cdcgenericdescriptor.h

AT91SAM9263的USB Device端口驱动

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/*
    Title: CDCGenericDescriptor

    About: Purpose
        Definition of several constants for declaring CDC descriptors.
*/

#ifndef CDCGENERICDESCRIPTOR_H
#define CDCGENERICDESCRIPTOR_H

//------------------------------------------------------------------------------
//         Definitions
//------------------------------------------------------------------------------
/*
    Constants: CDC specification release numbers
        CDCGenericDescriptor_CDC1_10 - Identify CDC specification version 1.10.
*/
#define CDCGenericDescriptor_CDC1_10                            0x0110

/*
    Constants: CDC descriptor types
        CDCGenericDescriptor_INTERFACE - Indicates that a CDC descriptor applies
            to an interface.
        CDCGenericDescriptor_ENDPOINT - Indicates that a CDC descriptor applies
            to an endpoint.
*/
#define CDCGenericDescriptor_INTERFACE                          0x24
#define CDCGenericDescriptor_ENDPOINT                           0x25

/*
    Constants: CDC descriptor subtypes
        CDCGenericDescriptor_HEADER - Header functional descriptor subtype.
        CDCGenericDescriptor_CALLMANAGEMENT - Call management functional descriptor
            subtype.
        CDCGenericDescriptor_ABSTRACTCONTROLMANAGEMENT - Abstract control management
            descriptor subtype.
        CDCGenericDescriptor_UNION - Union descriptor subtype.
*/
#define CDCGenericDescriptor_HEADER                             0x00
#define CDCGenericDescriptor_CALLMANAGEMENT                     0x01
#define CDCGenericDescriptor_ABSTRACTCONTROLMANAGEMENT          0x02
#define CDCGenericDescriptor_UNION                              0x06

#endif //#ifndef CDCGENERICDESCRIPTOR_H