UsbConstants

Kotlin |Java

class UsbConstants

kotlin.Any
↳	android.hardware.usb.UsbConstants

Contains constants for the USB protocol. These constants correspond to definitions in linux/usb/ch9.h in the linux kernel.

Summary

Constants
static Int	`USB_CLASS_APP_SPEC` Application specific USB class.
static Int	`USB_CLASS_AUDIO` USB class for audio devices.
static Int	`USB_CLASS_CDC_DATA` USB class for CDC devices (communications device class).
static Int	`USB_CLASS_COMM` USB class for communication devices.
static Int	`USB_CLASS_CONTENT_SEC` USB class for content security devices.
static Int	`USB_CLASS_CSCID` USB class for content smart card devices.
static Int	`USB_CLASS_HID` USB class for human interface devices (for example, mice and keyboards).
static Int	`USB_CLASS_HUB` USB class for USB hubs.
static Int	`USB_CLASS_MASS_STORAGE` USB class for mass storage devices.
static Int	`USB_CLASS_MISC` USB class for wireless miscellaneous devices.
static Int	`USB_CLASS_PER_INTERFACE` USB class indicating that the class is determined on a per-interface basis.
static Int	`USB_CLASS_PHYSICA` USB class for physical devices.
static Int	`USB_CLASS_PRINTER` USB class for printers.
static Int	`USB_CLASS_STILL_IMAGE` USB class for still image devices (digital cameras).
static Int	`USB_CLASS_VENDOR_SPEC` Vendor specific USB class.
static Int	`USB_CLASS_VIDEO` USB class for video devices.
static Int	`USB_CLASS_WIRELESS_CONTROLLER` USB class for wireless controller devices.
static Int	`USB_DIR_IN` Used to signify direction of data for a `UsbEndpoint` is IN (device to host)
static Int	`USB_DIR_OUT` Used to signify direction of data for a `UsbEndpoint` is OUT (host to device)
static Int	`USB_ENDPOINT_DIR_MASK` Bitmask used for extracting the `UsbEndpoint` direction from its address field.
static Int	`USB_ENDPOINT_NUMBER_MASK` Bitmask used for extracting the `UsbEndpoint` number its address field.
static Int	`USB_ENDPOINT_XFERTYPE_MASK` Bitmask used for extracting the `UsbEndpoint` type from its address field.
static Int	`USB_ENDPOINT_XFER_BULK` Bulk endpoint type
static Int	`USB_ENDPOINT_XFER_CONTROL` Control endpoint type (endpoint zero)
static Int	`USB_ENDPOINT_XFER_INT` Interrupt endpoint type
static Int	`USB_ENDPOINT_XFER_ISOC` Isochronous endpoint type (currently not supported)
static Int	`USB_INTERFACE_SUBCLASS_BOOT` Boot subclass for HID devices.
static Int	`USB_SUBCLASS_VENDOR_SPEC` Vendor specific USB subclass.
static Int	`USB_TYPE_CLASS` Used to specify that an endpoint zero control request is a class specific request.
static Int	`USB_TYPE_MASK` Bitmask used for encoding the request type for a control request on endpoint zero.
static Int	`USB_TYPE_RESERVED` Reserved endpoint zero control request type (currently unused).
static Int	`USB_TYPE_STANDARD` Used to specify that an endpoint zero control request is a standard request.
static Int	`USB_TYPE_VENDOR` Used to specify that an endpoint zero control request is a vendor specific request.

Public constructors
`UsbConstants()`

Constants

USB_CLASS_APP_SPEC

Added in API level 12

static val USB_CLASS_APP_SPEC: Int

Application specific USB class.

Value: 254

USB_CLASS_AUDIO

Added in API level 12

static val USB_CLASS_AUDIO: Int

USB class for audio devices.

Value: 1

USB_CLASS_CDC_DATA

Added in API level 12

static val USB_CLASS_CDC_DATA: Int

USB class for CDC devices (communications device class).

Value: 10

USB_CLASS_COMM

Added in API level 12

static val USB_CLASS_COMM: Int

USB class for communication devices.

Value: 2

USB_CLASS_CONTENT_SEC

Added in API level 12

static val USB_CLASS_CONTENT_SEC: Int

USB class for content security devices.

Value: 13

USB_CLASS_CSCID

Added in API level 12

static val USB_CLASS_CSCID: Int

USB class for content smart card devices.

Value: 11

USB_CLASS_HID

Added in API level 12

static val USB_CLASS_HID: Int

USB class for human interface devices (for example, mice and keyboards).

Value: 3

USB_CLASS_HUB

Added in API level 12

static val USB_CLASS_HUB: Int

USB class for USB hubs.

Value: 9

USB_CLASS_MASS_STORAGE

Added in API level 12

static val USB_CLASS_MASS_STORAGE: Int

USB class for mass storage devices.

