X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/ce3ea6fb2513d3aa14c354e2ed78c7eb4a38ee0e..41b54a2acd2d5515cc7f3f1ed1c3d3b17d1988a1:/Demos/Device/ClassDriver/CDC/Descriptors.h

diff --git a/Demos/Device/ClassDriver/CDC/Descriptors.h b/Demos/Device/ClassDriver/CDC/Descriptors.h
index 33ceab9c5..a764b2b32 100644
--- a/Demos/Device/ClassDriver/CDC/Descriptors.h
+++ b/Demos/Device/ClassDriver/CDC/Descriptors.h
@@ -41,6 +41,10 @@
 
 		#include <LUFA/Drivers/USB/USB.h>
 		#include <LUFA/Drivers/USB/Class/CDC.h>
+		
+		#if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR)
+			#warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.
+		#endif
 
 	/* Macros: */
 		/** Endpoint number of the CDC device-to-host notification IN endpoint. */