Package lejos.hardware.gps

Class NMEASentence

java.lang.Object

lejos.hardware.gps.NMEASentence

Direct Known Subclasses:

GGASentence, GSASentence, GSVSentence, RMCSentence, VTGSentence

public abstract class NMEASentence
extends java.lang.Object

Class designed to manage all NMEA Sentence. GGA and RMC Sentence needs to validate data. This class has methods to validate receivedad data

Field Summary

Fields

Modifier and Type	Field and Description
static int	LATITUDE
static int	LONGITUDE

Constructor Summary

Constructors

Constructor and Description
NMEASentence()

Method Summary

Modifier and Type	Method and Description
protected float	degreesMinToDegrees(java.lang.String DD_MM, int CoordinateType) Any GPS Receiver gives Lat/Lon data in the following way: http://www.gpsinformation.org/dale/nmea.htm http://www.teletype.com/pages/support/Documentation/RMC_log_info.htm 4807.038,N Latitude 48 deg 07.038' N 01131.000,E Longitude 11 deg 31.000' E This data is necessary to convert to Decimal Degrees.
abstract java.lang.String	getHeader() Retrieve the header constant for this sentence.
boolean	isNumeric(java.lang.String s)
protected abstract void	parse(java.lang.String sentence) Abstract method to parse out all relevant data from the nmeaSentence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LATITUDE

public static final int LATITUDE

See Also:

Constant Field Values

LONGITUDE

public static final int LONGITUDE

See Also:

Constant Field Values

Constructor Detail

NMEASentence

public NMEASentence()

Method Detail

getHeader

public abstract java.lang.String getHeader()

Retrieve the header constant for this sentence.

Returns:

The NMEA header string ($GPGGA, $GPVTG, etc...)

parse

protected abstract void parse(java.lang.String sentence)

Abstract method to parse out all relevant data from the nmeaSentence.

degreesMinToDegrees

protected float degreesMinToDegrees(java.lang.String DD_MM,
                                    int CoordinateType)

Any GPS Receiver gives Lat/Lon data in the following way: http://www.gpsinformation.org/dale/nmea.htm http://www.teletype.com/pages/support/Documentation/RMC_log_info.htm 4807.038,N Latitude 48 deg 07.038' N 01131.000,E Longitude 11 deg 31.000' E This data is necessary to convert to Decimal Degrees. Latitude values has the range: -90 <-> 90 Longitude values has the range: -180 <-> 180

Parameters:

DD_MM -

CoordinateType -

Returns:

the degrees

isNumeric

public final boolean isNumeric(java.lang.String s)