org.avineas.fins.payload

Class ReadCommand

java.lang.Object

org.avineas.fins.payload.Payload

org.avineas.fins.payload.Command

org.avineas.fins.payload.IOCommand

org.avineas.fins.payload.ReadCommand

public class ReadCommand
extends IOCommand

Command that represents a read command, meaning: the request to fetch data starting from a specific address.

Since:

24-9-2007

Author:

A. van Wijngaarden

Field Summary

Fields

Modifier and Type	Field and Description
static int	SRC The sub response code for read commands.

Fields inherited from class org.avineas.fins.payload.IOCommand

ADDRESSOFFSET, AREACODEOFFSET, MRC, SIZEOFFSET, STARTDATAOFFSET

Fields inherited from class org.avineas.fins.payload.Payload

MAXPAYLOADSIZE

Constructor Summary

Constructors

Constructor and Description
ReadCommand(byte[] payload) Construct a read command from a FINS payload.
ReadCommand(int areaCode, int startAddress, int size) Create a read command.

Method Summary

Methods inherited from class org.avineas.fins.payload.IOCommand

getAreaCode, getMaxAddresses, getNumberOfValues, getStartAddress, getStartBitAddress, setStartAddress, setStartBitAddress

Methods inherited from class org.avineas.fins.payload.Payload

decode, encode, getBytes, getBytes, getMrc, getRequestCode, getSrc, setMrc, setRequestCode, setRequestCode, setSrc

Methods inherited from class java.lang.Object

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

Field Detail

SRC

public static final int SRC

The sub response code for read commands.

See Also:

Constant Field Values

Constructor Detail

ReadCommand

public ReadCommand(byte[] payload)
            throws java.lang.Exception

Construct a read command from a FINS payload.

Parameters:

payload - The payload of the command

Throws:

java.lang.Exception - In case of errors

ReadCommand

public ReadCommand(int areaCode,
           int startAddress,
           int size)

Create a read command.

Parameters:

areaCode - The area code

startAddress - The start address (word, not bit)

size - The size to read, specified in addresses