ev3dev.hardware.sensors

Class Battery

java.lang.Object

ev3dev.hardware.Device

ev3dev.hardware.EV3DevDevice

ev3dev.hardware.sensors.Battery

All Implemented Interfaces:

EV3DevSensorDeviceCommands, Power, SupportedPlatform, java.io.Closeable, java.lang.AutoCloseable

public class Battery
extends EV3DevDevice
implements EV3DevSensorDeviceCommands, Power

The class Battery interacts with EV3Dev to get information about battery used.

See Also:

https://www.kernel.org/doc/Documentation/power/power_supply_class.txt, https://github.com/ev3dev/ev3dev-lang/blob/develop/wrapper-specification.md#direct-attribute-mappings-5

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.lang.String	BATTERY_PATH
private java.lang.String	BATTERY_PATH_LOCAL
private static java.lang.String	CURRENT
private static Battery	Instance
private static java.lang.String	VOLTAGE

Fields inherited from class ev3dev.hardware.EV3DevDevice

ADDRESS, DEVICE, DEVICE_ROOT_PATH, LEGO_PORT, LEGO_SENSOR, MODE, PATH_DEVICE

Fields inherited from class ev3dev.hardware.Device

closeList

Fields inherited from interface ev3dev.hardware.sensors.EV3DevSensorDeviceCommands

BATTERY, BATTERY_BRICKPI, BATTERY_EV3, BATTERY_PISTORMS, LEGO_UART_SENSOR, SENSOR_MODE, SENSOR_MODES

Fields inherited from interface ev3dev.hardware.SupportedPlatform

BRICKPI, EV3BRICK, PISTORMS

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Battery()

Method Summary

Modifier and Type	Method and Description
float	getBatteryCurrent() Returns the current of the battery in microamps.
static Battery	getInstance()
float	getVoltage() Returns voltage of the battery in microvolts.

Methods inherited from class ev3dev.hardware.EV3DevDevice

detect, getIntegerAttribute, getPlatform, getStringAttribute, setIntegerAttribute, setStringAttribute

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

Field Detail

BATTERY_PATH

java.lang.String BATTERY_PATH

VOLTAGE

private static final java.lang.String VOLTAGE

See Also:

Constant Field Values

CURRENT

private static final java.lang.String CURRENT

See Also:

Constant Field Values

BATTERY_PATH_LOCAL

private java.lang.String BATTERY_PATH_LOCAL

Instance

private static Battery Instance

Constructor Detail

Battery

private Battery()

Method Detail

getInstance

public static Battery getInstance()

getVoltage

public float getVoltage()

Returns voltage of the battery in microvolts.

Specified by:

getVoltage in interface Power

Returns:

voltage

getBatteryCurrent

public float getBatteryCurrent()

Returns the current of the battery in microamps.

Specified by:

getBatteryCurrent in interface Power

Returns:

current