Package trclib.robotcore

Class TrcSerialBusDevice.Request

java.lang.Object

trclib.robotcore.TrcSerialBusDevice.Request

Enclosing class:

TrcSerialBusDevice

public static class TrcSerialBusDevice.Request
extends Object

This class implements a request. Typically, a request will be put into a FIFO request queue so that each request will be processed in the order they came in.

Field Summary

Fields

Modifier and Type	Field	Description
int	address
byte[]	buffer
boolean	canceled
TrcEvent	completionEvent
int	length
boolean	readRequest
Object	requestId

Constructor Summary

Constructors

Constructor	Description
Request(Object requestId, boolean readRequest, int address, byte[] buffer, int length, TrcEvent completionEvent)	Constructor: Create an instance of the object.

Method Summary

Modifier and Type	Method	Description
String	toString()	This method returns the request info as a string.

Methods inherited from class java.lang.Object

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

Field Details

requestId

public Object requestId

readRequest

public boolean readRequest

address

public int address

buffer

public byte[] buffer

length

public int length

completionEvent

public TrcEvent completionEvent

canceled

public boolean canceled

Constructor Details

Request

public Request(Object requestId,
 boolean readRequest,
 int address,
 byte[] buffer,
 int length,
 TrcEvent completionEvent)

Constructor: Create an instance of the object.

Parameters:

requestId - specifies the request ID and is not interpreted by the TrcSerialBusDevice class. it is just passed back to the requester's notification handler.

readRequest - specifies true for a read request, false for a write request.

address - specifies the data address if any, can be -1 if no address is required.

buffer - specifies the buffer that contains data for a write request, ignored for read request.

length - specifies the number of bytes to read or write.

completionEvent - specifies the event to signal when the request is completed.

Method Details

toString

public String toString()

This method returns the request info as a string.

Overrides:

toString in class Object

Returns:

request info string.