diff options
Diffstat (limited to 'apps')
-rwxr-xr-x | apps/grgsm_trx | 203 |
1 files changed, 112 insertions, 91 deletions
diff --git a/apps/grgsm_trx b/apps/grgsm_trx index 712b0b7..45312e6 100755 --- a/apps/grgsm_trx +++ b/apps/grgsm_trx @@ -4,7 +4,6 @@ # GR-GSM based transceiver # # (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com> -# (C) 2017-2018 by Piotr Krysik <ptrkrysik@gmail.com> # # All Rights Reserved # @@ -31,40 +30,34 @@ from gnuradio import eng_notation from grgsm.trx import ctrl_if_bb from grgsm.trx import radio_if from grgsm.trx import fake_pm -from argparse import ArgumentParser COPYRIGHT = \ "Copyright (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com>\n" \ - "Copyright (C) 2017-2018 by Piotr Krysik <ptrkrysik@gmail.com>\n" \ + "Copyright (C) 2017 by Piotr Krysik <ptrkrysik@gmail.com>\n" \ "License GPLv2+: GNU GPL version 2 or later " \ "<http://gnu.org/licenses/gpl.html>\n" \ "This is free software: you are free to change and redistribute it.\n" \ "There is NO WARRANTY, to the extent permitted by law.\n" -class grgsm_trx: - def __init__(self, - remote_addr, - bind_addr, - base_port, - args, - sample_rate, - rx_gain, - tx_gain, - rx_antenna, - tx_antenna, - freq_offset, - ppm): - self.remote_addr = remote_addr - self.bind_addr = bind_addr - self.base_port = base_port - self.phy_args = args - self.phy_sample_rate = sample_rate - self.phy_rx_gain = rx_gain - self.phy_tx_gain = tx_gain - self.phy_rx_antenna = rx_antenna - self.phy_tx_antenna = tx_antenna - self.phy_freq_offset = freq_offset - self.phy_ppm = ppm +class Application: + # Application variables + remote_addr = "127.0.0.1" + bind_addr = "0.0.0.0" + base_port = 6700 + + # PHY specific + phy_sample_rate = 4 * 1625000 / 6 + phy_freq_offset_hz = None + phy_tx_antenna = "TX/RX" + phy_rx_antenna = "RX2" + phy_rx_gain = 30 + phy_tx_gain = 10 + phy_args = "" + phy_ppm = 0 + + def __init__(self): + self.print_copyright() + self.parse_argv() # Set up signal handlers signal.signal(signal.SIGINT, self.sig_handler) @@ -73,10 +66,14 @@ class grgsm_trx: # Init Radio interface self.radio = radio_if(self.phy_args, self.phy_sample_rate, self.phy_rx_gain, self.phy_tx_gain, self.phy_ppm, - self.phy_rx_antenna, self.phy_tx_antenna, self.phy_freq_offset, + self.phy_rx_antenna, self.phy_tx_antenna, self.bind_addr, self.remote_addr, self.base_port) + # Optional frequency offset + if self.phy_freq_offset_hz is not None: + self.radio.freq_offset_hz = self.phy_freq_offset_hz + # Power measurement emulation # Noise: -120 .. -105 # BTS: -75 .. -50 @@ -98,73 +95,97 @@ class grgsm_trx: print("[i] Shutting down...") self.radio.shutdown() + def print_copyright(self): + print(COPYRIGHT) + + def print_help(self): + s = " Usage: " + sys.argv[0] + " [options]\n\n" \ + " Some help...\n" \ + " -h --help this text\n\n" + + # TRX specific + s += " TRX interface specific\n" \ + " -i --remote-addr Set remote address (default %s)\n" \ + " -b --bind-addr Set bind address (default %s)\n" \ + " -p --base-port Set base port number (default %d)\n\n" + + # PHY specific + s += " Radio interface specific\n" \ + " -a --device-args Set device arguments\n" \ + " -s --sample-rate Set sample rate\n" \ + " -g --rx-gain Set RX gain (default %d)\n" \ + " -G --tx-gain Set TX gain (default %d)\n" \ + " --rx-antenna Set RX antenna (default %s)\n" \ + " --tx-antenna Set TX antenna (default %s)\n" \ + " --freq-offset Shift baseband freq. (e.g. -500M)\n" \ + " --ppm Set frequency correction (default %d)\n" + + print(s % ( + self.remote_addr, + self.bind_addr, + self.base_port, + self.phy_rx_gain, + self.phy_tx_gain, + self.phy_rx_antenna, + self.phy_tx_antenna, + self.phy_ppm)) + + def