#include <avr/pgmspace.h>
/* Macros: */
- /** Audio class descriptor subtype value for a Audio class specific header descriptor. */
- #define DSUBTYPE_AudioHeader 0x01
-
- /** 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 subtype value for a general Audio class specific descriptor. */
- #define DSUBTYPE_General 0x01
-
- /** Audio class descriptor jack type value for an embedded (logical) MIDI input or output jack. */
- #define JACKTYPE_EMBEDDED 0x01
-
- /** Audio class descriptor jack type value for an external (physical) MIDI input or output jack. */
- #define JACKTYPE_EXTERNAL 0x02
-
/** Endpoint number of the MIDI streaming data IN endpoint, for device-to-host data transfers. */
#define MIDI_STREAM_IN_EPNUM 1
#define MIDI_STREAM_EPSIZE 64
/* Type Defines: */
- /** Type define for an Audio class specific interface descriptor. This follows a regular interface descriptor to
- * supply extra information about the audio device's layout to the host. See the USB Audio specification for more
- * details.
- */
- 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 control descriptors, including this descriptor */
-
- uint8_t InCollection; /**< Total number of audio class interfaces within this device */
- uint8_t InterfaceNumbers[1]; /**< Interface numbers of each audio interface */
- } USB_Audio_Interface_AC_t;
-
- /** 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.
- */
- 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 */
- } USB_Audio_Interface_MIDI_AS_t;
-
- /** Type define for an Audio class specific endpoint descriptor. This contains a regular endpoint
- * descriptor with a few Audio-class specific extensions. See the USB Audio specification for more details.
- */
- typedef struct
- {
- USB_Descriptor_Endpoint_t Endpoint; /**< Standard endpoint descriptor describing the audio endpoint */
-
- uint8_t Refresh; /**< Always set to zero */
- uint8_t SyncEndpointNumber; /**< Endpoint address to send synchronization information to, if needed (zero otherwise) */
- } USB_Audio_StreamEndpoint_Std_t;
-
- /** 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).
- */
- 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 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_In_Jack_t;
-
- /** 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).
- */
- 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 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_Out_Jack_t;
-
- /** 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.
- */
- 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 */
- } USB_MIDI_Jack_Endpoint_t;
-
/** Type define for the device configuration descriptor structure. This must be defined in the
* application code, as the configuration descriptor contains several sub-descriptors which
* vary between devices, and which describe the device's usage to the host.
*/
typedef struct
{
- USB_Descriptor_Configuration_Header_t Config;
- USB_Descriptor_Interface_t Audio_ControlInterface;
- USB_Audio_Interface_AC_t Audio_ControlInterface_SPC;
- USB_Descriptor_Interface_t Audio_StreamInterface;
- USB_Audio_Interface_MIDI_AS_t Audio_StreamInterface_SPC;
- USB_MIDI_In_Jack_t MIDI_In_Jack_Emb;
- USB_MIDI_In_Jack_t MIDI_In_Jack_Ext;
- USB_MIDI_Out_Jack_t MIDI_Out_Jack_Emb;
- USB_MIDI_Out_Jack_t MIDI_Out_Jack_Ext;
- USB_Audio_StreamEndpoint_Std_t MIDI_In_Jack_Endpoint;
- USB_MIDI_Jack_Endpoint_t MIDI_In_Jack_Endpoint_SPC;
- USB_Audio_StreamEndpoint_Std_t MIDI_Out_Jack_Endpoint;
- USB_MIDI_Jack_Endpoint_t MIDI_Out_Jack_Endpoint_SPC;
+ USB_Descriptor_Configuration_Header_t Config;
+ USB_Descriptor_Interface_t Audio_ControlInterface;
+ USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
+ USB_Descriptor_Interface_t Audio_StreamInterface;
+ USB_MIDI_Descriptor_AudioInterface_AS_t Audio_StreamInterface_SPC;
+ USB_MIDI_Descriptor_InputJack_t MIDI_In_Jack_Emb;
+ USB_MIDI_Descriptor_InputJack_t MIDI_In_Jack_Ext;
+ USB_MIDI_Descriptor_OutputJack_t MIDI_Out_Jack_Emb;
+ USB_MIDI_Descriptor_OutputJack_t MIDI_Out_Jack_Ext;
+ USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_In_Jack_Endpoint;
+ USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_In_Jack_Endpoint_SPC;
+ USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_Out_Jack_Endpoint;
+ USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_Out_Jack_Endpoint_SPC;
} USB_Descriptor_Configuration_t;
/* Function Prototypes: */
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