UsbConst (JavaDOC for javax.usb API)

```
public interface UsbConst
```
USB constants.

Author:

Dan Streetman

Field Summary

Fields
Modifier and Type	Field and Description
`static byte`	`CONFIGURATION_POWERED_MASK`
`static byte`	`CONFIGURATION_REMOTE_WAKEUP`
`static byte`	`CONFIGURATION_SELF_POWERED`
`static byte`	`DESCRIPTOR_MIN_LENGTH`
`static byte`	`DESCRIPTOR_MIN_LENGTH_CONFIGURATION`
`static byte`	`DESCRIPTOR_MIN_LENGTH_DEVICE`
`static byte`	`DESCRIPTOR_MIN_LENGTH_ENDPOINT`
`static byte`	`DESCRIPTOR_MIN_LENGTH_INTERFACE`
`static byte`	`DESCRIPTOR_MIN_LENGTH_STRING`
`static byte`	`DESCRIPTOR_TYPE_CONFIGURATION`
`static byte`	`DESCRIPTOR_TYPE_DEVICE`
`static byte`	`DESCRIPTOR_TYPE_ENDPOINT`
`static byte`	`DESCRIPTOR_TYPE_INTERFACE`
`static byte`	`DESCRIPTOR_TYPE_STRING`
`static java.lang.Object`	`DEVICE_SPEED_FULL` Full speed device.
`static java.lang.Object`	`DEVICE_SPEED_LOW` Low speed device.
`static java.lang.Object`	`DEVICE_SPEED_UNKNOWN` Unknown device speed.
`static byte`	`ENDPOINT_DIRECTION_IN`
`static byte`	`ENDPOINT_DIRECTION_MASK`
`static byte`	`ENDPOINT_DIRECTION_OUT`
`static byte`	`ENDPOINT_NUMBER_MASK`
`static byte`	`ENDPOINT_SYNCHRONIZATION_TYPE_ADAPTIVE`
`static byte`	`ENDPOINT_SYNCHRONIZATION_TYPE_ASYNCHRONOUS`
`static byte`	`ENDPOINT_SYNCHRONIZATION_TYPE_MASK`
`static byte`	`ENDPOINT_SYNCHRONIZATION_TYPE_NONE`
`static byte`	`ENDPOINT_SYNCHRONIZATION_TYPE_SYNCHRONOUS`
`static byte`	`ENDPOINT_TYPE_BULK`
`static byte`	`ENDPOINT_TYPE_CONTROL`
`static byte`	`ENDPOINT_TYPE_INTERRUPT`
`static byte`	`ENDPOINT_TYPE_ISOCHRONOUS`
`static byte`	`ENDPOINT_TYPE_MASK`
`static byte`	`ENDPOINT_USAGE_TYPE_DATA`
`static byte`	`ENDPOINT_USAGE_TYPE_FEEDBACK`
`static byte`	`ENDPOINT_USAGE_TYPE_IMPLICIT_FEEDBACK_DATA`
`static byte`	`ENDPOINT_USAGE_TYPE_MASK`
`static byte`	`ENDPOINT_USAGE_TYPE_RESERVED`
`static byte`	`FEATURE_SELECTOR_DEVICE_REMOTE_WAKEUP`
`static byte`	`FEATURE_SELECTOR_ENDPOINT_HALT`
`static byte`	`HUB_CLASSCODE`
`static byte`	`REQUEST_CLEAR_FEATURE`
`static byte`	`REQUEST_GET_CONFIGURATION`
`static byte`	`REQUEST_GET_DESCRIPTOR`
`static byte`	`REQUEST_GET_INTERFACE`
`static byte`	`REQUEST_GET_STATUS`
`static byte`	`REQUEST_SET_ADDRESS`
`static byte`	`REQUEST_SET_CONFIGURATION`
`static byte`	`REQUEST_SET_DESCRIPTOR`
`static byte`	`REQUEST_SET_FEATURE`
`static byte`	`REQUEST_SET_INTERFACE`
`static byte`	`REQUEST_SYNCH_FRAME`
`static byte`	`REQUESTTYPE_DIRECTION_IN`
`static byte`	`REQUESTTYPE_DIRECTION_MASK`
`static byte`	`REQUESTTYPE_DIRECTION_OUT`
`static byte`	`REQUESTTYPE_RECIPIENT_DEVICE`
`static byte`	`REQUESTTYPE_RECIPIENT_ENDPOINT`
`static byte`	`REQUESTTYPE_RECIPIENT_INTERFACE`
`static byte`	`REQUESTTYPE_RECIPIENT_MASK`
`static byte`	`REQUESTTYPE_RECIPIENT_OTHER`
`static byte`	`REQUESTTYPE_TYPE_CLASS`
`static byte`	`REQUESTTYPE_TYPE_MASK`
`static byte`	`REQUESTTYPE_TYPE_RESERVED`
`static byte`	`REQUESTTYPE_TYPE_STANDARD`
`static byte`	`REQUESTTYPE_TYPE_VENDOR`

