QgsNmeaConnection Class Reference

Evaluates NMEA sentences coming from a GPS device. More...

#include <qgsnmeaconnection.h>

Inheritance diagram for QgsNmeaConnection:

Public Member Functions
	QgsNmeaConnection (QIODevice *device)
	Constructs a QgsNmeaConnection with given device. More...
Public Member Functions inherited from QgsGpsConnection
	QgsGpsConnection (QIODevice *dev)
	Constructor. More...
	~QgsGpsConnection () override
bool	close ()
	Closes connection to device. More...
bool	connect ()
	Opens connection to device. More...
QgsGpsInformation	currentGPSInformation () const
	Returns the current gps information (lat, lon, etc.) More...
void	setSource (QIODevice *source)
	Sets the GPS source. The class takes ownership of the device class. More...
Status	status () const
	Returns the status. Possible state are not connected, connected, data received. More...

Protected Slots
void	parseData () override
	Parse available data source content. More...
Protected Slots inherited from QgsGpsConnection
virtual void	parseData ()=0
	Parse available data source content. More...

Protected Member Functions
void	processGgaSentence (const char *data, int len)
	process GGA sentence More...
void	processGsaSentence (const char *data, int len)
	process GSA sentence More...
void	processGsvSentence (const char *data, int len)
	process GSV sentence More...
void	processRmcSentence (const char *data, int len)
	process RMC sentence More...
void	processStringBuffer ()
	Splits mStringBuffer into sentences and calls libnmea. More...
void	processVtgSentence (const char *data, int len)
	process VTG sentence More...

Protected Attributes
QString	mStringBuffer
	Store data from the device before it is processed. More...
Protected Attributes inherited from QgsGpsConnection
QgsGpsInformation	mLastGPSInformation
	Last state of the gps related variables (e.g. position, time, ...) More...
QIODevice *	mSource = nullptr
	Data source (e.g. serial device, socket, file,...) More...
Status	mStatus
	Connection status. More...

Additional Inherited Members
Public Types inherited from QgsGpsConnection
enum	Status { NotConnected, Connected, DataReceived, GPSDataReceived }
Signals inherited from QgsGpsConnection
void	nmeaSentenceReceived (const QString &substring)
void	stateChanged (const QgsGpsInformation &info)

Detailed Description

Evaluates NMEA sentences coming from a GPS device.

Since

QGIS 1.4

Definition at line 29 of file qgsnmeaconnection.h.

Constructor & Destructor Documentation

QgsNmeaConnection::QgsNmeaConnection

(

QIODevice *

device

)

Constructs a QgsNmeaConnection with given device.

Definition at line 33 of file qgsnmeaconnection.cpp.

Member Function Documentation

void QgsNmeaConnection::parseData ( )

overrideprotectedslot

Parse available data source content.

Definition at line 38 of file qgsnmeaconnection.cpp.

void QgsNmeaConnection::processGgaSentence ( const char *  data, int  len  )

protected

process GGA sentence

Definition at line 136 of file qgsnmeaconnection.cpp.

void QgsNmeaConnection::processGsaSentence ( const char *  data, int  len  )

protected

process GSA sentence

Definition at line 236 of file qgsnmeaconnection.cpp.

void QgsNmeaConnection::processGsvSentence ( const char *  data, int  len  )

protected

process GSV sentence

Definition at line 198 of file qgsnmeaconnection.cpp.

void QgsNmeaConnection::processRmcSentence ( const char *  data, int  len  )

protected

process RMC sentence

Definition at line 161 of file qgsnmeaconnection.cpp.

void QgsNmeaConnection::processStringBuffer ( )

protected

Splits mStringBuffer into sentences and calls libnmea.

Definition at line 72 of file qgsnmeaconnection.cpp.

void QgsNmeaConnection::processVtgSentence ( const char *  data, int  len  )

protected

process VTG sentence

Definition at line 227 of file qgsnmeaconnection.cpp.

Member Data Documentation

QString QgsNmeaConnection::mStringBuffer

protected

Store data from the device before it is processed.

Definition at line 45 of file qgsnmeaconnection.h.

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

• /build/qgis-3.4.15+24xenial/src/core/gps/qgsnmeaconnection.h
• /build/qgis-3.4.15+24xenial/src/core/gps/qgsnmeaconnection.cpp