Package org.yamcs.tctm.ccsds

Class CcsdsFrameDecoder

java.lang.Object

org.yamcs.tctm.ccsds.CcsdsFrameDecoder

All Implemented Interfaces:

RawFrameDecoder

public class CcsdsFrameDecoder
extends Object
implements RawFrameDecoder

decodes raw frame data according to according to CCSDS 131.0-B-3. Only Reed-Solomon and de-randomization supported.

Constructor Summary

Constructors

Constructor	Description
CcsdsFrameDecoder(YConfiguration config)

Method Summary

Modifier and Type	Method	Description
int	decodedFrameLength()	Returns the length of the decoded frame or -1 if it can be variable
int	decodeFrame(byte[] data, int offset, int length)	Decodes frame in the buffer at offset.
int	encodedFrameLength()	Returns the length of the encoded (input) frame or -1 if it can be variable

Methods inherited from class java.lang.Object

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

Constructor Details

CcsdsFrameDecoder

public CcsdsFrameDecoder(YConfiguration config)

Method Details

decodeFrame

public int decodeFrame(byte[] data,
 int offset,
 int length)

Description copied from interface: RawFrameDecoder

Decodes frame in the buffer at offset. The decoded frame is stored in the same buffer.

Returns the length of the decoded and corrected frame or -1 if the frame could not be decoded

Specified by:

decodeFrame in interface RawFrameDecoder

encodedFrameLength

public int encodedFrameLength()

Description copied from interface: RawFrameDecoder

Returns the length of the encoded (input) frame or -1 if it can be variable

Specified by:

encodedFrameLength in interface RawFrameDecoder

Returns:

decodedFrameLength

public int decodedFrameLength()

Description copied from interface: RawFrameDecoder

Returns the length of the decoded frame or -1 if it can be variable

Specified by:

decodedFrameLength in interface RawFrameDecoder

Returns: