X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/fc92f9969c1fcc2f952f0bd6d09a309a9b3ce02f..d4b45e8502a27c0f5ad3e26eabd2b30e84c20bac:/Demos/Device/LowLevel/MIDI/Descriptors.h diff --git a/Demos/Device/LowLevel/MIDI/Descriptors.h b/Demos/Device/LowLevel/MIDI/Descriptors.h index 70686102e..5415a31cd 100644 --- a/Demos/Device/LowLevel/MIDI/Descriptors.h +++ b/Demos/Device/LowLevel/MIDI/Descriptors.h @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. - + Copyright (C) Dean Camera, 2012. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 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 @@ -32,7 +32,7 @@ * * Header file for Descriptors.c. */ - + #ifndef _DESCRIPTORS_H_ #define _DESCRIPTORS_H_ @@ -42,148 +42,46 @@ #include /* Macros: */ - /** Descriptor header constant to indicate a Audio class interface descriptor. */ - #define DTYPE_AudioInterface 0x24 - - /** Descriptor header constant to indicate a Audio class endpoint descriptor. */ - #define DTYPE_AudioEndpoint 0x25 - - /** Audio class descriptor subtype value for a Audio class specific header descriptor. */ - #define DSUBTYPE_Header 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 + /** Endpoint number of the MIDI streaming data IN endpoint, for device-to-host data transfers. */ + #define MIDI_STREAM_IN_EPNUM 1 - /** 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 OUT endpoint, for host-to-device data transfers. */ - #define MIDI_STREAM_OUT_EPNUM 1 - - /** Endpoint number of the MIDI streaming data IN endpoint, for device-to-host data transfers. */ - #define MIDI_STREAM_IN_EPNUM 2 + #define MIDI_STREAM_OUT_EPNUM 2 /** Endpoint size in bytes of the Audio isochronous streaming data IN and OUT endpoints. */ #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 ACSpecification; /**< 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 Defines: */ /** 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; + + // MIDI Audio Control Interface + USB_Descriptor_Interface_t Audio_ControlInterface; + USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC; + + // MIDI Audio Streaming Interface + 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: */ - uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress) - ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); + uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, + const uint8_t wIndex, + const void** const DescriptorAddress) + ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); #endif +