ev3dev.hardware

Class EV3DevSysfs

java.lang.Object

ev3dev.hardware.Device

ev3dev.hardware.EV3DevSysfs

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

Battery, EV3DevDevice, EV3DevSensorMode, Sound

public class EV3DevSysfs
extends Device

The class responsible to interact with Sysfs on EV3Dev

Field Summary

Fields inherited from class ev3dev.hardware.Device

closeList

Constructor Summary

Constructors

Constructor and Description
EV3DevSysfs()

Method Summary

Modifier and Type	Method and Description
java.util.ArrayList<java.io.File>	getElements(java.lang.String path)
float	readFloat(java.lang.String filePath)
int	readInteger(java.lang.String filePath) Read an Attribute in the Sysfs with containing Integer values
java.lang.String	readString(java.lang.String filePath) Read an Attribute in the Sysfs with containing String values
boolean	writeInteger(java.lang.String filePath, int value)
boolean	writeString(java.lang.String filePath, java.lang.String value) Write a value in a file.

Methods inherited from class ev3dev.hardware.Device

close, releaseOnClose

Methods inherited from class java.lang.Object

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

Constructor Detail

EV3DevSysfs

public EV3DevSysfs()

Method Detail

writeString

public boolean writeString(java.lang.String filePath,
                           java.lang.String value)

Write a value in a file.

Parameters:

filePath - File path

value - value to write

Returns:

A boolean value if the operation was written or not.

writeInteger

public boolean writeInteger(java.lang.String filePath,
                            int value)

readString

public java.lang.String readString(java.lang.String filePath)

Read an Attribute in the Sysfs with containing String values

Parameters:

filePath -

Returns:

value from attribute

readInteger

public int readInteger(java.lang.String filePath)

Read an Attribute in the Sysfs with containing Integer values

Parameters:

filePath -

Returns:

value from attribute

readFloat

public float readFloat(java.lang.String filePath)

getElements

public java.util.ArrayList<java.io.File> getElements(java.lang.String path)

Parameters:

path -

Returns:

an ArrayList with options from a path