167 lines
4.6 KiB
Python
Executable File
167 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# GR-GSM based transceiver
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#
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# (C) 2016-2017 by Vadim Yanitskiy <axilirator@gmail.com>
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#
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# All Rights Reserved
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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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 grgsm.trx import ctrl_if_bb
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from grgsm.trx import radio_if
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from grgsm.trx import fake_pm
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COPYRIGHT = \
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"Copyright (C) 2016-2017 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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"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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base_port = 5700
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# PHY specific
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phy_sample_rate = 4 * 1625000 / 6
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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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# Set up signal handlers
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signal.signal(signal.SIGINT, self.sig_handler)
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def run(self):
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# Init Radio interface
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self.radio = radio_if(self.phy_args, self.phy_sample_rate,
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self.phy_rx_gain, self.phy_tx_gain, self.phy_ppm,
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self.phy_rx_antenna, self.phy_tx_antenna,
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self.remote_addr, self.base_port)
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# Power measurement emulation
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# Noise: -120 .. -105
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# BTS: -75 .. -50
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self.pm = fake_pm(-120, -105, -75, -50)
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# Init TRX CTRL interface
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self.server = ctrl_if_bb(self.remote_addr,
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self.base_port + 101, self.base_port + 1,
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self.radio, self.pm)
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print("[i] Init complete")
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# Enter main loop
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while True:
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self.server.loop()
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def shutdown(self):
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print("[i] Shutting down...")
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self.server.shutdown()
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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 127.0.0.1)\n" \
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" -p --base-port Set base port number (default 5700)\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 30)\n" \
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" -G --tx-gain Set TX gain (default 10)\n" \
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" --rx-antenna Set RX antenna (default RX2)\n" \
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" --tx-antenna Set TX antenna (default TX/RX)\n" \
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" --ppm Set frequency correction (default 0)\n"
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print(s)
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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:p:a:s:g:G:h",
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["help", "remote-addr=", "base-port=", "device-args=",
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"sample-rate=", "rx-gain=", "tx-gain=", "ppm=",
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"rx-antenna=", "tx-antenna="])
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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 ("-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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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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if __name__ == '__main__':
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app = Application()
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app.run()
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