/
qa_correlate_access_code_tag.py
111 lines (96 loc) · 3.8 KB
/
qa_correlate_access_code_tag.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
#!/usr/bin/env python
#
# Copyright 2006,2007,2010,2011,2013,2017 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([chr(x + ord('0')) for x in 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(gr.sizeof_char, "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
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb(access_code, 0, "sync")
dst = blocks.tag_debug(gr.sizeof_char, "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))
def test_003(self):
pad = (0,) * 64
src_bits = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0,) * 7
src_data = [2.0*x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff("1011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "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_004(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_bits = code + (1, 0, 1, 1) + pad
src_data = [2.0*x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff(access_code, 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "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")