Merge branch 'analog'

1 files changed, 161 insertions, 0 deletions

diff --git a/gr-analog/python/qa_pll_freqdet.py b/gr-analog/python/qa_pll_freqdet.py
new file mode 100755
index 000000000..1f808afa6
--- /dev/null
+++ b/gr-analog/python/qa_pll_freqdet.py
@@ -0,0 +1,161 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2007,2010-2012 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_pll_freqdet(gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_pll_freqdet(self):
+        expected_result = (0.0,
+                           4.33888922882e-08,
+                           0.367369994515,
+                           1.08135249597,
+                           2.10983253908,
+                           3.42221529438,
+                           4.98940390402,
+                           6.78379190842,
+                           8.77923286024,
+                           10.9510106794,
+                           13.2758363182,
+                           15.7317829127,
+                           18.2982902299,
+                           20.9561068599,
+                           23.6755271122,
+                           26.452952094,
+                           29.2731265301,
+                           32.1219053479,
+                           34.9862418188,
+                           37.8540971414,
+                           40.7144315483,
+                           43.5571390869,
+                           46.3730179743,
+                           49.1537231663,
+                           51.8917218889,
+                           54.58026103,
+                           57.2015358514,
+                           59.7513664199,
+                           62.2380533124,
+                           64.657612252,
+                           67.006640002,
+                           69.2822432184,
+                           71.4820384499,
+                           73.6041047056,
+                           75.6469478817,
+                           77.6094829742,
+                           79.4909866472,
+                           81.2911031615,
+                           83.0097850853,
+                           84.6355598352,
+                           86.1820937186,
+                           87.6504420946,
+                           89.0418441206,
+                           90.3577286819,
+                           91.5996432431,
+                           92.7692775646,
+                           93.8684162704,
+                           94.8989269904,
+                           95.8627662892,
+                           96.7619381633,
+                           97.598505899,
+                           98.362769679,
+                           99.0579904444,
+                           99.6992633875,
+                           100.288805948,
+                           100.828805921,
+                           101.321421457,
+                           101.76878699,
+                           102.17300138,
+                           102.536116055,
+                           102.860158727,
+                           103.147085962,
+                           103.398830608,
+                           103.617254366,
+                           103.792467691,
+                           103.939387906,
+                           104.060030865,
+                           104.15631756,
+                           104.230085975,
+                           104.283067372,
+                           104.316933727,
+                           104.333238432,
+                           104.333440018,
+                           104.318914008,
+                           104.290941063,
+                           104.250742554,
+                           104.187634452,
+                           104.103822339,
+                           104.013227468,
+                           103.916810336,
+                           103.815448432,
+                           103.709936239,
+                           103.600997093,
+                           103.489283183,
+                           103.375351833,
+                           103.259712936,
+                           103.142828952,
+                           103.025091195,
+                           102.90686726,
+                           102.776726069,
+                           102.648078982,
+                           102.521459607,
+                           102.397294831,
+                           102.275999684,
+                           102.157882471,
+                           102.043215927,
+                           101.93218978,
+                           101.824958181,
+                           101.72159228,
+                           101.622151366)
+
+        sampling_freq = 10e3
+        freq = sampling_freq / 100
+
+        loop_bw = math.pi/100.0
+        maxf = 1
+        minf = -1
+
+        src = gr.sig_source_c(sampling_freq, gr.GR_COS_WAVE, freq, 1.0)
+        pll = analog.pll_freqdet_cf(loop_bw, maxf, minf)
+        head = gr.head(gr.sizeof_float, int (freq))
+        dst = gr.vector_sink_f()
+
+        self.tb.connect(src, pll, head)
+        self.tb.connect(head, dst)
+
+        self.tb.run()
+        dst_data = dst.data()
+
+        # convert it from normalized frequency to absolute frequency (Hz)
+        dst_data = [i*(sampling_freq/(2*math.pi)) for i in dst_data]
+
+        self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 3)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_pll_freqdet, "test_pll_freqdet.xml")