- Field Detail
  - HUB_CLASSCODE
```
static final byte HUB_CLASSCODE
```
    See Also:
    Constant Field Values
  - DEVICE_SPEED_UNKNOWN
```
static final java.lang.Object DEVICE_SPEED_UNKNOWN
```
    Unknown device speed. Either the speed could not be detected or the speed was invalid (not USB 1.1 speed).
  - DEVICE_SPEED_LOW
```
static final java.lang.Object DEVICE_SPEED_LOW
```
    Low speed device.
  - DEVICE_SPEED_FULL
```
static final java.lang.Object DEVICE_SPEED_FULL
```
    Full speed device.
  - CONFIGURATION_POWERED_MASK
```
static final byte CONFIGURATION_POWERED_MASK
```
    See Also:
    Constant Field Values
  - CONFIGURATION_SELF_POWERED
```
static final byte CONFIGURATION_SELF_POWERED
```
    See Also:
    Constant Field Values
  - CONFIGURATION_REMOTE_WAKEUP
```
static final byte CONFIGURATION_REMOTE_WAKEUP
```
    See Also:
    Constant Field Values
  - ENDPOINT_NUMBER_MASK
```
static final byte ENDPOINT_NUMBER_MASK
```
    See Also:
    Constant Field Values
  - ENDPOINT_DIRECTION_MASK
```
static final byte ENDPOINT_DIRECTION_MASK
```
    See Also:
    Constant Field Values
  - ENDPOINT_DIRECTION_OUT
```
static final byte ENDPOINT_DIRECTION_OUT
```
    See Also:
    Constant Field Values
  - ENDPOINT_DIRECTION_IN
```
static final byte ENDPOINT_DIRECTION_IN
```
    See Also:
    Constant Field Values
  - ENDPOINT_TYPE_MASK
```
static final byte ENDPOINT_TYPE_MASK
```
    See Also:
    Constant Field Values
  - ENDPOINT_TYPE_CONTROL
```
static final byte ENDPOINT_TYPE_CONTROL
```
    See Also:
    Constant Field Values
  - ENDPOINT_TYPE_ISOCHRONOUS
```
static final byte ENDPOINT_TYPE_ISOCHRONOUS
```
    See Also:
    Constant Field Values
  - ENDPOINT_TYPE_BULK
```
static final byte ENDPOINT_TYPE_BULK
```
    See Also:
    Constant Field Values
  - ENDPOINT_TYPE_INTERRUPT
```
static final byte ENDPOINT_TYPE_INTERRUPT
```
    See Also:
    Constant Field Values
  - ENDPOINT_SYNCHRONIZATION_TYPE_MASK
```
static final byte ENDPOINT_SYNCHRONIZATION_TYPE_MASK
```
    See Also:
    Constant Field Values
  - ENDPOINT_SYNCHRONIZATION_TYPE_NONE
```
static final byte ENDPOINT_SYNCHRONIZATION_TYPE_NONE
```
    See Also:
    Constant Field Values
  - ENDPOINT_SYNCHRONIZATION_TYPE_ASYNCHRONOUS
```
static final byte ENDPOINT_SYNCHRONIZATION_TYPE_ASYNCHRONOUS
```
    See Also:
    Constant Field Values
  - ENDPOINT_SYNCHRONIZATION_TYPE_ADAPTIVE
```
static final byte ENDPOINT_SYNCHRONIZATION_TYPE_ADAPTIVE
```
    See Also:
    Constant Field Values
  - ENDPOINT_SYNCHRONIZATION_TYPE_SYNCHRONOUS
```
static final byte ENDPOINT_SYNCHRONIZATION_TYPE_SYNCHRONOUS
```
    See Also:
    Constant Field Values
  - ENDPOINT_USAGE_TYPE_MASK
```
static final byte ENDPOINT_USAGE_TYPE_MASK
```
    See Also:
    Constant Field Values
  - ENDPOINT_USAGE_TYPE_DATA
```
static final byte ENDPOINT_USAGE_TYPE_DATA
```
    See Also:
    Constant Field Values
  - ENDPOINT_USAGE_TYPE_FEEDBACK
```
static final byte ENDPOINT_USAGE_TYPE_FEEDBACK
```
    See Also:
    Constant Field Values
  - ENDPOINT_USAGE_TYPE_IMPLICIT_FEEDBACK_DATA
```
static final byte ENDPOINT_USAGE_TYPE_IMPLICIT_FEEDBACK_DATA
```
    See Also:
    Constant Field Values
  - ENDPOINT_USAGE_TYPE_RESERVED
```
static final byte ENDPOINT_USAGE_TYPE_RESERVED
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_DIRECTION_MASK
```
static final byte REQUESTTYPE_DIRECTION_MASK
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_DIRECTION_IN
```
static final byte REQUESTTYPE_DIRECTION_IN
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_DIRECTION_OUT
```
static final byte REQUESTTYPE_DIRECTION_OUT
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_TYPE_MASK
```
static final byte REQUESTTYPE_TYPE_MASK
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_TYPE_STANDARD
```
static final byte REQUESTTYPE_TYPE_STANDARD
