Package jmri.jmrix.mrc

Class MrcMessage

java.lang.Object

jmri.jmrix.mrc.MrcMessage

public class MrcMessage
extends Object

Encodes and decoders messages to an MRC command station.

Some of the message formats used in this class are Copyright MRC, Inc. and used with permission as part of the JMRI project. That permission does not extend to uses in other software products. If you wish to use this code, algorithm or these message formats outside of JMRI, please contact MRC Inc for separate permission.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) byte[]	byteStream
(package private) boolean	inError
protected static final int	LONG_TIMEOUT
(package private) int	msgClass
(package private) boolean	replyExpected
(package private) int	retries
(package private) int	SHORT_PROG_TIMEOUT
(package private) int	SHORT_TIMEOUT
(package private) MrcTrafficListener	source
(package private) int	timeout

Constructor Summary

Constructors

Constructor	Description
MrcMessage(byte[] contents)
MrcMessage(int len)
MrcMessage(int[] contents)
MrcMessage(MrcMessage original)

Method Summary

Modifier and Type	Method	Description
int	getAccAddress()
int	getAccState()
(package private) byte[]	getByteStream()
(package private) static int	getCheckSum(int addressHi, int addressLo, int data1, int data2)
int	getElement(int n)
int	getLocoAddress()
int	getMessageClass()
int	getNumDataElements()
static MrcMessage	getPOM(int addressLo, int addressHi, int cv, int val)
static MrcMessage	getReadCV(int cv)
int	getRetries()
(package private) static MrcMessage	getRouteMsg(int address, boolean closed)
static MrcMessage	getSendFunction(int group, int addressLo, int addressHi, int data)
static MrcMessage	getSendSpeed128(int addressLo, int addressHi, int speed)
static MrcMessage	getSendSpeed28(int addressLo, int addressHi, int speed, boolean fwd)
MrcTrafficListener	getSource()
(package private) static MrcMessage	getSwitchMsg(int address, boolean closed)	Get a message for a "Switch Position Normal" command to a specific accessory decoder on the layout.
int	getTimeout()
static MrcMessage	getWriteCV(int cv, int val)
boolean	isPacketInError()
boolean	isReplyExpected()
(package private) int	putHeader(int[] insert)
void	replyNotExpected()
(package private) void	setByteStream()
static MrcMessage	setClockAmPm()	Toggle the AM/PM vs 24 hour mode
static MrcMessage	setClockRatio(int ratio)	set the fast clock ratio ratio is integer and max of 60 and min of 1
static MrcMessage	setClockTime(int hour, int minute)	set the fast time clock
void	setElement(int n, int v)
(package private) void	setMessageClass(int i)
void	setMessageInError()
static MrcMessage	setNoData()
static MrcMessage	setPowerOff()	Set Track Power Off/Emergency Stop
static MrcMessage	setPowerOn()
void	setRetries(int i)
void	setSource(MrcTrafficListener s)
(package private) void	setTimeout(int i)
String	toString()
boolean	validCheckSum()
int	value()

Methods inherited from class java.lang.Object

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

Field Details

source

MrcTrafficListener source

msgClass

int msgClass

replyExpected

boolean replyExpected

SHORT_TIMEOUT

int SHORT_TIMEOUT

SHORT_PROG_TIMEOUT

int SHORT_PROG_TIMEOUT

timeout

int timeout

retries

int retries

inError

boolean inError

LONG_TIMEOUT

protected static final int LONG_TIMEOUT

See Also:

• Constant Field Values

byteStream

byte[] byteStream

Constructor Details

MrcMessage

public MrcMessage(int len)

MrcMessage

public MrcMessage(MrcMessage original)

MrcMessage

public MrcMessage(int[] contents)

MrcMessage

public MrcMessage(byte[] contents)

Method Details

setSource

public void setSource(MrcTrafficListener s)

getSource

public MrcTrafficListener getSource()

setMessageClass

void setMessageClass(int i)

getMessageClass

public int getMessageClass()

replyNotExpected

public void replyNotExpected()

isReplyExpected

public boolean isReplyExpected()

setTimeout

void setTimeout(int i)

getTimeout

public int getTimeout()

getRetries

public int getRetries()

setRetries

public void setRetries(int i)

setMessageInError

public void setMessageInError()

isPacketInError

public boolean isPacketInError()

putHeader

int putHeader(int[] insert)

toString

public String toString()

Overrides:

toString in class Object

getSendSpeed128

public static MrcMessage getSendSpeed128(int addressLo,
 int addressHi,
 int speed)

getSendSpeed28

public static MrcMessage getSendSpeed28(int addressLo,
 int addressHi,
 int speed,
 boolean fwd)

getSendFunction

public static MrcMessage getSendFunction(int group,
 int addressLo,
 int addressHi,
 int data)

getCheckSum

static int getCheckSum(int addressHi,
 int addressLo,
 int data1,
 int data2)

getReadCV

public static MrcMessage getReadCV(int cv)

getPOM

public static MrcMessage getPOM(int addressLo,
 int addressHi,
 int cv,
 int val)

getWriteCV

public static MrcMessage getWriteCV(int cv,
 int val)

validCheckSum

public boolean validCheckSum()

value

public int value()

getLocoAddress

public int getLocoAddress()

getAccAddress

public int getAccAddress()

getAccState

public int getAccState()

setClockRatio

public static MrcMessage setClockRatio(int ratio)

set the fast clock ratio ratio is integer and max of 60 and min of 1

Parameters:

ratio - value to set new clock speed

Returns:

new message to set the clock speed ratio

setClockTime

public static MrcMessage setClockTime(int hour,
 int minute)

set the fast time clock

Parameters:

hour - hour value for fast clock

minute - minute value for fast clock

Returns:

new message to set the hour/minutes of the fast clock

setClockAmPm

public static MrcMessage setClockAmPm()

Toggle the AM/PM vs 24 hour mode

Returns:

MrcMessage

setPowerOff

public static MrcMessage setPowerOff()

Set Track Power Off/Emergency Stop

Returns:

MrcMessage

setPowerOn

public static MrcMessage setPowerOn()

getSwitchMsg

static MrcMessage getSwitchMsg(int address,
 boolean closed)

Get a message for a "Switch Position Normal" command to a specific accessory decoder on the layout.

Parameters:

address - address of turnout

closed - position for the turnout

Returns:

new message for getting switch posistion

getRouteMsg

static MrcMessage getRouteMsg(int address,
 boolean closed)

setNoData

public static MrcMessage setNoData()

setByteStream

void setByteStream()

getByteStream

byte[] getByteStream()

getElement

public int getElement(int n)

getNumDataElements

public int getNumDataElements()

setElement

public void setElement(int n,
 int v)