-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Common definitions and declarations for the library USB MIDI Class driver.
- *
- * Common definitions and declarations for the library USB MIDI Class driver.
- *
- * \note This file should not be included directly. It is automatically included as needed by the USB module driver
- * dispatch header located in LUFA/Drivers/USB.h.
- */
-
-/** \ingroup Group_USBClassMIDI
- * \defgroup Group_USBClassMIDICommon Common Class Definitions
- *
- * \section Sec_ModDescription Module Description
- * Constants, Types and Enum definitions that are common to both Device and Host modes for the USB
- * MIDI Class.
- *
- * @{
- */
-
-#ifndef _MIDI_CLASS_COMMON_H_
-#define _MIDI_CLASS_COMMON_H_
-
- /* Macros: */
- #define __INCLUDE_FROM_AUDIO_DRIVER
-
- /* Includes: */
- #include "../../Core/StdDescriptors.h"
- #include "Audio.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_MIDI_DRIVER)
- #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
- #endif
-
- /* Macros: */
- /** \name MIDI Command Values */
- //@{
- /** MIDI command for a note on (activation) event. */
- #define MIDI_COMMAND_NOTE_ON 0x90
-
- /** MIDI command for a note off (deactivation) event. */
- #define MIDI_COMMAND_NOTE_OFF 0x80
- //@}
-
- /** Standard key press velocity value used for all note events. */
- #define MIDI_STANDARD_VELOCITY 64
-
- /** Convenience macro. MIDI channels are numbered from 1-10 (natural numbers) however the logical channel
- * addresses are zero-indexed. This converts a natural MIDI channel number into the logical channel address.
- *
- * \param[in] channel MIDI channel number to address.
- */
- #define MIDI_CHANNEL(channel) ((channel) - 1)
-
- /* Enums: */
- /** Enum for the possible MIDI jack types in a MIDI device jack descriptor. */
- enum MIDI_JackTypes_t
- {
- MIDI_JACKTYPE_Embedded = 0x01, /**< MIDI class descriptor jack type value for an embedded (logical) MIDI input or output jack. */
- MIDI_JACKTYPE_External = 0x02, /**< MIDI class descriptor jack type value for an external (physical) MIDI input or output jack. */
- };
-
- /* Type Defines: */
- /** \brief MIDI class-specific Streaming Interface Descriptor (LUFA naming conventions).
- *
- * Type define for an Audio class-specific MIDI streaming interface descriptor. This indicates to the host
- * how MIDI the specification compliance of the device and the total length of the Audio class-specific descriptors.
- * See the USB Audio specification for more details.
- *
- * \see \ref USB_MIDI_StdDescriptor_AudioInterface_AS_t for the version of this type with standard element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length. */
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint16_t AudioSpecification; /**< Binary coded decimal value, indicating the supported Audio Class
- * specification version.
- */
- uint16_t TotalLength; /**< Total length of the Audio class-specific descriptors, including this descriptor. */
- } ATTR_PACKED USB_MIDI_Descriptor_AudioInterface_AS_t;
-
- /** \brief MIDI class-specific Streaming Interface Descriptor (USB-IF naming conventions).
- *
- * Type define for an Audio class-specific MIDI streaming interface descriptor. This indicates to the host
- * how MIDI the specification compliance of the device and the total length of the Audio class-specific descriptors.
- * See the USB Audio specification for more details.
- *
- * \see \ref USB_MIDI_Descriptor_AudioInterface_AS_t for the version of this type with non-standard LUFA specific
- * element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- uint8_t bLength; /**< Size of the descriptor, in bytes. */
- uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
- * given by the specific class.
- */
-
- uint8_t bDescriptorSubtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint16_t bcdMSC; /**< Binary coded decimal value, indicating the supported MIDI Class specification version. */
- uint16_t wTotalLength; /**< Total length of the Audio class-specific descriptors, including this descriptor. */
- } ATTR_PACKED USB_MIDI_StdDescriptor_AudioInterface_AS_t;
-
- /** \brief MIDI class-specific Input Jack Descriptor (LUFA naming conventions).
- *
- * Type define for an Audio class-specific MIDI IN jack. This gives information to the host on a MIDI input, either
- * a physical input jack, or a logical jack (receiving input data internally, or from the host via an endpoint).
- *
- * \see \ref USB_MIDI_StdDescriptor_InputJack_t for the version of this type with standard element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length. */
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint8_t JackType; /**< Type of jack, one of the \c JACKTYPE_* mask values. */
- uint8_t JackID; /**< ID value of this jack - must be a unique value within the device. */
-
- uint8_t JackStrIndex; /**< Index of a string descriptor describing this descriptor within the device. */
- } ATTR_PACKED USB_MIDI_Descriptor_InputJack_t;
-
- /** \brief MIDI class-specific Input Jack Descriptor (USB-IF naming conventions).
- *
- * Type define for an Audio class-specific MIDI IN jack. This gives information to the host on a MIDI input, either
- * a physical input jack, or a logical jack (receiving input data internally, or from the host via an endpoint).
- *
- * \see \ref USB_MIDI_Descriptor_InputJack_t for the version of this type with non-standard LUFA specific
- * element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- uint8_t bLength; /**< Size of the descriptor, in bytes. */
- uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
- * given by the specific class.
