diff options
| author | Nick Foster <bistromath@gmail.com> | 2014-10-31 22:30:01 -0700 |
|---|---|---|
| committer | Nick Foster <bistromath@gmail.com> | 2014-11-01 16:33:45 -0700 |
| commit | 8d57134396dfbf72a08147b5b9ed04cca3d5567e (patch) | |
| tree | cc6df74232cc43e03f641340096312b25783b0f0 /gr-digital/python | |
| parent | 5b8ac4dfaab5cf9795156e3872c2a4a91d92ce02 (diff) | |
digital: fix false trigger bug in correlate_access_code_tag, add QA code.
Diffstat (limited to 'gr-digital/python')
| -rwxr-xr-x | gr-digital/python/digital/qa_correlate_access_code_tag.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gr-digital/python/digital/qa_correlate_access_code_tag.py b/gr-digital/python/digital/qa_correlate_access_code_tag.py new file mode 100755 index 0000000000..f2663e4ecc --- /dev/null +++ b/gr-digital/python/digital/qa_correlate_access_code_tag.py @@ -0,0 +1,80 @@ +#!/usr/bin/env python +# +# Copyright 2006,2007,2010,2011,2013 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, gr_unittest, digital, blocks + +default_access_code = '\xAC\xDD\xA4\xE2\xF2\x8C\x20\xFC' + +def string_to_1_0_list(s): + r = [] + for ch in s: + x = ord(ch) + for i in range(8): + t = (x >> i) & 0x1 + r.append(t) + + return r + +def to_1_0_string(L): + return ''.join(map(lambda x: chr(x + ord('0')), L)) + +class test_correlate_access_code(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_001(self): + pad = (0,) * 64 + src_data = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0,) * 7 + src = blocks.vector_source_b(src_data) + op = digital.correlate_access_code_tag_bb("1011", 0, "sync") + dst = blocks.tag_debug(1, "sync") + self.tb.connect(src, op, dst) + self.tb.run() + result_data = dst.current_tags() + self.assertEqual(len(result_data), 2) + self.assertEqual(result_data[0].offset, 4) + self.assertEqual(result_data[1].offset, 9) + + def test_002(self): + code = tuple(string_to_1_0_list(default_access_code)) + access_code = to_1_0_string(code) + pad = (0,) * 64 + #print code + #print access_code + src_data = code + (1, 0, 1, 1) + pad + expected_result = pad + code + (3, 0, 1, 1) + src = blocks.vector_source_b(src_data) + op = digital.correlate_access_code_tag_bb(access_code, 0, "sync") + dst = blocks.tag_debug(1, "sync") + self.tb.connect(src, op, dst) + self.tb.run() + result_data = dst.current_tags() + self.assertEqual(len(result_data), 1) + self.assertEqual(result_data[0].offset, len(code)) + +if __name__ == '__main__': + gr_unittest.run(test_correlate_access_code, "test_correlate_access_code_tag.xml") + |