1 files changed, 80 insertions, 0 deletions
diff --git a/gr-analog/python/qa_fmdet.py b/gr-analog/python/qa_fmdet.py
new file mode 100755
index 000000000..b90ef2ffa
--- /dev/null
+++ b/gr-analog/python/qa_fmdet.py
@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+#
+# Copyright 2012 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 analog_swig as analog
+import math
+
+class test_fmdet_cf(gr_unittest.TestCase):
+
+    def setUp(self):
+        self.tb = gr.top_block()
+
+    def tearDown(self):
+        self.tb = None
+
+    def test_fmdet_cf_001(self):
+        # Test set/gets
+
+        fh1 = 10
+        fh2 = 20
+        fl1 = 1
+        fl2 = 2
+        scale1 = 3
+        scale2 = 4
+        op = analog.fmdet_cf(1, fl1, fh1, scale1)
+
+        op.set_freq_range(fl2, fh2)
+        lo = op.freq_low()
+        hi = op.freq_high()
+        f  = op.freq()
+        self.assertEqual(fl2, lo)
+        self.assertEqual(fh2, hi)
+        self.assertEqual(0, f)
+
+        op.set_scale(scale2)
+        s = op.scale()
+        b = op.bias()
+        eb = 0.5*scale2*(hi + lo) / (hi - lo);
+        self.assertEqual(scale2, s)
+        self.assertAlmostEqual(eb, b)
+
+    # FIXME: This passes QA, but the it's only based off what the
+    # block is saying, not what the values should actually be.
+    def est_fmdet_cf_002(self):
+        N = 100
+        src = gr.sig_source_c(1, gr.GR_SIN_WAVE, 0.2, 1)
+        head = gr.head(gr.sizeof_gr_complex, N)
+        op = analog.fmdet_cf(1, 0.1, 0.3, 0.1)
+        dst = gr.vector_sink_f()
+
+        self.tb.connect(src, head, op)
+        self.tb.connect(op, dst)
+        self.tb.run()
+
+        result_data = dst.data()[4:N]
+        expected_result = (100-4)*[-0.21755,]
+        self.assertFloatTuplesAlmostEqual(expected_result, result_data, 4)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_fmdet_cf, "test_fmdet_cf.xml")
+