public
final
class
UsbConstants
extends Object
java.lang.Object | |
↳ | android.hardware.usb.UsbConstants |
Contains constants for the USB protocol. These constants correspond to definitions in linux/usb/ch9.h in the linux kernel.
Constants | |
---|---|
int |
USB_CLASS_APP_SPEC
Application specific USB class. |
int |
USB_CLASS_AUDIO
USB class for audio devices. |
int |
USB_CLASS_CDC_DATA
USB class for CDC devices (communications device class). |
int |
USB_CLASS_COMM
USB class for communication devices. |
int |
USB_CLASS_CONTENT_SEC
USB class for content security devices. |
int |
USB_CLASS_CSCID
USB class for content smart card devices. |
int |
USB_CLASS_HID
USB class for human interface devices (for example, mice and keyboards). |
int |
USB_CLASS_HUB
USB class for USB hubs. |
int |
USB_CLASS_MASS_STORAGE
USB class for mass storage devices. |
int |
USB_CLASS_MISC
USB class for wireless miscellaneous devices. |
int |
USB_CLASS_PER_INTERFACE
USB class indicating that the class is determined on a per-interface basis. |
int |
USB_CLASS_PHYSICA
USB class for physical devices. |
int |
USB_CLASS_PRINTER
USB class for printers. |
int |
USB_CLASS_STILL_IMAGE
USB class for still image devices (digital cameras). |
int |
USB_CLASS_VENDOR_SPEC
Vendor specific USB class. |
int |
USB_CLASS_VIDEO
USB class for video devices. |
int |
USB_CLASS_WIRELESS_CONTROLLER
USB class for wireless controller devices. |
int |
USB_DIR_IN
Used to signify direction of data for a |
int |
USB_DIR_OUT
Used to signify direction of data for a |
int |
USB_ENDPOINT_DIR_MASK
Bitmask used for extracting the |
int |
USB_ENDPOINT_NUMBER_MASK
Bitmask used for extracting the |
int |
USB_ENDPOINT_XFERTYPE_MASK
Bitmask used for extracting the |
int |
USB_ENDPOINT_XFER_BULK
Bulk endpoint type |
int |
USB_ENDPOINT_XFER_CONTROL
Control endpoint type (endpoint zero) |
int |
USB_ENDPOINT_XFER_INT
Interrupt endpoint type |
int |
USB_ENDPOINT_XFER_ISOC
Isochronous endpoint type (currently not supported) |
int |
USB_INTERFACE_SUBCLASS_BOOT
Boot subclass for HID devices. |
int |
USB_SUBCLASS_VENDOR_SPEC
Vendor specific USB subclass. |
int |
USB_TYPE_CLASS
Used to specify that an endpoint zero control request is a class specific request. |
int |
USB_TYPE_MASK
Bitmask used for encoding the request type for a control request on endpoint zero. |
int |
USB_TYPE_RESERVED
Reserved endpoint zero control request type (currently unused). |
int |
USB_TYPE_STANDARD
Used to specify that an endpoint zero control request is a standard request. |
int |
USB_TYPE_VENDOR
Used to specify that an endpoint zero control request is a vendor specific request. |
Public constructors | |
---|---|
UsbConstants()
|
Inherited methods | |
---|---|
From
class
java.lang.Object
|
int USB_CLASS_APP_SPEC
Application specific USB class.
Constant Value: 254 (0x000000fe)
int USB_CLASS_AUDIO
USB class for audio devices.
Constant Value: 1 (0x00000001)
int USB_CLASS_CDC_DATA
USB class for CDC devices (communications device class).
Constant Value: 10 (0x0000000a)
int USB_CLASS_COMM
USB class for communication devices.
Constant Value: 2 (0x00000002)
int USB_CLASS_CONTENT_SEC
USB class for content security devices.
Constant Value: 13 (0x0000000d)
int USB_CLASS_CSCID
USB class for content smart card devices.
Constant Value: 11 (0x0000000b)
int USB_CLASS_HID
USB class for human interface devices (for example, mice and keyboards).
Constant Value: 3 (0x00000003)
int USB_CLASS_HUB
USB class for USB hubs.
Constant Value: 9 (0x00000009)
int USB_CLASS_MASS_STORAGE
USB class for mass storage devices.
Constant Value: 8 (0x00000008)
int USB_CLASS_MISC
USB class for wireless miscellaneous devices.
Constant Value: 239 (0x000000ef)
int USB_CLASS_PER_INTERFACE
USB class indicating that the class is determined on a per-interface basis.
Constant Value: 0 (0x00000000)
int USB_CLASS_PHYSICA
USB class for physical devices.
Constant Value: 5 (0x00000005)
int USB_CLASS_PRINTER
USB class for printers.
Constant Value: 7 (0x00000007)
int USB_CLASS_STILL_IMAGE
USB class for still image devices (digital cameras).
Constant Value: 6 (0x00000006)
int USB_CLASS_VENDOR_SPEC
Vendor specific USB class.
Constant Value: 255 (0x000000ff)
int USB_CLASS_VIDEO
USB class for video devices.
Constant Value: 14 (0x0000000e)
int USB_CLASS_WIRELESS_CONTROLLER
USB class for wireless controller devices.
Constant Value: 224 (0x000000e0)
int USB_DIR_IN
Used to signify direction of data for a UsbEndpoint
is IN (device to host)
See also:
Constant Value: 128 (0x00000080)
int USB_DIR_OUT
Used to signify direction of data for a UsbEndpoint
is OUT (host to device)
See also:
Constant Value: 0 (0x00000000)
int USB_ENDPOINT_DIR_MASK
Bitmask used for extracting the UsbEndpoint
direction from its address field.
Constant Value: 128 (0x00000080)
int USB_ENDPOINT_NUMBER_MASK
Bitmask used for extracting the UsbEndpoint
number its address field.
See also:
Constant Value: 15 (0x0000000f)
int USB_ENDPOINT_XFERTYPE_MASK
Bitmask used for extracting the UsbEndpoint
type from its address field.
See also:
Constant Value: 3 (0x00000003)
int USB_ENDPOINT_XFER_BULK
Bulk endpoint type
See also:
Constant Value: 2 (0x00000002)
int USB_ENDPOINT_XFER_CONTROL
Control endpoint type (endpoint zero)
See also:
Constant Value: 0 (0x00000000)
int USB_ENDPOINT_XFER_INT
Interrupt endpoint type
See also:
Constant Value: 3 (0x00000003)
int USB_ENDPOINT_XFER_ISOC
Isochronous endpoint type (currently not supported)
See also:
Constant Value: 1 (0x00000001)
int USB_INTERFACE_SUBCLASS_BOOT
Boot subclass for HID devices.
Constant Value: 1 (0x00000001)
int USB_SUBCLASS_VENDOR_SPEC
Vendor specific USB subclass.
Constant Value: 255 (0x000000ff)
int USB_TYPE_CLASS
Used to specify that an endpoint zero control request is a class specific request.
Constant Value: 32 (0x00000020)
int USB_TYPE_MASK
Bitmask used for encoding the request type for a control request on endpoint zero.
Constant Value: 96 (0x00000060)
int USB_TYPE_RESERVED
Reserved endpoint zero control request type (currently unused).
Constant Value: 96 (0x00000060)
int USB_TYPE_STANDARD
Used to specify that an endpoint zero control request is a standard request.
Constant Value: 0 (0x00000000)
int USB_TYPE_VENDOR
Used to specify that an endpoint zero control request is a vendor specific request.
Constant Value: 64 (0x00000040)