Projects/MIDIToneGenerator/Descriptors.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2018.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2018  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 <LUFA/Drivers/USB/USB.h>
  41
  42                 #include <avr/pgmspace.h>
  43
  44                 #include "Config/AppConfig.h"
  45
  46         /* Macros: */
  47                 /** Endpoint address of the MIDI streaming data IN endpoint, for device-to-host data transfers. */
  48                 #define MIDI_STREAM_IN_EPADDR       (ENDPOINT_DIR_IN  | 2)
  49
  50                 /** Endpoint address of the MIDI streaming data OUT endpoint, for host-to-device data transfers. */
  51                 #define MIDI_STREAM_OUT_EPADDR      (ENDPOINT_DIR_OUT | 1)
  52
  53                 /** Endpoint size in bytes of the Audio isochronous streaming data IN and OUT endpoints. */
  54                 #define MIDI_STREAM_EPSIZE          64
  55
  56         /* Type Defines: */
  57                 /** Type define for the device configuration descriptor structure. This must be defined in the
  58                  *  application code, as the configuration descriptor contains several sub-descriptors which
  59                  *  vary between devices, and which describe the device's usage to the host.
  60                  */
  61                 typedef struct
  62                 {
  63                         USB_Descriptor_Configuration_Header_t     Config;
  64
  65                         // MIDI Audio Control Interface
  66                         USB_Descriptor_Interface_t                Audio_ControlInterface;
  67                         USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
  68
  69                         // MIDI Audio Streaming Interface
  70                         USB_Descriptor_Interface_t                Audio_StreamInterface;
  71                         USB_MIDI_Descriptor_AudioInterface_AS_t   Audio_StreamInterface_SPC;
  72                         USB_MIDI_Descriptor_InputJack_t           MIDI_In_Jack_Emb;
  73                         USB_MIDI_Descriptor_InputJack_t           MIDI_In_Jack_Ext;
  74                         USB_MIDI_Descriptor_OutputJack_t          MIDI_Out_Jack_Emb;
  75                         USB_MIDI_Descriptor_OutputJack_t          MIDI_Out_Jack_Ext;
  76                         USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_In_Jack_Endpoint;
  77                         USB_MIDI_Descriptor_Jack_Endpoint_t       MIDI_In_Jack_Endpoint_SPC;
  78                         USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_Out_Jack_Endpoint;
  79                         USB_MIDI_Descriptor_Jack_Endpoint_t       MIDI_Out_Jack_Endpoint_SPC;
  80                 } USB_Descriptor_Configuration_t;
  81
  82                 /** Enum for the device interface descriptor IDs within the device. Each interface descriptor
  83                  *  should have a unique ID index associated with it, which can be used to refer to the
  84                  *  interface from other descriptors.
  85                  */
  86                 enum InterfaceDescriptors_t
  87                 {
  88                         INTERFACE_ID_AudioControl = 0, /**< Audio control interface descriptor ID */
  89                         INTERFACE_ID_AudioStream  = 1, /**< Audio stream interface descriptor ID */
  90                 };
  91
  92                 /** Enum for the device string descriptor IDs within the device. Each string descriptor should
  93                  *  have a unique ID index associated with it, which can be used to refer to the string from
  94                  *  other descriptors.
  95                  */
  96                 enum StringDescriptors_t
  97                 {
  98                         STRING_ID_Language     = 0, /**< Supported Languages string descriptor ID (must be zero) */
  99                         STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
 100                         STRING_ID_Product      = 2, /**< Product string ID */
 101                 };
 102
 103         /* Function Prototypes: */
 104                 uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
 105                                                     const uint16_t wIndex,
 106                                                     const void** const DescriptorAddress)
 107                                                     ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
 108
 109 #endif
 110