summaryrefslogtreecommitdiff
path: root/usb/common/core/USBDeviceQualifierDescriptor.h
blob: 3728865de9803ba9ab512f3b4dd0caad7633e84c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/* ----------------------------------------------------------------------------
 *         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

   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

personal git repositories of Harald Welte. Your mileage may vary