-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \ingroup Group_USBDeviceClassDrivers\r
- * @defgroup Group_USBClassMIDIDevice MIDI Device Class Driver - LUFA/Drivers/Class/Device/MIDI.h\r
- *\r
- * \section Sec_Dependencies Module Source Dependencies\r
- * The following files must be built with any user project that uses this module:\r
- * - LUFA/Drivers/USB/Class/Device/MIDI.c\r
- *\r
- * \section Module Description\r
- * Functions, macros, variables, enums and types related to the management of USB MIDI Class interfaces\r
- * within a USB device. Note that the MIDI class is actually a special case of the regular Audio class,\r
- * thus this module depends on structure definitions from the \ref Group_USBClassAudioDevice class driver module.\r
- *\r
- * @{\r
- */\r
-\r
-#ifndef _MIDI_CLASS_H_\r
-#define _MIDI_CLASS_H_\r
-\r
- /* Includes: */\r
- #include "../../USB.h"\r
- #include "Audio.h"\r
-\r
- #include <string.h>\r
-\r
- /* Enable C linkage for C++ Compilers: */\r
- #if defined(__cplusplus)\r
- extern "C" {\r
- #endif\r
-\r
- /* Macros: */\r
- /** Audio class descriptor subtype value for a Audio class specific MIDI input jack descriptor. */\r
- #define DSUBTYPE_InputJack 0x02\r
-\r
- /** Audio class descriptor subtype value for a Audio class specific MIDI output jack descriptor. */\r
- #define DSUBTYPE_OutputJack 0x03\r
- \r
- /** Audio class descriptor jack type value for an embedded (logical) MIDI input or output jack. */\r
- #define MIDI_JACKTYPE_EMBEDDED 0x01\r
-\r
- /** Audio class descriptor jack type value for an external (physical) MIDI input or output jack. */\r
- #define MIDI_JACKTYPE_EXTERNAL 0x02\r
-\r
- /** MIDI command for a note on (activation) event */\r
- #define MIDI_COMMAND_NOTE_ON 0x09\r
-\r
- /** MIDI command for a note off (deactivation) event */\r
- #define MIDI_COMMAND_NOTE_OFF 0x08\r
-\r
- /** Standard key press velocity value used for all note events, as no pressure sensor is mounted */\r
- #define MIDI_STANDARD_VELOCITY 64\r
- \r
- /** Convenience macro. MIDI channels are numbered from 1-10 (natural numbers) however the logical channel\r
- * addresses are zero-indexed. This converts a natural MIDI channel number into the logical channel address.\r
- *\r
- * \param channel MIDI channel number to address\r
- */\r
- #define MIDI_CHANNEL(channel) (channel - 1)\r
- \r
- /* Type Defines: */\r
- /** Type define for an Audio class specific MIDI streaming interface descriptor. This indicates to the host\r
- * how MIDI the specification compliance of the device and the total length of the Audio class specific descriptors.\r
- * See the USB Audio specification for more details.\r
- */\r
- typedef struct\r
- {\r
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */\r
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */\r
- \r
- uint16_t AudioSpecification; /**< Binary coded decimal value, indicating the supported Audio Class specification version */\r
- uint16_t TotalLength; /**< Total length of the Audio class specific descriptors, including this descriptor */\r
- } USB_AudioInterface_MIDI_AS_t;\r
- \r
- /** Type define for an Audio class specific MIDI IN jack. This gives information to the host on a MIDI input, either\r
- * a physical input jack, or a logical jack (receiving input data internally, or from the host via an endpoint).\r
- */\r
- typedef struct\r
- {\r
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */\r
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */\r
-\r
- uint8_t JackType; /**< Type of jack, one of the JACKTYPE_* mask values */\r
- uint8_t JackID; /**< ID value of this jack - must be a unique value within the device */\r
- \r
- uint8_t JackStrIndex; /**< Index of a string descriptor describing this descriptor within the device */\r
- } USB_MIDI_In_Jack_t;\r
-\r
- /** Type define for an Audio class specific MIDI OUT jack. This gives information to the host on a MIDI output, either\r
- * a physical output jack, or a logical jack (sending output data internally, or to the host via an endpoint).\r
- */\r
- typedef struct\r
- {\r
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */\r
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */\r
-\r
- uint8_t JackType; /**< Type of jack, one of the JACKTYPE_* mask values */\r
- uint8_t JackID; /**< ID value of this jack - must be a unique value within the device */\r
- \r
- uint8_t NumberOfPins; /**< Number of output channels within the jack, either physical or logical */\r
- uint8_t SourceJackID[1]; /**< ID of each output pin's source data jack */\r
- uint8_t SourcePinID[1]; /**< Pin number in the input jack of each output pin's source data */\r
- \r
- uint8_t JackStrIndex; /**< Index of a string descriptor describing this descriptor within the device */\r
- } USB_MIDI_Out_Jack_t;\r
- \r
- /** Type define for an Audio class specific extended MIDI jack endpoint descriptor. This contains extra information\r
- * on the usage of MIDI endpoints used to stream MIDI events in and out of the USB Audio device, and follows an Audio\r
- * class specific extended MIDI endpoint descriptor. See the USB Audio specification for more details.\r
- */\r
- typedef struct\r
- {\r
- USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */\r
- uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */\r
-\r
- uint8_t TotalEmbeddedJacks; /**< Total number of jacks inside this endpoint */\r
- uint8_t AssociatedJackID[1]; /**< IDs of each jack inside the endpoint */\r
- } USB_MIDI_Jack_Endpoint_t;\r
-\r
- typedef struct\r
- {\r
- unsigned char Command : 4;\r
- unsigned char CableNumber : 4;\r
- \r
- uint8_t Data1;\r
- uint8_t Data2;\r
- uint8_t Data3; \r
- } USB_MIDI_EventPacket_t;\r
-\r
- typedef struct\r
- {\r
- uint8_t StreamingInterfaceNumber;\r
-\r
- uint8_t DataINEndpointNumber;\r
- uint16_t DataINEndpointSize;\r
-\r
- uint8_t DataOUTEndpointNumber;\r
- uint16_t DataOUTEndpointSize;\r
-\r
- bool InterfaceEnabled;\r
- } USB_ClassInfo_MIDI_t;\r
- \r
- /* Function Prototypes: */\r
- bool USB_MIDI_ConfigureEndpoints(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo);\r
- void USB_MIDI_ProcessControlPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo);\r
- void USB_MIDI_USBTask(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo);\r
-\r
- void USB_MIDI_SendEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event);\r
- bool USB_MIDI_ReceiveEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event);\r
-\r
- /* Disable C linkage for C++ Compilers: */\r
- #if defined(__cplusplus)\r
- }\r
- #endif\r
- \r
-#endif\r
-\r
-/** @} */\r
+/*
+ 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 Device mode driver for the library USB MIDI Class driver.