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_TYPE_CLASS
```
static final byte REQUESTTYPE_TYPE_CLASS
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_TYPE_VENDOR
```
static final byte REQUESTTYPE_TYPE_VENDOR
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_TYPE_RESERVED
```
static final byte REQUESTTYPE_TYPE_RESERVED
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_RECIPIENT_MASK
```
static final byte REQUESTTYPE_RECIPIENT_MASK
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_RECIPIENT_DEVICE
```
static final byte REQUESTTYPE_RECIPIENT_DEVICE
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_RECIPIENT_INTERFACE
```
static final byte REQUESTTYPE_RECIPIENT_INTERFACE
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_RECIPIENT_ENDPOINT
```
static final byte REQUESTTYPE_RECIPIENT_ENDPOINT
```
    See Also:
    Constant Field Values
  - REQUESTTYPE_RECIPIENT_OTHER
```
static final byte REQUESTTYPE_RECIPIENT_OTHER
```
    See Also:
    Constant Field Values
  - REQUEST_GET_STATUS
```
static final byte REQUEST_GET_STATUS
```
    See Also:
    Constant Field Values
  - REQUEST_CLEAR_FEATURE
```
static final byte REQUEST_CLEAR_FEATURE
```
    See Also:
    Constant Field Values
  - REQUEST_SET_FEATURE
```
static final byte REQUEST_SET_FEATURE
```
    See Also:
    Constant Field Values
  - REQUEST_SET_ADDRESS
```
static final byte REQUEST_SET_ADDRESS
```
    See Also:
    Constant Field Values
  - REQUEST_GET_DESCRIPTOR
```
static final byte REQUEST_GET_DESCRIPTOR
```
    See Also:
    Constant Field Values
  - REQUEST_SET_DESCRIPTOR
```
static final byte REQUEST_SET_DESCRIPTOR
```
    See Also:
    Constant Field Values
  - REQUEST_GET_CONFIGURATION
```
static final byte REQUEST_GET_CONFIGURATION
```
    See Also:
    Constant Field Values
  - REQUEST_SET_CONFIGURATION
```
static final byte REQUEST_SET_CONFIGURATION
```
    See Also:
    Constant Field Values
  - REQUEST_GET_INTERFACE
```
static final byte REQUEST_GET_INTERFACE
```
    See Also:
    Constant Field Values
  - REQUEST_SET_INTERFACE
```
static final byte REQUEST_SET_INTERFACE
```
    See Also:
    Constant Field Values
  - REQUEST_SYNCH_FRAME
```
static final byte REQUEST_SYNCH_FRAME
```
    See Also:
    Constant Field Values
  - FEATURE_SELECTOR_DEVICE_REMOTE_WAKEUP
```
static final byte FEATURE_SELECTOR_DEVICE_REMOTE_WAKEUP
```
    See Also:
    Constant Field Values
  - FEATURE_SELECTOR_ENDPOINT_HALT
```
static final byte FEATURE_SELECTOR_ENDPOINT_HALT
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_TYPE_DEVICE
```
static final byte DESCRIPTOR_TYPE_DEVICE
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_TYPE_CONFIGURATION
```
static final byte DESCRIPTOR_TYPE_CONFIGURATION
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_TYPE_STRING
```
static final byte DESCRIPTOR_TYPE_STRING
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_TYPE_INTERFACE
```
static final byte DESCRIPTOR_TYPE_INTERFACE
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_TYPE_ENDPOINT
```
static final byte DESCRIPTOR_TYPE_ENDPOINT
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_MIN_LENGTH
```
static final byte DESCRIPTOR_MIN_LENGTH
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_MIN_LENGTH_DEVICE
```
static final byte DESCRIPTOR_MIN_LENGTH_DEVICE
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_MIN_LENGTH_CONFIGURATION
```
static final byte DESCRIPTOR_MIN_LENGTH_CONFIGURATION
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_MIN_LENGTH_INTERFACE
```
static final byte DESCRIPTOR_MIN_LENGTH_INTERFACE
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_MIN_LENGTH_ENDPOINT
```
static final byte DESCRIPTOR_MIN_LENGTH_ENDPOINT
```
    See Also:
    Constant Field Values
  - DESCRIPTOR_MIN_LENGTH_STRING
```
static final byte DESCRIPTOR_MIN_LENGTH_STRING
```
    See Also:
    Constant Field Values

