protocol/lufa/LUFA-git/Demos/Device/ClassDriver/VirtualSerialMassStorage/Descriptors.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2014.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2014  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 disclaims 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 /** \file
  32  *
  33  *  Header file for Descriptors.c.
  34  */
  35
  36 #ifndef _DESCRIPTORS_H_
  37 #define _DESCRIPTORS_H_
  38
  39         /* Includes: */
  40                 #include <avr/pgmspace.h>
  41
  42                 #include <LUFA/Drivers/USB/USB.h>
  43
  44                 #include "Config/AppConfig.h"
  45
  46         /* Macros: */
  47                 /** Endpoint address of the CDC device-to-host notification IN endpoint. */
  48                 #define CDC_NOTIFICATION_EPADDR        (ENDPOINT_DIR_IN  | 1)
  49
  50                 /** Endpoint address of the CDC device-to-host data IN endpoint. */
  51                 #define CDC_TX_EPADDR                  (ENDPOINT_DIR_IN  | 2)
  52
  53                 /** Endpoint address of the CDC host-to-device data OUT endpoint. */
  54                 #define CDC_RX_EPADDR                  (ENDPOINT_DIR_OUT | 3)
  55
  56                 /** Size in bytes of the CDC device-to-host notification IN endpoint. */
  57                 #define CDC_NOTIFICATION_EPSIZE        8
  58
  59                 /** Size in bytes of the CDC data IN and OUT endpoints. */
  60                 #define CDC_TXRX_EPSIZE                16
  61
  62                 /** Endpoint address of the Mass Storage device-to-host data IN endpoint. */
  63                 #define MASS_STORAGE_IN_EPADDR         (ENDPOINT_DIR_IN  | 4)
  64
  65                 /** Endpoint address of the Mass Storage host-to-device data OUT endpoint. */
  66                 #define MASS_STORAGE_OUT_EPADDR        (ENDPOINT_DIR_OUT | 5)
  67
  68                 /** Size in bytes of the Mass Storage data endpoints. */
  69                 #define MASS_STORAGE_IO_EPSIZE         64
  70
  71         /* Type Defines: */
  72                 /** Type define for the device configuration descriptor structure. This must be defined in the
  73                  *  application code, as the configuration descriptor contains several sub-descriptors which
  74                  *  vary between devices, and which describe the device's usage to the host.
  75                  */
  76                 typedef struct
  77                 {
  78                         USB_Descriptor_Configuration_Header_t    Config;
  79
  80                         // CDC Control Interface
  81                         USB_Descriptor_Interface_Association_t   CDC_IAD;
  82                         USB_Descriptor_Interface_t               CDC_CCI_Interface;
  83                         USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
  84                         USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
  85                         USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
  86                         USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
  87
  88                         // CDC Data Interface
  89                         USB_Descriptor_Interface_t               CDC_DCI_Interface;
  90                         USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
  91                         USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
  92
  93                         // Mass Storage Interface
  94                         USB_Descriptor_Interface_t               MS_Interface;
  95                         USB_Descriptor_Endpoint_t                MS_DataInEndpoint;
  96                         USB_Descriptor_Endpoint_t                MS_DataOutEndpoint;
  97                 } USB_Descriptor_Configuration_t;
  98
  99                 /** Enum for the device interface descriptor IDs within the device. Each interface descriptor
 100                  *  should have a unique ID index associated with it, which can be used to refer to the
 101                  *  interface from other descriptors.
 102                  */
 103                 enum InterfaceDescriptors_t
 104                 {
 105                         INTERFACE_ID_CDC_CCI     = 0, /**< CDC CCI interface descriptor ID */
 106                         INTERFACE_ID_CDC_DCI     = 1, /**< CDC DCI interface descriptor ID */
 107                         INTERFACE_ID_MassStorage = 2, /**< Mass storage interface descriptor ID */
 108                 };
 109
 110                 /** Enum for the device string descriptor IDs within the device. Each string descriptor should
 111                  *  have a unique ID index associated with it, which can be used to refer to the string from
 112                  *  other descriptors.
 113                  */
 114                 enum StringDescriptors_t
 115                 {
 116                         STRING_ID_Language     = 0, /**< Supported Languages string descriptor ID (must be zero) */
 117                         STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
 118                         STRING_ID_Product      = 2, /**< Product string ID */
 119                 };
 120
 121         /* Function Prototypes: */
 122                 uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
 123                                                     const uint8_t wIndex,
 124                                                     const void** const DescriptorAddress)
 125                                                     ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
 126
 127 #endif
 128