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| -rwxr-xr-x | gr-digital/python/digital/qa_correlate_access_code_XX_ts.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py b/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py new file mode 100755 index 0000000000..5429ce1e07 --- /dev/null +++ b/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py @@ -0,0 +1,90 @@ +#!/usr/bin/env python +# +# Copyright 2006,2007,2010,2011,2013,2016 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 +import pmt + +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_XX_ts(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_001(self): + payload = "test packet" # payload length is 11 bytes + header = "\x00\xd0\x00\xd0" # header contains packet length, twice (bit-swapped) + packet = header + payload + pad = (0,) * 64 + src_data = (0, 0, 1, 1, 1, 1, 0, 1, 1) + tuple(string_to_1_0_list(packet)) + pad + expected = tuple(map(long, src_data[9+32:-len(pad)])) + src = blocks.vector_source_b(src_data) + op = digital.correlate_access_code_bb_ts("1011", 0, "sync") + dst = blocks.vector_sink_b() + self.tb.connect(src, op, dst) + self.tb.run() + result_data = dst.data() + result_tags = dst.tags() + self.assertEqual(len(result_data), len(payload)*8) + self.assertEqual(result_tags[0].offset, 0) + self.assertEqual(pmt.to_long(result_tags[0].value), len(payload)*8) + self.assertEqual(result_data, expected) + + def test_002(self): + payload = "test packet" # payload length is 11 bytes + header = "\x00\xd0\x00\xd0" # header contains packet length, twice (bit-swapped) + packet = header + payload + pad = (0,) * 64 + src_data = (0, 0, 1, 1, 1, 1, 0, 1, 1) + tuple(string_to_1_0_list(packet)) + pad + src_floats = tuple(2*b-1 for b in src_data) # convert to binary antipodal symbols (-1,1) + expected = src_floats[9+32:-len(pad)] + src = blocks.vector_source_f(src_floats) + op = digital.correlate_access_code_ff_ts("1011", 0, "sync") + dst = blocks.vector_sink_f() + self.tb.connect(src, op, dst) + self.tb.run() + result_data = dst.data() + result_tags = dst.tags() + self.assertEqual(len(result_data), len(payload)*8) + self.assertEqual(result_tags[0].offset, 0) + self.assertEqual(pmt.to_long(result_tags[0].value), len(payload)*8) + self.assertFloatTuplesAlmostEqual(result_data, expected, 5) + + +if __name__ == '__main__': + gr_unittest.run(test_correlate_access_code_XX_ts, "test_correlate_access_code_XX_ts.xml") + |