Package org.yamcs.simulator.pus

Class PusTmPacket

java.lang.Object

org.yamcs.tctm.CcsdsPacket

org.yamcs.simulator.SimulatorCcsdsPacket

org.yamcs.simulator.pus.PusTmPacket

public class PusTmPacket
extends SimulatorCcsdsPacket

TM packets according to PUS standard ECSS-E-ST-70-41C 15 April 2016

 Secondary header (16 bytes)
 
  version number - 4 bits
  spacecraft time reference status - 4 bits
  service type  -   8 bits
  message subtype  - 8 bits
  message type counter - 16 bits
  destination Id - 16 bits
  time - variable size but we use 9 bytes
 

Field Summary

Fields

Modifier and Type	Field	Description
protected static HashMap<Integer,AtomicInteger>	countMap
static int	DATA_OFFSET
static int	SH_OFFSET

Fields inherited from class org.yamcs.simulator.SimulatorCcsdsPacket

seqMap

Fields inherited from class org.yamcs.tctm.CcsdsPacket

bb

Constructor Summary

Constructors

Constructor	Description
PusTmPacket(byte[] packet)
PusTmPacket(int apid, int userDataLength, int type, int subtype)

Method Summary

Modifier and Type	Method	Description
protected void	fillChecksum()
protected static int	getCount(int apid)
protected ByteBuffer	getUserDataBuffer()
void	setSubtype(int subtype)
void	setType(int type)

Methods inherited from class org.yamcs.simulator.SimulatorCcsdsPacket

getSeq

Methods inherited from class org.yamcs.tctm.CcsdsPacket

getAPID, getAPID, getAPID, getByteBuffer, getBytes, getCccsdsPacketLength, getCccsdsPacketLength, getCccsdsPacketLength, getChecksumIndicator, getChecksumIndicator, getCoarseTime, getLength, getPacketID, getSecondaryHeaderFlag, getSecondaryHeaderFlag, getSequenceCount, getSequenceCount, getSequenceCount, getTimeId, setAPID, setCccsdsPacketLength, setHeader, setPacketID, setSequenceCount, toString

Methods inherited from class java.lang.Object

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

Field Detail

SH_OFFSET

public static final int SH_OFFSET

See Also:

Constant Field Values

DATA_OFFSET

public static final int DATA_OFFSET

See Also:

Constant Field Values

countMap

protected static HashMap<Integer,AtomicInteger> countMap

Constructor Detail

PusTmPacket

public PusTmPacket(byte[] packet)

PusTmPacket

public PusTmPacket(int apid,
                   int userDataLength,
                   int type,
                   int subtype)

Method Detail

setType

public void setType(int type)

setSubtype

public void setSubtype(int subtype)

getUserDataBuffer

protected ByteBuffer getUserDataBuffer()

Specified by:

getUserDataBuffer in class SimulatorCcsdsPacket

fillChecksum

protected void fillChecksum()

Specified by:

fillChecksum in class SimulatorCcsdsPacket

getCount

protected static int getCount(int apid)