diff options
| author | Clayton Smith <argilo@gmail.com> | 2019-07-27 13:33:45 -0400 |
|---|---|---|
| committer | Marcus Müller <marcus@hostalia.de> | 2019-07-29 21:53:12 +0200 |
| commit | 0efc461c35b2173fd0142e7ae56c50a1b104d058 (patch) | |
| tree | fb528d6063a8020564a3fd0c98452b5d69672d19 /gr-analog/python | |
| parent | c184e1f863d9425598cce1de01e6989b2d10dcb1 (diff) | |
Add basic tests for FM preemphasis and deemphasis
Diffstat (limited to 'gr-analog/python')
| -rw-r--r-- | gr-analog/python/analog/qa_fm_emph.py | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gr-analog/python/analog/qa_fm_emph.py b/gr-analog/python/analog/qa_fm_emph.py new file mode 100644 index 0000000000..228e4db4ca --- /dev/null +++ b/gr-analog/python/analog/qa_fm_emph.py @@ -0,0 +1,65 @@ +#!/usr/bin/env python +# +# Copyright 2019 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, analog, blocks + + +class test_fm_emph(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_001(self): + # Confirm that we can instantiate and run an FM preemphasis block + tb = self.tb + + src = analog.sig_source_f(48000, analog.GR_COS_WAVE, 5000.0, 1.0) + op = analog.fm_preemph(fs=48000, tau=75e-6, fh=-1.0) + head = blocks.head(gr.sizeof_float, 100) + dst = blocks.vector_sink_f() + + tb.connect(src, op) + tb.connect(op, head) + tb.connect(head, dst) + tb.run() + + def test_002(self): + # Confirm that we can instantiate and run an FM deemphasis block + tb = self.tb + + src = analog.sig_source_f(48000, analog.GR_COS_WAVE, 5000.0, 1.0) + op = analog.fm_deemph(fs=48000, tau=75e-6) + head = blocks.head(gr.sizeof_float, 100) + dst = blocks.vector_sink_f() + + tb.connect(src, op) + tb.connect(op, head) + tb.connect(head, dst) + tb.run() + + +if __name__ == '__main__': + gr_unittest.run(test_fm_emph) |