From a444c2a5cf19333f981d007be7f6ecb96f85bb6a Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Thu, 21 Jul 2011 23:35:03 -0400
Subject: digital: moving correlate_access_code to gr-digital.
---
gr-digital/python/qa_correlate_access_code.py | 84 +++++++++++++++++++++++++++
1 file changed, 84 insertions(+)
create mode 100755 gr-digital/python/qa_correlate_access_code.py
(limited to 'gr-digital/python/qa_correlate_access_code.py')
diff --git a/gr-digital/python/qa_correlate_access_code.py b/gr-digital/python/qa_correlate_access_code.py
new file mode 100755
index 0000000000..6b6f25051e
--- /dev/null
+++ b/gr-digital/python/qa_correlate_access_code.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python
+#
+# Copyright 2006,2007,2010,2011 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
+import digital_swig
+import math
+
+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
+ # 0 0 0 1 0 0 0 1
+ src_data = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0,) * 7
+ expected_result = pad + (1, 0, 1, 1, 3, 1, 0, 1, 1, 2) + (0,) * 6
+ src = gr.vector_source_b (src_data)
+ op = digital_swig.correlate_access_code_bb("1011", 0)
+ dst = gr.vector_sink_b ()
+ self.tb.connect (src, op, dst)
+ self.tb.run ()
+ result_data = dst.data ()
+ self.assertEqual (expected_result, result_data)
+
+
+ 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 = gr.vector_source_b (src_data)
+ op = digital_swig.correlate_access_code_bb(access_code, 0)
+ dst = gr.vector_sink_b ()
+ self.tb.connect (src, op, dst)
+ self.tb.run ()
+ result_data = dst.data ()
+ self.assertEqual (expected_result, result_data)
+
+
+
+if __name__ == '__main__':
+ gr_unittest.run(test_correlate_access_code, "test_correlate_access_code.xml")
+
--
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