usbdevicequalifierdescriptor.h

Include startup files and peripherial devices Code for Atmel ARM7 development

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 *         ATMEL Microcontroller Software Support 
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 * Copyright (c) 2008, Atmel Corporation
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/**
 \unit

 !!!Purpose

   Class for manipulating USB device qualifier descriptors.

 !!!Usage

   - Declare a USBDeviceQualifierDescriptor instance as the device qualifier
     descriptor of a USB device.
*/

#ifndef USBDEVICEQUALIFIERDESCRIPTOR_H
#define USBDEVICEQUALIFIERDESCRIPTOR_H

//------------------------------------------------------------------------------
//         Types
//------------------------------------------------------------------------------

#ifdef __ICCARM__          // IAR
#pragma pack(1)            // IAR
#define __attribute__(...) // IAR
#endif                     // IAR

//------------------------------------------------------------------------------
/// Alternate device descriptor indicating the capabilities of the device
/// in full-speed, if currently in high-speed; or in high-speed, if it is
/// currently in full-speed. Only relevant for devices supporting the
/// high-speed mode.
//------------------------------------------------------------------------------
typedef struct {

   /// Size of the descriptor in bytes.
   unsigned char bLength;
   /// Descriptor type (USBDESC_DEVICE_QUALIFIER or "USB device types").
   unsigned char bDescriptorType;
   /// USB specification release number (in BCD format).
   unsigned short bcdUSB;
   /// Device class code.
   unsigned char bDeviceClass;
   /// Device subclass code.
   unsigned char bDeviceSubClass;
   /// Device protocol code.
   unsigned char bDeviceProtocol;
   /// Maximum packet size of endpoint 0.
   unsigned char bMaxPacketSize0;
   /// Number of possible configurations for the device.
   unsigned char bNumConfigurations;
   /// Reserved.
   unsigned char bReserved;         

} __attribute__ ((packed)) USBDeviceQualifierDescriptor; // GCC

#ifdef __ICCARM__          // IAR
#pragma pack()             // IAR
#endif                     // IAR

#endif //#ifndef USBDEVICEQUALIFIERDESCRIPTOR_H