mirror of https://gerrit.osmocom.org/libusrp
51 lines
1.4 KiB
Python
Executable File
51 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2003 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GNU Radio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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import sys
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import struct
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fin = sys.stdin
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count = 0
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expected = 0
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last_correction = 0
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while 1:
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s = fin.read(2)
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if not s or len(s) != 2:
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break
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v, = struct.unpack ('H', s)
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iv = int(v) & 0xffff
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# print "%8d %6d 0x%04x" % (count, iv, iv)
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if count & 0x1: # only counting on the Q channel
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if (expected & 0xffff) != iv:
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print "%8d (%6d) %6d 0x%04x" % (count, count - last_correction, iv, iv)
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expected = iv # reset expected sequence
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last_correction = count
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expected = (expected + 1) & 0xffff
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count += 1
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