HackRFInput::start()
return false;
}
if (m_running) stop();
if (m_running) {
stop();
}
m_hackRFThread = new HackRFInputThread(m_dev, &m_sampleFifo);
@@ -319,7 +321,20 @@ bool HackRFInput::handleMessage(const Message& message)
(DeviceSampleSource::fcPos_t) m_settings.m_fcPos,
m_settings.m_devSampleRate);
qDebug("HackRFInput::handleMessage: MsgSynchronizeFrequency: centerFrequency: %lld Hz", centerFrequency);
setCenterFrequency(centerFrequency);
HackRFInputSettings settings = m_settings;
settings.m_centerFrequency = centerFrequency;
if (m_guiMessageQueue)
{
MsgConfigureHackRF* messageToGUI = MsgConfigureHackRF::create(settings, false);
m_guiMessageQueue->push(messageToGUI);
}
m_settings.m_centerFrequency = settings.m_centerFrequency;
int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim);
DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
m_fileSink->handleMessage(*notif); // forward to file sink
m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
return true;
}
@@ -329,20 +344,19 @@ bool HackRFInput::handleMessage(const Message& message)
}
}
void HackRFInput::setDeviceCenterFrequency(quint64 freq_hz)
void HackRFInput::setDeviceCenterFrequency(quint64 freq_hz, qint32 LOppmTenths)
{
qint64 df = ((qint64)freq_hz * m_settings.m_LOppmTenths) / 10000000LL;
freq_hz += df;
if (!m_dev) {
return;
}
hackrf_error rc = (hackrf_error) hackrf_set_freq(m_dev, static_cast<uint64_t>(freq_hz));
qint64 df = ((qint64)freq_hz * LOppmTenths) / 10000000LL;
hackrf_error rc = (hackrf_error) hackrf_set_freq(m_dev, static_cast<uint64_t>(freq_hz + df));
if (rc != HACKRF_SUCCESS)
{
qWarning("HackRFInput::setDeviceCenterFrequency: could not frequency to %llu Hz", freq_hz);
}
else
{
qWarning("HackRFInput::setDeviceCenterFrequency: frequency set to %llu Hz", freq_hz);
if (rc != HACKRF_SUCCESS) {
qWarning("HackRFInput::setDeviceCenterFrequency: could not frequency to %llu Hz", freq_hz + df);
} else {
qDebug("HackRFInput::setDeviceCenterFrequency: frequency set to %llu Hz", freq_hz + df);
}
}
@@ -405,8 +419,7 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
}
}
if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)) // forward delta to buddy if necessary
{
if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)) {
reverseAPIKeys.append("centerFrequency");
}
@@ -429,10 +442,14 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
settings.m_log2Decim,
(DeviceSampleSource::fcPos_t) settings.m_fcPos,
settings.m_devSampleRate);
setDeviceCenterFrequency(deviceCenterFrequency, settings.m_LOppmTenths);
if (m_dev != 0) {
setDeviceCenterFrequency(deviceCenterFrequency);
}
if (m_deviceAPI->getSinkBuddies().size() > 0) // forward to buddy if necessary
{
DeviceSinkAPI *buddy = m_deviceAPI->getSinkBuddies()[0];
DeviceHackRFShared::MsgSynchronizeFrequency *freqMsg = DeviceHackRFShared::MsgSynchronizeFrequency::create(deviceCenterFrequency);
buddy->getSampleSinkInputMessageQueue()->push(freqMsg);
}
forwardChange = true;
}