63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/*
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* RPLIDAR SDK
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*
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* Copyright (c) 2009 - 2014 RoboPeak Team
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* http://www.robopeak.com
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* Copyright (c) 2014 - 2018 Shanghai Slamtec Co., Ltd.
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* http://www.slamtec.com
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*
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*/
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sdkcommon.h"
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#include <mmsystem.h>
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#pragma comment(lib, "Winmm.lib")
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namespace rp{ namespace arch{
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static LARGE_INTEGER _current_freq;
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void HPtimer_reset()
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{
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BOOL ans=QueryPerformanceFrequency(&_current_freq);
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_current_freq.QuadPart/=1000;
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}
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_u32 getHDTimer()
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{
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LARGE_INTEGER current;
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QueryPerformanceCounter(¤t);
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return (_u32)(current.QuadPart/_current_freq.QuadPart);
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}
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BEGIN_STATIC_CODE(timer_cailb)
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{
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HPtimer_reset();
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}END_STATIC_CODE(timer_cailb)
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}}
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