80 lines
3.0 KiB
C
80 lines
3.0 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/**
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\unit
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!!!Purpose
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Definition of a class for manipulating CDC union descriptors.
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!!!Usage
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Should be included in the list of USB descriptor used for a device
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configuration.
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*/
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#ifndef CDCUNIONDESCRIPTOR_H
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#define CDCUNIONDESCRIPTOR_H
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//------------------------------------------------------------------------------
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// Types
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//------------------------------------------------------------------------------
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#ifdef __ICCARM__ // IAR
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#pragma pack(1) // IAR
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#define __attribute__(...) // IAR
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#endif // IAR
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//------------------------------------------------------------------------------
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/// Describes the relationship between a group of interfaces that can
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/// be considered to form a functional unit.
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//------------------------------------------------------------------------------
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typedef struct {
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/// Size of the descriptor in bytes.
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unsigned char bFunctionLength;
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/// Descriptor type (CDCDescriptors_INTERFACE).
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unsigned char bDescriptorType;
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/// Descriptor subtype (CDCDescriptors_UNION).
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unsigned char bDescriptorSubtype;
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/// Number of the master interface for this union.
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unsigned char bMasterInterface;
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/// Number of the first slave interface for this union.
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unsigned char bSlaveInterface0;
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} __attribute__ ((packed)) CDCUnionDescriptor; // GCC
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#ifdef __ICCARM__ // IAR
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#pragma pack() // IAR
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#endif // IAR
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#endif //#ifndef CDCUNIONDESCRIPTOR_H
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