| #!/usr/bin/env python2 |
| # -*- coding: utf-8 -*- |
| # @file |
| # @author (C) 2017 by Piotr Krysik <ptrkrysik@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. |
| # |
| # |
| ################################################## |
| # GNU Radio Python Flow Graph |
| # Title: Gr-gsm Livemon |
| # Author: Piotr Krysik |
| # Description: Interactive monitor of a single C0 channel with analysis performed by Wireshark (command to run wireshark: sudo wireshark -k -f udp -Y gsmtap -i lo) |
| # Generated: Wed Sep 6 16:27:23 2017 |
| ################################################## |
| |
| from gnuradio import blocks |
| from gnuradio import eng_notation |
| from gnuradio import gr |
| from gnuradio.eng_option import eng_option |
| from gnuradio.filter import firdes |
| from grgsm import arfcn |
| from math import pi |
| from optparse import OptionParser |
| import grgsm |
| import osmosdr |
| import pmt |
| import time |
| |
| |
| class grgsm_livemon_headless(gr.top_block): |
| |
| def __init__(self, args="", collector="localhost", collectorport="4729", gain=30, osr=4, ppm=0, rec_len=1000000, samp_rate=2000000.052982, serverport="4729", shiftoff=400e3, fc=957e6): |
| gr.top_block.__init__(self, "Gr-gsm Livemon") |
| |
| ################################################## |
| # Parameters |
| ################################################## |
| self.args = args |
| self.collector = collector |
| self.collectorport = collectorport |
| self.gain = gain |
| self.osr = osr |
| self.ppm = ppm |
| self.rec_len = rec_len |
| self.samp_rate = samp_rate |
| self.serverport = serverport |
| self.shiftoff = shiftoff |
| self.fc = fc |
| |
| ################################################## |
| # Blocks |
| ################################################## |
| self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + args ) |
| self.rtlsdr_source_0.set_sample_rate(samp_rate) |
| self.rtlsdr_source_0.set_center_freq(fc-shiftoff, 0) |
| self.rtlsdr_source_0.set_freq_corr(ppm, 0) |
| self.rtlsdr_source_0.set_dc_offset_mode(2, 0) |
| self.rtlsdr_source_0.set_iq_balance_mode(2, 0) |
| self.rtlsdr_source_0.set_gain_mode(False, 0) |
| self.rtlsdr_source_0.set_gain(gain, 0) |
| self.rtlsdr_source_0.set_if_gain(20, 0) |
| self.rtlsdr_source_0.set_bb_gain(20, 0) |
| self.rtlsdr_source_0.set_antenna("", 0) |
| self.rtlsdr_source_0.set_bandwidth(250e3+abs(shiftoff), 0) |
| |
| self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper( |
| timeslot_nr=1, |
| ) |
| self.gsm_receiver_0 = grgsm.receiver(4, ([arfcn.downlink2arfcn(fc)]), ([]), False) |
| self.gsm_message_printer_1 = grgsm.message_printer(pmt.intern(""), False, |
| False, False) |
| self.gsm_input_0 = grgsm.gsm_input( |
| ppm=ppm-int(ppm), |
| osr=4, |
| fc=fc, |
| samp_rate_in=samp_rate, |
| ) |
| self.gsm_decryption_0 = grgsm.decryption(([]), 1) |
| self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder() |
| self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder() |
| self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(fc-shiftoff, samp_rate, osr) |
| self.gsm_bcch_ccch_sdcch4_demapper_0 = grgsm.gsm_bcch_ccch_sdcch4_demapper( |
| timeslot_nr=0, |
| ) |
| self.blocks_socket_pdu_0_1 = blocks.socket_pdu("UDP_CLIENT", collector, collectorport, 1500, False) |
| self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", serverport, 10000, False) |
| self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*pi*shiftoff/samp_rate) |
| self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex*1, int(rec_len*samp_rate)) |
| |
| ################################################## |
| # Connections |
| ################################################## |
| self.msg_connect((self.blocks_socket_pdu_0_0, 'pdus'), (self.gsm_message_printer_1, 'msgs')) |
| self.msg_connect((self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'), (self.gsm_control_channels_decoder_0, 'bursts')) |
| self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'), (self.gsm_input_0, 'ctrl_in')) |
| self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.blocks_socket_pdu_0_1, 'pdus')) |
| self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.blocks_socket_pdu_0_1, 'pdus')) |
| self.msg_connect((self.gsm_decryption_0, 'bursts'), (self.gsm_control_channels_decoder_0_0, 'bursts')) |
| self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts')) |
| self.msg_connect((self.gsm_receiver_0, 'measurements'), (self.gsm_clock_offset_control_0, 'measurements')) |
| self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_sdcch8_demapper_0, 'bursts')) |
| self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'), (self.gsm_decryption_0, 'bursts')) |
| self.connect((self.blocks_head_0, 0), (self.blocks_rotator_cc_0, 0)) |
