usb_cdc_union_desc Struct Reference

Union Functional Descriptor. More...

#include <usb_cdc.h>

Data Fields
uint8_t	bFunctionLength
	Size of this functional descriptor, in bytes.
uint8_t	bDescriptorType
	CS_INTERFACE descriptor type.
uint8_t	bDescriptorSubType
	Union Functional Descriptor.
uint8_t	bMasterInterface0
	The interface number of the CDC interface designated as the master or controlling interface for the union.
uint8_t	bSlaveInterface0
	Interface number of first slave or associated interface in the union.

Detailed Description

Union Functional Descriptor.

The Union functional descriptor describes the relationship between a group of interfaces that can be considered to form a functional unit. It can only occur within the class-specific portion of an Interface descriptor. One of the interfaces in the group is designated as a master or controlling interface for the group, and certain class-specific messages can be sent to this interface to act upon the group as a whole.

Definition at line 205 of file usb_cdc.h.

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

• usb_cdc.h