public class USB
extends java.lang.Object
Modifier and Type | Field and Description |
---|---|
static int |
FULLSPEED_MAX_BULK_PACKET_SIZE
The maximum packet size of a bulk transfer when operating in fullspeed
(12 MB/s) mode.
|
static int |
HIGHSPEED_MAX_BULK_PACKET_SIZE
The maximum packet size of a bulk transfer when operating in highspeed
(480 MB/s) mode.
|
static int |
REQ_CLEAR_FEATURE
This request is used to clear or disable a specific feature (USB spec
9.4.1).
|
static int |
REQ_GET_CONFIGURATION
This request returns the current device configuration value (USB spec
9.4.2).
|
static int |
REQ_GET_DESCRIPTOR
This request returns the specified descriptor if the descriptor exists
(USB spec 9.4.3).
|
static int |
REQ_GET_INTERFACE
This request returns the selected alternate setting for the specified
interface (USB spec 9.4.4).
|
static int |
REQ_GET_STATUS
This request returns status for the specified recipient (USB spec 9.4.5).
|
static int |
REQ_SET_ADDRESS
This request sets the device address for all future device accesses (USB
spec 9.4.6).
|
static int |
REQ_SET_CONFIGURATION
This request sets the device configuration (USB spec 9.4.7).
|
static int |
REQ_SET_DESCRIPTOR
This request is optional and may be used to update existing descriptors
or new descriptors may be added (USB spec 9.4.8).
|
static int |
REQ_SET_FEATURE
This request is used to set or enable a specific feature (USB spec
9.4.9).
|
static int |
REQ_SET_INTERFACE
This request allows the host to select an alternate setting for the
specified interface (USB spec 9.4.10).
|
static int |
REQ_SYNCH_FRAME
This request is used to set and then report an endpoint?s synchronization
frame (USB spec 9.4.11).
|
static int |
REQ_TYPE_DIR_DEVICE_TO_HOST
Identifies the direction of data transfer in the second phase of the
control transfer.
The state of the Direction bit is ignored if the wLength field is zero, signifying there is no Data stage. Specifies bit 7 of bmRequestType. |
static int |
REQ_TYPE_DIR_HOST_TO_DEVICE
Identifies the direction of data transfer in the second phase of the
control transfer.
The state of the Direction bit is ignored if the wLength field is zero, signifying there is no Data stage. Specifies bit 7 of bmRequestType. |
static int |
REQ_TYPE_RECIP_DEVICE
Specifies the intended recipient of the request.
Requests may be directed to the device, an interface on the device, or a specific endpoint on a device. |
static int |
REQ_TYPE_RECIP_ENDPOINT
Specifies the intended recipient of the request.
Requests may be directed to the device, an interface on the device, or a specific endpoint on a device. |
static int |
REQ_TYPE_RECIP_INTERFACE
Specifies the intended recipient of the request.
Requests may be directed to the device, an interface on the device, or a specific endpoint on a device. |
static int |
REQ_TYPE_RECIP_OTHER
Specifies the intended recipient of the request.
Requests may be directed to the device, an interface on the device, or a specific endpoint on a device. |
static int |
REQ_TYPE_TYPE_CLASS
Specifies the type of the request.
Specifies bits 6..5 of bmRequestType. |
static int |
REQ_TYPE_TYPE_RESERVED
Specifies the type of the request.
Specifies bits 6..5 of bmRequestType. |
static int |
REQ_TYPE_TYPE_STANDARD
Specifies the type of the request.
Specifies bits 6..5 of bmRequestType. |
static int |
REQ_TYPE_TYPE_VENDOR
Specifies the type of the request.
Specifies bits 6..5 of bmRequestType. |
Constructor and Description |
---|
USB() |
Modifier and Type | Method and Description |
---|---|
static Usb_Bus |
getBus()
Returns the root
Usb_Bus element. |
static Device |
getDevice(short idVendor,
short idProduct)
|
static Device |
getDevice(short idVendor,
short idProduct,
java.lang.String filename)
Create a new device an register it in a device queue.
|
static void |
init()
Explicitly calls
LibusbJava.usb_init() . |
public static final int REQ_GET_STATUS
public static final int REQ_CLEAR_FEATURE
public static final int REQ_SET_FEATURE
public static final int REQ_SET_ADDRESS
public static final int REQ_GET_DESCRIPTOR
public static final int REQ_SET_DESCRIPTOR
public static final int REQ_GET_CONFIGURATION
public static final int REQ_SET_CONFIGURATION
public static final int REQ_GET_INTERFACE
public static final int REQ_SET_INTERFACE
public static final int REQ_SYNCH_FRAME
public static final int REQ_TYPE_DIR_HOST_TO_DEVICE
public static final int REQ_TYPE_DIR_DEVICE_TO_HOST
public static final int REQ_TYPE_TYPE_STANDARD
public static final int REQ_TYPE_TYPE_CLASS
public static final int REQ_TYPE_TYPE_VENDOR
public static final int REQ_TYPE_TYPE_RESERVED
public static final int REQ_TYPE_RECIP_DEVICE
public static final int REQ_TYPE_RECIP_INTERFACE
public static final int REQ_TYPE_RECIP_ENDPOINT
public static final int REQ_TYPE_RECIP_OTHER
public static int HIGHSPEED_MAX_BULK_PACKET_SIZE
public static int FULLSPEED_MAX_BULK_PACKET_SIZE
public static Device getDevice(short idVendor, short idProduct, java.lang.String filename)
idVendor
- the vendor id of the USB deviceidProduct
- the product id of the USB devicefilename
- an optional filename which can be used to distinguish multiple
devices with the same vendor and product id.public static Device getDevice(short idVendor, short idProduct)
getDevice(short, short, String)
. The parameter
filename
is set to null.idVendor
- idProduct
- public static Usb_Bus getBus() throws USBException
Usb_Bus
element.Usb_Bus
elementUSBException
public static void init()
LibusbJava.usb_init()
. Note that you don't need
to call this procedure as it is called implicitly when creating a new
device with getDevice(short, short, String)
.