Implemented habr's checkm8 POC... works beautifully!

checkm8_arduino/include/Usb.h

@@ -0,0 +1,48 @@
+/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+Contact information
+-------------------
+
+Circuits At Home, LTD
+Web      :  http://www.circuitsathome.com
+e-mail   :  support@circuitsathome.com
+ */
+/* USB functions */
+#ifndef _usb_h_
+#define _usb_h_
+
+// WARNING: Do not change the order of includes, or stuff will break!
+#include "/opt/arduino-1.8.10/hardware/tools/avr/avr/include/inttypes.h"
+#include "/opt/arduino-1.8.10/hardware/tools/avr/lib/gcc/avr/7.3.0/include/stddef.h"
+#include "/opt/arduino-1.8.10/hardware/tools/avr/avr/include/stdio.h"
+
+// None of these should ever be included by a driver, or a user's sketch.
+#include "../lib/hostshield/settings.h"
+#include "../lib/hostshield/printhex.h"
+#include "../lib/hostshield/message.h"
+#include "../lib/hostshield/hexdump.h"
+#include "../lib/hostshield/sink_parser.h"
+#include "../lib/hostshield/max3421e.h"
+#include "../lib/hostshield/address.h"
+#include "../lib/hostshield/avrpins.h"
+#include "../lib/hostshield/usb_ch9.h"
+#include "../lib/hostshield/usbhost.h"
+#include "../lib/hostshield/UsbCore.h"
+#include "../lib/hostshield/parsetools.h"
+#include "../lib/hostshield/confdescparser.h"
+
+#endif //_usb_h_