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Diffstat (limited to 'apps/grgsm_livemon_headless.py')
-rwxr-xr-x | apps/grgsm_livemon_headless.py | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/apps/grgsm_livemon_headless.py b/apps/grgsm_livemon_headless.py new file mode 100755 index 0000000..bcf3f8e --- /dev/null +++ b/apps/grgsm_livemon_headless.py @@ -0,0 +1,230 @@ +#!/usr/bin/env python2 +# -*- coding: utf-8 -*- +################################################## +# 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 Aug 30 10:38:50 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 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, rec_len=1000000, samp_rate=2000000.052982, fc=941.8e6, shiftoff=400e3, args="", osr=4, collector="localhost", collectorport="4729", serverport="4729", gain=30, ppm=0): + gr.top_block.__init__(self, "Gr-gsm Livemon") + + ################################################## + # Parameters + ################################################## + self.rec_len = rec_len + self.samp_rate = samp_rate + self.fc = fc + self.shiftoff = shiftoff + self.args = args + self.osr = osr + self.collector = collector + self.collectorport = collectorport + self.serverport = serverport + self.gain = gain + self.ppm = ppm + + ################################################## + # 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, ([0]), ([]), 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_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.rtlsdr_source_0.set_sample_rate(self.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) + + def get_fc(self): + return self.fc + + def set_fc(self, fc): + self.fc = fc + self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0) + self.gsm_input_0.set_fc(self.fc) + + def get_shiftoff(self): + return self.shiftoff + + def set_shiftoff(self, shiftoff): + self.shiftoff = shiftoff + self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0) + self.rtlsdr_source_0.set_bandwidth(250e3+abs(self.shiftoff), 0) + self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate) + + def get_args(self): + return self.args + + def set_args(self, args): + self.args = args + + def get_osr(self): + return self.osr + + def set_osr(self, osr): + self.osr = osr + + 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_serverport(self): + return self.serverport + + def set_serverport(self, serverport): + self.serverport = serverport + + 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_ppm(self): + return self.ppm + + def set_ppm(self, ppm): + self.ppm = ppm + self.rtlsdr_source_0.set_freq_corr(self.ppm, 0) + self.gsm_input_0.set_ppm(self.ppm-int(self.ppm)) + + +def argument_parser(): + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + 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( + "-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(941.8e6), + help="Set GSM channel's central frequency [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( + "", "--args", dest="args", type="string", default="", + help="Set Device Arguments [default=%default]") + parser.add_option( + "", "--osr", dest="osr", type="intx", default=4, + help="Set OverSampling Ratio [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( + "", "--serverport", dest="serverport", type="string", default="4729", + help="Set UDP server listening port [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( + "-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]") + 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(rec_len=options.rec_len, samp_rate=options.samp_rate, fc=options.fc, shiftoff=options.shiftoff, args=options.args, osr=options.osr, collector=options.collector, collectorport=options.collectorport, serverport=options.serverport, gain=options.gain, ppm=options.ppm) + tb.start() + tb.wait() + + +if __name__ == '__main__': + main() |