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Code Issues Projects Releases Wiki Activity

HackRF: Rx/Tx opem/close new style

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This commit is contained in:
f4exb
2017-04-14 01:41:02 +02:00
parent ecdc99f59b
commit dea2764811
5 changed files with 112 additions and 132 deletions
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plugins/samplesink/hackrfoutput/hackrfoutput.cpp
+61 -77
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@@ -38,39 +38,29 @@ HackRFOutput::HackRFOutput(DeviceSinkAPI *deviceAPI) :
m_settings(),
m_dev(0),
m_hackRFThread(0),
m_deviceDescription("HackRFOutput")
m_deviceDescription("HackRFOutput"),
m_running(false)
{
openDevice();
m_deviceAPI->setBuddySharedPtr(&m_sharedParams);
}
HackRFOutput::~HackRFOutput()
{
if (m_dev != 0)
{
stop();
}
if (m_running) stop();
closeDevice();
m_deviceAPI->setBuddySharedPtr(0);
}
bool HackRFOutput::start(int device)
bool HackRFOutput::openDevice()
{
// QMutexLocker mutexLocker(&m_mutex);
if (m_dev != 0)
{
stop();
closeDevice();
}
// hackrf_error rc;
//
// rc = (hackrf_error) hackrf_init();
//
// if (rc != HACKRF_SUCCESS)
// {
// qCritical("HackRFInput::start: failed to initiate HackRF library %s", hackrf_error_name(rc));
// }
m_sampleSourceFifo.resize(m_settings.m_devSampleRate/(1<<(m_settings.m_log2Interp <= 4 ? m_settings.m_log2Interp : 4)));
int device = m_deviceAPI->getSampleSinkSequence();
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
@@ -79,40 +69,47 @@ bool HackRFOutput::start(int device)
if (buddySharedParams == 0)
{
qCritical("HackRFOutput::start: could not get shared parameters from buddy");
qCritical("HackRFOutput::openDevice: could not get shared parameters from buddy");
return false;
}
if (buddy->getDeviceSourceEngine()->state() == DSPDeviceSourceEngine::StRunning) // Rx side is running so it must have device ownership
if ((m_dev = buddySharedParams->m_dev) == 0) // device is not opened by buddy
{
if ((m_dev = buddySharedParams->m_dev) == 0) // get device handle from Rx but do not take ownership
{
qCritical("HackRFOutput::start: could not get HackRF handle from buddy");
return false;
}
qCritical("HackRFOutput::openDevice: could not get HackRF handle from buddy");
return false;
}
else // Rx is not running so Tx opens device and takes ownership
{
if ((m_dev = DeviceHackRF::open_hackrf(device)) == 0)
{
qCritical("HackRFOutput::start: could not open HackRF #%d", device);
return false;
}
m_sharedParams.m_dev = m_dev;
}
m_sharedParams = *(buddySharedParams); // copy parameters from buddy
m_sharedParams.m_dev = m_dev;
}
else // No Rx part open so Tx opens device and takes ownership
else
{
if (hackrf_init() != HACKRF_SUCCESS) // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
{
qCritical("HackRFInput::openDevice: could not init HackRF");
return false;
}
if ((m_dev = DeviceHackRF::open_hackrf(device)) == 0)
{
qCritical("HackRFOutput::start: could not open HackRF #%d", device);
qCritical("HackRFOutput::openDevice: could not open HackRF #%d", device);
return false;
}
m_sharedParams.m_dev = m_dev;
}
return true;
}
bool HackRFOutput::start(int device)
{
if (!m_dev) {
return false;
}
if (m_running) stop();
if((m_hackRFThread = new HackRFOutputThread(m_dev, &m_sampleSourceFifo)) == 0)
{
qFatal("HackRFOutput::start: out of memory");
@@ -123,14 +120,34 @@ bool HackRFOutput::start(int device)
// mutexLocker.unlock();
applySettings(m_settings, true);
m_hackRFThread->setSamplerate(m_settings.m_devSampleRate);
m_hackRFThread->setLog2Interpolation(m_settings.m_log2Interp);
m_hackRFThread->startWork();
qDebug("HackRFOutput::start: started");
m_running = true;
return true;
}
void HackRFOutput::closeDevice()
{
if (m_deviceAPI->getSourceBuddies().size() == 0)
{
qDebug("HackRFOutput::closeDevice: closing device since Rx side is not open");
if(m_dev != 0) // close HackRF
{
hackrf_close(m_dev);
hackrf_exit(); // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
}
}
m_sharedParams.m_dev = 0;
m_dev = 0;
}
void HackRFOutput::stop()
{
qDebug("HackRFOutput::stop");
@@ -143,43 +160,7 @@ void HackRFOutput::stop()
m_hackRFThread = 0;
}
if (m_dev != 0)
{
hackrf_stop_tx(m_dev);
}
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
DeviceSourceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
DeviceHackRFParams *buddySharedParams = (DeviceHackRFParams *) buddy->getBuddySharedPtr();
if (buddy->getDeviceSourceEngine()->state() == DSPDeviceSourceEngine::StRunning) // Rx side running
{
if ((m_sharedParams.m_dev != 0) && (buddySharedParams->m_dev == 0)) // Tx has the ownership but not the Rx
{
buddySharedParams->m_dev = m_dev; // transfer ownership
}
}
else // Rx is not running so Tx must have the ownership
{
if(m_dev != 0) // close HackRF
{
hackrf_close(m_dev);
hackrf_exit(); // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
}
}
}
else // No Rx part open
{
if(m_dev != 0) // close HackRF
{
hackrf_close(m_dev);
hackrf_exit(); // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
}
}
m_sharedParams.m_dev = 0;
m_dev = 0;
m_running = false;
}
const QString& HackRFOutput::getDeviceDescription() const
@@ -270,16 +251,19 @@ bool HackRFOutput::applySettings(const HackRFOutputSettings& settings, bool forc
}
else
{
qDebug("HackRFOutput::applySettings: sample rate set to %llu S/s",
settings.m_devSampleRate);
m_hackRFThread->setSamplerate(settings.m_devSampleRate);
if (m_hackRFThread != 0)
{
qDebug("HackRFOutput::applySettings: sample rate set to %llu S/s",
settings.m_devSampleRate);
m_hackRFThread->setSamplerate(settings.m_devSampleRate);
}
}
}
}
if ((m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
if(m_hackRFThread != 0)
if (m_hackRFThread != 0)
{
m_hackRFThread->setLog2Interpolation(settings.m_log2Interp);
qDebug() << "HackRFOutput: set interpolation to " << (1<<settings.m_log2Interp);