From c8f46319dd952291aa92c69822c4734219fc52d0 Mon Sep 17 00:00:00 2001 From: Piotr Krysik Date: Wed, 30 Aug 2017 10:39:29 +0200 Subject: Added recording length parameter to grgsm_livemon_headless --- apps/grgsm_livemon_headless.grc | 152 +++++++++++++++++++++----- apps/grgsm_livemon_headless.py | 230 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 356 insertions(+), 26 deletions(-) create mode 100755 apps/grgsm_livemon_headless.py diff --git a/apps/grgsm_livemon_headless.grc b/apps/grgsm_livemon_headless.grc index de39ad7..caa8e28 100644 --- a/apps/grgsm_livemon_headless.grc +++ b/apps/grgsm_livemon_headless.grc @@ -97,7 +97,7 @@ _coordinate - (872, 11) + (752, 7) _rotation @@ -125,7 +125,7 @@ - blocks_rotator_cc + blocks_head alias @@ -150,6 +150,57 @@ _rotation 0 + + id + blocks_head_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + num_items + int(rec_len*samp_rate) + + + type + complex + + + vlen + 1 + + + + blocks_rotator_cc + + alias + + + + comment + + + + affinity + + + + _enabled + True + + + _coordinate + (416, 300) + + + _rotation + 0 + id blocks_rotator_cc_0 @@ -187,7 +238,7 @@ _coordinate - (1632, 295) + (1736, 295) _rotation @@ -246,7 +297,7 @@ _coordinate - (1504, 295) + (1608, 295) _rotation @@ -301,7 +352,7 @@ _coordinate - (1240, 7) + (1048, 7) _rotation @@ -344,7 +395,7 @@ _coordinate - (1240, 95) + (1208, 7) _rotation @@ -387,7 +438,7 @@ _coordinate - (624, 11) + (584, 8) _rotation @@ -430,7 +481,7 @@ _coordinate - (552, 11) + (480, 8) _rotation @@ -442,7 +493,7 @@ label - gain + RF Gain short_id @@ -477,7 +528,7 @@ _coordinate - (920, 284) + (1016, 284) _rotation @@ -520,7 +571,7 @@ _coordinate - (552, 411) + (688, 414) _rotation @@ -571,7 +622,7 @@ _coordinate - (1264, 289) + (1368, 289) _rotation @@ -610,7 +661,7 @@ _coordinate - (1264, 345) + (1368, 345) _rotation @@ -653,7 +704,7 @@ _coordinate - (1104, 333) + (1208, 333) _rotation @@ -696,7 +747,7 @@ _coordinate - (488, 305) + (624, 305) _rotation @@ -751,7 +802,7 @@ _coordinate - (1776, 302) + (1880, 302) _rotation @@ -802,7 +853,7 @@ _coordinate - (672, 289) + (808, 289) _rotation @@ -853,7 +904,7 @@ _coordinate - (896, 340) + (1016, 340) _rotation @@ -892,7 +943,7 @@ _coordinate - (1016, 11) + (200, 12) _rotation @@ -923,7 +974,7 @@ _coordinate - (1088, 7) + (896, 7) _rotation @@ -966,7 +1017,7 @@ _coordinate - (712, 11) + (312, 112) _rotation @@ -978,7 +1029,7 @@ label - ppm + Clock frequency offset in ppms (1/1e6 parts) short_id @@ -993,6 +1044,49 @@ 0 + + parameter + + alias + + + + comment + + + + _enabled + True + + + _coordinate + (312, 8) + + + _rotation + 0 + + + id + rec_len + + + label + Recording length in seconds + + + short_id + T + + + type + eng_float + + + value + 1000000 + + rtlsdr_source @@ -2416,7 +2510,7 @@ _coordinate - (16, 115) + (16, 128) _rotation @@ -2459,7 +2553,7 @@ _coordinate - (1400, 7) + (1368, 7) _rotation @@ -2502,7 +2596,7 @@ _coordinate - (784, 11) + (584, 112) _rotation @@ -2529,6 +2623,12 @@ 400e3 + + blocks_head_0 + blocks_rotator_cc_0 + 0 + 0 + blocks_rotator_cc_0 gsm_input_0 @@ -2603,7 +2703,7 @@ rtlsdr_source_0 - blocks_rotator_cc_0 + blocks_head_0 0 0 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() -- cgit v1.2.3