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-rwxr-xr-xnuttx-configs/px4fmu-v1/tools/px_mkfw.py110
-rwxr-xr-xnuttx-configs/px4fmu-v1/tools/px_uploader.py416
-rwxr-xr-xnuttx-configs/px4fmu-v1/tools/upload.sh27
3 files changed, 553 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)
diff --git a/nuttx-configs/px4fmu-v1/tools/px_uploader.py b/nuttx-configs/px4fmu-v1/tools/px_uploader.py
new file mode 100755
index 000000000..3b23f4f83
--- /dev/null
+++ b/nuttx-configs/px4fmu-v1/tools/px_uploader.py
@@ -0,0 +1,416 @@
+#!/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.
+#
+############################################################################
+
+#
+# Serial firmware uploader for the PX4FMU bootloader
+#
+# The PX4 firmware file is a JSON-encoded Python object, containing
+# metadata fields and a zlib-compressed base64-encoded firmware image.
+#
+# The uploader uses the following fields from the firmware file:
+#
+# image
+# The firmware that will be uploaded.
+# image_size
+# The size of the firmware in bytes.
+# board_id
+# The board for which the firmware is intended.
+# board_revision
+# Currently only used for informational purposes.
+#
+
+import sys
+import argparse
+import binascii
+import serial
+import os
+import struct
+import json
+import zlib
+import base64
+import time
+import array
+
+from sys import platform as _platform
+
+class firmware(object):
+ '''Loads a firmware file'''
+
+ desc = {}
+ image = bytes()
+ crctab = array.array('I', [
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
+ 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
+ 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
+ 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
+ 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
+ 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
+ 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
+ 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
+ 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
+ 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
+ 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
+ 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
+ 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
+ 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
+ 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
+ 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
+ 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
+ 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d ])
+ crcpad = bytearray('\xff\xff\xff\xff')
+
+ def __init__(self, path):
+
+ # read the file
+ f = open(path, "r")
+ self.desc = json.load(f)
+ f.close()
+
+ self.image = bytearray(zlib.decompress(base64.b64decode(self.desc['image'])))
+
+ # pad image to 4-byte length
+ while ((len(self.image) % 4) != 0):
+ self.image.append('\xff')
+
+ def property(self, propname):
+ return self.desc[propname]
+
+ def __crc32(self, bytes, state):
+ for byte in bytes:
+ index = (state ^ byte) & 0xff
+ state = self.crctab[index] ^ (state >> 8)
+ return state
+
+ def crc(self, padlen):
+ state = self.__crc32(self.image, int(0))
+ for i in range(len(self.image), (padlen - 1), 4):
+ state = self.__crc32(self.crcpad, state)
+ return state
+
+class uploader(object):
+ '''Uploads a firmware file to the PX FMU bootloader'''
+
+ # protocol bytes
+ INSYNC = chr(0x12)
+ EOC = chr(0x20)
+
+ # reply bytes
+ OK = chr(0x10)
+ FAILED = chr(0x11)
+ INVALID = chr(0x13) # rev3+
+
+ # command bytes
+ NOP = chr(0x00) # guaranteed to be discarded by the bootloader
+ GET_SYNC = chr(0x21)
+ GET_DEVICE = chr(0x22)
+ CHIP_ERASE = chr(0x23)
+ CHIP_VERIFY = chr(0x24) # rev2 only
+ PROG_MULTI = chr(0x27)
+ READ_MULTI = chr(0x28) # rev2 only
+ GET_CRC = chr(0x29) # rev3+
+ REBOOT = chr(0x30)
+
+ INFO_BL_REV = chr(1) # bootloader protocol revision
+ BL_REV_MIN = 2 # minimum supported bootloader protocol
+ BL_REV_MAX = 3 # maximum supported bootloader protocol
+ INFO_BOARD_ID = chr(2) # board type
+ INFO_BOARD_REV = chr(3) # board revision
+ INFO_FLASH_SIZE = chr(4) # max firmware size in bytes
+
+ PROG_MULTI_MAX = 60 # protocol max is 255, must be multiple of 4
+ READ_MULTI_MAX = 60 # protocol max is 255, something overflows with >= 64
+
+ def __init__(self, portname, baudrate):
+ # open the port, keep the default timeout short so we can poll quickly
+ self.port = serial.Serial(portname, baudrate, timeout=0.25)
+
+ def close(self):
+ if self.port is not None:
+ self.port.close()
+
+ def __send(self, c):
+# print("send " + binascii.hexlify(c))
+ self.port.write(str(c))
+
+ def __recv(self, count = 1):
