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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2008, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
/**
\unit
!!!Purpose
Definition of a class for manipulating USB interface descriptors.
!!!Usage
- Declare USBInterfaceDescriptor instance as a part of the configuration
descriptors of a USB device.
*/
#ifndef USBINTERFACEDESCRIPTOR_H
#define USBINTERFACEDESCRIPTOR_H
//------------------------------------------------------------------------------
// Types
//------------------------------------------------------------------------------
#ifdef __ICCARM__ // IAR
#pragma pack(1) // IAR
#define __attribute__(...) // IAR
#endif // IAR
//------------------------------------------------------------------------------
/// USB standard interface descriptor structure.
//------------------------------------------------------------------------------
typedef struct {
/// Size of the descriptor in bytes.
unsigned char bLength;
/// Descriptor type (USBGenericDescriptor_INTERFACE).
unsigned char bDescriptorType;
/// Number of the interface in its configuration.
unsigned char bInterfaceNumber;
/// Value to select this alternate interface setting.
unsigned char bAlternateSetting;
/// Number of endpoints used by the inteface (excluding endpoint 0).
unsigned char bNumEndpoints;
/// Interface class code.
unsigned char bInterfaceClass;
/// Interface subclass code.
unsigned char bInterfaceSubClass;
/// Interface protocol code.
unsigned char bInterfaceProtocol;
/// Index of the interface string descriptor.
unsigned char iInterface;
} __attribute__ ((packed)) USBInterfaceDescriptor; // GCC
#ifdef __ICCARM__ // IAR
#pragma pack() // IAR
#endif // IAR
#endif //#ifndef USBINTERFACEDESCRIPTOR_H
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