--- /dev/null
+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: calcv.h
+** Purpose: AVR C Compiler Abstraction Layer for CodeVision C Compiler
+** Programmer: Kevin Rosenberg <kevin@rosenberg.net> (AVRFreaks: kmr)
+** Date Started: Dec 2007
+**
+** Copyright (c) 2008 by Kevin Rosenberg. All rights reserved.
+**
+** LICENSE
+** See accompaning LICENSE file
+**
+** CHANGES
+** See accompaning ChangeLog file
+******************************************************************************/
+
+#ifndef __CALCV_H__
+#define __CALCV_H__
+
+#ifndef __AVRCAL_H__
+#error This file should not be directly included. It is included by avrcal.h
+#endif
+
+// Standard header files
+#include <io.h>
+
+#endif