Abstract base class for connection to a GPS device. More...

#include <qgsgpsconnection.h>

Inheritance diagram for QgsGpsConnection:

[legend]

Public Types
enum	Status { NotConnected , Connected , DataReceived , GPSDataReceived }

Signals
void	fixStatusChanged (Qgis::GpsFixStatus status)
	Emitted when the GPS device fix status is changed.

void	nmeaSentenceReceived (const QString &substring)
	Emitted whenever the GPS device receives a raw NMEA sentence.

void	positionChanged (const QgsPoint &point)
	Emitted when the GPS position changes.

void	stateChanged (const QgsGpsInformation &info)
	Emitted whenever the GPS state is changed.

Public Member Functions
	QgsGpsConnection (QIODevice *dev)
	Constructor.

	~QgsGpsConnection () override

bool	close ()
	Closes connection to device.

bool	connect ()
	Opens connection to device.

QgsGpsInformation	currentGPSInformation () const
	Returns the current gps information (lat, lon, etc.)

QgsPoint	lastValidLocation () const
	Returns the last valid location obtained by the device.

void	setSource (QIODevice *source)
	Sets the GPS source. The class takes ownership of the device class.

Status	status () const
	Returns the status. Possible state are not connected, connected, data received.

Static Public Attributes
static const QgsSettingsEntryInteger *	settingGpsAcquisitionInterval = new QgsSettingsEntryInteger( QStringLiteral( "acquisition-interval" ), QgsSettingsTree::sTreeGps, 0, QStringLiteral( "GPS track point acquisition interval" ) )
	Settings entry GPS track point acquisition interval.

static const QgsSettingsEntryBool *	settingGpsApplyLeapSecondsCorrection = new QgsSettingsEntryBool( QStringLiteral( "apply-leap-seconds-correction" ), QgsSettingsTree::sTreeGps, true, QStringLiteral( "Whether leap seconds corrections should be applied to GPS timestamps" ) )
	Settings entry GPS apply leap seconds correction.

static const QgsSettingsEntryBool *	settingGpsBearingFromTravelDirection = new QgsSettingsEntryBool( QStringLiteral( "calculate-bearing-from-travel" ), QgsSettingsTree::sTreeGps, false, QStringLiteral( "Calculate GPS bearing from travel direction" ) )
	Settings entry GPS calculate bearing from travel direction.

static const QgsSettingsEntryDouble *	settingGpsDistanceThreshold = new QgsSettingsEntryDouble( QStringLiteral( "distance-threshold" ), QgsSettingsTree::sTreeGps, 0, QStringLiteral( "GPS track point distance threshold" ) )
	Settings entry GPS track point distance threshold.

static const QgsSettingsEntryInteger *	settingGpsLeapSeconds = new QgsSettingsEntryInteger( QStringLiteral( "leap-seconds" ), QgsSettingsTree::sTreeGps, 18, QStringLiteral( "Leap seconds correction amount (in seconds)" ) )
	Settings entry GPS leap seconds correction amount (in seconds)

static const QgsSettingsEntryEnumFlag< Qgis::GpsConnectionType > *	settingsGpsConnectionType = new QgsSettingsEntryEnumFlag<Qgis::GpsConnectionType>( QStringLiteral( "gps-connection-type" ), QgsSettingsTree::sTreeGps, Qgis::GpsConnectionType::Automatic, QStringLiteral( "GPS connection type" ) )
	Settings entry GPS connection type.

static const QgsSettingsEntryString *	settingsGpsdDeviceName = new QgsSettingsEntryString( QStringLiteral( "gpsd-device-name" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPSD connection device name" ) )
	Settings entry GPSD device name.

static const QgsSettingsEntryString *	settingsGpsdHostName = new QgsSettingsEntryString( QStringLiteral( "gpsd-host-name" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPSD connection host name" ) )
	Settings entry GPSD host name.

static const QgsSettingsEntryInteger *	settingsGpsdPortNumber = new QgsSettingsEntryInteger( QStringLiteral( "gpsd-port" ), QgsSettingsTree::sTreeGps, 2947, QStringLiteral( "GPSD port number" ) )
	Settings entry GPSD port number.

