[Commit-gnuradio] git://gnuradio.org/jcorgan branch, master, updated. 3.3git-696-g1ae689f

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- Log -----------------------------------------------------------------
commit 1ae689ff9238dcffbf65881b8ca03aa8df3844aa
Author: Johnathan Corgan <address@hidden>
Date:   Sun Mar 21 16:17:15 2010 -0700

    Add new block gr.additive_scrambler_bb()
    
    This block performs scrambling by XORing the input sequence with
    the output of an LFSR.  Repeating this operation restores the original
    sequence.
    
    (This differs from gr.scrambler_bb(), which convolves the input sequence
    with the LFSR output.)
    
    The additive scrambler allows an optional bit count after which the LFSR
    is reset to its initial seed.  This allows use with, e.g., packetized
    fixed length payloads.

-----------------------------------------------------------------------

Summary of changes:
 gnuradio-core/src/lib/general/Makefile.am          |    3 ++
 gnuradio-core/src/lib/general/general.i            |    2 +
 ...scrambler_bb.cc => gr_additive_scrambler_bb.cc} |   35 ++++++++++++-------
 ...r_scrambler_bb.h => gr_additive_scrambler_bb.h} |   28 ++++++++++------
 .../{gr_cpfsk_bc.i => gr_additive_scrambler_bb.i}  |   13 +++----
 gnuradio-core/src/lib/general/gri_lfsr.h           |   12 ++++++-
 .../src/python/gnuradio/gr/qa_scrambler.py         |   20 +++++++++++
 grc/blocks/Makefile.am                             |    1 +
 grc/blocks/block_tree.xml                          |    1 +
 ...rambler_bb.xml => gr_additive_scrambler_bb.xml} |   14 ++++++--
 10 files changed, 92 insertions(+), 37 deletions(-)
 copy gnuradio-core/src/lib/general/{gr_scrambler_bb.cc => 
gr_additive_scrambler_bb.cc} (58%)
 copy gnuradio-core/src/lib/general/{gr_scrambler_bb.h => 
gr_additive_scrambler_bb.h} (57%)
 copy gnuradio-core/src/lib/general/{gr_cpfsk_bc.i => 
gr_additive_scrambler_bb.i} (70%)
 copy grc/blocks/{gr_descrambler_bb.xml => gr_additive_scrambler_bb.xml} (70%)


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