com.sun.spot.peripheral
Interface IUSBPowerDaemon

All Superinterfaces:

IResource

public interface IUSBPowerDaemon
extends IResource

Field Summary

static int	STATE_AWAITING_ENUM Power detected, waiting to see if enumeration occurs
static int	STATE_BATTERY Power detected but enumeration did not occur
static int	STATE_ENUMERATED Enumerated
static int	STATE_UNCONNECTED No power applied to USB socket

Method Summary

int	getCurrentState() Get the current state of the USB connection
boolean	isUsbEnumerated()
boolean	isUsbInUse()
boolean	isUsbPowered()

Methods inherited from interface com.sun.spot.resources.IResource

addTag, getTags, getTagValue, hasTag, removeTag

Field Detail

STATE_UNCONNECTED

static final int STATE_UNCONNECTED

No power applied to USB socket

See Also:

Constant Field Values

STATE_AWAITING_ENUM

static final int STATE_AWAITING_ENUM

Power detected, waiting to see if enumeration occurs

See Also:

Constant Field Values

STATE_ENUMERATED

static final int STATE_ENUMERATED

Enumerated

See Also:

Constant Field Values

STATE_BATTERY

static final int STATE_BATTERY

Power detected but enumeration did not occur

See Also:

Constant Field Values

Method Detail

getCurrentState

int getCurrentState()

Get the current state of the USB connection

Returns:

a state as defined in IUSBPowerDaemon

isUsbPowered

boolean isUsbPowered()

Returns:

true if power is being applied to the USB socket

isUsbEnumerated

boolean isUsbEnumerated()

Returns:

true if the host has enumerated the USB device

isUsbInUse

boolean isUsbInUse()

Returns:

true if a host process is connected to the USB (may not work for all host OSs)