parse_argv(self): + try: + opts, args = getopt.getopt(sys.argv[1:], + "i:b:p:a:s:g:G:h", + ["help", "remote-addr=", "bind-addr=", "base-port=", + "device-args=", "sample-rate=", "rx-gain=", "tx-gain=", + "ppm=", "rx-antenna=", "tx-antenna=", "freq-offset="]) + except getopt.GetoptError as err: + # Print(help and exit) + self.print_help() + print("[!] " + str(err)) + sys.exit(2) + + for o, v in opts: + if o in ("-h", "--help"): + self.print_help() + sys.exit(2) + + # TRX specific + elif o in ("-i", "--remote-addr"): + self.remote_addr = v + elif o in ("-b", "--bind-addr"): + self.bind_addr = v + elif o in ("-p", "--base-port"): + if int(v) >= 0 and int(v) <= 65535: + self.base_port = int(v) + else: + print("[!] The port number should be in range [0-65536]") + sys.exit(2) + + # PHY specific + elif o in ("-a", "--device-args"): + self.phy_args = v + elif o in ("-s", "--sample-rate"): + self.phy_sample_rate = int(v) + elif o in ("-g", "--rx-gain"): + self.phy_rx_gain = int(v) + elif o in ("-G", "--tx-gain"): + self.phy_tx_gain = int(v) + elif o in ("--rx-antenna"): + self.phy_rx_antenna = v + elif o in ("--tx-antenna"): + self.phy_tx_antenna = v + elif o in ("--ppm"): + self.phy_ppm = int(v) + elif o in ("--freq-offset"): + # Convert /\d+(\.\d+)?(M|k)?/ to Hz + offset_hz = eng_notation.str_to_num(v) + self.phy_freq_offset_hz = offset_hz + def sig_handler(self, signum, frame): print("Signal %d received" % signum) if signum is signal.SIGINT: self.shutdown() sys.exit(0) -def parse_args(): - description = 'Burst transceiver for GSM Mobile Station' - parser = ArgumentParser(prog="grgsm_trx", usage='%(prog)s [options]', - description=description) - # TRX specific - parser.add_argument("-i", "--remote-addr", dest="remote_addr", type=str, - default='127.0.0.1', - help="Set remote address default=%(default)s") - parser.add_argument("-b", "--bind-addr", dest="bind_addr", type=str, - default='0.0.0.0', - help="Set bind address default=%(default)s") - parser.add_argument( - "-p", "--base_port", dest="base_port", type=int, - default=6700, - help="Set base port number default=%(default)s") - - # PHY specific - parser.add_argument("-a", "--args", dest="args", type=str, - default="", - help="Set Device Arguments default=%(default)s") - parser.add_argument("-s", "--sample-rate", dest="sample_rate", type=float, - default=1083333.3333333333, - help="Set samp_rate default=%(default)s") - parser.add_argument("-g", "--rx-gain", dest="rx_gain", type=float, - default=30, - help="Set RX gain default=%(default)s") - parser.add_argument("-G", "--tx-gain", dest="tx_gain", type=float, - default=10, - help="Set TX gain default=%(default)s") - parser.add_argument("--rx-antenna", dest="rx_antenna", type=str, - default="RX2", - help="Set RX antenna") - parser.add_argument("--tx-antenna", dest="tx_antenna", type=str, - default='TX/RX', - help="Set TX antenna default=%(default)s") - parser.add_argument( - "--freq-offset", dest="freq_offset", type=float, - default=0, - help="Shift Tx and Rx frequencies default=%(default)s") - parser.add_argument("--ppm", dest="ppm", type=float, - default=0, - help="Set ppm default=%(default)s") - - return parser.parse_args() - -def main(): - print(COPYRIGHT) - options = parse_args() - app = grgsm_trx( - remote_addr=options.remote_addr, - bind_addr=options.bind_addr, - base_port=options.base_port, - args=options.args, - sample_rate=options.sample_rate, - rx_gain=options.rx_gain, - tx_gain=options.tx_gain, - rx_antenna=options.rx_antenna, - tx_antenna=options.tx_antenna, - freq_offset=options.freq_offset, - ppm=options.ppm) - app.run() - if __name__ == '__main__': - main() + app = Application() + app.run() |