+ c = self.port.read(count)
+ if len(c) < 1:
+ raise RuntimeError("timeout waiting for data")
+# print("recv " + binascii.hexlify(c))
+ return c
+
+ def __recv_int(self):
+ raw = self.__recv(4)
+ val = struct.unpack("<I", raw)
+ return val[0]
+
+ def __getSync(self):
+ self.port.flush()
+ c = self.__recv()
+ if c is not self.INSYNC:
+ raise RuntimeError("unexpected 0x%x instead of INSYNC" % ord(c))
+ c = self.__recv()
+ if c == self.INVALID:
+ raise RuntimeError("bootloader reports INVALID OPERATION")
+ if c == self.FAILED:
+ raise RuntimeError("bootloader reports OPERATION FAILED")
+ if c != self.OK:
+ raise RuntimeError("unexpected response 0x%x instead of OK" % ord(c))
+
+ # attempt to get back into sync with the bootloader
+ def __sync(self):
+ # send a stream of ignored bytes longer than the longest possible conversation
+ # that we might still have in progress
+# self.__send(uploader.NOP * (uploader.PROG_MULTI_MAX + 2))
+ self.port.flushInput()
+ self.__send(uploader.GET_SYNC
+ + uploader.EOC)
+ self.__getSync()
+
+# def __trySync(self):
+# c = self.__recv()
+# if (c != self.INSYNC):
+# #print("unexpected 0x%x instead of INSYNC" % ord(c))
+# return False;
+# c = self.__recv()
+# if (c != self.OK):
+# #print("unexpected 0x%x instead of OK" % ord(c))
+# return False
+# return True
+
+ # send the GET_DEVICE command and wait for an info parameter
+ def __getInfo(self, param):
+ self.__send(uploader.GET_DEVICE + param + uploader.EOC)
+ value = self.__recv_int()
+ self.__getSync()
+ return value
+
+ # send the CHIP_ERASE command and wait for the bootloader to become ready
+ def __erase(self):
+ self.__send(uploader.CHIP_ERASE
+ + uploader.EOC)
+ # erase is very slow, give it 10s
+ deadline = time.time() + 10
+ while time.time() < deadline:
+ try:
+ self.__getSync()
+ return
+ except RuntimeError as ex:
+ # we timed out, that's OK
+ continue
+
+ raise RuntimeError("timed out waiting for erase")
+
+ # send a PROG_MULTI command to write a collection of bytes
+ def __program_multi(self, data):
+ self.__send(uploader.PROG_MULTI
+ + chr(len(data)))
+ self.__send(data)
+ self.__send(uploader.EOC)
+ self.__getSync()
+
+ # verify multiple bytes in flash
+ def __verify_multi(self, data):
+ self.__send(uploader.READ_MULTI
+ + chr(len(data))
+ + uploader.EOC)
+ self.port.flush()
+ programmed = self.__recv(len(data))
+ if programmed != data:
+ print("got " + binascii.hexlify(programmed))
+ print("expect " + binascii.hexlify(data))
+ return False
+ self.__getSync()
+ return True
+
+ # send the reboot command
+ def __reboot(self):
+ self.__send(uploader.REBOOT
+ + uploader.EOC)
+ self.port.flush()
+
+ # v3+ can report failure if the first word flash fails
+ if self.bl_rev >= 3:
+ self.__getSync()
+
+ # split a sequence into a list of size-constrained pieces
+ def __split_len(self, seq, length):
+ return [seq[i:i+length] for i in range(0, len(seq), length)]
+
+ # upload code
+ def __program(self, fw):
+ code = fw.image
+ groups = self.__split_len(code, uploader.PROG_MULTI_MAX)
+ for bytes in groups:
+ self.__program_multi(bytes)
+
+ # verify code
+ def __verify_v2(self, fw):
+ self.__send(uploader.CHIP_VERIFY
+ + uploader.EOC)
+ self.__getSync()
+ code = fw.image
+ groups = self.__split_len(code, uploader.READ_MULTI_MAX)
+ for bytes in groups:
+ if (not self.__verify_multi(bytes)):
+ raise RuntimeError("Verification failed")
+
+ def __verify_v3(self, fw):
+ expect_crc = fw.crc(self.fw_maxsize)
+ self.__send(uploader.GET_CRC
+ + uploader.EOC)
+ report_crc = self.__recv_int()
+ self.__getSync()
+ if report_crc != expect_crc:
+ print("Expected 0x%x" % expect_crc)
+ print("Got 0x%x" % report_crc)
+ raise RuntimeError("Program CRC failed")
+
+ # get basic data about the board
+ def identify(self):
+ # make sure we are in sync before starting
+ self.__sync()
+
+ # get the bootloader protocol ID first
+ self.bl_rev = self.__getInfo(uploader.INFO_BL_REV)
+ if (self.bl_rev < uploader.BL_REV_MIN) or (self.bl_rev > uploader.BL_REV_MAX):
+ print("Unsupported bootloader protocol %d" % uploader.INFO_BL_REV)
+ raise RuntimeError("Bootloader protocol mismatch")
+
+ self.board_type = self.__getInfo(uploader.INFO_BOARD_ID)
+ self.board_rev = self.__getInfo(uploader.INFO_BOARD_REV)
+ self.fw_maxsize = self.__getInfo(uploader.INFO_FLASH_SIZE)
+
+ # upload the firmware
+ def upload(self, fw):
+ # Make sure we are doing the right thing
+ if self.board_type != fw.property('board_id'):
+ raise RuntimeError("Firmware not suitable for this board (run 'make configure_px4fmu && make clean' or 'make configure_px4io && make clean' to reconfigure).")
