From 2479152d5c78f980755d6b1766df399c75154e8c Mon Sep 17 00:00:00 2001 From: Vasil Velichkov Date: Tue, 8 May 2018 03:41:48 +0300 Subject: Add TCH/H decoder tests --- python/qa_tch_h_decoder.py | 190 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100755 python/qa_tch_h_decoder.py diff --git a/python/qa_tch_h_decoder.py b/python/qa_tch_h_decoder.py new file mode 100755 index 0000000..b0bd469 --- /dev/null +++ b/python/qa_tch_h_decoder.py @@ -0,0 +1,190 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# @file +# @author (C) 2018 by Vasil Velichkov +# @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_h_decoder (gr_unittest.TestCase): + + def setUp (self): + self.tb = gr.top_block () + self.b = [ + "0001010001011010010000111100010101011011110000001011100101110010011101011000001001110100100010011111111000001001011000001100100010001011011000010000", + "0000000110100000010101000111011101101100010000101101000011000010011101011000001001110100001111000111000010100010111111011000001010111101110001000000", + "0000001101101000100100101101000011110011010110111100110000100010011101011000001001110100001110011100011000010000000111110100111110001101101100100000", + "0000011111010101110111001101111001001111010010000011111111010010011101011000001001110100010110000010000000000011100101111111010101111101111011101000", + "0001001110111000101001110001010011001101101111000010111100010010011101011000001001110100111000111011000111111100001011011011111001011100110111001000", + "0000110110000101000011001001011110110110001110001000010001000010011101011000001001110100000010100001010001011000000110001110011110001000111100110000", + "0000001101100010101011110100000010110100111110010010001100010010011101011000001001110100100000110001101011011101011110000110100010111100101011011000", + "0001111110100000011111010011100100001101011101000011011000000010011101011000001001110100100111110010000011100011000011001110001111110000001010011000", + "0001010100101010111010111001000100010100000010101011010011011010011101011000001001110100010100011100101110101110000000000111101011111111100011000000", + "0000000011011011101011000101000001001110001011101000100001011010011101011000001001110100000100011110101010100011010101010100101011101010000100000000", + "0001010110101001110001111001110100011010000110100000111001110010011101011000001001110100100100010101000100001100100000111111000001010111100011000000", + "0001100000100001100001100101101001101110001000101011100001010010011101011000001001110100110010110101000100100011011101111100000011100010000100000000", + "0001010110100000010010111001000100011110101010100001010001110010011101011000001001110100110100010100000110001100000000100111000011011111100011000000", + "0000101001110011000001000101001001101110001001100000100001110010011101011000001001110100100110110100001000100011111101111110101011100000100100000000", + + #FACCH framces 14 - 21 + "0001011000000010000000001000010111001000101111010000000010110010011101011000001001110101100000100000010010100000101000011000100011100010100000110000", + "0000010101111010111010000001100001110101111100001010101001100010011101011000001001110101111101111101101110000010110011111111110101010000001000110000", + "0000000000111110101010100001000000001000101110100010100100011010011101011000001001110101001010101011101010100000010100000000101111101000000000010000", + "0000001010010101011111011011101010101000000001011111111110101010011101011000001001110101101000010000010101111011111010100001010001011101111010101000", + "0001010100101010111010111001000100010100000010101011010011011010011101011000001001110100010100011100101110101110000000000111101011111111100011000000", + "0000000011011011101011000101000001001110001011101000100001011010011101011000001001110100000100011110101010100011010101010100101011101010000100000000", + "0001010110101001110001111001110100011010000110100000111001110010011101011000001001110100100100010101000100001100100000111111000001010111100011000000", + "0001100000100001100001100101101001101110001000101011100001010010011101011000001001110100110010110101000100100011011101111100000011100010000100000000", + ] + + def