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HackRF: allow different frequencies for Tx and Rx and synchronize sample rates. Fixes #2513

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This commit is contained in:
f4exb
2026-01-04 03:42:25 +01:00
parent 71fc02f0f8
commit 4be9883524
6 changed files with 77 additions and 80 deletions
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plugins/samplesource/hackrfinput/hackrfinput.cpp
+18 -29
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@@ -152,9 +152,6 @@ bool HackRFInput::start()
return false;
}
// applySettings needs to called before thread is started,
// otherwise HackRF will not start correctly
applySettings(m_settings, QList<QString>(), true);
m_hackRFThread = new HackRFInputThread(m_dev, &m_sampleFifo);
@@ -164,6 +161,7 @@ bool HackRFInput::start()
m_hackRFThread->setIQOrder(m_settings.m_iqOrder);
m_hackRFThread->startWork();
m_running = true;
applySettings(m_settings, QList<QString>(), true);
mutexLocker.unlock();
@@ -301,32 +299,23 @@ bool HackRFInput::handleMessage(const Message& message)
return true;
}
else if (DeviceHackRFShared::MsgSynchronizeFrequency::match(message))
else if (DeviceHackRFShared::MsgSynchronizeSampleRate::match(message))
{
DeviceHackRFShared::MsgSynchronizeFrequency& freqMsg = (DeviceHackRFShared::MsgSynchronizeFrequency&) message;
qint64 centerFrequency = DeviceSampleSource::calculateCenterFrequency(
freqMsg.getFrequency(),
0,
m_settings.m_log2Decim,
(DeviceSampleSource::fcPos_t) m_settings.m_fcPos,
m_settings.m_devSampleRate,
DeviceSampleSource::FSHIFT_TXSYNC);
qDebug("HackRFInput::handleMessage: MsgSynchronizeFrequency: centerFrequency: %lld Hz", centerFrequency);
DeviceHackRFShared::MsgSynchronizeSampleRate& cmd = (DeviceHackRFShared::MsgSynchronizeSampleRate&) message;
qDebug() << "HackRFInput::handleMessage: MsgSynchronizeSampleRate: " << cmd.getDeviceSampleRate();
HackRFInputSettings settings = m_settings;
settings.m_centerFrequency = centerFrequency;
settings.m_devSampleRate = cmd.getDeviceSampleRate();
MsgConfigureHackRF* message = MsgConfigureHackRF::create(settings, QList<QString>{"devSampleRate"}, false);
m_inputMessageQueue.push(message);
if (m_guiMessageQueue)
{
QList<QString> settingsKeys({"log2Decim", "fcPos", "devSampleRate", "centerFrequency"});
MsgConfigureHackRF* messageToGUI = MsgConfigureHackRF::create(settings, settingsKeys, false);
MsgConfigureHackRF* messageToGUI = MsgConfigureHackRF::create(settings, QList<QString>{"devSampleRate"}, 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_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
return true;
}
else
@@ -388,6 +377,13 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, const QList
}
}
}
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
DeviceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
DeviceHackRFShared::MsgSynchronizeSampleRate *sampleRateMsg = DeviceHackRFShared::MsgSynchronizeSampleRate::create(settings.m_devSampleRate);
buddy->getSamplingDeviceInputMessageQueue()->push(sampleRateMsg);
}
}
if (settingsKeys.contains("log2Decim") || force)
@@ -522,7 +518,7 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, const QList
m_deviceAPI->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqCorrection);
}
if (setFrequency)
if (m_running && setFrequency)
{
qint64 deviceCenterFrequency = DeviceSampleSource::calculateDeviceCenterFrequency(
m_settings.m_centerFrequency,
@@ -535,13 +531,6 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, const QList
qDebug() << "HackRFInput::applySettings deviceCenterFrequency:" << deviceCenterFrequency;
setDeviceCenterFrequency(deviceCenterFrequency, m_settings.m_LOppmTenths);
if (m_deviceAPI->getSinkBuddies().size() > 0) // forward to buddy if necessary
{
DeviceAPI *buddy = m_deviceAPI->getSinkBuddies()[0];
DeviceHackRFShared::MsgSynchronizeFrequency *freqMsg = DeviceHackRFShared::MsgSynchronizeFrequency::create(deviceCenterFrequency);
buddy->getSamplingDeviceInputMessageQueue()->push(freqMsg);
}
forwardChange = true;
}