tuwien.auto.calimero.link.medium
Class PL132LData

java.lang.Object
  tuwien.auto.calimero.link.medium.RawFrameBase
      tuwien.auto.calimero.link.medium.PL132LData

All Implemented Interfaces:

RawFrame

public class PL132LData
extends RawFrameBase

L-data frame format on PL132 communication medium.

Supports standard and extended frame format.

Field Summary

Fields inherited from class tuwien.auto.calimero.link.medium.RawFrameBase

dst, ext, fcs, hopcount, p, repetition, src, tpdu, type

Fields inherited from interface tuwien.auto.calimero.link.medium.RawFrame

ACK_FRAME, LDATA_FRAME, LPOLLDATA_FRAME

Constructor Summary

PL132LData(byte[] data, int offset)
Creates a new L-data frame out of a byte array.

Method Summary

byte[]	getDomainAddress() Returns the domain address of this frame.
boolean	isAckRequested() Returns whether layer 2 acknowledge is requested or not.
java.lang.String	toString()

Methods inherited from class tuwien.auto.calimero.link.medium.RawFrameBase

getChecksum, getDestination, getFrameType, getHopcount, getPriority, getSource, getTPDU, isRepetition

Methods inherited from class java.lang.Object

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

Constructor Detail

PL132LData

public PL132LData(byte[] data,
                  int offset)
           throws KNXFormatException

Creates a new L-data frame out of a byte array.

Parameters:

data - byte array containing the L-data frame

offset - start offset of frame structure in data, offset >= 0

Throws:

KNXFormatException - if length of data too short for frame, on no valid frame structure

Method Detail

getDomainAddress

public final byte[] getDomainAddress()

Returns the domain address of this frame.

The address is returned in network byte order.

Returns:

domain address as byte array of length 2

isAckRequested

public final boolean isAckRequested()

Returns whether layer 2 acknowledge is requested or not.

Returns:

true if L2-ACK requested, false otherwise

toString

public java.lang.String toString()

Overrides:

toString in class RawFrameBase