GPGGA Class Reference

#include <NMEA.h>

Inheritance diagram for GPGGA:

List of all members.

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Detailed Description

NMEA GPGGA message.

GPGGA Message Format

• Message ID : $GPGGA : GGA protocol header
• UTC Time : 161229.487 : hhmmss.sss
• Latitude : 3723.2475 : ddmm.mmmm
• N/S Indicator : N : N=north or S=south
• Longitude : 12158.3416 : dddmm.mmmm
• E/W Indicator : W : E=east or W=west
• Position Fix Indicator : 1 : See Table 1-4
• Satellites Used : 07 : Range 0 to 12
• HDOP : 1.0 : Horizontal Dilution of Precision
• MSL Altitude : 9.0 : meters
• Units : M : meters
• Geoid Separation : : meters
• Units : M : meters
• Age of Diff. Corr. : second : Null fields when DGPS is not used
• Diff. Ref. Station ID : 0000 :
• Checksum : *18 :
• CRLF : : End of message termination

Public Types
enum	FIELDS {   GGAMSG = NMEA::FIELD_0, GGATIME, GGALATD, GGALATM,   GGALATH, GGALOND, GGALONM, GGALONH,   GGAQUAL, GGASIU, GGAHDOP, GGAALT,   GGAALTU, GGAGEOH, GGAGEOHU, GGADUPT,   GGADRID, GGACHK }
	GPGGA Field mnemonics. More...
Public Member Functions
	GPGGA ()
	Default no argument constructor.
int	setTIME (time_t time)
	Set time field.
int	setLATD (int latd)
	Set lat degrees field.
int	setLATM (double latm)
	Set lat minutes field.
int	setLATH (char lath)
	Set lat hemisphere field.
int	setLOND (int lond)
	Set lon degrees field.
int	setLONM (double lonm)
	Set lon min field.
int	setLONH (char lonh)
	Set lon hemisphere field.
int	setQUAL (int qual)
	Set signal quality field.
int	setHDOP (double hdop)
	Set horizontal dilution of precision field.
int	setALT (double alt)
	Set altitude field.
int	setALTU (char altu)
	Set altitude units field.
int	setSIU (int siu)
	Set satellites in use field.
int	setGEOH (double alt)
	Set geoid separation field.
int	setGEOHU (char geohu)
	Set geoid separation units field.
int	setDUPT (int dupt)
	Set age of differential correlation field.
int	setDRID (int drid)
	Set differential reference station ID field.
virtual const char *	toString ()
	Format NMEA string using current field values.
Friends
ostream &	operator<< (ostream &output, const GPGGA &n)
	output stream operator

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Member Enumeration Documentation

enum GPGGA::FIELDS

GPGGA Field mnemonics.

These are mapped onto the field enumerations in the base class.

Reimplemented from NMEA.

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Member Function Documentation

int GPGGA::setTIME

(

time_t

time

)

Set time field.

Parameters:

time

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setLATD

(

int

latd

)

Set lat degrees field.

Parameters:

latd

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setLATM

(

double

latm

)

Set lat minutes field.

Parameters:

latm

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setLATH

(

char

lath

)

Set lat hemisphere field.

Parameters:

lath

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setLOND

(

int

lond

)

Set lon degrees field.

Parameters:

lond

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setLONM

(

double

lonm

)

Set lon min field.

Parameters:

lonm

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setLONH

(

char

lonh

)

Set lon hemisphere field.

Parameters:

lonh

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setQUAL

(

int

qual

)

Set signal quality field.

Parameters:

qual

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setHDOP

(

double

hdop

)

Set horizontal dilution of precision field.

Parameters:

hdop

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setALT

(

double

alt

)

Set altitude field.

Parameters:

alt

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setALTU

(

char

altu

)

Set altitude units field.

Parameters:

altu

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setSIU

(

int

siu

)

Set satellites in use field.

Parameters:

siu

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setGEOH

(

double

geoh

)

Set geoid separation field.

Parameters:

geoh

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setGEOHU

(

char

geohu

)

Set geoid separation units field.

Parameters:

geohu

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setDUPT

(

int

dupt

)

Set age of differential correlation field.

Parameters:

dupt

new value

Returns:

OK on success, ERROR otherwise

int GPGGA::setDRID

(

int

drid

)

Set differential reference station ID field.

Parameters:

drid

new value

Returns:

OK on success, ERROR otherwise

const char * GPGGA::toString

(

)

[virtual]

Format NMEA string using current field values.

See also:

NMEA.h

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Friends And Related Function Documentation

ostream& operator<<	(	ostream &	output,
		const GPGGA &	n
	)			[friend]

output stream operator

Formats object for output stream insertion

Parameters:

	output	output stream handle
	n	GPGGA object pointer

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

• camera/NMEA.h
• camera/GPGGA.cc

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