Visual Servoing Platform version 3.5.0
vpTime.h
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2019 by Inria. All rights reserved.
5 *
6 * This software is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 * See the file LICENSE.txt at the root directory of this source
11 * distribution for additional information about the GNU GPL.
12 *
13 * For using ViSP with software that can not be combined with the GNU
14 * GPL, please contact Inria about acquiring a ViSP Professional
15 * Edition License.
16 *
17 * See http://visp.inria.fr for more information.
18 *
19 * This software was developed at:
20 * Inria Rennes - Bretagne Atlantique
21 * Campus Universitaire de Beaulieu
22 * 35042 Rennes Cedex
23 * France
24 *
25 * If you have questions regarding the use of this file, please contact
26 * Inria at visp@inria.fr
27 *
28 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30 *
31 * Description:
32 * Time management and measurement.
33 *
34 * Authors:
35 * Eric Marchand
36 * Fabien Spindler
37 *
38 *****************************************************************************/
39
40#ifndef vpTime_h
41#define vpTime_h
42
47#include <visp3/core/vpConfig.h>
48#include <iostream>
49#include <string>
50#if VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11
51#include <chrono>
52#endif
53
54#include <visp3/core/vpException.h>
55
78namespace vpTime
79{
80VISP_EXPORT std::string getDateTime(const std::string &format = "%Y/%m/%d %H:%M:%S");
81VISP_EXPORT double getMinTimeForUsleepCall();
82VISP_EXPORT double measureTimeSecond();
83VISP_EXPORT double measureTimeMs();
84VISP_EXPORT double measureTimeMicros();
85VISP_EXPORT void sleepMs(double t);
86VISP_EXPORT int wait(double t0, double t);
87VISP_EXPORT void wait(double t);
88};
89
90class VISP_EXPORT vpChrono
91{
92public:
93 vpChrono();
94
95 double getDurationMicros();
96 double getDurationMs();
97 double getDurationSeconds();
98 void start(bool reset=true);
99 void stop();
100
101private:
102 double m_durationMs;
103#if VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11 && (defined(_MSC_VER) && _MSC_VER >= 1900 /* VS2015 */ || !defined(_MSC_VER))
104 std::chrono::steady_clock::time_point m_lastTimePoint;
105#else
106 double m_lastTimePoint;
107#endif
108};
109
110#endif
Time management and measurement.
Definition: vpTime.h:79
VISP_EXPORT int wait(double t0, double t)
VISP_EXPORT double measureTimeMicros()
VISP_EXPORT double getMinTimeForUsleepCall()
VISP_EXPORT double measureTimeSecond()
VISP_EXPORT void sleepMs(double t)
VISP_EXPORT std::string getDateTime(const std::string &format="%Y/%m/%d %H:%M:%S")
VISP_EXPORT double measureTimeMs()