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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* OpenNI is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnOS.h>
//---------------------------------------------------------------------------
// Global Variables
//---------------------------------------------------------------------------
XnOSTimer g_xnOSHighResGlobalTimer;
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_C_API XnStatus xnOSGetEpochTime(XnUInt32* nEpochTime)
{
XN_IMPLEMENT_OS;
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSGetTimeStamp(XnUInt64* nTimeStamp)
{
XN_VALIDATE_OUTPUT_PTR(nTimeStamp);
return xnOSQueryTimer(g_xnOSHighResGlobalTimer, nTimeStamp);
}
XN_C_API XnStatus xnOSGetHighResTimeStamp(XnUInt64* nTimeStamp)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = xnOSGetTimeStamp(nTimeStamp);
XN_IS_STATUS_OK(nRetVal);
*nTimeStamp *= 1000;
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSSleep(XnUInt32 nMilliseconds)
{
XnStatus nRetVal = XN_STATUS_OK;
// no OS, so just cycle this time passed
XnUInt64 nTill;
nRetVal = xnOSGetTimeStamp(&nTill);
XN_IS_STATUS_OK(nRetVal);
nTill += nMilliseconds;
XnUInt64 nNow;
do
{
nRetVal = xnOSGetTimeStamp(&nNow);
XN_IS_STATUS_OK(nRetVal);
} while (nNow < nTill);
// All is good...
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSStartTimer(XnOSTimer* pTimer)
{
XN_VALIDATE_INPUT_PTR(pTimer);
pTimer->nStartTick = clock();
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSStartHighResTimer(XnOSTimer* pTimer)
{
return xnOSStartTimer(pTimer);
}
XN_C_API XnStatus xnOSQueryTimer(XnOSTimer Timer, XnUInt64* pnTimeSinceStart)
{
*pnTimeSinceStart = (clock() - Timer.nStartTick) * 1000 / CLOCKS_PER_SEC;
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSStopTimer(XnOSTimer* pTimer)
{
return (XN_STATUS_OK);
}
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