io.dvlopt.linux.gpio

Class GpioHandle

java.lang.Object

io.dvlopt.linux.gpio.GpioHandle

All Implemented Interfaces:

AutoCloseable

public class GpioHandle
extends Object
implements AutoCloseable

Class for controlling requested GPIO lines.

Each line driven by a handle is referred to by its index, as specified in the request, rather than by its number.

Method Summary

Modifier and Type	Method and Description
void	close() Closes this GPIO handle and releases resources.
void	read(GpioBuffer buffer) Reads the current state of the lines this handle controls and writes it back to the given buffer.
void	write(GpioBuffer buffer) Writes the new state of the lines this handle controls using the given buffer.

Methods inherited from class java.lang.Object

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

Method Detail

read

public void read(GpioBuffer buffer)
          throws LinuxException

Reads the current state of the lines this handle controls and writes it back to the given buffer.

Parameters:

buffer - Buffer meant to store the data.

Throws:

LinuxException - When something fails on the native side.

write

public void write(GpioBuffer buffer)
           throws LinuxException

Writes the new state of the lines this handle controls using the given buffer.

Obviously, this methods does not do much for inputs.

Parameters:

buffer - Buffer holding the new state of the lines.

Throws:

LinuxException - When something fails on the native side.

close

public void close()
           throws LinuxException

Closes this GPIO handle and releases resources.

Specified by:

close in interface AutoCloseable

Throws:

LinuxException - When something fails on the native side.