X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1076ac4d6e56bff7fb6d2126746af1108211370..ecd82778cf9a53e34f13d9ce6dcd7e1a4cf76b70:/Demos/Device/LowLevel/DualCDC/Descriptors.h

diff --git a/Demos/Device/LowLevel/DualCDC/Descriptors.h b/Demos/Device/LowLevel/DualCDC/Descriptors.h
index aa95b8a4c..781ba5c31 100644
--- a/Demos/Device/LowLevel/DualCDC/Descriptors.h
+++ b/Demos/Device/LowLevel/DualCDC/Descriptors.h
@@ -41,6 +41,10 @@
 
 		#include <avr/pgmspace.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: */
 		/** Macro to define a CDC class-specific functional descriptor. CDC functional descriptors have a
 		 *  uniform structure but variable sized data payloads, thus cannot be represented accurately by