diff options
Diffstat (limited to 'nuttx/configs/px4fmu-v1/tools/px_mkfw.py')
| -rwxr-xr-x | nuttx/configs/px4fmu-v1/tools/px_mkfw.py | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/nuttx/configs/px4fmu-v1/tools/px_mkfw.py b/nuttx/configs/px4fmu-v1/tools/px_mkfw.py new file mode 100755 index 000000000..9f4ddad62 --- /dev/null +++ b/nuttx/configs/px4fmu-v1/tools/px_mkfw.py @@ -0,0 +1,110 @@ +#!/usr/bin/env python +############################################################################ +# +# Copyright (C) 2012 PX4 Development Team. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name PX4 nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +# +# PX4 firmware image generator +# +# The PX4 firmware file is a JSON-encoded Python object, containing +# metadata fields and a zlib-compressed base64-encoded firmware image. +# + +import sys +import argparse +import json +import base64 +import zlib +import time +import subprocess + +# +# Construct a basic firmware description +# +def mkdesc(): + proto = {} + proto['magic'] = "PX4FWv1" + proto['board_id'] = 0 + proto['board_revision'] = 0 + proto['version'] = "" + proto['summary'] = "" + proto['description'] = "" + proto['git_identity'] = "" + proto['build_time'] = 0 + proto['image'] = base64.b64encode(bytearray()) + proto['image_size'] = 0 + return proto + +# Parse commandline +parser = argparse.ArgumentParser(description="Firmware generator for the PX autopilot system.") +parser.add_argument("--prototype", action="store", help="read a prototype description from a file") +parser.add_argument("--board_id", action="store", help="set the board ID required") +parser.add_argument("--board_revision", action="store", help="set the board revision required") +parser.add_argument("--version", action="store", help="set a version string") +parser.add_argument("--summary", action="store", help="set a brief description") +parser.add_argument("--description", action="store", help="set a longer description") +parser.add_argument("--git_identity", action="store", help="the working directory to check for git identity") +parser.add_argument("--image", action="store", help="the firmware image") +args = parser.parse_args() + +# Fetch the firmware descriptor prototype if specified +if args.prototype != None: + f = open(args.prototype,"r") + desc = json.load(f) + f.close() +else: + desc = mkdesc() + +desc['build_time'] = int(time.time()) + +if args.board_id != None: + desc['board_id'] = int(args.board_id) +if args.board_revision != None: + desc['board_revision'] = int(args.board_revision) +if args.version != None: + desc['version'] = str(args.version) +if args.summary != None: + desc['summary'] = str(args.summary) +if args.description != None: + desc['description'] = str(args.description) +if args.git_identity != None: + cmd = " ".join(["git", "--git-dir", args.git_identity + "/.git", "describe", "--always", "--dirty"]) + p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout + desc['git_identity'] = p.read().strip() + p.close() +if args.image != None: + f = open(args.image, "rb") + bytes = f.read() + desc['image_size'] = len(bytes) + desc['image'] = base64.b64encode(zlib.compress(bytes,9)) + +print json.dumps(desc, indent=4) |