3 # Copyright 2003 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
33 if not s or len(s) != 2:
36 v, = struct.unpack ('H', s)
38 # print "%8d %6d 0x%04x" % (count, iv, iv)
39 if count & 0x1: # only counting on the Q channel
40 if (expected & 0xffff) != iv:
41 print "%8d (%6d) %6d 0x%04x" % (count, count - last_correction, iv, iv)
42 expected = iv # reset expected sequence
43 last_correction = count
44 expected = (expected + 1) & 0xffff