From 9efeb4cf0bab9cf3aaba2b618455f342f749b3ad Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Sat, 14 Mar 2015 13:56:28 +1100 Subject: [PATCH 1/3] FMUv2: added bootloader delay signature to text this allows for a configurable bootloader delay --- nuttx-configs/px4fmu-v2/scripts/ld.script | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/nuttx-configs/px4fmu-v2/scripts/ld.script b/nuttx-configs/px4fmu-v2/scripts/ld.script index bec896d1ce..b04ad89a6c 100644 --- a/nuttx-configs/px4fmu-v2/scripts/ld.script +++ b/nuttx-configs/px4fmu-v2/scripts/ld.script @@ -66,12 +66,20 @@ EXTERN(_vectors) /* force the vectors to be included in the output */ * code pulled in by libgcc.a requires it (and that code cannot be easily avoided). */ EXTERN(abort) +EXTERN(_bootdelay_signature) SECTIONS { .text : { _stext = ABSOLUTE(.); *(.vectors) + . = ALIGN(32); + /* + This signature provides the bootloader with a way to delay booting + */ + _bootdelay_signature = ABSOLUTE(.); + FILL(0xffecc2925d7d05c5) + . += 8; *(.text .text.*) *(.fixup) *(.gnu.warning) From 2c2359dcf02325a04502dc3bf917ef9c3906763a Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Sat, 14 Mar 2015 13:56:54 +1100 Subject: [PATCH 2/3] px_uploader.py: added --boot-delay option this sets the bootloader delay --- Tools/px_uploader.py | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Tools/px_uploader.py b/Tools/px_uploader.py index 43a1167451..3cdd9d1a6f 100755 --- a/Tools/px_uploader.py +++ b/Tools/px_uploader.py @@ -161,6 +161,7 @@ class uploader(object): GET_OTP = b'\x2a' # rev4+ , get a word from OTP area GET_SN = b'\x2b' # rev4+ , get a word from SN area GET_CHIP = b'\x2c' # rev5+ , get chip version + SET_BOOT_DELAY = b'\x2d' # rev5+ , set boot delay REBOOT = b'\x30' INFO_BL_REV = b'\x01' # bootloader protocol revision @@ -405,6 +406,12 @@ class uploader(object): raise RuntimeError("Program CRC failed") self.__drawProgressBar(label, 100, 100) + def __set_boot_delay(self, boot_delay): + self.__send(uploader.SET_BOOT_DELAY + + struct.pack("b", boot_delay) + + uploader.EOC) + self.__getSync() + # get basic data about the board def identify(self): # make sure we are in sync before starting @@ -472,6 +479,9 @@ class uploader(object): else: self.__verify_v3("Verify ", fw) + if args.boot_delay is not None: + self.__set_boot_delay(args.boot_delay) + print("\nRebooting.\n") self.__reboot() self.port.close() @@ -501,6 +511,7 @@ parser = argparse.ArgumentParser(description="Firmware uploader for the PX autop 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('--force', action='store_true', default=False, help='Override board type check and continue loading') +parser.add_argument('--boot-delay', type=int, default=None, help='minimum boot delay to store in flash') parser.add_argument('firmware', action="store", help="Firmware file to be uploaded") args = parser.parse_args() From 9d8931328b1c4423f747c08d115aec1387d5e597 Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Sat, 14 Mar 2015 14:17:21 +1100 Subject: [PATCH 3/3] Tools: added boot_now.py script --- Tools/boot_now.py | 59 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100755 Tools/boot_now.py diff --git a/Tools/boot_now.py b/Tools/boot_now.py new file mode 100755 index 0000000000..5a9e608dad --- /dev/null +++ b/Tools/boot_now.py @@ -0,0 +1,59 @@ +#!/usr/bin/env python +############################################################################ +# +# Copyright (C) 2012-2015 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. +# +############################################################################ + +# send BOOT command to a device + +import argparse +import serial, sys + +from sys import platform as _platform + +# Parse commandline arguments +parser = argparse.ArgumentParser(description="Send boot command to a device") +parser.add_argument('--baud', action="store", type=int, default=115200, help="Baud rate of the serial port") +parser.add_argument('port', action="store", help="Serial port(s) to which the FMU may be attached") +args = parser.parse_args() + +REBOOT = b'\x30' +EOC = b'\x20' + +print("Sending reboot to %s" % args.port) +try: + port = serial.Serial(args.port, args.baud, timeout=0.5) +except Exception: + print("Unable to open %s" % args.port) + sys.exit(1) +port.write(REBOOT + EOC) +port.close() +sys.exit(0)