2017-06-27 20:23:30 -04:00
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#!/usr/bin/env python2
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2016-05-25 11:37:40 -04:00
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# Script to parse a serial port data dump
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#
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# Copyright (C) 2016 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import os, sys, logging
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import msgproto
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def read_dictionary(filename):
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dfile = open(filename, 'rb')
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dictionary = dfile.read()
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dfile.close()
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return dictionary
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def main():
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dict_filename, data_filename = sys.argv[1:]
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dictionary = read_dictionary(dict_filename)
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mp = msgproto.MessageParser()
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mp.process_identify(dictionary, decompress=False)
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f = open(data_filename, 'rb')
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fd = f.fileno()
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data = ""
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while 1:
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newdata = os.read(fd, 4096)
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if not newdata:
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break
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data += newdata
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while 1:
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l = mp.check_packet(data)
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if l == 0:
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break
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if l < 0:
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logging.error("Invalid data")
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data = data[-l:]
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continue
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msgs = mp.dump(bytearray(data[:l]))
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sys.stdout.write('\n'.join(msgs[1:]) + '\n')
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data = data[l:]
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if __name__ == '__main__':
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main()
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