#!/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)