jmri.jmrix.can.adapters.lawicell
Class Message

java.lang.Object
  jmri.jmrix.AbstractMessage
      jmri.jmrix.AbstractMRMessage
          jmri.jmrix.can.adapters.lawicell.Message

All Implemented Interfaces:

Message

public class Message
extends AbstractMRMessage

Class for messages for a LAWICELL CAN hardware adapter.

The Lawicell adapter protocol encodes messages as an ASCII string of up to 24 characters of the form: tiiildd...[CR] Tiiiiiiiildd...[CR] The t or T indicates a standard or extended CAN frame iiiiiiii is the header as hex digits l is the number of bytes of data dd are the (up to) 8 data bytes

Author:

Andrew Crosland Copyright (C) 2008, Bob Jacobsen Copyright (C) 2008, 2009

Field Summary

Fields inherited from class jmri.jmrix.AbstractMRMessage

LONG_TIMEOUT, SHORT_TIMEOUT

Fields inherited from class jmri.jmrix.AbstractMessage

_dataChars, _nDataChars

Constructor Summary

Message()

Message(CanMessage m)

Method Summary

int	getElement(int n)
int	getNumDataElements()
boolean	isExtended()
void	setByte(int val, int n) Set a byte as two ASCII hex digits Data bytes are encoded as two ASCII hex digits starting at byte 7 of the message.
void	setData(int[] d)
void	setElement(int n, int v)
void	setExtended(boolean extended)
int	setHeader(int header, int index) Set the CAN header as ASCII hex digits.
void	setNumDataElements(int n)

Methods inherited from class jmri.jmrix.AbstractMRMessage

addIntAsFourHex, addIntAsThree, addIntAsThreeHex, addIntAsTwoHex, getNeededMode, getOpCode, getOpCodeHex, getRetries, getTimeout, isBinary, replyExpected, setBinary, setNeededMode, setOpCode, setRetries, setTimeout, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Message

public Message()

Message

public Message(CanMessage m)

Method Detail

getNumDataElements

public int getNumDataElements()

Specified by:

getNumDataElements in interface Message

Overrides:

getNumDataElements in class AbstractMessage

setNumDataElements

public void setNumDataElements(int n)

getElement

public int getElement(int n)

Specified by:

getElement in interface Message

Overrides:

getElement in class AbstractMessage

setElement

public void setElement(int n,
                       int v)

Specified by:

setElement in interface Message

Overrides:

setElement in class AbstractMessage

setData

public void setData(int[] d)

setExtended

public void setExtended(boolean extended)

isExtended

public boolean isExtended()

setHeader

public int setHeader(int header,
                     int index)

Set the CAN header as ASCII hex digits. Handles extended/standard internally

Parameters:

header - A valid CAN header value

Returns:

index to next bytes, after this

setByte

public void setByte(int val,
                    int n)

Set a byte as two ASCII hex digits

Data bytes are encoded as two ASCII hex digits starting at byte 7 of the message.

Parameters:

val - the value to set

n - the index of the byte to be set