denm_utils.h File Reference

Utility functions for the ETSI ITS DENM (EN) More...

#include <etsi_its_msgs_utils/impl/cdd/cdd_checks.h>
#include <etsi_its_msgs_utils/impl/constants.h>

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Functions
uint64_t	getUnixNanosecondsFromReferenceTime (const TimestampIts &reference_time)
	Get the Unix-Nanoseconds from a given ReferenceTime object.

Detailed Description

Utility functions for the ETSI ITS DENM (EN)

Definition in file denm_utils.h.

Function Documentation

getUnixNanosecondsFromReferenceTime()

uint64_t getUnixNanosecondsFromReferenceTime ( const TimestampIts & reference_time )

inline

Get the Unix-Nanoseconds from a given ReferenceTime object.

Parameters

reference_time	the ReferenceTime object to get the Unix-Nanoseconds from
n_leap_seconds	number of leap-seconds since 2004. (Default: etsi_its_msgs::N_LEAP_SECONDS)

Returns

uint64_t the corresponding Unix-Nanoseconds

Definition at line 44 of file denm_utils.h.

                                                                                        {
  double unix_time_with_leap_seconds = reference_time.value * 1e-3 + etsi_its_msgs::UNIX_SECONDS_2004;
  uint16_t n_leap_seconds =
      etsi_its_msgs::getLeapSecondInsertionsSince2004(static_cast<uint64_t>(unix_time_with_leap_seconds));
  return (unix_time_with_leap_seconds - n_leap_seconds) * 1e9;
}