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bootloader: add bootloader version

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This adds a new protocol extension which allows to get the bootloader
version.

The bootloader version is different from the bootloader protocol
revision which has stabilized at 5 and is not easy to update unless a
bootloader is actually breaking the protocol. The reason being that both
the Python script as well as the uploader used in QGC will not attempt
to load firmware if they don't know the bootloader version, so it could
basically be considered a "breaking" protocol revision.

Signed-off-by: Julian Oes <julian@oes.ch>
This commit is contained in:
Julian Oes
2024-05-10 10:54:14 +12:00
parent 21e550fdba
commit 7c4507b6d6
6 changed files with 70 additions and 10 deletions
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Tools/px_uploader.py
+19 -1
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@@ -1,7 +1,7 @@
#!/usr/bin/env python3
############################################################################
#
# Copyright (c) 2012-2017 PX4 Development Team. All rights reserved.
# Copyright (c) 2012-2024 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
@@ -195,6 +195,7 @@ class uploader(object):
GET_CHIP = b'\x2c' # rev5+ , get chip version
SET_BOOT_DELAY = b'\x2d' # rev5+ , set boot delay
GET_CHIP_DES = b'\x2e' # rev5+ , get chip description in ASCII
GET_VERSION = b'\x2f' # rev5+ , get chip description in ASCII
CHIP_FULL_ERASE = b'\x40' # full erase of flash, rev6+
MAX_DES_LENGTH = 20
@@ -206,6 +207,7 @@ class uploader(object):
INFO_BOARD_ID = b'\x02' # board type
INFO_BOARD_REV = b'\x03' # board revision
INFO_FLASH_SIZE = b'\x04' # max firmware size in bytes
BL_VERSION = b'\x07' # get bootloader version, e.g. major.minor.patch.githash (up to 20 chars)
PROG_MULTI_MAX = 252 # protocol max is 255, must be multiple of 4
READ_MULTI_MAX = 252 # protocol max is 255
@@ -412,6 +414,18 @@ class uploader(object):
pieces = value.split(b",")
return pieces
def __getVersion(self):
self.__send(uploader.GET_VERSION + uploader.EOC)
try:
length = self.__recv_int()
value = self.__recv(length)
self.__getSync()
except RuntimeError:
# Bootloader doesn't support version call
return "unknown"
pieces = value.split(b".")
return pieces
def __drawProgressBar(self, label, progress, maxVal):
if maxVal < progress:
progress = maxVal
@@ -594,6 +608,8 @@ class uploader(object):
self.board_rev = self.__getInfo(uploader.INFO_BOARD_REV)
self.fw_maxsize = self.__getInfo(uploader.INFO_FLASH_SIZE)
self.version = self.__getVersion()
# upload the firmware
def upload(self, fw_list, force=False, boot_delay=None, boot_check=False, force_erase=False):
self.force_erase = force_erase
@@ -625,6 +641,8 @@ class uploader(object):
print("Loaded firmware for board id: %s,%s size: %d bytes (%.2f%%) " % (fw.property('board_id'), fw.property('board_revision'), fw.property('image_size'), percent))
print()
print(f"Bootloader version: {self.version}")
# Make sure we are doing the right thing
start = _time()
if self.board_type != fw.property('board_id'):