Package trclib.robotcore

Class TrcI2cDevice.Request

java.lang.Object

trclib.robotcore.TrcI2cDevice.Request

Enclosing class:

TrcI2cDevice

private static class TrcI2cDevice.Request
extends Object

This class implements an I2C device request. It can be a read or write request. This is implicitly indicated by the writeBuffer field. The presence of a writeBuffer indicates it is a write request. It is a read request otherwise.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	expired
private final TrcI2cDevice.CompletionHandler	handler
private final int	length
private final int	regAddress
private final double	timeout
private final byte[]	writeBuffer

Constructor Summary

Constructors

Constructor	Description
Request(int regAddress, int length, byte[] writeBuffer, TrcI2cDevice.CompletionHandler handler, double timeout)	Constructor: Create an instance of the object.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

regAddress

private final int regAddress

length

private final int length

writeBuffer

private final byte[] writeBuffer

handler

private final TrcI2cDevice.CompletionHandler handler

timeout

private final double timeout

expired

private boolean expired

Constructor Details

Request

public Request(int regAddress,
 int length,
 byte[] writeBuffer,
 TrcI2cDevice.CompletionHandler handler,
 double timeout)

Constructor: Create an instance of the object.

Parameters:

regAddress - specifies the register address.

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

writeBuffer - specifies the write buffer, null if read operation.

handler - specifies the completion handler to call when done. Can be null if none needed.

timeout - specifies the timeout time. It can be set to 0 if there is no timeout.