tearDown (self): + self.tb = None + + def tchh_multirate (self, frames, timeslots, bursts, multirate, subchan): + """ + Common TCH/H MultiRate test code + """ + src = grgsm.burst_source(frames, timeslots, bursts) + decoder = grgsm.tch_h_decoder(subchan, multirate, False); + dst = blocks.message_debug() + + self.tb.msg_connect(src, "out", decoder, "bursts") + self.tb.msg_connect(decoder, "voice", dst, "store") + + self.tb.run () + + result = [] + for i in range(0, dst.num_messages()): + pdu = dst.get_message(i) + self.assertEqual(True, pmt.is_pair(pdu)) + data = pmt.cdr(pdu) + self.assertEqual(True, pmt.is_blob(data)) + result.append(pmt.to_python(data).tolist()) + return result + + def test_amr7_40 (self): + """ + TCH/H MultiRate AMR 7.40 + """ + b = self.b + self.assertListEqual(self.tchh_multirate( + multirate = "28111a40", + subchan = 0, + frames = [259215, 259217, 259220, 259222, 259220, 259222, 259224, 259226], + timeslots = [ 6, 6, 6, 6, 6, 6, 6, 6], + bursts = [ b[8], b[9], b[10], b[11], b[10], b[11], b[12], b[13]]), + [ + [0x23,0x21,0x41,0x4d,0x52,0x0a], + [0x20,0xff,0x3c,0x67,0xe0,0x00,0x1f,0x3d,0x01,0xf0,0xfc,0x3f,0x77,0x18,0x61,0x86,0x00,0x00,0x00,0x00] + ]) + + def test_4_75 (self): + """ + TCH/H MultiRate AMR 4.75 + """ + b = self.b + self.assertListEqual(self.tchh_multirate( + multirate = "28111a40", + subchan = 0, + frames = [259666, 259668, 259670, 259672, 259670, 259672, 259675, 259677], + timeslots = [ 6, 6, 6, 6, 6, 6, 6, 6], + bursts = [ b[2], b[3], b[4], b[5], b[4], b[5], b[6], b[7]]), + [ + [0x23,0x21,0x41,0x4d,0x52,0x0a], + [0x00,0x67,0x19,0x24,0xd5,0x1b,0xd1,0x29,0x3f,0xa1,0x50,0x5f,0x3e] + ]) + + def test_amr7_40_and_4_75 (self): + """ + TCH/H MultiRate AMR 7.40 and 4.75 + Two 7.40 followed by two 4.75 frames + """ + b = self.b + self.assertListEqual(self.tchh_multirate( + multirate= "28111a40", + subchan = 0, + frames = [259657, 259659, 259662, 259664, + 259662, 259664, 259666, 259668, + 259666, 259668, 259670, 259672, + 259670, 259672, 259675, 259677, + 259675, 259677, 259679, 259681], + timeslots= [ 6, 6, 6, 6, + 6, 6, 6, 6, + 6, 6, 6, 6, + 6, 6, 6, 6, + 6, 6, 6, 6], + bursts = [ b[0], b[1], b[2], b[3], + b[0], b[1], b[2], b[3], + b[2], b[3], b[4], b[5], + b[2], b[3], b[4], b[5], + b[4], b[5], b[6], b[7]]), + [ + [0x23,0x21,0x41,0x4d,0x52,0x0a], + [0x20,0xe0,0x27,0x2a,0x00,0x21,0x30,0x38,0x75,0xf8,0x14,0x3c,0xec,0xde,0x0b,0x47,0x6f,0x9c,0xc6,0x70], + [0x20,0xe0,0x27,0x2a,0x00,0x21,0x30,0x38,0x75,0xf8,0x14,0x3c,0xec,0xde,0x0b,0x47,0x6f,0x9c,0xc6,0x70], + [0x00,0x67,0x19,0x24,0xd5,0x1b,0xd1,0x29,0x3f,0xa1,0x50,0x5f,0x3e], + [0x00,0x67,0x19,0x24,0xd5,0x1b,0xd1,0x29,0x3f,0xa1,0x50,0x5f,0x3e], + ]) + + def facch_test (self, frames, timeslots, bursts): + ''' + Common FACCH/TH test code + ''' + src = grgsm.burst_source(frames, timeslots, bursts) + decoder = grgsm.tch_h_decoder(0, "28111a40", False); + dst = blocks.message_debug() + facch = grgsm.message_sink() + + self.tb.msg_connect(src, "out", decoder, "bursts") + self.tb.msg_connect(decoder, "voice", dst, "store") + self.tb.msg_connect(decoder, "msgs", facch, "in") + + self.tb.run () + + self.assertEqual(dst.num_messages(), 0) + return list(facch.get_messages()) + + def test_facch_th (self): + """ + FACCH/TH test + """ + b = self.b + self.assertEqual(self.facch_test( + frames= [259207, 259209, 259211, 259213, 259211, 259213, 259215, 259217], + timeslots = [ 6, 6, 6, 6, 6, 6, 6, 6], + bursts = [ b[14], b[15], b[16], b[17], b[16], b[17], b[18], b[19]]), + ['02 04 01 06 00 00 00 00 00 03 f4 8b 06 00 00 00 03 60 09 03 0f 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b']) + + def test_facch_th_error (self): + """ + FACCH/TH Error handling test + """ + b = self.b + self.assertEqual(self.facch_test( + frames= [259207, 259209, 259211, 259213, 259211, 259213, 259215, 259217], + timeslots = [ 6, 6, 6, 6, 6, 6, 6, 6], + bursts = [ b[16], b[17], b[18], b[19], b[18], b[19], b[20], b[21]]), + []) #Must return an empty array + +if __name__ == '__main__': + gr_unittest.run(qa_tch_h_decoder, "qa_tch_h_decoder.xml") -- cgit v1.2.3