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author | Tom Rondeau | 2011-07-24 13:25:27 -0400 |
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committer | Tom Rondeau | 2011-07-24 13:25:27 -0400 |
commit | 1cb52da49230c64c3719b4ab944ba1cf5a9abb92 (patch) | |
tree | 4c8b5c27f529601b3d24e5650fbb38441a08f27f /gnuradio-core/src/python | |
parent | 03e8904ef8800a96cad1d3131eb5cf351b5d4fb5 (diff) | |
download | gnuradio-1cb52da49230c64c3719b4ab944ba1cf5a9abb92.tar.gz gnuradio-1cb52da49230c64c3719b4ab944ba1cf5a9abb92.tar.bz2 gnuradio-1cb52da49230c64c3719b4ab944ba1cf5a9abb92.zip |
digital: moved CRC32 from gnuradio-core to gr-digital. Also added QA code for it.
Diffstat (limited to 'gnuradio-core/src/python')
-rw-r--r-- | gnuradio-core/src/python/gnuradio/gruimpl/crc.py | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/gnuradio-core/src/python/gnuradio/gruimpl/crc.py b/gnuradio-core/src/python/gnuradio/gruimpl/crc.py deleted file mode 100644 index d31aca0ea..000000000 --- a/gnuradio-core/src/python/gnuradio/gruimpl/crc.py +++ /dev/null @@ -1,38 +0,0 @@ -# -# Copyright 2005,2007 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -from gnuradio import gr -from hexint import * -import struct - -def gen_and_append_crc32(s): - crc = gr.crc32(s) - return s + struct.pack(">I", hexint(crc) & 0xFFFFFFFF) - -def check_crc32(s): - if len(s) < 4: - return (False, '') - msg = s[:-4] - #print "msg = '%s'" % (msg,) - actual = gr.crc32(msg) - (expected,) = struct.unpack(">I", s[-4:]) - # print "actual =", hex(actual), "expected =", hex(expected) - return (actual == expected, msg) |