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HackRF: use software LO ppm correction since hardware correction does not work. Fixes #1443

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This commit is contained in:
f4exb
2022-09-26 22:26:28 +02:00
parent c099a47327
commit 7a87155086
4 changed files with 18 additions and 16 deletions
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plugins/samplesink/hackrfoutput/hackrfoutput.cpp
+8 -6
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@@ -316,12 +316,15 @@ bool HackRFOutput::handleMessage(const Message& message)
}
}
void HackRFOutput::setDeviceCenterFrequency(quint64 freq_hz)
void HackRFOutput::setDeviceCenterFrequency(quint64 freq_hz, int loPpmTenths)
{
if (!m_dev) {
return;
}
qint64 df = ((qint64)freq_hz * loPpmTenths) / 10000000LL;
freq_hz += df;
hackrf_error rc = (hackrf_error) hackrf_set_freq(m_dev, static_cast<uint64_t>(freq_hz));
if (rc != HACKRF_SUCCESS) {
@@ -422,10 +425,8 @@ bool HackRFOutput::applySettings(const HackRFOutputSettings& settings, bool forc
if ((m_settings.m_centerFrequency != settings.m_centerFrequency) || force) {
reverseAPIKeys.append("centerFrequency");
}
if ((m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force)
{
if ((m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force) {
reverseAPIKeys.append("LOppmTenths");
DeviceHackRF::setDevicePPMCorrection(m_dev, settings.m_LOppmTenths);
}
if ((m_settings.m_fcPos != settings.m_fcPos) || force) {
reverseAPIKeys.append("fcPos");
@@ -442,7 +443,8 @@ bool HackRFOutput::applySettings(const HackRFOutputSettings& settings, bool forc
(m_settings.m_log2Interp != settings.m_log2Interp) ||
(m_settings.m_fcPos != settings.m_fcPos) ||
(m_settings.m_transverterMode != settings.m_transverterMode) ||
(m_settings.m_transverterDeltaFrequency != settings.m_transverterDeltaFrequency) || force)
(m_settings.m_transverterDeltaFrequency != settings.m_transverterDeltaFrequency) ||
(m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force)
{
qint64 deviceCenterFrequency = DeviceSampleSink::calculateDeviceCenterFrequency(
settings.m_centerFrequency,
@@ -451,7 +453,7 @@ bool HackRFOutput::applySettings(const HackRFOutputSettings& settings, bool forc
(DeviceSampleSink::fcPos_t) settings.m_fcPos,
settings.m_devSampleRate,
settings.m_transverterMode);
setDeviceCenterFrequency(deviceCenterFrequency);
setDeviceCenterFrequency(deviceCenterFrequency, settings.m_LOppmTenths);
if (m_deviceAPI->getSourceBuddies().size() > 0)
{