cpm_ts_utils.h
Go to the documentation of this file.
1 /*
2 =============================================================================
3 MIT License
4 
5 Copyright (c) 2023-2025 Institute for Automotive Engineering (ika), RWTH Aachen University
6 
7 Permission is hereby granted, free of charge, to any person obtaining a copy
8 of this software and associated documentation files (the "Software"), to deal
9 in the Software without restriction, including without limitation the rights
10 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 copies of the Software, and to permit persons to whom the Software is
12 furnished to do so, subject to the following conditions:
13 
14 The above copyright notice and this permission notice shall be included in all
15 copies or substantial portions of the Software.
16 
17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 SOFTWARE.
24 =============================================================================
25 */
26 
32 #pragma once
33 
41 inline uint64_t getUnixNanosecondsFromReferenceTime(const TimestampIts& reference_time) {
42  double unix_time_with_leap_seconds = reference_time.value * 1e-3 + etsi_its_msgs::UNIX_SECONDS_2004;
43  uint16_t n_leap_seconds =
44  etsi_its_msgs::getLeapSecondInsertionsSince2004(static_cast<uint64_t>(unix_time_with_leap_seconds));
45  return (unix_time_with_leap_seconds - n_leap_seconds) * 1e9;
46 }
getUnixNanosecondsFromReferenceTime
uint64_t getUnixNanosecondsFromReferenceTime(const TimestampIts &reference_time)
Get the Unix-Nanoseconds from a given ReferenceTime object.
Definition: cpm_ts_utils.h:41
etsi_its_msgs::getLeapSecondInsertionsSince2004
uint16_t getLeapSecondInsertionsSince2004(const uint64_t unix_seconds)
Get the leap second insertions since 2004 for given unix seconds.
Definition: constants.h:60
etsi_its_msgs::UNIX_SECONDS_2004
const uint64_t UNIX_SECONDS_2004
Definition: constants.h:39


etsi_its_msgs_utils
Author(s): Jean-Pierre Busch , Guido Küppers , Lennart Reiher
autogenerated on Sun May 18 2025 02:32:12