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HackRF input: refactoring: device open close moved in the constructor and destructor respectively of the input object

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This commit is contained in:
f4exb 2017-04-14 00:14:40 +02:00
parent afaf3428f5
commit ecdc99f59b
2 changed files with 61 additions and 51 deletions
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95
plugins/samplesource/hackrfinput/hackrfinput.cpp
View File

@ -38,44 +38,34 @@ HackRFInput::HackRFInput(DeviceSourceAPI *deviceAPI) :
m_settings(),
m_dev(0),
m_hackRFThread(0),
m_deviceDescription("HackRF")
m_deviceDescription("HackRF"),
m_running(false)
{
openDevice();
m_deviceAPI->setBuddySharedPtr(&m_sharedParams);
}
HackRFInput::~HackRFInput()
{
if (m_dev != 0)
{
stop();
}
if (m_running) stop();
closeDevice();
m_deviceAPI->setBuddySharedPtr(0);
}
bool HackRFInput::start(int device)
bool HackRFInput::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));
// }
if (!m_sampleFifo.setSize(1<<19))
{
qCritical("HackRFInput::start: could not allocate SampleFifo");
return false;
}
int device = m_deviceAPI->getSampleSourceSequence();
if (m_deviceAPI->getSinkBuddies().size() > 0)
{
@ -84,7 +74,7 @@ bool HackRFInput::start(int device)
if (buddySharedParams == 0)
{
qCritical("HackRFInput::start: could not get shared parameters from buddy");
qCritical("HackRFInput::openDevice: could not get shared parameters from buddy");
return false;
}
@ -92,7 +82,7 @@ bool HackRFInput::start(int device)
{
if ((m_dev = buddySharedParams->m_dev) == 0) // get device handle from Tx but do not take ownership
{
qCritical("HackRFInput::start: could not get HackRF handle from buddy");
qCritical("HackRFInput::openDevice: could not get HackRF handle from buddy");
return false;
}
}
@ -100,7 +90,7 @@ bool HackRFInput::start(int device)
{
if ((m_dev = DeviceHackRF::open_hackrf(device)) == 0)
{
qCritical("HackRFInput::start: could not open HackRF #%d", device);
qCritical("HackRFInput::openDevice: could not open HackRF #%d", device);
return false;
}
@ -111,14 +101,27 @@ bool HackRFInput::start(int device)
{
if ((m_dev = DeviceHackRF::open_hackrf(device)) == 0)
{
qCritical("HackRFInput::start: could not open HackRF #%d", device);
qCritical("HackRFInput::openDevice: could not open HackRF #%d", device);
return false;
}
m_sharedParams.m_dev = m_dev;
}
if((m_hackRFThread = new HackRFInputThread(m_dev, &m_sampleFifo)) == 0)
return true;
}
bool HackRFInput::start(int device)
{
// QMutexLocker mutexLocker(&m_mutex);
if (m_dev != 0)
{
stop();
}
if (m_running) stop();
if ((m_hackRFThread = new HackRFInputThread(m_dev, &m_sampleFifo)) == 0)
{
qFatal("HackRFInput::start: out of memory");
stop();
@ -129,25 +132,20 @@ bool HackRFInput::start(int device)
applySettings(m_settings, true);
m_hackRFThread->setSamplerate(m_settings.m_devSampleRate);
m_hackRFThread->setLog2Decimation(m_settings.m_log2Decim);
m_hackRFThread->setFcPos((int) m_settings.m_fcPos);
m_hackRFThread->startWork();
qDebug("HackRFInput::startInput: started");
m_running = true;
return true;
}
void HackRFInput::stop()
void HackRFInput::closeDevice()
{
qDebug("HackRFInput::stop");
// QMutexLocker mutexLocker(&m_mutex);
if(m_hackRFThread != 0)
{
m_hackRFThread->stopWork();
delete m_hackRFThread;
m_hackRFThread = 0;
}
if(m_dev != 0)
{
hackrf_stop_rx(m_dev);
@ -185,15 +183,21 @@ void HackRFInput::stop()
m_sharedParams.m_dev = 0;
m_dev = 0;
}
// if(m_dev != 0)
// {
// hackrf_stop_rx(m_dev);
// hackrf_close(m_dev);
// m_dev = 0;
// }
//
// hackrf_exit();
void HackRFInput::stop()
{
qDebug("HackRFInput::stop");
// QMutexLocker mutexLocker(&m_mutex);
if (m_hackRFThread != 0)
{
m_hackRFThread->stopWork();
delete m_hackRFThread;
m_hackRFThread = 0;
}
m_running = false;
}
const QString& HackRFInput::getDeviceDescription() const
@ -285,19 +289,22 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
qCritical("HackRFInput::applySettings: could not set sample rate TO %llu S/s: %s", m_settings.m_devSampleRate, hackrf_error_name(rc));
}
else
{
if (m_hackRFThread != 0)
{
qDebug("HackRFInput::applySettings: sample rate set to %llu S/s", m_settings.m_devSampleRate);
m_hackRFThread->setSamplerate(m_settings.m_devSampleRate);
}
}
}
}
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
{
m_settings.m_log2Decim = settings.m_log2Decim;
forwardChange = true;
if(m_dev != 0)
if (m_hackRFThread != 0)
{
m_hackRFThread->setLog2Decimation(m_settings.m_log2Decim);
qDebug() << "HackRFInput: set decimation to " << (1<<m_settings.m_log2Decim);
@ -352,7 +359,7 @@ bool HackRFInput::applySettings(const HackRFInputSettings& settings, bool force)
{
m_settings.m_fcPos = settings.m_fcPos;
if(m_dev != 0)
if (m_hackRFThread != 0)
{
m_hackRFThread->setFcPos((int) m_settings.m_fcPos);
qDebug() << "HackRFInput: set fc pos (enum) to " << (int) m_settings.m_fcPos;

3
plugins/samplesource/hackrfinput/hackrfinput.h
View File

@ -81,6 +81,8 @@ public:
virtual bool handleMessage(const Message& message);
private:
bool openDevice();
void closeDevice();
bool applySettings(const HackRFInputSettings& settings, bool force);
// hackrf_device *open_hackrf_from_sequence(int sequence);
void setCenterFrequency(quint64 freq);
@ -92,6 +94,7 @@ private:
HackRFInputThread* m_hackRFThread;
QString m_deviceDescription;
DeviceHackRFParams m_sharedParams;
bool m_running;
};
#endif // INCLUDE_HACKRFINPUT_H