Revert "grgsm_trx: Migrated argument parsing to argparse" that shouldn't be pushed
This reverts commit c62a3d9f5517d0dda0c4dccd19fd6c0d9c66e038.
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 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 @@
# 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 @@
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()