edu.uiuc.cs.seclab.modem
Class ModemPacket

java.lang.Object
  edu.uiuc.cs.seclab.modem.ModemPacket

Direct Known Subclasses:

XBeeApiPacket, XBeeTxPacket

public class ModemPacket
extends java.lang.Object

Generic modem packet that carries a data buffer

Field Summary

protected short	cksum
protected byte[]	data

Constructor Summary

ModemPacket(byte[] data_, boolean addCr)

ModemPacket(java.lang.String dat, boolean addCr)

Method Summary

void	append(byte b)
static short	calcCksum(byte[] bytes, int dat_offset, int len)
short	getCksum()
byte[]	getData()
void	setData(byte[] data_, boolean addCr)

Methods inherited from class java.lang.Object

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

Field Detail

cksum

protected short cksum

data

protected byte[] data

Constructor Detail

ModemPacket

public ModemPacket(byte[] data_,
                   boolean addCr)
            throws ModemException

Throws:

ModemException

ModemPacket

public ModemPacket(java.lang.String dat,
                   boolean addCr)
            throws ModemException

Throws:

ModemException

Method Detail

append

public void append(byte b)

calcCksum

public static short calcCksum(byte[] bytes,
                              int dat_offset,
                              int len)

getCksum

public short getCksum()

getData

public byte[] getData()

setData

public void setData(byte[] data_,
                    boolean addCr)
             throws ModemException

Throws:

ModemException