static const QgsSettingsEntryString *	settingsGpsSerialDevice = new QgsSettingsEntryString( QStringLiteral( "gpsd-serial-device" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPS serial device name" ) )
	Settings entry GPS serial device name.

static const QgsSettingsEntryInteger *	settingsGpsTimeStampOffsetFromUtc = new QgsSettingsEntryInteger( QStringLiteral( "timestamp-offset-from-utc" ), QgsSettingsTree::sTreeGps, 0, QStringLiteral( "GPS time stamp offset from UTC (in seconds)" ) )
	Settings entry GPS time offset from UTC in seconds.

static const QgsSettingsEntryEnumFlag< Qt::TimeSpec > *	settingsGpsTimeStampSpecification = new QgsSettingsEntryEnumFlag<Qt::TimeSpec>( QStringLiteral( "timestamp-time-spec" ), QgsSettingsTree::sTreeGps, Qt::TimeSpec::LocalTime, QStringLiteral( "GPS time stamp specification" ) )
	Settings entry time specification for GPS time stamps.

static const QgsSettingsEntryString *	settingsGpsTimeStampTimeZone = new QgsSettingsEntryString( QStringLiteral( "timestamp-time-zone" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPS time stamp time zone" ) )
	Settings entry GPS time stamp time zone.

Protected Slots
virtual void	parseData ()=0
	Parse available data source content.

Protected Attributes
QgsGpsInformation	mLastGPSInformation
	Last state of the gps related variables (e.g. position, time, ...)

std::unique_ptr< QIODevice >	mSource
	Data source (e.g. serial device, socket, file,...)

Status	mStatus = NotConnected
	Connection status.

Detailed Description

Abstract base class for connection to a GPS device.

Definition at line 49 of file qgsgpsconnection.h.

Member Enumeration Documentation

◆ Status

enum QgsGpsConnection::Status

Enumerator
NotConnected
Connected
DataReceived
GPSDataReceived

Definition at line 71 of file qgsgpsconnection.h.

Constructor & Destructor Documentation

◆ QgsGpsConnection()

QgsGpsConnection::QgsGpsConnection ( QIODevice * dev )

Constructor.

Parameters

dev	input device for the connection (e.g. serial device). The class takes ownership of the object

Definition at line 54 of file qgsgpsconnection.cpp.

◆ ~QgsGpsConnection()

QgsGpsConnection::~QgsGpsConnection ( )

override

Definition at line 64 of file qgsgpsconnection.cpp.

Member Function Documentation

◆ close()

bool QgsGpsConnection::close ( )

Closes connection to device.

Definition at line 84 of file qgsgpsconnection.cpp.

◆ connect()

bool QgsGpsConnection::connect ( )

Opens connection to device.

Definition at line 69 of file qgsgpsconnection.cpp.

◆ currentGPSInformation()

QgsGpsInformation QgsGpsConnection::currentGPSInformation ( ) const

inline

Returns the current gps information (lat, lon, etc.)

Definition at line 138 of file qgsgpsconnection.h.

◆ fixStatusChanged

void QgsGpsConnection::fixStatusChanged ( Qgis::GpsFixStatus status )

signal

Emitted when the GPS device fix status is changed.

Since: QGIS 3.30

◆ lastValidLocation()

QgsPoint QgsGpsConnection::lastValidLocation ( ) const

inline

Returns the last valid location obtained by the device.

Since: QGIS 3.30

Definition at line 145 of file qgsgpsconnection.h.

◆ nmeaSentenceReceived

void QgsGpsConnection::nmeaSentenceReceived ( const QString & substring )

signal

Emitted whenever the GPS device receives a raw NMEA sentence.

◆ parseData

virtual void QgsGpsConnection::parseData ( )

protectedpure virtualslot

Parse available data source content.

◆ positionChanged

void QgsGpsConnection::positionChanged ( const QgsPoint & point )

signal

Emitted when the GPS position changes.

This signal is only emitted when the new GPS location is considered valid (see QgsGpsInformation::isValid()).

Since: QGIS 3.30

◆ setSource()

void QgsGpsConnection::setSource ( QIODevice * source )

Sets the GPS source. The class takes ownership of the device class.

Definition at line 117 of file qgsgpsconnection.cpp.

◆ stateChanged

void QgsGpsConnection::stateChanged ( const QgsGpsInformation & info )

signal

Emitted whenever the GPS state is changed.

◆ status()

Status QgsGpsConnection::status ( ) const

inline

Returns the status. Possible state are not connected, connected, data received.

Definition at line 135 of file qgsgpsconnection.h.

Member Data Documentation

◆ mLastGPSInformation

QgsGpsInformation QgsGpsConnection::mLastGPSInformation

protected

Last state of the gps related variables (e.g. position, time, ...)

Definition at line 181 of file qgsgpsconnection.h.

◆ mSource

std::unique_ptr< QIODevice > QgsGpsConnection::mSource

protected

Data source (e.g. serial device, socket, file,...)

Definition at line 179 of file qgsgpsconnection.h.

◆ mStatus

Status QgsGpsConnection::mStatus = NotConnected

protected

Connection status.

Definition at line 183 of file qgsgpsconnection.h.

◆ settingGpsAcquisitionInterval

const QgsSettingsEntryInteger * QgsGpsConnection::settingGpsAcquisitionInterval = new QgsSettingsEntryInteger( QStringLiteral( "acquisition-interval" ), QgsSettingsTree::sTreeGps, 0, QStringLiteral( "GPS track point acquisition interval" ) )

static

Settings entry GPS track point acquisition interval.

Definition at line 96 of file qgsgpsconnection.h.

◆ settingGpsApplyLeapSecondsCorrection

const QgsSettingsEntryBool * QgsGpsConnection::settingGpsApplyLeapSecondsCorrection = new QgsSettingsEntryBool( QStringLiteral( "apply-leap-seconds-correction" ), QgsSettingsTree::sTreeGps, true, QStringLiteral( "Whether leap seconds corrections should be applied to GPS timestamps" ) )

static

Settings entry GPS apply leap seconds correction.

Definition at line 105 of file qgsgpsconnection.h.

◆ settingGpsBearingFromTravelDirection

const QgsSettingsEntryBool * QgsGpsConnection::settingGpsBearingFromTravelDirection = new QgsSettingsEntryBool( QStringLiteral( "calculate-bearing-from-travel" ), QgsSettingsTree::sTreeGps, false, QStringLiteral( "Calculate GPS bearing from travel direction" ) )

static

Settings entry GPS calculate bearing from travel direction.

Definition at line 102 of file qgsgpsconnection.h.

◆ settingGpsDistanceThreshold

const QgsSettingsEntryDouble * QgsGpsConnection::settingGpsDistanceThreshold = new QgsSettingsEntryDouble( QStringLiteral( "distance-threshold" ), QgsSettingsTree::sTreeGps, 0, QStringLiteral( "GPS track point distance threshold" ) )

static

Settings entry GPS track point distance threshold.

Definition at line 99 of file qgsgpsconnection.h.

◆ settingGpsLeapSeconds

const QgsSettingsEntryInteger * QgsGpsConnection::settingGpsLeapSeconds = new QgsSettingsEntryInteger( QStringLiteral( "leap-seconds" ), QgsSettingsTree::sTreeGps, 18, QStringLiteral( "Leap seconds correction amount (in seconds)" ) )

static

Settings entry GPS leap seconds correction amount (in seconds)

Definition at line 108 of file qgsgpsconnection.h.

◆ settingsGpsConnectionType

const QgsSettingsEntryEnumFlag< Qgis::GpsConnectionType > * QgsGpsConnection::settingsGpsConnectionType = new QgsSettingsEntryEnumFlag<Qgis::GpsConnectionType>( QStringLiteral( "gps-connection-type" ), QgsSettingsTree::sTreeGps, Qgis::GpsConnectionType::Automatic, QStringLiteral( "GPS connection type" ) )

static

Settings entry GPS connection type.

Definition at line 81 of file qgsgpsconnection.h.

◆ settingsGpsdDeviceName

const QgsSettingsEntryString * QgsGpsConnection::settingsGpsdDeviceName = new QgsSettingsEntryString( QStringLiteral( "gpsd-device-name" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPSD connection device name" ) )

static

Settings entry GPSD device name.

