C++ (Cpp) XN_PREPARE_VAR_FLOAT_IN_BUFFERの例

コード例 #1

ファイル: XnSensor.cpp プロジェクト: 02031991/Sensor

XnStatus XnSensor::InitReading()
{
	XnStatus nRetVal = XN_STATUS_OK;

	// open data endpoints
	nRetVal = m_SensorIO.OpenDataEndPoints((XnSensorUsbInterface)m_Interface.GetValue(), *m_Firmware.GetInfo());
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = m_Interface.UnsafeUpdateValue(m_SensorIO.GetCurrentInterface());
	XN_IS_STATUS_OK(nRetVal);

	// take frequency information
	XnFrequencyInformation FrequencyInformation;

	nRetVal = XnHostProtocolAlgorithmParams(&m_DevicePrivateData, XN_HOST_PROTOCOL_ALGORITHM_FREQUENCY, &FrequencyInformation, sizeof(XnFrequencyInformation), (XnResolutions)0, 0);
	if (nRetVal != XN_STATUS_OK)
		return nRetVal;

	m_DevicePrivateData.fDeviceFrequency = XN_PREPARE_VAR_FLOAT_IN_BUFFER(FrequencyInformation.fDeviceFrequency);

	// Init Dumps
	m_DevicePrivateData.BandwidthDump = xnDumpFileOpen(XN_DUMP_BANDWIDTH, "Bandwidth.csv");
	xnDumpFileWriteString(m_DevicePrivateData.BandwidthDump, "Timestamp,Frame Type,Frame ID,Size\n");
	m_DevicePrivateData.TimestampsDump = xnDumpFileOpen(XN_DUMP_TIMESTAMPS, "Timestamps.csv");
	xnDumpFileWriteString(m_DevicePrivateData.TimestampsDump, "Host Time (us),Stream,Device TS,Time (ms),Comments\n");
	m_DevicePrivateData.MiniPacketsDump = xnDumpFileOpen(XN_DUMP_MINI_PACKETS, "MiniPackets.csv");
	xnDumpFileWriteString(m_DevicePrivateData.MiniPacketsDump, "HostTS,Type,ID,Size,Timestamp\n");

	m_DevicePrivateData.nGlobalReferenceTS = 0;
	nRetVal = xnOSCreateCriticalSection(&m_DevicePrivateData.hEndPointsCS);
	XN_IS_STATUS_OK(nRetVal);

	// NOTE: when we go up, some streams might be open, and so we'll receive lots of garbage.
	// wait till streams are turned off, and then start reading.
//	pDevicePrivateData->bIgnoreDataPackets = TRUE;

	// open input threads
	nRetVal = XnDeviceSensorOpenInputThreads(GetDevicePrivateData(), (XnBool)m_ReadFromEP1.GetValue(), (XnBool)m_ReadFromEP2.GetValue(), (XnBool)m_ReadFromEP3.GetValue());
	XN_IS_STATUS_OK(nRetVal);


	return XN_STATUS_OK;
}

コード例 #2

ファイル: XnSensorStreamHelper.cpp プロジェクト: RikeshThapa/VirtueX

XnStatus XnSensorStreamHelper::Open()
{
	XnStatus nRetVal = XN_STATUS_OK;

	// configure the stream
	nRetVal = Configure();
	XN_IS_STATUS_OK(nRetVal);

	// Update frequency (it might change on specific stream configuration)
	XnFrequencyInformation FrequencyInformation;
	nRetVal = XnHostProtocolAlgorithmParams(m_pObjects->pDevicePrivateData, XN_HOST_PROTOCOL_ALGORITHM_FREQUENCY, &FrequencyInformation, sizeof(XnFrequencyInformation), (XnResolutions)0, 0);
	XN_IS_STATUS_OK(nRetVal);

	m_pObjects->pDevicePrivateData->fDeviceFrequency = XN_PREPARE_VAR_FLOAT_IN_BUFFER(FrequencyInformation.fDeviceFrequency);

	// and now turn it on
	nRetVal = FinalOpen();
	XN_IS_STATUS_OK(nRetVal);

	return (XN_STATUS_OK);
}