diff options
| author | Nick Foster <bistromath@gmail.com> | 2014-03-27 17:50:41 -0700 |
|---|---|---|
| committer | Nick Foster <bistromath@gmail.com> | 2014-03-27 17:50:41 -0700 |
| commit | 6b9afd3f8eeb1ddcc571d24b2d82d951c6b504d0 (patch) | |
| tree | 7f019ae58bfcfa71e9edd954ed635da257c104f9 /gr-digital/python/digital/qa_hdlc_framer.py | |
| parent | 655646c7bb84a14341dc1e06f955103aa28464c5 (diff) | |
Add QA code to HDLC framer/deframer.
Diffstat (limited to 'gr-digital/python/digital/qa_hdlc_framer.py')
| -rwxr-xr-x | gr-digital/python/digital/qa_hdlc_framer.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gr-digital/python/digital/qa_hdlc_framer.py b/gr-digital/python/digital/qa_hdlc_framer.py new file mode 100755 index 0000000000..f8d1923de1 --- /dev/null +++ b/gr-digital/python/digital/qa_hdlc_framer.py @@ -0,0 +1,64 @@ +#!/usr/bin/env python +# +# Copyright 2006,2007,2010,2011,2013 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, digital, blocks +import pmt +import numpy +from time import sleep + +class test_hdlc_framer(gr_unittest.TestCase): + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_001(self): + #test complementary operation of framer & deframer + #want to frame some random data that has enough consecutive bits to + #stuff at least a few bits + npkts = 20 + src_data = [0xFE, 0xDA, 0xAC, 0x29, 0x7F, 0xA2, 0x90, 0x0F, 0xF8] + frame = digital.hdlc_framer_pb("wat") + corr = digital.correlate_access_code_tag_bb("01111110", 0, "frame") + deframe = digital.hdlc_deframer_bp("frame", 32, 500) + debug = blocks.message_debug() + self.tb.connect(frame, corr, deframe) + self.tb.msg_connect(deframe, "out", debug, "store") + self.tb.start() + msg = pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(src_data),src_data)) + for i in xrange(npkts): + frame.to_basic_block()._post(pmt.intern("in"), msg) + sleep(0.2) + self.tb.stop() + self.tb.wait() + rxmsg = debug.get_message(0) + result_len = pmt.blob_length(pmt.cdr(rxmsg)) + msg_data = [] + for j in xrange(result_len): + msg_data.append(pmt.u8vector_ref(pmt.cdr(rxmsg), j)) + self.assertEqual(src_data, msg_data) + + +if __name__ == '__main__': + gr_unittest.run(test_hdlc_framer, "test_hdlc_framer.xml") + |