dk.itu.haas.GPS.Garmin
Class PVTDataPacket

java.lang.Object
  |
  +--dk.itu.haas.GPS.Garmin.GarminPacket
        |
        +--dk.itu.haas.GPS.Garmin.PVTDataPacket

All Implemented Interfaces:

IPosition, ITime

public class PVTDataPacket

extends GarminPacket

implements IPosition, ITime

This class encapsulates the PVT (Position, velocity and time) packet. After receiving a Cmnd_Start_Pvt-packet, the GPS will continually transmit packets of the PVT-type.

Field Summary

protected float	alt
protected float	epe
protected float	eph
protected float	epv
protected int	fix
protected PositionRadians	lat
protected int	leap_scnds
protected PositionRadians	lon
protected float	msl_hght
protected double	tow
protected float	veast
protected long	wn_days
protected float	vnorth
protected float	vup

Fields inherited from class dk.itu.haas.GPS.Garmin.GarminPacket

Cmnd_Abort_Transfer, Cmnd_Start_Pvt_Data, Cmnd_Stop_Pvt_Data, Cmnd_Transfer_Alm, Cmnd_Transfer_Posn, Cmnd_Transfer_Prx, Cmnd_Transfer_Rte, Cmnd_Transfer_Time, Cmnd_Transfer_Trk, Cmnd_Transfer_Wpt, Cmnd_Turn_Off_Pwr, DLE, ETX, packet, Pid_Ack_Byte, Pid_Command_Data, Pid_Date_Time_Data, Pid_Nak_Byte, Pid_Position_Data, Pid_Product_Data, Pid_Product_Rqst, Pid_Protocol_Array, Pid_Pvt_Data, Pid_Records, Pid_Wpt_Data, Pid_Xfer_Cmplt

Constructor Summary

PVTDataPacket(GarminPacket p)
This method is a copy-constructor allowing to "upgrade" a GarminPacket to a PVTDataPacket.

PVTDataPacket(int[] p)
Treats the packet p as a packet containing PVT-data.

Method Summary

int	getHours() Returns the hour of the day.
PositionRadians	getLatitude() This method returns the latitude of the position.
PositionRadians	getLongitude() This method returns the longitude of the position.
short	getMinutes() Returns the minute of the hour.
short	getSeconds() Returns the second of the minute.

Methods inherited from class dk.itu.haas.GPS.Garmin.GarminPacket

calcChecksum, createBasicPacket, createCommandPacket, getByte, getDataLength, getID, getLength, getPacket, getRawPacket, idToString, isLegal, readByte, readDouble, readFloat, readLong, readNullTerminatedString, readWord, toString

Methods inherited from class java.lang.Object

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

Field Detail

alt

protected float alt

epe

protected float epe

eph

protected float eph

epv

protected float epv

fix

protected int fix

tow

protected double tow

lat

protected PositionRadians lat

lon

protected PositionRadians lon

veast

protected float veast

vnorth

protected float vnorth

vup

protected float vup

msl_hght

protected float msl_hght

leap_scnds

protected int leap_scnds

wn_days

protected long wn_days

Constructor Detail

PVTDataPacket

public PVTDataPacket(int[] p)

Treats the packet p as a packet containing PVT-data. Throws PacketNotRecognizedException if p is not a PVT-packet. Throws InvalidPacketException if the packet contains too little data.

PVTDataPacket

public PVTDataPacket(GarminPacket p)

This method is a copy-constructor allowing to "upgrade" a GarminPacket to a PVTDataPacket. Throws PacketNotRecognizedException if p is not a PVT-data-packet.

Method Detail

getHours

public int getHours()

Returns the hour of the day.

Specified by:

getHours in interface ITime

getMinutes

public short getMinutes()

Returns the minute of the hour.

Specified by:

getMinutes in interface ITime

getSeconds

public short getSeconds()

Returns the second of the minute.

Specified by:

getSeconds in interface ITime

getLatitude

public PositionRadians getLatitude()

This method returns the latitude of the position.

Specified by:

getLatitude in interface IPosition

getLongitude

public PositionRadians getLongitude()

This method returns the longitude of the position.

Specified by:

getLongitude in interface IPosition