usb_standard_interface_descriptor_t Struct Reference
[Base USB library]

Standard USB interface descriptor. More...

#include <descriptor.h>

Data Fields
uint8_t	alternate_setting
	Alternate setting for value in interface_number.
uint8_t	descriptor_type
	Descriptor type (USB_DESCTYPE_INTERFACE).
uint8_t	endpoint_count
	Number of endpoints used by this interface.
uint8_t	interface_class
	Class code.
uint8_t	interface_number
	Number of interface.
uint8_t	interface_protocol
	Protocol code.
uint8_t	interface_subclass
	Subclass code.
uint8_t	length
	Size of this descriptor in bytes.
uint8_t	str_interface
	String descriptor describing this interface.

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Detailed Description

Standard USB interface descriptor.

Definition at line 120 of file descriptor.h.

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Field Documentation

uint8_t endpoint_count

Number of endpoints used by this interface.

This number must exclude usage of endpoint zero (default control pipe).

Definition at line 135 of file descriptor.h.

uint8_t interface_number

Number of interface.

Zero-based index into array of interfaces for current configuration.

Definition at line 128 of file descriptor.h.

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

• doxygen-tmp/development_branch/uspace/lib/usb/include/usb/descriptor.h

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