| self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0)) |
| self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0)) |
| self.connect((self.rtlsdr_source_0, 0), (self.blocks_head_0, 0)) |
| |
| def get_args(self): |
| return self.args |
| |
| def set_args(self, args): |
| self.args = args |
| |
| def get_collector(self): |
| return self.collector |
| |
| def set_collector(self, collector): |
| self.collector = collector |
| |
| def get_collectorport(self): |
| return self.collectorport |
| |
| def set_collectorport(self, collectorport): |
| self.collectorport = collectorport |
| |
| def get_gain(self): |
| return self.gain |
| |
| def set_gain(self, gain): |
| self.gain = gain |
| self.rtlsdr_source_0.set_gain(self.gain, 0) |
| |
| def get_osr(self): |
| return self.osr |
| |
| def set_osr(self, osr): |
| self.osr = osr |
| |
| def get_ppm(self): |
| return self.ppm |
| |
| def set_ppm(self, ppm): |
| self.ppm = ppm |
| self.gsm_input_0.set_ppm(self.ppm-int(self.ppm)) |
| self.rtlsdr_source_0.set_freq_corr(self.ppm, 0) |
| |
| def get_rec_len(self): |
| return self.rec_len |
| |
| def set_rec_len(self, rec_len): |
| self.rec_len = rec_len |
| self.blocks_head_0.set_length(int(self.rec_len*self.samp_rate)) |
| |
| def get_samp_rate(self): |
| return self.samp_rate |
| |
| def set_samp_rate(self, samp_rate): |
| self.samp_rate = samp_rate |
| self.blocks_head_0.set_length(int(self.rec_len*self.samp_rate)) |
| self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate) |
| self.gsm_input_0.set_samp_rate_in(self.samp_rate) |
| self.rtlsdr_source_0.set_sample_rate(self.samp_rate) |
| |
| def get_serverport(self): |
| return self.serverport |
| |
| def set_serverport(self, serverport): |
| self.serverport = serverport |
| |
| def get_shiftoff(self): |
| return self.shiftoff |
| |
| def set_shiftoff(self, shiftoff): |
| self.shiftoff = shiftoff |
| self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate) |
| self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0) |
| self.rtlsdr_source_0.set_bandwidth(250e3+abs(self.shiftoff), 0) |
| |
| def get_fc(self): |
| return self.fc |
| |
| def set_fc(self, fc): |
| self.fc = fc |
| self.gsm_input_0.set_fc(self.fc) |
| self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0) |
| |
| |
| def argument_parser(): |
| parser = OptionParser(option_class=eng_option, usage="%prog: [options]") |
| parser.add_option( |
| "", "--args", dest="args", type="string", default="", |
| help="Set Device Arguments [default=%default]") |
| parser.add_option( |
| "", "--collector", dest="collector", type="string", default="localhost", |
| help="Set IP or DNS name of collector point [default=%default]") |
| parser.add_option( |
| "", "--collectorport", dest="collectorport", type="string", default="4729", |
| help="Set UDP port number of collector [default=%default]") |
| parser.add_option( |
| "-g", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(30), |
| help="Set RF Gain [default=%default]") |
| parser.add_option( |
| "", "--osr", dest="osr", type="intx", default=4, |
| help="Set OverSampling Ratio [default=%default]") |
| parser.add_option( |
| "-p", "--ppm", dest="ppm", type="eng_float", default=eng_notation.num_to_str(0), |
| help="Set Clock frequency offset in ppms (1/1e6 parts) [default=%default]") |
| parser.add_option( |
| "-T", "--rec-len", dest="rec_len", type="eng_float", default=eng_notation.num_to_str(1000000), |
| help="Set Recording length in seconds [default=%default]") |
| parser.add_option( |
| "-s", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(2000000.052982), |
| help="Set samp_rate [default=%default]") |
| parser.add_option( |
| "", "--serverport", dest="serverport", type="string", default="4729", |
| help="Set UDP server listening port [default=%default]") |
| parser.add_option( |
| "-o", "--shiftoff", dest="shiftoff", type="eng_float", default=eng_notation.num_to_str(400e3), |
| help="Set Frequency Shiftoff [default=%default]") |
| parser.add_option( |
| "-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(957e6), |
| help="Set GSM channel's central frequency [default=%default]") |
| return parser |
| |
| |
| def main(top_block_cls=grgsm_livemon_headless, options=None): |
| if options is None: |
| options, _ = argument_parser().parse_args() |
| |
| tb = top_block_cls(args=options.args, collector=options.collector, collectorport=options.collectorport, gain=options.gain, osr=options.osr, ppm=options.ppm, rec_len=options.rec_len, samp_rate=options.samp_rate, serverport=options.serverport, shiftoff=options.shiftoff, fc=options.fc) |
| tb.start() |
| tb.wait() |
| |
| |
| if __name__ == '__main__': |
| main() |