From 184eb9eb0dd24157ca065934895827f4ed78d146 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Thu, 30 Jun 2016 19:35:51 -0700
Subject: [PATCH] Utility to strip HackRF firmware DFU header.

---
 firmware/tools/strip_dfu.py | 55 +++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 firmware/tools/strip_dfu.py

diff --git a/firmware/tools/strip_dfu.py b/firmware/tools/strip_dfu.py
new file mode 100755
index 000000000..d3a9d8ebd
--- /dev/null
+++ b/firmware/tools/strip_dfu.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+
+#
+# Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+#
+# This file is part of PortaPack.
+#
+# 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, 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; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+import sys
+
+usage_message = """
+PortaPack DFU header stripper
+
+Usage: <command> <dfu_file> <output_file>
+"""
+
+def read_image(path):
+	f = open(path, 'rb')
+	data = f.read()
+	f.close()
+	return data
+
+def read_image_from_dfu(path):
+	data = read_image(path)
+	# Strip DFU header from file to get binary image.
+	return data[16:]
+
+def write_image(data, path):
+	f = open(path, 'wb')
+	f.write(data)
+	f.close()
+
+if len(sys.argv) != 3:
+	print(usage_message)
+	sys.exit(-1)
+
+dfu_image = read_image_from_dfu(sys.argv[1])
+output_path = sys.argv[2]
+
+write_image(dfu_image, output_path)