io.dvlopt.linux.gpio

Class GpioBuffer

java.lang.Object

io.dvlopt.linux.gpio.GpioBuffer

public class GpioBuffer
extends Object

Class representing a buffer for reading and/or writing the state of up to 64 GPIO lines.

It does not do any IO on its own.

Field Summary

Fields

Modifier and Type	Field and Description
static int	SIZE How many lines a buffer can drive.

Constructor Summary

Constructors

Constructor and Description
GpioBuffer() Basic constructor.

Method Summary

Modifier and Type	Method and Description
GpioBuffer	clear() Clears this buffer by setting every state to false.
boolean	get(GpioLine line) Retrieves the state of a given line.
GpioBuffer	set(GpioLine line, boolean value) Sets the new state of a given line.
GpioBuffer	toggle(GpioLine line) Toggles the state of a given line.

Methods inherited from class java.lang.Object

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

Field Detail

SIZE

public static final int SIZE

How many lines a buffer can drive.

See Also:

Constant Field Values

Constructor Detail

GpioBuffer

public GpioBuffer()

Basic constructor.

Method Detail

get

public boolean get(GpioLine line)

Retrieves the state of a given line.

Parameters:

line - The GPIO line

Returns:

A boolean representing the state.

set

public GpioBuffer set(GpioLine line,
                      boolean value)

Sets the new state of a given line.

Parameters:

line - The GPIO line.

value - The new state.

Returns:

This GpioBuffer.

toggle

public GpioBuffer toggle(GpioLine line)

Toggles the state of a given line.

Parameters:

line - The GPIO line.

Returns:

This GpioBuffer.

clear

public GpioBuffer clear()

Clears this buffer by setting every state to false.

Returns:

This GpioBuffer.