o add vusb

tools/vusb/tests/null.c

@@ -0,0 +1,26 @@
+/* Name: null.c
+ * Project: Testing driver features
+ * Author: Christian Starkjohann
+ * Creation Date: 2008-04-29
+ * Tabsize: 4
+ * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
+ * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
+ * This Revision: $Id: null.c 692 2008-11-07 15:07:40Z cs $
+ */
+
+/*
+This is a NULL main() function to find out the code size required by libusb's
+startup code, interrupt vectors etc.
+*/
+#include <avr/io.h>
+
+
+/* ------------------------------------------------------------------------- */
+
+int	main(void)
+{
+    for(;;);
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */