MRPT  1.9.9
win32/timer.cpp
Go to the documentation of this file.
1 /* +------------------------------------------------------------------------+
2  | Mobile Robot Programming Toolkit (MRPT) |
3  | http://www.mrpt.org/ |
4  | |
5  | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file |
6  | See: http://www.mrpt.org/Authors - All rights reserved. |
7  | Released under BSD License. See details in http://www.mrpt.org/License |
8  +------------------------------------------------------------------------+ */
9 /*
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright notice,
14  * this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  */
33 
34 #include "sdkcommon.h"
35 #include <mmsystem.h>
36 #pragma comment(lib, "Winmm.lib")
37 
38 namespace rp::arch
39 {
40 static LARGE_INTEGER _current_freq;
41 
43 {
44  BOOL ans = QueryPerformanceFrequency(&_current_freq);
45  _current_freq.QuadPart /= 1000;
46 }
47 
49 {
50  LARGE_INTEGER current;
51  QueryPerformanceCounter(&current);
52 
53  return (_u32)(current.QuadPart / _current_freq.QuadPart);
54 }
55 
56 BEGIN_STATIC_CODE(timer_cailb) { HPtimer_reset(); }
57 END_STATIC_CODE(timer_cailb)
58 }
59 
_u32 getHDTimer()
Definition: win32/timer.cpp:48
BEGIN_STATIC_CODE(timer_cailb)
Definition: win32/timer.cpp:56
int BOOL
Definition: xstypedefs.h:76
static LARGE_INTEGER _current_freq
Definition: win32/timer.cpp:40
uint32_t _u32
Definition: rptypes.h:66
#define END_STATIC_CODE(_blockname_)
Definition: util.h:62
void HPtimer_reset()
Definition: win32/timer.cpp:42



Page generated by Doxygen 1.8.14 for MRPT 1.9.9 Git: 7d5e6d718 Fri Aug 24 01:51:28 2018 +0200 at lun nov 2 08:35:50 CET 2020