X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b7049da11b6fe3c37b23d8f7dddfff08ba14f449..a6e85d6ed80720e15477433f4abf0ca5f54422ba:/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 87aabe1c5..66330a1d4 100644
--- a/LUFA/Drivers/USB/Class/Device/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Device/MIDI.h
@@ -31,6 +31,10 @@
/** \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
+ *
* \section Module Description
* Device Mode USB Class driver framework interface, for the MIDI USB Class driver.
*
@@ -53,46 +57,74 @@
#endif
/* Public Interface - May be used in end-application: */
+ /* Type Define: */
+ /** 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
+ * 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 incomming MIDI data, if available (zero if unused) */
+ uint16_t DataINEndpointSize; /**< Size in bytes of the incomming MIDI data endpoint, if available (zero if unused) */
+
+ 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) */
+ } 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.
+ */
+ struct
+ {
+ // No state information for this class yet
+ } State; /**< State data for the USB class interface within the device. All elements in this section
+ * may be set to initial values, but may also be ignored to default to sane values 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_ConfigurationChanged() event so that the endpoints are configured when the configuration
* containing the given MIDI interface is selected.
*
- * \param 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 Boolean true if the endpoints were sucessfully configured, false otherwise
*/
- bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo);
+ bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);
/** Processes incomming control requests from the host, that are directed to the given MIDI class interface. This should be
* linked to the library \ref EVENT_USB_UnhandledControlPacket() event.
*
- * \param 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.
*/
- void MIDI_Device_ProcessControlPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo);
+ void MIDI_Device_ProcessControlPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);
/** 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 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.
*/
- void MIDI_Device_USBTask(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo);
+ void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);
/** Sends a MIDI event packet to the host. If no host is connected, the event packet is discarded.
*
- * \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
- * \param 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
*/
- void MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event);
+ void MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event);
/** Receives a MIDI event packet from the host.
*
- * \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
- * \param 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
*/
- bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event);
+ bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event);
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)