Module org.yamcs.core

Package org.yamcs.tctm.ccsds.error

Class BchCltuGenerator

java.lang.Object

org.yamcs.tctm.ccsds.error.CltuGenerator

org.yamcs.tctm.ccsds.error.BchCltuGenerator

public class BchCltuGenerator
extends CltuGenerator

Makes CLTUs from command transfer frames as per CCSDS 231.0-B-3 (TC SYNCHRONIZATION AND CHANNEL CODING)

Implements BCH encoder

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BchCltuGenerator.BchEncoder

Nested classes/interfaces inherited from class org.yamcs.tctm.ccsds.error.CltuGenerator

CltuGenerator.Encoding

Field Summary

Fields

Modifier and Type	Field	Description
static final byte[]	CCSDS_START_SEQ
static final byte[]	CCSDS_TAIL_SEQ

Fields inherited from class org.yamcs.tctm.ccsds.error.CltuGenerator

EMPTY_SEQ, startSeq, tailSeq

Constructor Summary

Constructors

Constructor	Description
BchCltuGenerator()
BchCltuGenerator(byte[] startSeq, byte[] tailSeq)

Method Summary

Modifier and Type	Method	Description
byte[]	makeCltu(byte[] data, boolean randomize)	encode the data optionally randomizing it.

Methods inherited from class java.lang.Object

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

Field Details

CCSDS_START_SEQ

public static final byte[] CCSDS_START_SEQ

CCSDS_TAIL_SEQ

public static final byte[] CCSDS_TAIL_SEQ

Constructor Details

BchCltuGenerator

public BchCltuGenerator()

BchCltuGenerator

public BchCltuGenerator(byte[] startSeq,
 byte[] tailSeq)

Method Details

makeCltu

public byte[] makeCltu(byte[] data,
 boolean randomize)

Description copied from class: CltuGenerator

encode the data optionally randomizing it. Note that randomization is mandatory for the LDCP codec so that codec will throw an IllegalArgumentException if the argument is false.

Specified by:

makeCltu in class CltuGenerator

Returns:

- the encoded data