apps/grgsm_trx: migrate from getopt to argparse
Change-Id: I24a17b4cd44db0ce95a19d7470f4f09f3c85a26d
This commit is contained in:
Piotr Krysik
Vadim Yanitskiy
parent
b3d5c5743b
commit
7379e341b0
175
apps/grgsm_trx
175
apps/grgsm_trx
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@ -4,6 +4,7 @@
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# GR-GSM based transceiver
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#
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# (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com>
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# (C) 2017-2018 by Piotr Krysik <ptrkrysik@gmail.com>
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#
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# All Rights Reserved
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#
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@ -22,9 +23,10 @@
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import signal
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import getopt
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import sys
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from argparse import ArgumentParser
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from argparse import ArgumentTypeError
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from gnuradio import eng_notation
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from grgsm.trx import ctrl_if_bb
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@ -33,31 +35,25 @@ from grgsm.trx import fake_pm
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COPYRIGHT = \
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"Copyright (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com>\n" \
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"Copyright (C) 2017 by Piotr Krysik <ptrkrysik@gmail.com>\n" \
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"Copyright (C) 2017-2018 by Piotr Krysik <ptrkrysik@gmail.com>\n" \
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"License GPLv2+: GNU GPL version 2 or later " \
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"<http://gnu.org/licenses/gpl.html>\n" \
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"This is free software: you are free to change and redistribute it.\n" \
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"There is NO WARRANTY, to the extent permitted by law.\n"
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class Application:
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# Application variables
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remote_addr = "127.0.0.1"
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bind_addr = "0.0.0.0"
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base_port = 6700
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# PHY specific
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phy_sample_rate = radio_if.SAMPLE_RATE
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phy_freq_offset_hz = None
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phy_tx_antenna = "TX/RX"
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phy_rx_antenna = "RX2"
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phy_rx_gain = 30
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phy_tx_gain = 10
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phy_args = ""
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phy_ppm = 0
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def __init__(self):
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self.print_copyright()
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self.parse_argv()
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def __init__(self, argv):
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self.remote_addr = argv.remote_addr
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self.bind_addr = argv.bind_addr
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self.base_port = argv.base_port
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self.phy_args = argv.args
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self.phy_sample_rate = argv.sample_rate
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self.phy_rx_gain = argv.rx_gain
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self.phy_tx_gain = argv.tx_gain
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self.phy_rx_antenna = argv.rx_antenna
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self.phy_tx_antenna = argv.tx_antenna
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self.phy_freq_offset_hz = argv.freq_offset
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self.phy_ppm = argv.ppm
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# Set up signal handlers
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signal.signal(signal.SIGINT, self.sig_handler)
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@ -95,97 +91,64 @@ class Application:
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print("[i] Shutting down...")
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self.radio.shutdown()
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def print_copyright(self):
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print(COPYRIGHT)
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def print_help(self):
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s = " Usage: " + sys.argv[0] + " [options]\n\n" \
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" Some help...\n" \
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" -h --help this text\n\n"
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# TRX specific
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s += " TRX interface specific\n" \
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" -i --remote-addr Set remote address (default %s)\n" \
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" -b --bind-addr Set bind address (default %s)\n" \
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" -p --base-port Set base port number (default %d)\n\n"
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# PHY specific
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s += " Radio interface specific\n" \
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" -a --device-args Set device arguments\n" \
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" -s --sample-rate Set sample rate\n" \
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" -g --rx-gain Set RX gain (default %d)\n" \
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" -G --tx-gain Set TX gain (default %d)\n" \
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" --rx-antenna Set RX antenna (default %s)\n" \
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" --tx-antenna Set TX antenna (default %s)\n" \
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" --freq-offset Shift baseband freq. (e.g. -500M)\n" \
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" --ppm Set frequency correction (default %d)\n"
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print(s % (
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self.remote_addr,
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self.bind_addr,
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self.base_port,
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self.phy_rx_gain,
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self.phy_tx_gain,
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self.phy_rx_antenna,
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self.phy_tx_antenna,
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self.phy_ppm))
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def parse_argv(self):
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try:
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opts, args = getopt.getopt(sys.argv[1:],
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"i:b:p:a:s:g:G:h",
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["help", "remote-addr=", "bind-addr=", "base-port=",
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"device-args=", "sample-rate=", "rx-gain=", "tx-gain=",
