diff options
Diffstat (limited to 'apps/grgsm_scanner')
| -rwxr-xr-x | apps/grgsm_scanner | 120 |
1 files changed, 70 insertions, 50 deletions
diff --git a/apps/grgsm_scanner b/apps/grgsm_scanner index 397d51e..cb56bb3 100755 --- a/apps/grgsm_scanner +++ b/apps/grgsm_scanner @@ -1,8 +1,8 @@ #!/usr/bin/env python # -*- coding: utf-8 -*- # @file -# @author Piotr Krysik <ptrkrysik@gmail.com> -# @author Roman Khassraf <rkhassraf@gmail.com> +# @author (C) 2015 by Piotr Krysik <ptrkrysik@gmail.com> +# @author (C) 2015 by Roman Khassraf <rkhassraf@gmail.com> # @section LICENSE # # Gr-gsm is free software; you can redistribute it and/or modify @@ -288,52 +288,25 @@ class channel_info(object): return self.getKey().__cmp__(other.getKey()) def __repr__(self): + return "%s(%s, %s, %s, %s, %s, %s, %s, %s, %s)" % ( + self.__class__, self.arfcn, self.freq, self.cid, self.lac, + self.mcc, self.mnc, self.ccch_conf, self.power, + self.neighbours, self.cell_arfcns) + + def __str__(self): return "ARFCN: %4u, Freq: %6.1fM, CID: %5u, LAC: %5u, MCC: %3u, MNC: %3u, Pwr: %3i" % ( self.arfcn, self.freq / 1e6, self.cid, self.lac, self.mcc, self.mnc, self.power) - -if __name__ == '__main__': - parser = OptionParser(option_class=eng_option, usage="%prog: [options]") - bands_list = ", ".join(grgsm.arfcn.get_bands()) - parser.add_option("-b", "--band", dest="band", default="P-GSM", - help="Specify the GSM band for the frequency.\nAvailable bands are: " + bands_list) - parser.add_option("-s", "--samp-rate", dest="samp_rate", type="float", default=2e6, - help="Set sample rate [default=%default] - allowed values even_number*0.2e6") - parser.add_option("-p", "--ppm", dest="ppm", type="intx", default=0, - help="Set frequency correction in ppm [default=%default]") - parser.add_option("-g", "--gain", dest="gain", type="eng_float", default=24.0, - help="Set gain [default=%default]") - parser.add_option("", "--args", dest="args", type="string", default="", - help="Set device arguments [default=%default]") - parser.add_option("--speed", dest="speed", type="intx", default=4, - help="Scan speed [default=%default]. Value range 0-5.") - parser.add_option("-v", "--verbose", action="store_true", - help="If set, verbose information output is printed: ccch configuration, cell ARFCN's, neighbour ARFCN's") - - """ - Dont forget: sudo sysctl kernel.shmmni=32000 - """ - - (options, args) = parser.parse_args() - - if options.band not in grgsm.arfcn.get_bands(): - parser.error("Invalid GSM band\n") - - if options.speed < 0 or options.speed > 5: - parser.error("Invalid scan speed.\n") - - if (options.samp_rate / 0.2e6) % 2 != 0: - parser.error("Invalid sample rate. Sample rate must be an even numer * 0.2e6") - - channels_num = int(options.samp_rate / 0.2e6) - print "" - for arfcn_range in grgsm.arfcn.get_arfcn_ranges(options.band): +def do_scan(samp_rate, band, speed, ppm, gain, args, prn = None): + signallist = [] + channels_num = int(samp_rate / 0.2e6) + for arfcn_range in grgsm.arfcn.get_arfcn_ranges(band): first_arfcn = arfcn_range[0] last_arfcn = arfcn_range[1] last_center_arfcn = last_arfcn - int((channels_num / 2) - 1) - current_freq = grgsm.arfcn.arfcn2downlink(first_arfcn + int(channels_num / 2) - 1, options.band) - last_freq = grgsm.arfcn.arfcn2downlink(last_center_arfcn, options.band) + current_freq = grgsm.arfcn.arfcn2downlink(first_arfcn + int(channels_num / 2) - 1, band) + last_freq = grgsm.arfcn.arfcn2downlink(last_center_arfcn, band) stop_freq = last_freq + 0.2e6 * channels_num while current_freq < stop_freq: @@ -348,10 +321,10 @@ if __name__ == '__main__': os.dup2(null_fds[1], 2) # instantiate scanner and processor - scanner = wideband_scanner(rec_len=6 - options.speed, - sample_rate=options.samp_rate, + scanner = wideband_scanner(rec_len=6 - speed, + sample_rate=samp_rate, carrier_frequency=current_freq, - ppm=options.ppm, gain=options.gain, args=options.args) + ppm=ppm, gain=gain, args=args) # start recording scanner.start() @@ -379,7 +352,7 @@ if __name__ == '__main__': cell_arfcn_list = scanner.gsm_extract_system_info.get_cell_arfcns(chans[i]) neighbour_list = scanner.gsm_extract_system_info.get_neighbours(chans[i]) - info = channel_info(grgsm.arfcn.downlink2arfcn(found_freqs[i], options.band), found_freqs[i], + info = channel_info(grgsm.arfcn.downlink2arfcn(found_freqs[i], band), found_freqs[i], cell_ids[i], lacs[i], mccs[i], mncs[i], ccch_confs[i], powers[i], neighbour_list, cell_arfcn_list) found_list.append(info) @@ -392,10 +365,57 @@ if __name__ == '__main__': # close the temporary fds os.close(null_fds[0]) os.close(null_fds[1]) - - for info in sorted(found_list): - print info - if options.verbose: - print info.get_verbose_info() + if prn: + prn(found_list) + signallist.extend(found_list) current_freq += channels_num * 0.2e6 + return signallist + +def argument_parser(): + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + bands_list = ", ".join(grgsm.arfcn.get_bands()) + parser.add_option("-b", "--band", dest="band", default="P-GSM", + help="Specify the GSM band for the frequency.\nAvailable bands are: " + bands_list) + parser.add_option("-s", "--samp-rate", dest="samp_rate", type="float", default=2e6, + help="Set sample rate [default=%default] - allowed values even_number*0.2e6") + parser.add_option("-p", "--ppm", dest="ppm", type="intx", default=0, + help="Set frequency correction in ppm [default=%default]") + parser.add_option("-g", "--gain", dest="gain", type="eng_float", default=24.0, + help="Set gain [default=%default]") + parser.add_option("", "--args", dest="args", type="string", default="", + help="Set device arguments [default=%default]") + parser.add_option("--speed", dest="speed", type="intx", default=4, + help="Scan speed [default=%default]. Value range 0-5.") + parser.add_option("-v", "--verbose", action="store_true", + help="If set, verbose information output is printed: ccch configuration, cell ARFCN's, neighbour ARFCN's") + + """ + Dont forget: sudo sysctl kernel.shmmni=32000 + """ + return parser + +def main(options = None): + if options is None: + (options, args) = argument_parser().parse_args() + + if options.band not in grgsm.arfcn.get_bands(): + parser.error("Invalid GSM band\n") + + if options.speed < 0 or options.speed > 5: + parser.error("Invalid scan speed.\n") + + if (options.samp_rate / 0.2e6) % 2 != 0: + parser.error("Invalid sample rate. Sample rate must be an even numer * 0.2e6") + + def printfunc(found_list): + for info in sorted(found_list): + print info + if options.verbose: + print info.get_verbose_info() + print "" + do_scan(options.samp_rate, options.band, options.speed, + options.ppm, options.gain, options.args, prn = printfunc) + +if __name__ == '__main__': + main() |