X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/afe6ae14023c7040befe73e49d00077d3425c564..a459f10b0c1a3e02f160ff3a1a2a0b45ae5b69a7:/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h

diff --git a/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h b/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h
index 730acc601..f78f395a3 100644
--- a/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h
+++ b/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h
@@ -42,6 +42,10 @@
 		#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. */
 		#define CDC_NOTIFICATION_EPNUM         2