From f968b36d4ed2b194111585605f9a1b5367638fb3 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_header_payload_demux.py | 78 ++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100755 gr-digital/python/qa_header_payload_demux.py
(limited to 'gr-digital/python/qa_header_payload_demux.py')
diff --git a/gr-digital/python/qa_header_payload_demux.py b/gr-digital/python/qa_header_payload_demux.py
new file mode 100755
index 0000000000..15b3eadcf8
--- /dev/null
+++ b/gr-digital/python/qa_header_payload_demux.py
@@ -0,0 +1,78 @@
+#!/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
+try: import pmt
+except: from gruel import pmt
+import digital_swig as digital
+import time
+
+class qa_header_payload_demux (gr_unittest.TestCase):
+
+ def setUp (self):
+ self.tb = gr.top_block ()
+
+ def tearDown (self):
+ self.tb = None
+
+ def test_001_t (self):
+ """ Simplest possible test: put in zeros, then header,
+ then payload, trigger signal, try to demux.
+ The return signal from the header parser is faked via _post()
+ """
+ n_zeros = 100
+ header = (1, 2, 3)
+ payload = tuple(range(17))
+ data_signal = (0,) * n_zeros + header + payload
+ trigger_signal = [0,] * len(data_signal)
+ trigger_signal[n_zeros] = 1
+
+ data_src = gr.vector_source_f(data_signal, False)
+ trigger_src = gr.vector_source_b(trigger_signal, False)
+ hpd = digital.header_payload_demux(
+ len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
+ )
+ self.assertEqual(pmt.pmt_length(hpd.message_ports_in()), 1)
+ header_sink = gr.vector_sink_f()
+ payload_sink = gr.vector_sink_f()
+
+ self.tb.connect(data_src, (hpd, 0))
+ self.tb.connect(trigger_src, (hpd, 1))
+ self.tb.connect((hpd, 0), header_sink)
+ self.tb.connect((hpd, 1), payload_sink)
+ self.tb.start()
+ time.sleep(.2) # Need this, otherwise, the next message is ignored
+ hpd.to_basic_block()._post(
+ pmt.pmt_intern('header_data'),
+ pmt.pmt_from_long(len(payload))
+ )
+ while len(payload_sink.data()) < len(payload):
+ time.sleep(.2)
+ self.tb.stop()
+ self.tb.wait()
+
+ self.assertEqual(header_sink.data(), header)
+ self.assertEqual(payload_sink.data(), payload)
+
+
+if __name__ == '__main__':
+ gr_unittest.run(qa_header_payload_demux, "qa_header_payload_demux.xml")
+
--
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