com.sun.spot.peripheral
Interface IUSBPowerDaemon

public interface IUSBPowerDaemon

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()

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

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Constant Field Values

STATE_ENUMERATED

static final int STATE_ENUMERATED

Enumerated

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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)