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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#undef XN_CROSS_PLATFORM
#include <XnOS.h>
#include <XnCore/XnCoreGlobals.h>
//---------------------------------------------------------------------------
// Global Variables
//---------------------------------------------------------------------------
XnOSTimer g_XnOSHighResGlobalTimer;
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_CORE_API XnStatus XnOSGetEpochTime(XN_UINT32* nEpochTime)
{
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_OUTPUT_PTR(nEpochTime);
*nEpochTime = sys_time_get_system_time() / 1000000;
return XN_STATUS_OK;
}
XN_CORE_API XnStatus XnOSGetTimeStamp(XN_UINT64* nTimeStamp)
{
// Local function variables
XnStatus nRetVal = XN_STATUS_OK;
// Get the high resolution global timer value
nRetVal = XnOSGetHighResTimeStamp(nTimeStamp);
XN_IS_STATUS_OK(nRetVal);
// Convert from microseconds to milliseconds
*nTimeStamp /= 1000;
// All is good...
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSGetHighResTimeStamp(XN_UINT64* nTimeStamp)
{
// Local function variables
XnStatus nRetVal = XN_STATUS_OK;
// Check if the core subsystem is initialized
XN_VALIDATE_CORE_INIT();
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_OUTPUT_PTR(nTimeStamp);
// Get the high resolution global timer value
nRetVal = XnOSQueryTimer(g_XnOSHighResGlobalTimer, nTimeStamp);
XN_IS_STATUS_OK(nRetVal);
// All is good...
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSSleep(XN_UINT32 nMilliseconds)
{
sys_timer_usleep(nMilliseconds*1000);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSStartTimer(XnOSTimer* pTimer)
{
XN_VALIDATE_INPUT_PTR(pTimer);
pTimer->nStartTime = sys_time_get_system_time();
pTimer->bRunning = true;
pTimer->nInMicros = 1000;
return XN_STATUS_OK;
}
XN_CORE_API XnStatus XnOSStartHighResTimer(XnOSTimer* pTimer)
{
XnStatus rc = XnOSStartTimer(pTimer);
XN_IS_STATUS_OK(rc);
pTimer->nInMicros = 1;
return XN_STATUS_OK;
}
XN_CORE_API XnStatus XnOSQueryTimer(XnOSTimer Timer, XN_UINT64* pnTimeSinceStart)
{
XN_VALIDATE_OUTPUT_PTR(pnTimeSinceStart);
if (!Timer.bRunning)
return XN_STATUS_OS_TIMER_QUERY_FAILED;
*pnTimeSinceStart = sys_time_get_system_time() - Timer.nStartTime;
*pnTimeSinceStart /= Timer.nInMicros;
return XN_STATUS_OK;
}
XN_CORE_API XnStatus XnOSStopTimer(XnOSTimer* pTimer)
{
XN_VALIDATE_INPUT_PTR(pTimer);
pTimer->bRunning = false;
return XN_STATUS_OK;
}
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