QgsNMEAConnection Class Reference

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

#include <qgsnmeaconnection.h>

Inheritance diagram for QgsNMEAConnection:

Collaboration diagram for QgsNMEAConnection:

List of all members.

Public Member Functions
	QgsNMEAConnection (QIODevice *dev)
	~QgsNMEAConnection ()
Protected Slots
void	parseData ()
	Parse available data source content.
Protected Member Functions
void	processGGASentence (const char *data, int len)
void	processGSASentence (const char *data, int len)
void	processGSVSentence (const char *data, int len)
void	processRMCSentence (const char *data, int len)
void	processStringBuffer ()
	Splits mStringBuffer into sentences and calls libnmea.
void	processVTGSentence (const char *data, int len)
Protected Attributes
QString	mStringBuffer
	Store data from the device before it is processed.

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Detailed Description

Evaluates NMEA sentences coming from a GPS device.

Definition at line 24 of file qgsnmeaconnection.h.

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Constructor & Destructor Documentation

QgsNMEAConnection::QgsNMEAConnection

(

QIODevice *

dev

)

Definition at line 34 of file qgsnmeaconnection.cpp.

QgsNMEAConnection::~QgsNMEAConnection

(

)

Definition at line 38 of file qgsnmeaconnection.cpp.

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Member Function Documentation

void QgsNMEAConnection::parseData

(

)

[protected, virtual, slot]

Parse available data source content.

Implements QgsGPSConnection.

Definition at line 43 of file qgsnmeaconnection.cpp.

References QgsGPSConnection::DataReceived, QgsGPSConnection::GPSDataReceived, QgsGPSConnection::mLastGPSInformation, QgsGPSConnection::mSource, QgsGPSConnection::mStatus, mStringBuffer, processStringBuffer(), QgsDebugMsg, and QgsGPSConnection::stateChanged().

void QgsNMEAConnection::processGGASentence	(	const char *	data,
		int	len
	)		[protected]

Definition at line 141 of file qgsnmeaconnection.cpp.

References QgsGPSInformation::elevation, _nmeaGPGGA::elv, _nmeaGPGGA::ew, _nmeaGPGGA::lat, QgsGPSInformation::latitude, _nmeaGPGGA::lon, QgsGPSInformation::longitude, QgsGPSConnection::mLastGPSInformation, nmea_ndeg2degree(), nmea_parse_GPGGA(), _nmeaGPGGA::ns, QgsGPSInformation::quality, QgsGPSInformation::satellitesUsed, _nmeaGPGGA::satinuse, and _nmeaGPGGA::sig.

Referenced by processStringBuffer().

void QgsNMEAConnection::processGSASentence	(	const char *	data,
		int	len
	)		[protected]

Definition at line 241 of file qgsnmeaconnection.cpp.

References _nmeaGPGSA::fix_mode, _nmeaGPGSA::fix_type, QgsGPSInformation::fixMode, QgsGPSInformation::fixType, QgsGPSInformation::hdop, _nmeaGPGSA::HDOP, QgsGPSConnection::mLastGPSInformation, NMEA_MAXSAT, nmea_parse_GPGSA(), QgsGPSInformation::pdop, _nmeaGPGSA::PDOP, _nmeaGPGSA::sat_prn, QgsGPSInformation::satPrn, QgsGPSInformation::vdop, and _nmeaGPGSA::VDOP.

Referenced by processStringBuffer().

void QgsNMEAConnection::processGSVSentence	(	const char *	data,
		int	len
	)		[protected]

Definition at line 203 of file qgsnmeaconnection.cpp.

References QgsSatelliteInfo::azimuth, _nmeaSATELLITE::azimuth, QgsSatelliteInfo::elevation, _nmeaSATELLITE::elv, QgsSatelliteInfo::id, _nmeaSATELLITE::id, _nmeaSATELLITE::in_use, QgsSatelliteInfo::inUse, QgsGPSConnection::mLastGPSInformation, nmea_parse_GPGSV(), NMEA_SATINPACK, _nmeaGPGSV::pack_count, _nmeaGPGSV::pack_index, _nmeaGPGSV::sat_data, QgsGPSInformation::satellitesInView, QgsGPSInformation::satInfoComplete, _nmeaSATELLITE::sig, and QgsSatelliteInfo::signal.

Referenced by processStringBuffer().

void QgsNMEAConnection::processRMCSentence	(	const char *	data,
		int	len
	)		[protected]

Definition at line 166 of file qgsnmeaconnection.cpp.

References _nmeaTIME::day, QgsGPSInformation::direction, _nmeaGPRMC::direction, _nmeaGPRMC::ew, _nmeaTIME::hour, KNOTS_TO_KMH, _nmeaGPRMC::lat, QgsGPSInformation::latitude, _nmeaGPRMC::lon, QgsGPSInformation::longitude, _nmeaTIME::min, QgsGPSConnection::mLastGPSInformation, _nmeaTIME::mon, _nmeaTIME::msec, nmea_ndeg2degree(), nmea_parse_GPRMC(), _nmeaGPRMC::ns, QgsDebugMsg, _nmeaTIME::sec, QgsGPSInformation::speed, _nmeaGPRMC::speed, QgsGPSInformation::status, _nmeaGPRMC::status, _nmeaGPRMC::utc, QgsGPSInformation::utcDateTime, and _nmeaTIME::year.

Referenced by processStringBuffer().

void QgsNMEAConnection::processStringBuffer

(

)

[protected]

Splits mStringBuffer into sentences and calls libnmea.

Definition at line 77 of file qgsnmeaconnection.cpp.

References QgsGPSConnection::GPSDataReceived, QgsGPSConnection::mStatus, mStringBuffer, QgsGPSConnection::nmeaSentenceReceived(), processGGASentence(), processGSASentence(), processGSVSentence(), processRMCSentence(), processVTGSentence(), and QgsDebugMsg.

Referenced by parseData().

void QgsNMEAConnection::processVTGSentence	(	const char *	data,
		int	len
	)		[protected]

Definition at line 232 of file qgsnmeaconnection.cpp.

References QgsGPSConnection::mLastGPSInformation, nmea_parse_GPVTG(), QgsGPSInformation::speed, and _nmeaGPVTG::spk.

Referenced by processStringBuffer().

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Member Data Documentation

QString QgsNMEAConnection::mStringBuffer [protected]

Store data from the device before it is processed.

Definition at line 37 of file qgsnmeaconnection.h.

Referenced by parseData(), and processStringBuffer().

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

• src/core/gps/qgsnmeaconnection.h
• src/core/gps/qgsnmeaconnection.cpp