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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/samplesource/hackrfinput/hackrfinput.cpp
+16 -45
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@@ -78,27 +78,23 @@ bool HackRFInput::openDevice()
return false;
}
if (buddy->getDeviceSinkEngine()->state() == DSPDeviceSinkEngine::StRunning) // Tx side is running so it must have device ownership
if (buddySharedParams->m_dev == 0) // device is not opened by buddy
{
if ((m_dev = buddySharedParams->m_dev) == 0) // get device handle from Tx but do not take ownership
{
qCritical("HackRFInput::openDevice: could not get HackRF handle from buddy");
return false;
}
qCritical("HackRFInput::openDevice: could not get HackRF handle from buddy");
return false;
}
else // Tx is not running so Rx opens device and takes ownership
{
if ((m_dev = DeviceHackRF::open_hackrf(device)) == 0)
{
qCritical("HackRFInput::openDevice: could not open HackRF #%d", device);
return false;
}
m_sharedParams.m_dev = m_dev;
}
m_sharedParams = *(buddySharedParams); // copy parameters from buddy
m_dev = m_sharedParams.m_dev; // get HackRF handle
}
else // No Tx part open so Rx 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("HackRFInput::openDevice: could not open HackRF #%d", device);
@@ -114,9 +110,8 @@ bool HackRFInput::openDevice()
bool HackRFInput::start(int device)
{
// QMutexLocker mutexLocker(&m_mutex);
if (m_dev != 0)
{
stop();
if (!m_dev) {
return false;
}
if (m_running) stop();
@@ -146,34 +141,10 @@ bool HackRFInput::start(int device)
void HackRFInput::closeDevice()
{
if(m_dev != 0)
if (m_deviceAPI->getSinkBuddies().size() == 0)
{
hackrf_stop_rx(m_dev);
}
qDebug("HackRFInput::closeDevice: closing device since Tx side is not open");
if (m_deviceAPI->getSinkBuddies().size() > 0)
{
DeviceSinkAPI *buddy = m_deviceAPI->getSinkBuddies()[0];
DeviceHackRFParams *buddySharedParams = (DeviceHackRFParams *) buddy->getBuddySharedPtr();
if (buddy->getDeviceSinkEngine()->state() == DSPDeviceSinkEngine::StRunning) // Tx side running
{
if ((m_sharedParams.m_dev != 0) && (buddySharedParams->m_dev == 0)) // Rx has the ownership but not the Tx
{
buddySharedParams->m_dev = m_dev; // transfer ownership
}
}
else // Tx is not running so Rx must have the ownership
{
if(m_dev != 0) // close BladeRF
{
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 Tx part open
{
if(m_dev != 0) // close BladeRF
{
hackrf_close(m_dev);