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Add master clock rate display to GUI.

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Calculate full range of sample rates supported, by varying master clock.
Check if requested sample rate can be met.
This commit is contained in:
Jon Beniston
2020-10-26 14:39:12 +00:00
parent 636c014427
commit 2400c4643c
14 changed files with 198 additions and 85 deletions
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plugins/samplesource/usrpinput/usrpinput.cpp
+34 -19
View File
@@ -202,7 +202,7 @@ bool USRPInput::openDevice()
m_deviceShared.m_deviceParams = new DeviceUSRPParams();
char serial[256];
strcpy(serial, qPrintable(m_deviceAPI->getSamplingDeviceSerial()));
m_deviceShared.m_deviceParams->open(serial);
m_deviceShared.m_deviceParams->open(serial, false);
m_deviceShared.m_channel = requestedChannel; // acknowledge the requested channel
}
@@ -548,20 +548,17 @@ bool USRPInput::handleMessage(const Message& message)
if (report.getRxElseTx())
{
// Rx buddy changed settings, we need to copy
m_settings.m_devSampleRate = report.getDevSampleRate();
m_settings.m_centerFrequency = report.getCenterFrequency();
m_settings.m_loOffset = report.getLOOffset();
}
else if (m_running)
{
double host_Hz;
host_Hz = m_deviceShared.m_deviceParams->getDevice()->get_rx_rate(m_deviceShared.m_channel);
m_settings.m_devSampleRate = roundf(host_Hz);
qDebug() << "USRPInput::handleMessage: MsgReportBuddyChange:"
<< " m_devSampleRate: " << m_settings.m_devSampleRate;
}
// Master clock rate is common between all buddies
int masterClockRate = report.getMasterClockRate();
if (masterClockRate > 0)
m_settings.m_masterClockRate = masterClockRate;
qDebug() << "USRPInput::handleMessage MsgReportBuddyChange";
qDebug() << "m_masterClockRate " << m_settings.m_masterClockRate;
DSPSignalNotification *notif = new DSPSignalNotification(
m_settings.m_devSampleRate/(1<<m_settings.m_log2SoftDecim),
@@ -571,7 +568,7 @@ bool USRPInput::handleMessage(const Message& message)
if (getMessageQueueToGUI())
{
DeviceUSRPShared::MsgReportBuddyChange *reportToGUI = DeviceUSRPShared::MsgReportBuddyChange::create(
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, true);
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, m_settings.m_masterClockRate, true);
getMessageQueueToGUI()->push(reportToGUI);
}
@@ -656,6 +653,7 @@ bool USRPInput::applySettings(const USRPInputSettings& settings, bool preGetStre
bool forwardClockSource = false;
bool ownThreadWasRunning = false;
bool reapplySomeSettings = false;
bool checkRates = false;
QList<QString> reverseAPIKeys;
try
@@ -704,10 +702,8 @@ bool USRPInput::applySettings(const USRPInputSettings& settings, bool preGetStre
if (m_deviceShared.m_deviceParams->getDevice() && (m_channelAcquired || preGetStream))
{
m_deviceShared.m_deviceParams->getDevice()->set_rx_rate(settings.m_devSampleRate, m_deviceShared.m_channel);
double actualSampleRate = m_deviceShared.m_deviceParams->getDevice()->get_rx_rate(m_deviceShared.m_channel);
qDebug("USRPInput::applySettings: set sample rate set to %d - actual rate %f", settings.m_devSampleRate,
actualSampleRate);
m_deviceShared.m_deviceParams->m_sampleRate = m_settings.m_devSampleRate;
qDebug("USRPInput::applySettings: set sample rate set to %d", settings.m_devSampleRate);
checkRates = true;
reapplySomeSettings = true;
}
}
@@ -845,6 +841,17 @@ bool USRPInput::applySettings(const USRPInputSettings& settings, bool preGetStre
m_settings = settings;
if (checkRates)
{
// Check if requested rate could actually be met and what master clock rate we ended up with
double actualSampleRate = m_deviceShared.m_deviceParams->getDevice()->get_rx_rate(m_deviceShared.m_channel);
qDebug("USRPInput::applySettings: actual sample rate %f", actualSampleRate);
double masterClockRate = m_deviceShared.m_deviceParams->getDevice()->get_master_clock_rate();
qDebug("USRPInput::applySettings: master_clock_rate %f", masterClockRate);
m_settings.m_devSampleRate = actualSampleRate;
m_settings.m_masterClockRate = masterClockRate;
}
// forward changes to buddies or oneself
if (forwardChangeAllDSP)
@@ -864,7 +871,7 @@ bool USRPInput::applySettings(const USRPInputSettings& settings, bool preGetStre
for (; itSource != sourceBuddies.end(); ++itSource)
{
DeviceUSRPShared::MsgReportBuddyChange *report = DeviceUSRPShared::MsgReportBuddyChange::create(
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, true);
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, m_settings.m_masterClockRate, true);
(*itSource)->getSamplingDeviceInputMessageQueue()->push(report);
}
@@ -875,9 +882,17 @@ bool USRPInput::applySettings(const USRPInputSettings& settings, bool preGetStre
for (; itSink != sinkBuddies.end(); ++itSink)
{
DeviceUSRPShared::MsgReportBuddyChange *report = DeviceUSRPShared::MsgReportBuddyChange::create(
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, true);
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, m_settings.m_masterClockRate, true);
(*itSink)->getSamplingDeviceInputMessageQueue()->push(report);
}
// send to GUI so it can see master clock rate and if actual rate differs
if (m_deviceAPI->getSamplingDeviceGUIMessageQueue())
{
DeviceUSRPShared::MsgReportBuddyChange *report = DeviceUSRPShared::MsgReportBuddyChange::create(
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, m_settings.m_masterClockRate, true);
m_deviceAPI->getSamplingDeviceGUIMessageQueue()->push(report);
}
}
else if (forwardChangeRxDSP)
{
@@ -896,7 +911,7 @@ bool USRPInput::applySettings(const USRPInputSettings& settings, bool preGetStre
for (; itSource != sourceBuddies.end(); ++itSource)
{
DeviceUSRPShared::MsgReportBuddyChange *report = DeviceUSRPShared::MsgReportBuddyChange::create(
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, true);
m_settings.m_devSampleRate, m_settings.m_centerFrequency, m_settings.m_loOffset, m_settings.m_masterClockRate, true);
(*itSource)->getSamplingDeviceInputMessageQueue()->push(report);
}
}