1 files changed, 76 insertions, 0 deletions
diff --git a/gr-analog/python/qa_dpll.py b/gr-analog/python/qa_dpll.py
new file mode 100755
index 000000000..3ef8a6e28
--- /dev/null
+++ b/gr-analog/python/qa_dpll.py
@@ -0,0 +1,76 @@
+#!/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_dpll_bb(gr_unittest.TestCase):
+
+    def setUp(self):
+        self.tb = gr.top_block()
+
+    def tearDown(self):
+        self.tb = None
+
+    def test_dpll_bb_001(self):
+        # Test set/gets
+        
+        period = 1.0
+        gain = 0.1
+        op = analog.dpll_bb(period, gain)
+
+        op.set_gain(0.2)
+        g = op.gain()
+        self.assertAlmostEqual(g, 0.2)
+
+        f = op.freq()
+        self.assertEqual(1/period, f)
+
+        d0 = 1.0 - 0.5*f;
+        d1 = op.decision_threshold()
+        self.assertAlmostEqual(d0, d1)
+
+        p = op.phase()
+        self.assertEqual(0, p)
+
+    def test_dpll_bb_002(self):
+        period = 4
+        gain = 0.1
+
+        src_data = 10*((period-1)*[0,] + [1,])
+        expected_result = src_data
+
+        src = gr.vector_source_b(src_data)
+        op = analog.dpll_bb(period, gain)
+        dst = gr.vector_sink_b()
+
+        self.tb.connect(src, op)
+        self.tb.connect(op, dst)
+        self.tb.run()
+
+        result_data = dst.data()
+        self.assertComplexTuplesAlmostEqual(expected_result, result_data, 4)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_dpll_bb, "test_dpll_bb.xml")
+