esp-idf/components/app_update/dump_otadata.py

89 wiersze
2.7 KiB
Python
Executable File

#!/usr/bin/env python
#
# gen_otadata prints info about the otadata partition.
#
# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http:#www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function, division
import argparse
import os
import re
import struct
import sys
import hashlib
import binascii
__version__ = '1.0'
quiet = False
def status(msg):
""" Print status message to stderr """
if not quiet:
critical(msg)
def critical(msg):
""" Print critical message to stderr """
if not quiet:
sys.stderr.write(msg)
sys.stderr.write('\n')
def little_endian(buff, offset):
data = buff[offset:offset+4]
data.reverse()
data = ''.join(data)
return data
def main():
global quiet
parser = argparse.ArgumentParser(description='Prints otadata partition in human readable form.')
parser.add_argument('--quiet', '-q', help="Don't print status messages to stderr", action='store_true')
search_type = parser.add_mutually_exclusive_group()
parser.add_argument('input', help='Path to binary file containing otadata partition to parse.',
type=argparse.FileType('rb'))
args = parser.parse_args()
quiet = args.quiet
input = args.input.read()
hex_input_0 = binascii.hexlify(input)
hex_input_0 = map(''.join, zip(*[iter(hex_input_0)]*2))
hex_input_1 = binascii.hexlify(input[4096:])
hex_input_1 = map(''.join, zip(*[iter(hex_input_1)]*2))
print("\t%11s\t%8s |\t%8s\t%8s" %("OTA_SEQ", "CRC", "OTA_SEQ", "CRC"))
print("Firmware: 0x%s \t 0x%s |\t0x%s \t 0x%s" % (little_endian(hex_input_0, 0), little_endian(hex_input_0, 28), \
little_endian(hex_input_1, 0), little_endian(hex_input_1, 28)))
class InputError(RuntimeError):
def __init__(self, e):
super(InputError, self).__init__(e)
class ValidationError(InputError):
def __init__(self, partition, message):
super(ValidationError, self).__init__(
"Partition %s invalid: %s" % (partition.name, message))
if __name__ == '__main__':
try:
r = main()
sys.exit(r)
except InputError as e:
print(e, file=sys.stderr)
sys.exit(2)