libusb_usb_2_0_extension_descriptor Struct Reference
[USB descriptors]

A structure representing the USB 2.0 Extension descriptor This descriptor is documented in section 9.6.2.1 of the USB 3.0 specification. More...

#include <libusb.h>


Data Fields

uint8_t bLength
 Size of this descriptor (in bytes).
uint8_t bDescriptorType
 Descriptor type.
uint8_t bDevCapabilityType
 Capability type.
uint32_t bmAttributes
 Bitmap encoding of supported device level features.


Detailed Description

A structure representing the USB 2.0 Extension descriptor This descriptor is documented in section 9.6.2.1 of the USB 3.0 specification.

All multiple-byte fields are represented in host-endian format.


Field Documentation

Descriptor type.

Will have value libusb_descriptor_type::LIBUSB_DT_DEVICE_CAPABILITY LIBUSB_DT_DEVICE_CAPABILITY in this context.

Capability type.

Will have value libusb_capability_type::LIBUSB_BT_USB_2_0_EXTENSION LIBUSB_BT_USB_2_0_EXTENSION in this context.

Bitmap encoding of supported device level features.

A value of one in a bit location indicates a feature is supported; a value of zero indicates it is not supported. See libusb_usb_2_0_extension_attributes.


The documentation for this struct was generated from the following file:

Generated on Thu Jan 30 21:41:41 2014 by  doxygen 1.5.6