From 7fd15b67afa5abd20c0982bdd6bcb7191831bf73 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@kit.edu>
Date: Fri, 15 Mar 2013 02:12:20 -0700
Subject: Squash/rebased martin/ofdm-master onto trial merge branch
Conflicts:
gr-blocks/include/blocks/CMakeLists.txt
---
gr-digital/python/qa_ts_insert_zeros.py | 77 +++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 gr-digital/python/qa_ts_insert_zeros.py
(limited to 'gr-digital/python/qa_ts_insert_zeros.py')
diff --git a/gr-digital/python/qa_ts_insert_zeros.py b/gr-digital/python/qa_ts_insert_zeros.py
new file mode 100644
index 0000000000..9e71e8df28
--- /dev/null
+++ b/gr-digital/python/qa_ts_insert_zeros.py
@@ -0,0 +1,77 @@
+#!/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.
+#
+
+import time
+import itertools
+
+from gnuradio import gr, gr_unittest
+try: import pmt
+except: from gruel import pmt
+import digital_swig as digital
+from utils import tagged_streams
+
+class qa_ts_insert_zeros (gr_unittest.TestCase):
+
+ def test_one(self):
+ n_packets = 10
+ packet_length = 1000
+ packets = [[i]*packet_length for i in range(1, n_packets+1)]
+ tagname = "packet_length"
+ data, tags = tagged_streams.packets_to_vectors(packets, tagname)
+ tb = gr.top_block()
+ src = gr.vector_source_c(data, False, 1, tags)
+ rate_in = 16000
+ rate_out = 48000
+ ratio = float(rate_out) / rate_in
+ throttle1 = gr.throttle(gr.sizeof_gr_complex, rate_in)
+ insert_zeros = digital.ts_insert_zeros_cc(tagname)
+ throttle2 = gr.throttle(gr.sizeof_gr_complex, rate_out)
+ head = gr.head(gr.sizeof_gr_complex, int(n_packets * packet_length * ratio*2))
+ snk = gr.vector_sink_c()
+ tb.connect(src, throttle1, insert_zeros, throttle2, head, snk)
+ tb.run()
+ data = snk.data()
+ state = 1
+ pos = 0
+ last_non_zero = 0
+ for i, d in enumerate(data):
+ if d != 0:
+ last_non_zero = i
+ if pos == 0:
+ if (d == state):
+ pos = pos + 1
+ elif (d != 0):
+ raise ValueError("Invalid")
+ elif pos > 0:
+ if (d != state):
+ raise ValueError("Invalid")
+ pos = pos + 1
+ if pos == packet_length:
+ state += 1
+ pos = 0
+ min_ratio = ratio-1
+ max_ratio = ratio+1
+ self.assertEqual(state-1, n_packets)
+ self.assertTrue(last_non_zero > min_ratio*packet_length*n_packets)
+ self.assertTrue(last_non_zero < max_ratio*packet_length*n_packets)
+
+if __name__ == '__main__':
+ gr_unittest.run(qa_ts_insert_zeros, "qa_ts_insert_zeros.xml")
--
cgit v1.2.3