X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b37d77eab32d171ad7b28157a924a4026e2aebd1..187ccb2e15bb4ad0e277da56b04fc2ffb3865d08:/Demos/Host/LowLevel/MIDIHost/MIDIHost.c

diff --git a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
index e004099fc..22e588ca1 100644
--- a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
+++ b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2011.
 
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  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
@@ -181,7 +181,10 @@ void MIDI_Host_Task(void)
 			{
 				MIDI_EventPacket_t MIDIEvent;
 
-				Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
+				Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
+
+				if (!(Pipe_BytesInPipe()))
+				  Pipe_ClearIN();
 
 				bool NoteOnEvent  = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON  >> 4));
 				bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4));
@@ -191,20 +194,17 @@ void MIDI_Host_Task(void)
 					printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d\r\n"), NoteOnEvent ? "On" : "Off",
 				                                                                           ((MIDIEvent.Data1 & 0x0F) + 1),
 				                                                                           MIDIEvent.Data2, MIDIEvent.Data3);
-				}
-
-				Pipe_ClearIN();
+				}				
 			}
 
 			Pipe_SelectPipe(MIDI_DATA_OUT_PIPE);
 
-			static uint8_t PrevJoystickStatus;
-
 			if (Pipe_IsOUTReady())
 			{
 				uint8_t MIDICommand = 0;
 				uint8_t MIDIPitch;
 
+				static uint8_t PrevJoystickStatus;
 				uint8_t JoystickStatus  = Joystick_GetStatus();
 				uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
 
@@ -255,7 +255,7 @@ void MIDI_Host_Task(void)
 						};
 
 					/* Write the MIDI event packet to the pipe */
-					Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
+					Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
 
 					/* Send the data in the pipe to the device */
 					Pipe_ClearOUT();