Interface UsbConst

Field Summary

Field Detail

HUB_CLASSCODE

DEVICE_SPEED_UNKNOWN

DEVICE_SPEED_LOW

DEVICE_SPEED_FULL

CONFIGURATION_POWERED_MASK

CONFIGURATION_SELF_POWERED

CONFIGURATION_REMOTE_WAKEUP

ENDPOINT_NUMBER_MASK

ENDPOINT_DIRECTION_MASK

ENDPOINT_DIRECTION_OUT

ENDPOINT_DIRECTION_IN

ENDPOINT_TYPE_MASK

ENDPOINT_TYPE_CONTROL

ENDPOINT_TYPE_ISOCHRONOUS

ENDPOINT_TYPE_BULK

ENDPOINT_TYPE_INTERRUPT

ENDPOINT_SYNCHRONIZATION_TYPE_MASK

ENDPOINT_SYNCHRONIZATION_TYPE_NONE

ENDPOINT_SYNCHRONIZATION_TYPE_ASYNCHRONOUS

ENDPOINT_SYNCHRONIZATION_TYPE_ADAPTIVE

ENDPOINT_SYNCHRONIZATION_TYPE_SYNCHRONOUS

ENDPOINT_USAGE_TYPE_MASK

ENDPOINT_USAGE_TYPE_DATA

ENDPOINT_USAGE_TYPE_FEEDBACK

ENDPOINT_USAGE_TYPE_IMPLICIT_FEEDBACK_DATA

ENDPOINT_USAGE_TYPE_RESERVED

REQUESTTYPE_DIRECTION_MASK

REQUESTTYPE_DIRECTION_IN

REQUESTTYPE_DIRECTION_OUT

REQUESTTYPE_TYPE_MASK

REQUESTTYPE_TYPE_STANDARD

REQUESTTYPE_TYPE_CLASS

REQUESTTYPE_TYPE_VENDOR

REQUESTTYPE_TYPE_RESERVED

REQUESTTYPE_RECIPIENT_MASK

REQUESTTYPE_RECIPIENT_DEVICE

REQUESTTYPE_RECIPIENT_INTERFACE

REQUESTTYPE_RECIPIENT_ENDPOINT

REQUESTTYPE_RECIPIENT_OTHER

REQUEST_GET_STATUS

REQUEST_CLEAR_FEATURE

REQUEST_SET_FEATURE

REQUEST_SET_ADDRESS

REQUEST_GET_DESCRIPTOR

REQUEST_SET_DESCRIPTOR

REQUEST_GET_CONFIGURATION

REQUEST_SET_CONFIGURATION

REQUEST_GET_INTERFACE

REQUEST_SET_INTERFACE

REQUEST_SYNCH_FRAME

FEATURE_SELECTOR_DEVICE_REMOTE_WAKEUP

FEATURE_SELECTOR_ENDPOINT_HALT

DESCRIPTOR_TYPE_DEVICE

DESCRIPTOR_TYPE_CONFIGURATION

DESCRIPTOR_TYPE_STRING

DESCRIPTOR_TYPE_INTERFACE

DESCRIPTOR_TYPE_ENDPOINT

DESCRIPTOR_MIN_LENGTH

DESCRIPTOR_MIN_LENGTH_DEVICE

DESCRIPTOR_MIN_LENGTH_CONFIGURATION

DESCRIPTOR_MIN_LENGTH_INTERFACE

DESCRIPTOR_MIN_LENGTH_ENDPOINT

DESCRIPTOR_MIN_LENGTH_STRING