/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
*
* 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 class driver
- * dispatch header located in LUFA/Drivers/USB/Class/MIDI.h.
+ * \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
+ * \defgroup Group_USBClassMIDICommon Common Class Definitions
*
- * \section Module Description
+ * \section Sec_ModDescription Module Description
* Constants, Types and Enum definitions that are common to both Device and Host modes for the USB
* MIDI Class.
*
#define __INCLUDE_FROM_AUDIO_DRIVER
/* Includes: */
- #include "../../USB.h"
+ #include "../../Core/StdDescriptors.h"
#include "Audio.h"
- #include <string.h>
-
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_MIDI_DRIVER)
- #error Do not include this file directly. Include LUFA/Drivers/Class/MIDI.h instead.
+ #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
-
- /* Macros: */
- /** Audio class descriptor subtype value for a Audio class-specific MIDI input jack descriptor. */
- #define DSUBTYPE_InputJack 0x02
-
- /** Audio class descriptor subtype value for a Audio class-specific MIDI output jack descriptor. */
- #define DSUBTYPE_OutputJack 0x03
-
- /** Audio class descriptor jack type value for an embedded (logical) MIDI input or output jack. */
- #define MIDI_JACKTYPE_EMBEDDED 0x01
-
- /** Audio class descriptor jack type value for an external (physical) MIDI input or output jack. */
- #define MIDI_JACKTYPE_EXTERNAL 0x02
+ /* 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).
*
* 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.
- */
+ * specification version.
+ */
uint16_t TotalLength; /**< Total length of the Audio class-specific descriptors, including this descriptor. */
- } USB_MIDI_Descriptor_AudioInterface_AS_t;
-
+ } 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
*
* \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 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. */
- } USB_MIDI_StdDescriptor_AudioInterface_AS_t;
+ } ATTR_PACKED USB_MIDI_StdDescriptor_AudioInterface_AS_t;
/** \brief MIDI class-specific Input Jack Descriptor (LUFA naming conventions).
*
* 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 JACKTYPE_* mask values. */
+ 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. */
- } USB_MIDI_Descriptor_InputJack_t;
+ 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).
*
*
* \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 bDescriptorSubtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
- uint8_t bJackType; /**< Type of jack, one of the JACKTYPE_* mask values. */
+ 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. */
- } USB_MIDI_StdDescriptor_InputJack_t;
+ } ATTR_PACKED USB_MIDI_StdDescriptor_InputJack_t;
/** \brief MIDI class-specific Output Jack Descriptor (LUFA naming conventions).
*
* 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 JACKTYPE_* mask values. */
+ 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. */
- } USB_MIDI_Descriptor_OutputJack_t;
-
+ } 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
*
* \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 bDescriptorSubtype; /**< Sub type value used to distinguish between audio class-specific descriptors. */
- uint8_t bJackType; /**< Type of jack, one of the JACKTYPE_* mask values. */
+ 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. */
- } USB_MIDI_StdDescriptor_OutputJack_t;
+ } ATTR_PACKED USB_MIDI_StdDescriptor_OutputJack_t;
/** \brief Audio class-specific Jack Endpoint Descriptor (LUFA naming conventions).
*
* 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
{
uint8_t TotalEmbeddedJacks; /**< Total number of jacks inside this endpoint. */
uint8_t AssociatedJackID[1]; /**< IDs of each jack inside the endpoint. */
- } USB_MIDI_Descriptor_Jack_Endpoint_t;
+ } ATTR_PACKED USB_MIDI_Descriptor_Jack_Endpoint_t;
/** \brief Audio class-specific Jack Endpoint Descriptor (USB-IF naming conventions).
*
*
* \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 bNumEmbMIDIJack; /**< Total number of jacks inside this endpoint. */
uint8_t bAssocJackID[1]; /**< IDs of each jack inside the endpoint. */
- } USB_MIDI_StdDescriptor_Jack_Endpoint_t;
+ } 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 char Command : 4; /**< Upper nibble of the MIDI command being sent or received in the event packet. */
- unsigned char 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. */
- } MIDI_EventPacket_t;
+ 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
/** @} */
+