252 lines
10 KiB
Python
Executable File
252 lines
10 KiB
Python
Executable File
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# @file
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# @author (C) 2017 by Piotr Krysik <ptrkrysik@gmail.com>
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# @section LICENSE
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#
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# Gr-gsm is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# Gr-gsm is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with gr-gsm; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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#
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##################################################
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# GNU Radio Python Flow Graph
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# Title: Gr-gsm Livemon
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# Author: Piotr Krysik
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# 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)
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# Generated: Wed Sep 6 16:27:23 2017
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##################################################
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from gnuradio import blocks
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from gnuradio import eng_notation
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from gnuradio import gr
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from gnuradio.eng_option import eng_option
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from gnuradio.filter import firdes
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from grgsm import arfcn
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from math import pi
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from optparse import OptionParser
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import grgsm
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import osmosdr
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import pmt
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import time
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class grgsm_livemon_headless(gr.top_block):
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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):
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gr.top_block.__init__(self, "Gr-gsm Livemon")
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##################################################
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# Parameters
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##################################################
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self.args = args
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self.collector = collector
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self.collectorport = collectorport
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self.gain = gain
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self.osr = osr
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self.ppm = ppm
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self.rec_len = rec_len
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self.samp_rate = samp_rate
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self.serverport = serverport
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self.shiftoff = shiftoff
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self.fc = fc
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##################################################
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# Blocks
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##################################################
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self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + args )
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self.rtlsdr_source_0.set_sample_rate(samp_rate)
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self.rtlsdr_source_0.set_center_freq(fc-shiftoff, 0)
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self.rtlsdr_source_0.set_freq_corr(ppm, 0)
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self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
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self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
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self.rtlsdr_source_0.set_gain_mode(False, 0)
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self.rtlsdr_source_0.set_gain(gain, 0)
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self.rtlsdr_source_0.set_if_gain(20, 0)
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self.rtlsdr_source_0.set_bb_gain(20, 0)
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self.rtlsdr_source_0.set_antenna("", 0)
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self.rtlsdr_source_0.set_bandwidth(250e3+abs(shiftoff), 0)
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self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(
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timeslot_nr=1,
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)
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self.gsm_receiver_0 = grgsm.receiver(4, ([arfcn.downlink2arfcn(fc)]), ([]), False)
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self.gsm_message_printer_1 = grgsm.message_printer(pmt.intern(""), False,
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False, False)
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self.gsm_input_0 = grgsm.gsm_input(
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ppm=ppm-int(ppm),
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osr=4,
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fc=fc,
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samp_rate_in=samp_rate,
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)
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self.gsm_decryption_0 = grgsm.decryption(([]), 1)
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self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder()
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self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
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self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(fc-shiftoff, samp_rate, osr)
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self.gsm_bcch_ccch_sdcch4_demapper_0 = grgsm.gsm_bcch_ccch_sdcch4_demapper(
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timeslot_nr=0,
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)
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self.blocks_socket_pdu_0_1 = blocks.socket_pdu("UDP_CLIENT", collector, collectorport, 1500, False)
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self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", serverport, 10000, False)
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self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*pi*shiftoff/samp_rate)
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self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex*1, int(rec_len*samp_rate))
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##################################################
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# Connections
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##################################################
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self.msg_connect((self.blocks_socket_pdu_0_0, 'pdus'), (self.gsm_message_printer_1, 'msgs'))
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self.msg_connect((self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'), (self.gsm_control_channels_decoder_0, 'bursts'))
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self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'), (self.gsm_input_0, 'ctrl_in'))
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self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.blocks_socket_pdu_0_1, 'pdus'))
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self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.blocks_socket_pdu_0_1, 'pdus'))
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self.msg_connect((self.gsm_decryption_0, 'bursts'), (self.gsm_control_channels_decoder_0_0, 'bursts'))
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self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'))
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self.msg_connect((self.gsm_receiver_0, 'measurements'), (self.gsm_clock_offset_control_0, 'measurements'))
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self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_sdcch8_demapper_0, 'bursts'))
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self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'), (self.gsm_decryption_0, 'bursts'))
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self.connect((self.blocks_head_0, 0), (self.blocks_rotator_cc_0, 0))
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self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0))
