NMEA::NavigationEpochAssembler Class Reference

#include <NMEANavigationEpoch.h>

Public Member Functions
void	reset ()
std::optional< NavigationUpdate >	ingest (const Sentence &sentence, uint64_t receivedAtUs)
std::optional< NavigationEpoch >	expireUntimedMetadata (uint64_t nowUs)

Static Public Attributes
static constexpr size_t	MAX_RETAINED_EPOCHS = 32
static constexpr std::chrono::microseconds	METADATA_MAX_AGE = std::chrono::seconds(2)
	Receipt age beyond which retained metadata no longer joins a new sentence of its epoch.

Detailed Description

Definition at line 64 of file NMEANavigationEpoch.h.

Member Function Documentation

expireUntimedMetadata()

std::optional< NavigationEpoch > NMEA::NavigationEpochAssembler::expireUntimedMetadata

(

uint64_t

nowUs

)

Definition at line 71 of file NMEANavigationEpoch.cc.

References METADATA_MAX_AGE, and MonotonicClock::withinAge().

Referenced by GPSNMEAStream::flush().

ingest()

std::optional< NavigationUpdate > NMEA::NavigationEpochAssembler::ingest	(	const Sentence &	sentence,
		uint64_t	receivedAtUs
	)

Definition at line 39 of file NMEANavigationEpoch.cc.

References NMEA::NavigationUpdate::FixLoss, NMEA::NavigationEpoch::fixQuality, NMEA::Field::GGA_SATELLITES_USED, NMEA::navigationStatus(), NMEA::NavigationUpdate::Position, NMEA::NavigationEpoch::positionReceivedAtUs, NMEA::NavigationEpoch::receivedAtUs, NMEA::NavigationEpoch::satellitesUsed, NMEA::sentence(), NMEA::NavigationEpoch::sequence, NMEA::NavigationEpoch::timeMs, and NMEA::NavigationUpdate::type.

reset()

void NMEA::NavigationEpochAssembler::reset

(

)

Definition at line 34 of file NMEANavigationEpoch.cc.

Referenced by GPSNMEAStream::reset().

Member Data Documentation

MAX_RETAINED_EPOCHS

constexpr size_t NMEA::NavigationEpochAssembler::MAX_RETAINED_EPOCHS = 32

staticconstexpr

Definition at line 67 of file NMEANavigationEpoch.h.

METADATA_MAX_AGE

constexpr std::chrono::microseconds NMEA::NavigationEpochAssembler::METADATA_MAX_AGE = std::chrono::seconds(2)

staticconstexpr

Receipt age beyond which retained metadata no longer joins a new sentence of its epoch.

Definition at line 69 of file NMEANavigationEpoch.h.

Referenced by expireUntimedMetadata().

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The documentation for this class was generated from the following files:

• src/GPS/Core/NMEA/NMEANavigationEpoch.h
• src/GPS/Core/NMEA/NMEANavigationEpoch.cc