--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2012 Chalk <chalk.secu at gmail.com>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency PCF7931 commands
+//-----------------------------------------------------------------------------
+
+#ifndef CMDLFPCF7931_H__
+#define CMDLFPCF7931_H__
+
+int CmdLFPCF7931(const char *Cmd);
+
+int CmdLFPCF7931Read(const char *Cmd);
+
+#endif