+ *
+ * Device mode driver 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_USBClassMIDIDevice MIDI Class Device Mode Driver
+ *
+ * \section Sec_Dependencies Module Source Dependencies
+ * The following files must be built with any user project that uses this module:
+ * - LUFA/Drivers/USB/Class/Device/MIDI.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
+ *
+ * \section Sec_ModDescription Module Description
+ * Device Mode USB Class driver framework interface, for the MIDI USB Class driver.
+ *
+ * @{
+ */
+
+#ifndef _MIDI_CLASS_DEVICE_H_
+#define _MIDI_CLASS_DEVICE_H_
+
+ /* Includes: */
+ #include "../../USB.h"
+ #include "../Common/MIDI.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
+
+ /* Public Interface - May be used in end-application: */
+ /* Type Define: */
+ /** \brief MIDI Class Device Mode Configuration and State Structure.
+ *
+ * Class state structure. An instance of this structure should be made for each MIDI interface
+ * within the user application, and passed to each of the MIDI class driver functions as the
+ * \c MIDIInterfaceInfo parameter. This stores each MIDI interface's configuration and state information.
+ */
+ typedef struct
+ {
+ const struct
+ {
+ uint8_t StreamingInterfaceNumber; /**< Index of the Audio Streaming interface within the device this structure controls. */
+
+ uint8_t DataINEndpointNumber; /**< Endpoint number of the incoming MIDI IN data, if available (zero if unused). */
+ uint16_t DataINEndpointSize; /**< Size in bytes of the incoming MIDI IN data endpoint, if available (zero if unused). */
+ bool DataINEndpointDoubleBank; /**< Indicates if the MIDI interface's IN data endpoint should use double banking. */
+
+ uint8_t DataOUTEndpointNumber; /**< Endpoint number of the outgoing MIDI OUT data, if available (zero if unused). */
+ uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing MIDI OUT data endpoint, if available (zero if unused). */
+ bool DataOUTEndpointDoubleBank; /**< Indicates if the MIDI interface's OUT data endpoint should use double banking. */
+ } Config; /**< Config data for the USB class interface within the device. All elements in this section
+ * <b>must</b> be set or the interface will fail to enumerate and operate correctly.
+ */
+
+ struct
+ {
+ // No state information for this class
+ } State; /**< State data for the USB class interface within the device. All elements in this section
+ * are reset to their defaults when the interface is enumerated.
+ */
+ } USB_ClassInfo_MIDI_Device_t;
+
+ /* Function Prototypes: */
+ /** Configures the endpoints of a given MIDI interface, ready for use. This should be linked to the library
+ * \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration
+ * containing the given MIDI interface is selected.
+ *
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ *
+ * \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
+ */
+ bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** General management task for a given MIDI class interface, required for the correct operation of the interface. This should
+ * be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
+ *
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ */
+ void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Sends a MIDI event packet to the host. If no host is connected, the event packet is discarded. Events are queued into the
+ * endpoint bank until either the endpoint bank is full, or \ref MIDI_Device_Flush() is called. This allows for multiple
+ * MIDI events to be packed into a single endpoint packet, increasing data throughput.
+ *
+ * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
+ * call will fail.
+ *
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ * \param[in] Event Pointer to a populated \ref MIDI_EventPacket_t structure containing the MIDI event to send.
+ *
+ * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+ */
+ uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
+ const MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+
+
+ /** Flushes the MIDI send buffer, sending any queued MIDI events to the host. This should be called to override the
+ * \ref MIDI_Device_SendEventPacket() function's packing behaviour, to flush queued events.
+ *
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ *
+ * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum.
+ */
+ uint8_t MIDI_Device_Flush(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Receives a MIDI event packet from the host. Events are unpacked from the endpoint, thus if the endpoint bank contains
+ * multiple MIDI events from the host in the one packet, multiple calls to this function will return each individual event.
+ *
+ * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
+ * call will fail.
+ *
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ * \param[out] Event Pointer to a USB_MIDI_EventPacket_t structure where the received MIDI event is to be placed.
+ *
+ * \return Boolean \c true if a MIDI event packet was received, \c false otherwise.
+ */
+ bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
+ MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+
+ /* Inline Functions: */
+ /** Processes incoming control requests from the host, that are directed to the given MIDI class interface. This should be
+ * linked to the library \ref EVENT_USB_Device_ControlRequest() event.
+ *
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ */
+ static inline void MIDI_Device_ProcessControlRequest(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+ static inline void MIDI_Device_ProcessControlRequest(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
+ {
+ (void)MIDIInterfaceInfo;
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+
projects / pub / USBasp.git / blobdiff