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-rwxr-xr-xapps/grgsm_trx203
1 files changed, 91 insertions, 112 deletions
diff --git a/apps/grgsm_trx b/apps/grgsm_trx
index 45312e6..712b0b7 100755
--- a/apps/grgsm_trx
+++ b/apps/grgsm_trx
@@ -4,6 +4,7 @@
# 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
#
@@ -30,34 +31,40 @@ 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 by Piotr Krysik <ptrkrysik@gmail.com>\n" \
+ "Copyright (C) 2017-2018 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 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()
+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
# Set up signal handlers
signal.signal(signal.SIGINT, self.sig_handler)
@@ -66,14 +73,10 @@ class Application:
# 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_rx_antenna, self.phy_tx_antenna, self.phy_freq_offset,
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
@@ -95,97 +98,73 @@ class Application:
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)
-if __name__ == '__main__':
- app = Application()
+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()