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| author | Ben Reynwar <ben@reynwar.net> | 2013-04-02 23:04:08 -0700 |
|---|---|---|
| committer | Ben Reynwar <ben@reynwar.net> | 2013-04-02 23:04:08 -0700 |
| commit | c6dbde23b256a41b3d92cb4ad6b63287095d53c7 (patch) | |
| tree | 71db12ea2e1667770c22568dcdf5e0857d5f1e59 /gr-blocks/python/qa_vco.py | |
| parent | 22b70d0889ef3c51e27a31ee18d153093a55cbb8 (diff) | |
| parent | 98758cbfa9a2aff714952d19e773bc370dfa2185 (diff) | |
Merged next into uninstalled import branch.
Diffstat (limited to 'gr-blocks/python/qa_vco.py')
| -rw-r--r-- | gr-blocks/python/qa_vco.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gr-blocks/python/qa_vco.py b/gr-blocks/python/qa_vco.py new file mode 100644 index 0000000000..23ff636d86 --- /dev/null +++ b/gr-blocks/python/qa_vco.py @@ -0,0 +1,59 @@ +#!/usr/bin/env python +# +# Copyright 2013 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 blocks_swig as blocks +import math + +def sig_source_f(samp_rate, freq, amp, N): + t = map(lambda x: float(x)/samp_rate, xrange(N)) + y = map(lambda x: amp*math.cos(2.*math.pi*freq*x), t) + return y + +class test_vco(gr_unittest.TestCase): + + def setUp (self): + self.tb = gr.top_block () + + def tearDown (self): + self.tb = None + + def test_001(self): + src_data = 200*[0,] + 200*[0.5,] + 200*[1,] + expected_result = 200*[1,] + \ + sig_source_f(1, 0.125, 1, 200) + \ + sig_source_f(1, 0.25, 1, 200) + + src = blocks.vector_source_f(src_data) + op = blocks.vco_f(1, math.pi/2.0, 1) + dst = blocks.vector_sink_f() + + self.tb.connect(src, op, dst) + self.tb.run() + + result_data = dst.data() + self.assertFloatTuplesAlmostEqual(expected_result, result_data, 5) + + +if __name__ == '__main__': + gr_unittest.run(test_vco, "test_vco.xml") + |