X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/60e96412220b62a614348c287354c56f282fcc70..5e12d436fa31399ba6b5c8cab484d4a7b5adf7e7:/LUFA/Drivers/USB/Class/Host/MIDI.h

diff --git a/LUFA/Drivers/USB/Class/Host/MIDI.h b/LUFA/Drivers/USB/Class/Host/MIDI.h
index b1971b16d..84779a0e8 100644
--- a/LUFA/Drivers/USB/Class/Host/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Host/MIDI.h
@@ -53,6 +53,11 @@
 			extern "C" {
 		#endif
 
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_MIDI_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/Class/MIDI.h instead.
+		#endif
+		
 	/* Public Interface - May be used in end-application: */
 		/* Type Defines: */
 			/** Class state structure. An instance of this structure should be made within the user application,
@@ -125,6 +130,17 @@
 			uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
 			                                  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 device. This should be called to override the
+			 *  \ref MIDI_Host_SendEventPacket() function's packing behaviour, to flush queued events. Events are queued into the
+			 *  pipe bank until either the pipe bank is full, or \ref MIDI_Host_Flush() is called. This allows for multiple MIDI
+			 *  events to be packed into a single pipe packet, increasing data throughput.
+			 *
+			 *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state
+			 *
+			 *  \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum
+			 */
+			 uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo);
+			 
 			/** Receives a MIDI event packet from the device.
 			 *
 			 *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
@@ -161,7 +177,7 @@
 			#define MIDI_FOUND_DATAPIPE_OUT          (1 << 1)
 
 		/* Function Prototypes: */
-			#if defined(INCLUDE_FROM_MIDI_CLASS_HOST_C)
+			#if defined(__INCLUDE_FROM_MIDI_CLASS_HOST_C)
 				static uint8_t DComp_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
 				static uint8_t DComp_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
 			#endif