Demos/Device/Incomplete/Sideshow/Lib/SideshowCommon.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2012.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 #ifndef _SIDESHOW_COMMON_H_
  32 #define _SIDESHOW_COMMON_H_
  33
  34         /* Includes: */
  35                 #include <avr/io.h>
  36                 #include <string.h>
  37
  38                 #include <LUFA/Drivers/USB/USB.h>
  39
  40         /* Macros: */
  41                 #define GUID_COMPARE(a, b)                (memcmp(a, b, sizeof(GUID_t)) == 0)
  42
  43                 #define ARRAY_ELEMENTS(x)                 (sizeof(x) / sizeof(x[0]))
  44
  45                 #define UNICODE_STRING_t(x)               struct                          \
  46                                                           {                               \
  47                                                               uint16_t LengthInBytes;     \
  48                                                               int      UnicodeString[x];  \
  49                                                           }
  50
  51                 // {A33F248B-882F-4531-82C2-ED3B90C5C520}
  52                 #define STANDARD_PROTOCOL_GUID            {0xA33F248B, 0x4531882F, 0x3BEDC282, 0x20C5C590}
  53                 // {A9A5353F-2D4B-47CE-93EE-759F3A7DDA4F}
  54                 #define SIMPLE_CONTENT_FORMAT_GUID        {0xA9A5353F, 0x47CE2D4B, 0x9F75EE93, 0x4FDA7D3A}
  55                 // {8ABC88A8-857B-4ad7-A35A-B5942F492B99}
  56                 #define SIDESHOW_PROPERTY_GUID            {0x8ABC88A8, 0x4AD7857B, 0x94B55AA3, 0x992B492F}
  57                 // {26D4979A-E643-4626-9E2B-736DC0C92FDC}
  58                 #define DEVICE_PROPERTY_GUID              {0x26D4979A, 0x4626E643, 0x6D732B9E, 0xDC2FC9C0}
  59
  60                 #define SECURITY_INTERACTIVE_RID_SID      L"S-1-5-4"
  61
  62                 #define MAX_APPLICATIONS                  4
  63                 #define MAX_CONTENTBUFFER_PER_APP         1024
  64
  65         /* Type Defines: */
  66                 typedef struct
  67                 {
  68                         uint32_t Chunks[4];
  69                 } GUID_t;
  70
  71                 typedef struct
  72                 {
  73                         uint16_t LengthInBytes;
  74                         int      UnicodeString[];
  75                 } Unicode_String_t;
  76
  77                 typedef union
  78                 {
  79                         uint32_t TypeLong;
  80
  81                         struct
  82                         {
  83                                 uint8_t  TypeBytes[3];
  84
  85                                 unsigned ErrorCode     : 6;
  86                                 unsigned NAK           : 1;
  87                                 unsigned Response      : 1;
  88                         } TypeFields;
  89                 } SideShowPacketType_t;
  90
  91                 typedef struct
  92                 {
  93                         uint32_t             Length;
  94                         SideShowPacketType_t Type;
  95                         uint16_t             Number;
  96                 } SideShow_PacketHeader_t;
  97
  98         /* Function Prototypes: */
  99                 uint16_t SideShow_Read_Unicode_String(void* UnicodeString,
 100                                                       const uint16_t MaxBytes);
 101                 void     SideShow_Write_Unicode_String(void* UnicodeString);
 102                 void     SideShow_Discard_Byte_Stream(void);
 103
 104 #endif
 105