X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5ce3f0b17bc927513bd980e8710f588564fe1dcc..f78b3eb4eff89dbd11adee37ca015712be2f332f:/LUFA/Drivers/USB/Class/Device/MIDI.h
diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.h b/LUFA/Drivers/USB/Class/Device/MIDI.h
index d9b67e275..cb8e2dee3 100644
--- a/LUFA/Drivers/USB/Class/Device/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Device/MIDI.h
@@ -42,7 +42,7 @@
  *
  *  \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
+ *    - LUFA/Drivers/USB/Class/Device/MIDI.c (Makefile source module name: LUFA_SRC_USBCLASS)
  *
  *  \section Module Description
  *  Device Mode USB Class driver framework interface, for the MIDI USB Class driver.
@@ -81,15 +81,15 @@
 			{
 				const struct
 				{
-					uint8_t  StreamingInterfaceNumber; /**< Index of the Audio Streaming interface within the device this structure controls */
+					uint8_t  StreamingInterfaceNumber; /**< Index of the Audio Streaming interface within the device this structure controls. */
 
-					uint8_t  DataINEndpointNumber; /**< Endpoint number of the incoming MIDI data, if available (zero if unused) */
-					uint16_t DataINEndpointSize; /**< Size in bytes of the incoming MIDI data endpoint, if available (zero if unused) */
-					bool     DataINEndpointDoubleBank; /**< Indicates if the MIDI interface's IN data endpoint should use double banking */
+					uint8_t  DataINEndpointNumber; /**< Endpoint number of the incoming MIDI data, if available (zero if unused). */
+					uint16_t DataINEndpointSize; /**< Size in bytes of the incoming MIDI 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 data, if available (zero if unused) */
-					uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing MIDI data endpoint, if available (zero if unused) */
-					bool     DataOUTEndpointDoubleBank; /**< Indicates if the MIDI interface's IN data endpoint should use double banking */
+					uint8_t  DataOUTEndpointNumber; /**< Endpoint number of the outgoing MIDI data, if available (zero if unused). */
+					uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing MIDI data endpoint, if available (zero if unused). */
+					bool     DataOUTEndpointDoubleBank; /**< Indicates if the MIDI interface's IN data endpoint should use double banking. */
 				} Config; /**< Config data for the USB class interface within the device. All elements in this section
 				           *   must be set or the interface will fail to enumerate and operate correctly.
 				           */									 
@@ -106,9 +106,13 @@
 			 *  \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
+			 *  \note The endpoint index numbers as given in the interface's configuration structure must not overlap with any other
+			 *        interface, or endpoint bank corruption will occur. Gaps in the allocated endpoint numbers or non-sequential indexes
+			 *        within a single interface is allowed, but no two interfaces of any type have have interleaved endpoint indexes.
 			 *
-			 *  \return Boolean true if the endpoints were successfully configured, false otherwise
+			 *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state.
+			 *
+			 *  \return Boolean true if the endpoints were successfully configured, false otherwise.
 			 */
 			bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 			
@@ -116,37 +120,37 @@
 			 *  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.
 			 *
-			 *  \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
-			 *        the call will fail.
+			 *  \pre This function must only be called when the Host state machine is in the 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 USB_MIDI_EventPacket_t structure containing the MIDI event to send
+			 *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state.
+			 *  \param[in]     Event              Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send.
 			 *
-			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum			 
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
-			                                    MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+			                                    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
+			 *  \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
+			 *  \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.
 			 *
-			 *  \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
-			 *        the call will fail.
+			 *  \pre This function must only be called when the Host state machine is in the 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
+			 *  \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 true if a MIDI event packet was received, false otherwise
+			 *  \return Boolean true if a MIDI event packet was received, 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);
@@ -155,7 +159,7 @@
 			/** 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
+			 *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state.
 			 */
 			static inline void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 			static inline void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
@@ -166,7 +170,7 @@
 			/** 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_UnhandledControlRequest() event.
 			 *
-			 *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state
+			 *  \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)