From 41b54a2acd2d5515cc7f3f1ed1c3d3b17d1988a1 Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Thu, 30 Jul 2009 11:03:58 +0000
Subject: Set all CDC and MassStorage device mode demos (LowLevel and
 ClassDriver) to use the USE_INTERNAL_SERIAL feature, add compile time
 warnings for devices which do not have an internal serial.

---
 Demos/Device/ClassDriver/USBtoSerial/Descriptors.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Demos/Device/ClassDriver/USBtoSerial')

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
-- 
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