Value: 8

USB_CLASS_MISC

Added in API level 12

static val USB_CLASS_MISC: Int

USB class for wireless miscellaneous devices.

Value: 239

USB_CLASS_PER_INTERFACE

Added in API level 12

static val USB_CLASS_PER_INTERFACE: Int

USB class indicating that the class is determined on a per-interface basis.

Value: 0

USB_CLASS_PHYSICA

Added in API level 12

static val USB_CLASS_PHYSICA: Int

USB class for physical devices.

Value: 5

USB_CLASS_PRINTER

Added in API level 12

static val USB_CLASS_PRINTER: Int

USB class for printers.

Value: 7

USB_CLASS_STILL_IMAGE

Added in API level 12

static val USB_CLASS_STILL_IMAGE: Int

USB class for still image devices (digital cameras).

Value: 6

USB_CLASS_VENDOR_SPEC

Added in API level 12

static val USB_CLASS_VENDOR_SPEC: Int

Vendor specific USB class.

Value: 255

USB_CLASS_VIDEO

Added in API level 12

static val USB_CLASS_VIDEO: Int

USB class for video devices.

Value: 14

USB_CLASS_WIRELESS_CONTROLLER

Added in API level 12

static val USB_CLASS_WIRELESS_CONTROLLER: Int

USB class for wireless controller devices.

Value: 224

USB_DIR_IN

Added in API level 12

static val USB_DIR_IN: Int

Used to signify direction of data for a UsbEndpoint is IN (device to host)

Value: 128

See Also

android.hardware.usb.UsbEndpoint#getDirection

USB_DIR_OUT

Added in API level 12

static val USB_DIR_OUT: Int

Used to signify direction of data for a UsbEndpoint is OUT (host to device)

Value: 0

See Also

android.hardware.usb.UsbEndpoint#getDirection

USB_ENDPOINT_DIR_MASK

Added in API level 12

static val USB_ENDPOINT_DIR_MASK: Int

Bitmask used for extracting the UsbEndpoint direction from its address field.

Value: 128

See Also

USB_ENDPOINT_NUMBER_MASK

Added in API level 12

static val USB_ENDPOINT_NUMBER_MASK: Int

Bitmask used for extracting the UsbEndpoint number its address field.

Value: 15

See Also

USB_ENDPOINT_XFERTYPE_MASK

Added in API level 12

static val USB_ENDPOINT_XFERTYPE_MASK: Int

Bitmask used for extracting the UsbEndpoint type from its address field.

Value: 3

See Also

USB_ENDPOINT_XFER_BULK

Added in API level 12

static val USB_ENDPOINT_XFER_BULK: Int

Bulk endpoint type

Value: 2

See Also

android.hardware.usb.UsbEndpoint#getType

USB_ENDPOINT_XFER_CONTROL

Added in API level 12

static val USB_ENDPOINT_XFER_CONTROL: Int

Control endpoint type (endpoint zero)

Value: 0

See Also

android.hardware.usb.UsbEndpoint#getType

USB_ENDPOINT_XFER_INT

Added in API level 12

static val USB_ENDPOINT_XFER_INT: Int

Interrupt endpoint type

Value: 3

See Also

android.hardware.usb.UsbEndpoint#getType

USB_ENDPOINT_XFER_ISOC

Added in API level 12

static val USB_ENDPOINT_XFER_ISOC: Int

Isochronous endpoint type (currently not supported)

Value: 1

See Also

android.hardware.usb.UsbEndpoint#getType

USB_INTERFACE_SUBCLASS_BOOT

Added in API level 12

static val USB_INTERFACE_SUBCLASS_BOOT: Int

Boot subclass for HID devices.

Value: 1

USB_SUBCLASS_VENDOR_SPEC

Added in API level 12

static val USB_SUBCLASS_VENDOR_SPEC: Int

Vendor specific USB subclass.

Value: 255

USB_TYPE_CLASS

Added in API level 12

static val USB_TYPE_CLASS: Int

Used to specify that an endpoint zero control request is a class specific request.

Value: 32

USB_TYPE_MASK

Added in API level 12

static val USB_TYPE_MASK: Int

Bitmask used for encoding the request type for a control request on endpoint zero.

Value: 96

USB_TYPE_RESERVED

Added in API level 12

static val USB_TYPE_RESERVED: Int

Reserved endpoint zero control request type (currently unused).

Value: 96

USB_TYPE_STANDARD

Added in API level 12

static val USB_TYPE_STANDARD: Int

Used to specify that an endpoint zero control request is a standard request.

Value: 0

USB_TYPE_VENDOR

Added in API level 12

static val USB_TYPE_VENDOR: Int

Used to specify that an endpoint zero control request is a vendor specific request.

Value: 64

Public constructors

UsbConstants

UsbConstants()