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"ppm=", "rx-antenna=", "tx-antenna=", "freq-offset="])
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except getopt.GetoptError as err:
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# Print(help and exit)
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self.print_help()
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print("[!] " + str(err))
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sys.exit(2)
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for o, v in opts:
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if o in ("-h", "--help"):
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self.print_help()
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sys.exit(2)
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# TRX specific
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elif o in ("-i", "--remote-addr"):
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self.remote_addr = v
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elif o in ("-b", "--bind-addr"):
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self.bind_addr = v
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elif o in ("-p", "--base-port"):
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if int(v) >= 0 and int(v) <= 65535:
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self.base_port = int(v)
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else:
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print("[!] The port number should be in range [0-65536]")
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sys.exit(2)
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# PHY specific
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elif o in ("-a", "--device-args"):
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self.phy_args = v
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elif o in ("-s", "--sample-rate"):
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self.phy_sample_rate = int(v)
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elif o in ("-g", "--rx-gain"):
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self.phy_rx_gain = int(v)
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elif o in ("-G", "--tx-gain"):
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self.phy_tx_gain = int(v)
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elif o in ("--rx-antenna"):
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self.phy_rx_antenna = v
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elif o in ("--tx-antenna"):
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self.phy_tx_antenna = v
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elif o in ("--ppm"):
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self.phy_ppm = int(v)
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elif o in ("--freq-offset"):
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# Convert /\d+(\.\d+)?(M|k)?/ to Hz
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offset_hz = eng_notation.str_to_num(v)
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self.phy_freq_offset_hz = offset_hz
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def sig_handler(self, signum, frame):
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print("Signal %d received" % signum)
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if signum is signal.SIGINT:
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self.shutdown()
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sys.exit(0)
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def eng_float(value):
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try:
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return eng_notation.str_to_num(value)
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except:
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raise ArgumentTypeError("invalid engineering notation "
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"value: {0}".format(value))
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def parse_argv():
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parser = ArgumentParser(prog = "grgsm_trx")
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# TRX interface specific
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parser.add_argument("-i", "--remote-addr",
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dest = "remote_addr", type = str, default = "127.0.0.1",
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help = "Set remote address (default %(default)s)")
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parser.add_argument("-b", "--bind-addr",
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dest = "bind_addr", type = str, default = "0.0.0.0",
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help = "Set bind address (default %(default)s)")
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parser.add_argument("-p", "--base_port",
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dest = "base_port", type = int, default = 6700,
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help = "Set base port number (default %(default)s)")
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# PHY specific
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parser.add_argument("-a", "--args",
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dest = "args", type = str, default = "",
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help = "Set device arguments")
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parser.add_argument("-s", "--sample-rate",
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dest = "sample_rate", type = eng_float,
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default = radio_if.SAMPLE_RATE,
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help = "Set samp_rate (default %(default)s)")
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parser.add_argument("-g", "--rx-gain",
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dest = "rx_gain", type = float, default = 30,
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help = "Set RX gain (default %(default)s)")
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parser.add_argument("-G", "--tx-gain",
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dest = "tx_gain", type = float, default = 10,
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help = "Set TX gain (default %(default)s)")
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parser.add_argument("--rx-antenna",
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dest = "rx_antenna", type = str, default = "RX2",
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help = "Set RX antenna (default %(default)s)")
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parser.add_argument("--tx-antenna",
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dest = "tx_antenna", type = str, default = "TX/RX",
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help = "Set TX antenna (default %(default)s)")
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parser.add_argument("--freq-offset",
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dest = "freq_offset", type = eng_float, default = 0,
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help = "Shift baseband freq. (e.g. -500M)")
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parser.add_argument("--ppm",
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dest = "ppm", type = float, default = 0,
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help = "Set frequency correction (default %(default)s)")
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return parser.parse_args()
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if __name__ == '__main__':
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app = Application()
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print(COPYRIGHT)
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argv = parse_argv()
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app = Application(argv)
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app.run()
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