Definition at line 90 of file qgsgpsconnection.h.

◆ settingsGpsdHostName

const QgsSettingsEntryString * QgsGpsConnection::settingsGpsdHostName = new QgsSettingsEntryString( QStringLiteral( "gpsd-host-name" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPSD connection host name" ) )

static

Settings entry GPSD host name.

Definition at line 84 of file qgsgpsconnection.h.

◆ settingsGpsdPortNumber

const QgsSettingsEntryInteger * QgsGpsConnection::settingsGpsdPortNumber = new QgsSettingsEntryInteger( QStringLiteral( "gpsd-port" ), QgsSettingsTree::sTreeGps, 2947, QStringLiteral( "GPSD port number" ) )

static

Settings entry GPSD port number.

Definition at line 87 of file qgsgpsconnection.h.

◆ settingsGpsSerialDevice

const QgsSettingsEntryString * QgsGpsConnection::settingsGpsSerialDevice = new QgsSettingsEntryString( QStringLiteral( "gpsd-serial-device" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPS serial device name" ) )

static

Settings entry GPS serial device name.

Definition at line 93 of file qgsgpsconnection.h.

◆ settingsGpsTimeStampOffsetFromUtc

const QgsSettingsEntryInteger * QgsGpsConnection::settingsGpsTimeStampOffsetFromUtc = new QgsSettingsEntryInteger( QStringLiteral( "timestamp-offset-from-utc" ), QgsSettingsTree::sTreeGps, 0, QStringLiteral( "GPS time stamp offset from UTC (in seconds)" ) )

static

Settings entry GPS time offset from UTC in seconds.

Definition at line 117 of file qgsgpsconnection.h.

◆ settingsGpsTimeStampSpecification

const QgsSettingsEntryEnumFlag< Qt::TimeSpec > * QgsGpsConnection::settingsGpsTimeStampSpecification = new QgsSettingsEntryEnumFlag<Qt::TimeSpec>( QStringLiteral( "timestamp-time-spec" ), QgsSettingsTree::sTreeGps, Qt::TimeSpec::LocalTime, QStringLiteral( "GPS time stamp specification" ) )

static

Settings entry time specification for GPS time stamps.

Definition at line 111 of file qgsgpsconnection.h.

◆ settingsGpsTimeStampTimeZone

const QgsSettingsEntryString * QgsGpsConnection::settingsGpsTimeStampTimeZone = new QgsSettingsEntryString( QStringLiteral( "timestamp-time-zone" ), QgsSettingsTree::sTreeGps, QString(), QStringLiteral( "GPS time stamp time zone" ) )

static

Settings entry GPS time stamp time zone.

Definition at line 114 of file qgsgpsconnection.h.

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

/build/qgis-3.41.0+git20241116+25ec5511245+99sid/src/core/gps/qgsgpsconnection.h
/build/qgis-3.41.0+git20241116+25ec5511245+99sid/src/core/gps/qgsgpsconnection.cpp

Public Types

Signals

Public Member Functions

Static Public Attributes

Protected Slots

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ Status

Constructor & Destructor Documentation

◆ QgsGpsConnection()

◆ ~QgsGpsConnection()

Member Function Documentation

◆ close()

◆ connect()

◆ currentGPSInformation()

◆ fixStatusChanged

◆ lastValidLocation()

◆ nmeaSentenceReceived

◆ parseData

◆ positionChanged

◆ setSource()

◆ stateChanged

◆ status()

Member Data Documentation

◆ mLastGPSInformation

◆ mSource

◆ mStatus

◆ settingGpsAcquisitionInterval

◆ settingGpsApplyLeapSecondsCorrection

◆ settingGpsBearingFromTravelDirection

◆ settingGpsDistanceThreshold

◆ settingGpsLeapSeconds

◆ settingsGpsConnectionType

◆ settingsGpsdDeviceName

◆ settingsGpsdHostName

◆ settingsGpsdPortNumber

◆ settingsGpsSerialDevice

◆ settingsGpsTimeStampOffsetFromUtc

◆ settingsGpsTimeStampSpecification

◆ settingsGpsTimeStampTimeZone