+ if self.fw_maxsize < fw.property('image_size'):
+ raise RuntimeError("Firmware image is too large for this board")
+
+ print("erase...")
+ self.__erase()
+
+ print("program...")
+ self.__program(fw)
+
+ print("verify...")
+ if self.bl_rev == 2:
+ self.__verify_v2(fw)
+ else:
+ self.__verify_v3(fw)
+
+ print("done, rebooting.")
+ self.__reboot()
+ self.port.close()
+
+
+# Parse commandline arguments
+parser = argparse.ArgumentParser(description="Firmware uploader for the PX autopilot system.")
+parser.add_argument('--port', action="store", required=True, help="Serial port(s) to which the FMU may be attached")
+parser.add_argument('--baud', action="store", type=int, default=115200, help="Baud rate of the serial port (default is 115200), only required for true serial ports.")
+parser.add_argument('firmware', action="store", help="Firmware file to be uploaded")
+args = parser.parse_args()
+
+# Load the firmware file
+fw = firmware(args.firmware)
+print("Loaded firmware for %x,%x, waiting for the bootloader..." % (fw.property('board_id'), fw.property('board_revision')))
+
+# Spin waiting for a device to show up
+while True:
+ for port in args.port.split(","):
+
+ #print("Trying %s" % port)
+
+ # create an uploader attached to the port
+ try:
+ if "linux" in _platform:
+ # Linux, don't open Mac OS and Win ports
+ if not "COM" in port and not "tty.usb" in port:
+ up = uploader(port, args.baud)
+ elif "darwin" in _platform:
+ # OS X, don't open Windows and Linux ports
+ if not "COM" in port and not "ACM" in port:
+ up = uploader(port, args.baud)
+ elif "win" in _platform:
+ # Windows, don't open POSIX ports
+ if not "/" in port:
+ up = uploader(port, args.baud)
+ except:
+ # open failed, rate-limit our attempts
+ time.sleep(0.05)
+
+ # and loop to the next port
+ continue
+
+ # port is open, try talking to it
+ try:
+ # identify the bootloader
+ up.identify()
+ print("Found board %x,%x bootloader rev %x on %s" % (up.board_type, up.board_rev, up.bl_rev, port))
+
+ except:
+ # most probably a timeout talking to the port, no bootloader
+ continue
+
+ try:
+ # ok, we have a bootloader, try flashing it
+ up.upload(fw)
+
+ except RuntimeError as ex:
+
+ # print the error
+ print("ERROR: %s" % ex.args)
+
+ finally:
+ # always close the port
+ up.close()
+
+ # we could loop here if we wanted to wait for more boards...
+ sys.exit(0)
diff --git a/nuttx-configs/px4fmu-v1/tools/upload.sh b/nuttx-configs/px4fmu-v1/tools/upload.sh
new file mode 100755
index 000000000..4e6597b3a
--- /dev/null
+++ b/nuttx-configs/px4fmu-v1/tools/upload.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# Wrapper to upload a PX4 firmware binary
+#
+TOOLS=`dirname $0`
+MKFW=${TOOLS}/px_mkfw.py
+UPLOAD=${TOOLS}/px_uploader.py
+
+BINARY=nuttx.bin
+PAYLOAD=nuttx.px4
+PORTS="/dev/tty.usbmodemPX1,/dev/tty.usbmodemPX2,/dev/tty.usbmodemPX3,/dev/tty.usbmodemPX4,/dev/tty.usbmodem1,/dev/tty.usbmodem2,/dev/tty.usbmodem3,/dev/tty.usbmodem4"
+
+function abort() {
+ echo "ABORT: $*"
+ exit 1
+}
+
+if [ ! -f ${MKFW} -o ! -f ${UPLOAD} ]; then
+ abort "Missing tools ${MKFW} and/or ${UPLOAD}"
+fi
+if [ ! -f ${BINARY} ]; then
+ abort "Missing nuttx binary in current directory."
+fi
+
+rm -f ${PAYLOAD}
+${MKFW} --board_id 5 --image ${BINARY} > ${PAYLOAD}
+${UPLOAD} --port ${PORTS} ${PAYLOAD}