- */
-
- uint8_t bDescriptorSubtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint8_t bJackType; /**< Type of jack, one of the \c JACKTYPE_* mask values. */
- uint8_t bJackID; /**< ID value of this jack - must be a unique value within the device. */
-
- uint8_t iJack; /**< Index of a string descriptor describing this descriptor within the device. */
- } ATTR_PACKED USB_MIDI_StdDescriptor_InputJack_t;
-
- /** \brief MIDI class-specific Output Jack Descriptor (LUFA naming conventions).
- *
- * Type define for an Audio class-specific MIDI OUT jack. This gives information to the host on a MIDI output, either
- * a physical output jack, or a logical jack (sending output data internally, or to the host via an endpoint).
- *
- * \see \ref USB_MIDI_StdDescriptor_OutputJack_t for the version of this type with standard element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length. */
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint8_t JackType; /**< Type of jack, one of the \c JACKTYPE_* mask values. */
- uint8_t JackID; /**< ID value of this jack - must be a unique value within the device. */
-
- uint8_t NumberOfPins; /**< Number of output channels within the jack, either physical or logical. */
- uint8_t SourceJackID[1]; /**< ID of each output pin's source data jack. */
- uint8_t SourcePinID[1]; /**< Pin number in the input jack of each output pin's source data. */
-
- uint8_t JackStrIndex; /**< Index of a string descriptor describing this descriptor within the device. */
- } ATTR_PACKED USB_MIDI_Descriptor_OutputJack_t;
-
- /** \brief MIDI class-specific Output Jack Descriptor (USB-IF naming conventions).
- *
- * Type define for an Audio class-specific MIDI OUT jack. This gives information to the host on a MIDI output, either
- * a physical output jack, or a logical jack (sending output data internally, or to the host via an endpoint).
- *
- * \see \ref USB_MIDI_Descriptor_OutputJack_t for the version of this type with non-standard LUFA specific
- * element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- uint8_t bLength; /**< Size of the descriptor, in bytes. */
- uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
- * given by the specific class.
- */
-
- uint8_t bDescriptorSubtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint8_t bJackType; /**< Type of jack, one of the \c JACKTYPE_* mask values. */
- uint8_t bJackID; /**< ID value of this jack - must be a unique value within the device. */
-
- uint8_t bNrInputPins; /**< Number of output channels within the jack, either physical or logical. */
- uint8_t baSourceID[1]; /**< ID of each output pin's source data jack. */
- uint8_t baSourcePin[1]; /**< Pin number in the input jack of each output pin's source data. */
-
- uint8_t iJack; /**< Index of a string descriptor describing this descriptor within the device. */
- } ATTR_PACKED USB_MIDI_StdDescriptor_OutputJack_t;
-
- /** \brief Audio class-specific Jack Endpoint Descriptor (LUFA naming conventions).
- *
- * Type define for an Audio class-specific extended MIDI jack endpoint descriptor. This contains extra information
- * on the usage of MIDI endpoints used to stream MIDI events in and out of the USB Audio device, and follows an Audio
- * class-specific extended MIDI endpoint descriptor. See the USB Audio specification for more details.
- *
- * \see \ref USB_MIDI_StdDescriptor_Jack_Endpoint_t for the version of this type with standard element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length. */
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint8_t TotalEmbeddedJacks; /**< Total number of jacks inside this endpoint. */
- uint8_t AssociatedJackID[1]; /**< IDs of each jack inside the endpoint. */
- } ATTR_PACKED USB_MIDI_Descriptor_Jack_Endpoint_t;
-
- /** \brief Audio class-specific Jack Endpoint Descriptor (USB-IF naming conventions).
- *
- * Type define for an Audio class-specific extended MIDI jack endpoint descriptor. This contains extra information
- * on the usage of MIDI endpoints used to stream MIDI events in and out of the USB Audio device, and follows an Audio
- * class-specific extended MIDI endpoint descriptor. See the USB Audio specification for more details.
- *
- * \see \ref USB_MIDI_Descriptor_Jack_Endpoint_t for the version of this type with non-standard LUFA specific
- * element names.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- uint8_t bLength; /**< Size of the descriptor, in bytes. */
- uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
- * given by the specific class.
- */
-
- uint8_t bDescriptorSubtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
-
- uint8_t bNumEmbMIDIJack; /**< Total number of jacks inside this endpoint. */
- uint8_t bAssocJackID[1]; /**< IDs of each jack inside the endpoint. */
- } ATTR_PACKED USB_MIDI_StdDescriptor_Jack_Endpoint_t;
-
- /** \brief MIDI Class Driver Event Packet.
- *
- * Type define for a USB MIDI event packet, used to encapsulate sent and received MIDI messages from a USB MIDI interface.
- *
- * \note Regardless of CPU architecture, these values should be stored as little endian.
- */
- typedef struct
- {
- unsigned Command : 4; /**< Upper nibble of the MIDI command being sent or received in the event packet. */
- unsigned CableNumber : 4; /**< Virtual cable number of the event being sent or received in the given MIDI interface. */
-
- uint8_t Data1; /**< First byte of data in the MIDI event. */
- uint8_t Data2; /**< Second byte of data in the MIDI event. */
- uint8_t Data3; /**< Third byte of data in the MIDI event. */
- } ATTR_PACKED MIDI_EventPacket_t;
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
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