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