X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/cd2dcc9163c6a77c5f358ed27692962dd5b6b214..4dde844e9f12bca880f88f952231a614d5d912ad:/LUFA/Drivers/USB/Class/MIDI.h?ds=sidebyside

diff --git a/LUFA/Drivers/USB/Class/MIDI.h b/LUFA/Drivers/USB/Class/MIDI.h
index aa4daa210..96b23efcb 100644
--- a/LUFA/Drivers/USB/Class/MIDI.h
+++ b/LUFA/Drivers/USB/Class/MIDI.h
@@ -56,10 +56,14 @@
 	/* Includes: */
 		#include "../HighLevel/USBMode.h"
 
+		#if defined(NO_STREAM_CALLBACKS)
+			#error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers.
+		#endif
+
 		#if defined(USB_CAN_BE_DEVICE)
 			#include "Device/MIDI.h"
 		#endif
-		
+
 		#if defined(USB_CAN_BE_HOST)
 			#include "Host/MIDI.h"
 		#endif