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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/samplesource/hackrfinput/hackrfinput.cpp
+8 -8
View File
@@ -329,12 +329,15 @@ bool HackRFInput::handleMessage(const Message& message)
}
}
void HackRFInput::setDeviceCenterFrequency(quint64 freq_hz)
void HackRFInput::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) {
@@ -421,13 +424,9 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)) {
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");
}
@@ -443,7 +442,8 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
(m_settings.m_log2Decim != settings.m_log2Decim) ||
(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 = DeviceSampleSource::calculateDeviceCenterFrequency(
settings.m_centerFrequency,
@@ -453,7 +453,7 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
settings.m_devSampleRate,
DeviceSampleSource::FrequencyShiftScheme::FSHIFT_TXSYNC,
settings.m_transverterMode);
setDeviceCenterFrequency(deviceCenterFrequency);
setDeviceCenterFrequency(deviceCenterFrequency, settings.m_LOppmTenths);
if (m_deviceAPI->getSinkBuddies().size() > 0) // forward to buddy if necessary
{
plugins/samplesource/hackrfinput/hackrfinput.h
+1 -1
View File
@@ -159,7 +159,7 @@ private:
bool openDevice();
void closeDevice();
bool applySettings(const HackRFInputSettings& settings, bool force);
void setDeviceCenterFrequency(quint64 freq);
void setDeviceCenterFrequency(quint64 freq, int loPpmTenths);
void webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, const HackRFInputSettings& settings, bool force);
void webapiReverseSendStartStop(bool start);