ADD: Started to add a "LF GUARD CLONE/SIM" functionality. *not working* all thats needed now is fixing the transformation from FacilityCode/CardNumber -> raw data for t55x7.

client/cmdlfguard.h

@@ -0,0 +1,30 @@
+//-----------------------------------------------------------------------------
+//
+// 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 T55xx commands
+//-----------------------------------------------------------------------------
+#ifndef CMDLFGUARD_H__
+#define CMDLFGUARD_H__
+#include "proxmark3.h"
+#include "ui.h"
+#include "util.h"
+#include "graph.h"
+#include "cmdparser.h"
+#include "cmddata.h"
+#include "cmdmain.h"
+#include "cmdlf.h"
+#include "protocols.h"  // for T55xx config register definitions
+#include "lfdemod.h"    // parityTest
+#include "crc.h"
+
+int CmdLFGuard(const char *Cmd);
+int CmdGuardClone(const char *Cmd);
+int CmdGuardSim(const char *Cmd);
+
+int usage_lf_guard_clone(void);
+int usage_lf_quard_sim(void);
+#endif
+