Add MIDI class driver, update MIDI device demo to use the new USB class driver. All device demos/projects have now been converted to the new library class drivers, although documentation is yet to be completed.
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Dean Camera
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13 changed files with 622 additions and 794 deletions
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@ -38,129 +38,21 @@
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/* Includes: */
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/USB/Class/Device/MIDI.h>
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#include <avr/pgmspace.h>
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/* Macros: */
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/** Descriptor header constant to indicate a Audio class interface descriptor. */
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#define DTYPE_AudioInterface 0x24
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/** Descriptor header constant to indicate a Audio class endpoint descriptor. */
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#define DTYPE_AudioEndpoint 0x25
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/** Audio class descriptor subtype value for a Audio class specific header descriptor. */
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#define DSUBTYPE_Header 0x01
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/** Audio class descriptor subtype value for a Audio class specific MIDI input jack descriptor. */
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#define DSUBTYPE_InputJack 0x02
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/** Audio class descriptor subtype value for a Audio class specific MIDI output jack descriptor. */
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#define DSUBTYPE_OutputJack 0x03
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/** Audio class descriptor subtype value for a general Audio class specific descriptor. */
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#define DSUBTYPE_General 0x01
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/** Audio class descriptor jack type value for an embedded (logical) MIDI input or output jack. */
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#define JACKTYPE_EMBEDDED 0x01
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/** Audio class descriptor jack type value for an external (physical) MIDI input or output jack. */
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#define JACKTYPE_EXTERNAL 0x02
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/** Endpoint number of the MIDI streaming data OUT endpoint, for host-to-device data transfers. */
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#define MIDI_STREAM_OUT_EPNUM 1
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/** Endpoint number of the MIDI streaming data IN endpoint, for device-to-host data transfers. */
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#define MIDI_STREAM_IN_EPNUM 2
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/** Endpoint number of the MIDI streaming data OUT endpoint, for host-to-device data transfers. */
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#define MIDI_STREAM_OUT_EPNUM 1
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/** Endpoint size in bytes of the Audio isochronous streaming data IN and OUT endpoints. */
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#define MIDI_STREAM_EPSIZE 64
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/* Type Defines: */
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/** Type define for an Audio class specific interface descriptor. This follows a regular interface descriptor to
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* supply extra information about the audio device's layout to the host. See the USB Audio specification for more
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* details.
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*/
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typedef struct
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{
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USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
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uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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uint16_t ACSpecification; /** Binary coded decimal value, indicating the supported Audio Class specification version */
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uint16_t TotalLength; /** Total length of the Audio class specific control descriptors, including this descriptor */
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uint8_t InCollection; /** Total number of audio class interfaces within this device */
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uint8_t InterfaceNumbers[1]; /** Interface numbers of each audio interface */
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} USB_AudioInterface_AC_t;
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/** Type define for an Audio class specific MIDI streaming interface descriptor. This indicates to the host
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* how MIDI the specification compliance of the device and the total length of the Audio class specific descriptors.
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* See the USB Audio specification for more details.
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*/
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typedef struct
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{
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USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
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uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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uint16_t AudioSpecification; /**< Binary coded decimal value, indicating the supported Audio Class specification version */
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uint16_t TotalLength; /**< Total length of the Audio class specific descriptors, including this descriptor */
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} USB_AudioInterface_MIDI_AS_t;
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/** Type define for an Audio class specific endpoint descriptor. This contains a regular endpoint
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* descriptor with a few Audio-class specific extensions. See the USB Audio specification for more details.
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*/
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typedef struct
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{
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USB_Descriptor_Endpoint_t Endpoint; /**< Standard endpoint descriptor describing the audio endpoint */
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uint8_t Refresh; /**< Always set to zero */
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uint8_t SyncEndpointNumber; /**< Endpoint address to send synchronisation information to, if needed (zero otherwise) */
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} USB_AudioStreamEndpoint_Std_t;
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/** Type define for an Audio class specific MIDI IN jack. This gives information to the host on a MIDI input, either
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* a physical input jack, or a logical jack (receiving input data internally, or from the host via an endpoint).
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*/
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typedef struct
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{
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USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
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uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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uint8_t JackType; /**< Type of jack, one of the JACKTYPE_* mask values */
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uint8_t JackID; /**< ID value of this jack - must be a unique value within the device */
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uint8_t JackStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
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} USB_MIDI_In_Jack_t;
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/** Type define for an Audio class specific MIDI OUT jack. This gives information to the host on a MIDI output, either
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* a physical output jack, or a logical jack (sending output data internally, or to the host via an endpoint).
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*/
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typedef struct
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{
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USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
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uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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uint8_t JackType; /**< Type of jack, one of the JACKTYPE_* mask values */
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uint8_t JackID; /**< ID value of this jack - must be a unique value within the device */
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uint8_t NumberOfPins; /**< Number of output channels within the jack, either physical or logical */
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uint8_t SourceJackID[1]; /**< ID of each output pin's source data jack */
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uint8_t SourcePinID[1]; /**< Pin number in the input jack of each output pin's source data */
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uint8_t JackStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
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} USB_MIDI_Out_Jack_t;
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/** Type define for an Audio class specific extended MIDI jack endpoint descriptor. This contains extra information
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* on the usage of MIDI endpoints used to stream MIDI events in and out of the USB Audio device, and follows an Audio
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* class specific extended MIDI endpoint descriptor. See the USB Audio specification for more details.
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*/
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typedef struct
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{
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USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
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uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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uint8_t TotalEmbeddedJacks; /**< Total number of jacks inside this endpoint */
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uint8_t AssociatedJackID[1]; /**< IDs of each jack inside the endpoint */
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} USB_MIDI_Jack_Endpoint_t;
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/** Type define for the device configuration descriptor structure. This must be defined in the
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* application code, as the configuration descriptor contains several sub-descriptors which
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* vary between devices, and which describe the device's usage to the host.
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