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

diff --git a/Demos/Device/LowLevel/USBtoSerial/Descriptors.h b/Demos/Device/LowLevel/USBtoSerial/Descriptors.h
index bf9e7df1d..a3d101e8b 100644
--- a/Demos/Device/LowLevel/USBtoSerial/Descriptors.h
+++ b/Demos/Device/LowLevel/USBtoSerial/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