--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
+// 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.
+//-----------------------------------------------------------------------------
+// Code for communicating with the proxmark3 hardware.
+//-----------------------------------------------------------------------------
+
+#ifndef COMMS_H_
+#define COMMS_H_
+
+#include <stdbool.h>
+#include <pthread.h>
+
+#include "usb_cmd.h"
+#include "uart.h"
+
+#ifndef CMD_BUFFER_SIZE
+#define CMD_BUFFER_SIZE 50
+#endif
+
+typedef struct {
+ // If TRUE, continue running the uart_receiver thread
+ bool run;
+
+ // Lock around serial port receives
+ pthread_mutex_t recv_lock;
+} receiver_arg;
+
+void SendCommand(UsbCommand *c);
+
+void *uart_receiver(void *targ);
+void UsbCommandReceived(UsbCommand *UC);
+void clearCommandBuffer();
+bool WaitForResponseTimeoutW(uint32_t cmd, UsbCommand* response, size_t ms_timeout, bool show_warning);
+bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout);
+bool WaitForResponse(uint32_t cmd, UsbCommand* response);
+
+extern serial_port sp;
+extern bool offline;
+
+#endif // COMMS_H_