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#!/usr/bin/env python
#
# Copyright 2012,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from gnuradio import gr, gr_unittest, analog, blocks
class test_simple_squelch(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_simple_squelch_001(self):
# Test set/gets
alpha = 0.0001
thr1 = 10
thr2 = 20
op = analog.simple_squelch_cc(thr1, alpha)
op.set_threshold(thr2)
t = op.threshold()
self.assertEqual(thr2, t)
def test_simple_squelch_002(self):
alpha = 0.0001
thr = -25
src_data = [float(x) / 10.0 for x in range(1, 40)]
src = blocks.vector_source_c(src_data)
op = analog.simple_squelch_cc(thr, alpha)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
expected_result = src_data
expected_result[0:20] = 20 * [0, ]
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 4)
if __name__ == '__main__':
gr_unittest.run(test_simple_squelch)
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