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self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))
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self.connect((self.rtlsdr_source_0, 0), (self.blocks_head_0, 0))
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def get_args(self):
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return self.args
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def set_args(self, args):
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self.args = args
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def get_collector(self):
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return self.collector
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def set_collector(self, collector):
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self.collector = collector
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def get_collectorport(self):
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return self.collectorport
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def set_collectorport(self, collectorport):
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self.collectorport = collectorport
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def get_gain(self):
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return self.gain
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def set_gain(self, gain):
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self.gain = gain
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self.rtlsdr_source_0.set_gain(self.gain, 0)
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def get_osr(self):
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return self.osr
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def set_osr(self, osr):
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self.osr = osr
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def get_ppm(self):
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return self.ppm
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def set_ppm(self, ppm):
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self.ppm = ppm
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self.gsm_input_0.set_ppm(self.ppm-int(self.ppm))
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self.rtlsdr_source_0.set_freq_corr(self.ppm, 0)
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def get_rec_len(self):
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return self.rec_len
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def set_rec_len(self, rec_len):
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self.rec_len = rec_len
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self.blocks_head_0.set_length(int(self.rec_len*self.samp_rate))
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def get_samp_rate(self):
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return self.samp_rate
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def set_samp_rate(self, samp_rate):
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self.samp_rate = samp_rate
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self.blocks_head_0.set_length(int(self.rec_len*self.samp_rate))
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self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate)
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self.gsm_input_0.set_samp_rate_in(self.samp_rate)
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self.rtlsdr_source_0.set_sample_rate(self.samp_rate)
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def get_serverport(self):
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return self.serverport
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def set_serverport(self, serverport):
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self.serverport = serverport
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def get_shiftoff(self):
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return self.shiftoff
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def set_shiftoff(self, shiftoff):
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self.shiftoff = shiftoff
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self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate)
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self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0)
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self.rtlsdr_source_0.set_bandwidth(250e3+abs(self.shiftoff), 0)
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def get_fc(self):
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return self.fc
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def set_fc(self, fc):
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self.fc = fc
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self.gsm_input_0.set_fc(self.fc)
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self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0)
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def argument_parser():
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parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
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parser.add_option(
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"", "--args", dest="args", type="string", default="",
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help="Set Device Arguments [default=%default]")
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parser.add_option(
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"", "--collector", dest="collector", type="string", default="localhost",
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help="Set IP or DNS name of collector point [default=%default]")
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parser.add_option(
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"", "--collectorport", dest="collectorport", type="string", default="4729",
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help="Set UDP port number of collector [default=%default]")
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parser.add_option(
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"-g", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(30),
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help="Set RF Gain [default=%default]")
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parser.add_option(
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"", "--osr", dest="osr", type="intx", default=4,
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help="Set OverSampling Ratio [default=%default]")
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parser.add_option(
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"-p", "--ppm", dest="ppm", type="eng_float", default=eng_notation.num_to_str(0),
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help="Set Clock frequency offset in ppms (1/1e6 parts) [default=%default]")
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parser.add_option(
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"-T", "--rec-len", dest="rec_len", type="eng_float", default=eng_notation.num_to_str(1000000),
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help="Set Recording length in seconds [default=%default]")
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parser.add_option(
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"-s", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(2000000.052982),
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help="Set samp_rate [default=%default]")
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parser.add_option(
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"", "--serverport", dest="serverport", type="string", default="4729",
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help="Set UDP server listening port [default=%default]")
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parser.add_option(
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"-o", "--shiftoff", dest="shiftoff", type="eng_float", default=eng_notation.num_to_str(400e3),
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help="Set Frequency Shiftoff [default=%default]")
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parser.add_option(
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"-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(957e6),
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help="Set GSM channel's central frequency [default=%default]")
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return parser
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def main(top_block_cls=grgsm_livemon_headless, options=None):
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if options is None:
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options, _ = argument_parser().parse_args()
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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)
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tb.start()
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tb.wait()
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if __name__ == '__main__':
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main()
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