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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @file
# @author (C) 2018 by Vasil Velichkov <vvvelichkov@gmail.com>
# @section LICENSE
#
# Gr-gsm 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.
#
# Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
#
import numpy as np
from gnuradio import gr, gr_unittest, blocks
import grgsm_swig as grgsm
import pmt
class qa_tch_f_chans_demapper (gr_unittest.TestCase):
def setUp (self):
self.tb = gr.top_block ()
self.bursts = [
"1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"]
def tearDown (self):
self.tb = None
def test_fr_demapper (self):
"""
TCH/F Full Rate demapper
"""
frames = [
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29]
timeslots = [
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3
]
b = self.bursts
bursts = [
b[ 0], b[ 1], b[ 2], b[ 3], b[ 4], b[ 5], b[ 6], b[ 7],
b[ 8], b[ 9], b[10], b[11], b[12], #12 - sacch
b[13], b[14], b[15], b[16], b[17], b[18], b[19], b[20],
b[21], b[22], b[23], b[24], b[25], #25 - idle
b[26], b[27], b[28], b[29], b[30]
]
src = grgsm.burst_source(frames, timeslots, bursts)
demapper = grgsm.tch_f_chans_demapper(3)
tch = grgsm.burst_sink()
acch = grgsm.burst_sink()
self.tb.msg_connect(src, "out", demapper, "bursts")
self.tb.msg_connect(demapper, "tch_bursts", tch, "in")
self.tb.msg_connect(demapper, "acch_bursts", acch, "in")
self.tb.run ()
self.assertEqual([
b[ 0], b[ 1], b[ 2], b[ 3], b[ 4], b[ 5], b[ 6], b[ 7],
b[ 4], b[ 5], b[ 6], b[ 7], b[ 8], b[ 9], b[10], b[11],
b[ 8], b[ 9], b[10], b[11],
b[13], b[14], b[15], b[16],
b[13], b[14], b[15], b[16], b[17], b[18], b[19], b[20],
b[17], b[18], b[19], b[20], b[21], b[22], b[23], b[24],
b[21], b[22], b[23], b[24],
b[26], b[27], b[28], b[29],
], list(tch.get_burst_data()))
self.assertEqual([], list(acch.get_burst_data()))
def sacch_fr_test (self, ts, frames, bursts):
timeslots = [ts, ts, ts, ts, ts, ts, ts, ts]
src = grgsm.burst_source(frames, timeslots, bursts)
demapper = grgsm.tch_f_chans_demapper(ts)
tch = grgsm.burst_sink()
acch = grgsm.burst_sink()
self.tb.msg_connect(src, "out", demapper, "bursts")
self.tb.msg_connect(demapper, "tch_bursts", tch, "in")
self.tb.msg_connect(demapper, "acch_bursts", acch, "in")
self.tb.run ()
self.assertEqual([], list(tch.get_burst_data()))
return list(acch.get_burst_data())
def test_sacch_tf (self):
"""
SACCH/TF tests
"""
b = self.bursts
bursts=[b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]]
even = [b[0], b[2], b[4], b[6]]
odd = [b[1], b[3], b[5], b[7]]
self.assertEqual(even, self.sacch_fr_test(ts=0, frames=[12, 25, 38, 51, 64, 77, 90, 103], bursts=bursts))
self.assertEqual(odd, self.sacch_fr_test(ts=1, frames=[12, 25, 38, 51, 64, 77, 90, 103], bursts=bursts))
self.assertEqual(even, self.sacch_fr_test(ts=2, frames=[38, 51, 64, 77, 90, 103, 116, 129], bursts=bursts))
self.assertEqual(odd, self.sacch_fr_test(ts=3, frames=[38, 51, 64, 77, 90, 103, 116, 129], bursts=bursts))
self.assertEqual(even, self.sacch_fr_test(ts=4, frames=[64, 77, 90, 103, 116, 129, 142, 155], bursts=bursts))
self.assertEqual(odd, self.sacch_fr_test(ts=5, frames=[64, 77, 90, 103, 116, 129, 142, 155], bursts=bursts))
self.assertEqual(even, self.sacch_fr_test(ts=6, frames=[90, 103, 116, 129, 142, 155, 168, 181], bursts=bursts))
self.assertEqual(odd, self.sacch_fr_test(ts=7, frames=[90, 103, 116, 129, 142, 155, 168, 181], bursts=bursts))
if __name__ == '__main__':
gr_unittest.run(qa_tch_f_chans_demapper, "qa_tch_f_chans_demapper.xml")
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