org.usb4java

Class SsUsbDeviceCapabilityDescriptor

java.lang.Object

org.usb4java.SsUsbDeviceCapabilityDescriptor

public final class SsUsbDeviceCapabilityDescriptor
extends Object

A structure representing the SuperSpeed USB Device Capability descriptor. This descriptor is documented in section 9.6.2.2 of the USB 3.0 specification. All multiple-byte fields are represented in host-endian format.

Author:

Klaus Reimer (k@ailis.de)

Constructor Summary

Constructors

Constructor and Description
SsUsbDeviceCapabilityDescriptor() Constructs a new SuperSpeed USB Device Capability descriptor which can be passed to the LibUsb.getSsUsbDeviceCapabilityDescriptor(Context, BosDevCapabilityDescriptor, SsUsbDeviceCapabilityDescriptor) method.

Method Summary

Modifier and Type	Method and Description
byte	bDescriptorType() Returns the descriptor type.
byte	bDevCapabilityType() Returns the device capability type.
byte	bFunctionalitySupport() Returns the lowest speed at which all the functionality supported by the device is available to the user.
byte	bLength() Returns the size of this descriptor (in bytes).
byte	bmAttributes() Returns the bitmap of supported device level features.
byte	bU1DevExitLat() Returns the U1 Device Exit Latency.
short	bU2DevExitLat() Returns the U2 Device Exit Latency.
String	dump() Returns a dump of this descriptor.
boolean	equals(Object obj)
long	getPointer() Returns the native pointer.
int	hashCode()
String	toString()
short	wSpeedSupported() Returns the bitmap encoding of the speed supported by this device when operating in SuperSpeed mode.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SsUsbDeviceCapabilityDescriptor

public SsUsbDeviceCapabilityDescriptor()

Constructs a new SuperSpeed USB Device Capability descriptor which can be passed to the LibUsb.getSsUsbDeviceCapabilityDescriptor(Context, BosDevCapabilityDescriptor, SsUsbDeviceCapabilityDescriptor) method.

Method Detail

getPointer

public long getPointer()

Returns the native pointer.

Returns:

The native pointer.

bLength

public byte bLength()

Returns the size of this descriptor (in bytes).

Returns:

The descriptor size in bytes;

bDescriptorType

public byte bDescriptorType()

Returns the descriptor type.

Returns:

The descriptor type.

bDevCapabilityType

public byte bDevCapabilityType()

Returns the device capability type.

Returns:

The device capability type.

bmAttributes

public byte bmAttributes()

Returns the bitmap of supported device level features.

Returns:

The supported device level features.

wSpeedSupported

public short wSpeedSupported()

Returns the bitmap encoding of the speed supported by this device when operating in SuperSpeed mode.

Returns:

The supported speed.

bFunctionalitySupport

public byte bFunctionalitySupport()

Returns the lowest speed at which all the functionality supported by the device is available to the user.

Returns:

The lowest speed.

bU1DevExitLat

public byte bU1DevExitLat()

Returns the U1 Device Exit Latency.

Returns:

The U1 Device Exit Latency.

bU2DevExitLat

public short bU2DevExitLat()

Returns the U2 Device Exit Latency.

Returns:

The U2 Device Exit Latency.

dump

public String dump()

Returns a dump of this descriptor.

Returns:

The descriptor dump.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object