--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2010 iZsh <izsh at fail0verflow.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.
+//-----------------------------------------------------------------------------
+// USB utilities
+//-----------------------------------------------------------------------------
+
+#ifndef PROXUSB_H__
+#define PROXUSB_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <usb.h>
+#include "usb_cmd.h"
+
+extern unsigned char return_on_error;
+extern unsigned char error_occured;
+
+void SendCommand(UsbCommand *c);
+bool ReceiveCommandPoll(UsbCommand *c);
+void ReceiveCommand(UsbCommand *c);
+struct usb_dev_handle* FindProxmark(int verbose, unsigned int *iface);
+struct usb_dev_handle* OpenProxmark(int verbose);
+void CloseProxmark(void);
+
+struct prox_unit {
+ usb_dev_handle *handle;
+ char serial_number[256];
+};
+
+#endif