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grgsm_livemon_headless.py
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| #!/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: Mon Jul 18 18:08:34 2016 | |
| ################################################## | |
| # modified Jan 2017 lin_s for headless mode | |
| ################################################## | |
| 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 sip | |
| import sys | |
| import time | |
| class grgsm_livemon(gr.top_block): | |
| def __init__(self, args="", fc=939.4e6, gain=30, ppm=0, samp_rate=2000000.052982, shiftoff=400e3, osr=4): | |
| gr.top_block.__init__(self, "Gr-gsm Livemon") | |
| ################################################## | |
| # Parameters | |
| ################################################## | |
| self.args = args | |
| self.fc = fc | |
| self.gain = gain | |
| self.ppm = ppm | |
| self.samp_rate = samp_rate | |
| self.shiftoff = shiftoff | |
| self.osr = osr | |
| print " [+] starting grgsm_livemon_headless..." | |
| print " [>] frequency: %s Hz (specify with -fc)" % fc | |
| print " [>] gain: %s dB (specify with --gain)" % gain | |
| print " [>] ppm: %s (specify with --ppm)" % ppm | |
| print " [>] sample rate: %s (specify with --samp_rate)" % samp_rate | |
| print " [>] shift offset: %s Hz (specify with --shiftoff)" % shiftoff | |
| 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(self.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(self.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=0, | |
| 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_demapper_0 = grgsm.gsm_bcch_ccch_demapper( | |
| timeslot_nr=0, | |
| ) | |
| self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", "4729", 10000, False) | |
| self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False) | |
| self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*pi*shiftoff/samp_rate) | |
| ################################################## | |
| # Connections | |
| ################################################## | |
| self.msg_connect((self.gsm_bcch_ccch_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, 'pdus')) | |
| self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.gsm_message_printer_1, 'msgs')) | |
| self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.blocks_socket_pdu_0, 'pdus')) | |
| self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.gsm_message_printer_1, 'msgs')) | |
| 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_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_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_rotator_cc_0, 0)) | |
| print " [+] go!" | |
| 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( | |
| "-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(939.4e6), | |
| help="Set fc [default=%default]") | |
| parser.add_option( | |
| "-g", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(30), | |
| help="Set gain [default=%default]") | |
| parser.add_option( | |
| "-p", "--ppm", dest="ppm", type="intx", default=0, | |
| help="Set ppm [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( | |
| "-o", "--shiftoff", dest="shiftoff", type="eng_float", default=eng_notation.num_to_str(400e3), | |
| help="Set shiftoff [default=%default]") | |
| parser.add_option( | |
| "", "--osr", dest="osr", type="intx", default=4, | |
| help="Set OSR [default=%default]") | |
| return parser | |
| def main(options=None): | |
| if options is None: | |
| options, _ = argument_parser().parse_args() | |
| tb = grgsm_livemon(args=options.args, fc=options.fc, gain=options.gain, ppm=options.ppm, samp_rate=options.samp_rate, shiftoff=options.shiftoff, osr=options.osr) | |
| tb.start() | |
| while True: | |
| pass | |
| if __name__ == '__main__': | |
| main() |
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