Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 1 | #!/usr/bin/env python2 |
| 2 | # -*- coding: utf-8 -*- |
| 3 | |
| 4 | # GR-GSM based transceiver |
| 5 | # |
Vadim Yanitskiy | 473b35b | 2018-08-10 00:20:03 +0700 | [diff] [blame] | 6 | # (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com> |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 7 | # |
| 8 | # All Rights Reserved |
| 9 | # |
| 10 | # This program is free software; you can redistribute it and/or modify |
| 11 | # it under the terms of the GNU General Public License as published by |
| 12 | # the Free Software Foundation; either version 2 of the License, or |
| 13 | # (at your option) any later version. |
| 14 | # |
| 15 | # This program is distributed in the hope that it will be useful, |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | # GNU General Public License for more details. |
| 19 | # |
| 20 | # You should have received a copy of the GNU General Public License along |
| 21 | # with this program; if not, write to the Free Software Foundation, Inc., |
| 22 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 23 | |
| 24 | import signal |
| 25 | import getopt |
| 26 | import sys |
| 27 | |
Vadim Yanitskiy | 97dc84e | 2018-08-10 05:29:23 +0700 | [diff] [blame] | 28 | from gnuradio import eng_notation |
| 29 | |
Vadim Yanitskiy | ba7ad29 | 2017-10-17 07:21:59 +0700 | [diff] [blame] | 30 | from grgsm.trx import ctrl_if_bb |
| 31 | from grgsm.trx import radio_if |
| 32 | from grgsm.trx import fake_pm |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 33 | |
| 34 | COPYRIGHT = \ |
Vadim Yanitskiy | 473b35b | 2018-08-10 00:20:03 +0700 | [diff] [blame] | 35 | "Copyright (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com>\n" \ |
Piotr Krysik | 1cc264f | 2018-09-06 19:57:57 +0200 | [diff] [blame^] | 36 | "Copyright (C) 2017 by Piotr Krysik <ptrkrysik@gmail.com>\n" \ |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 37 | "License GPLv2+: GNU GPL version 2 or later " \ |
| 38 | "<http://gnu.org/licenses/gpl.html>\n" \ |
| 39 | "This is free software: you are free to change and redistribute it.\n" \ |
| 40 | "There is NO WARRANTY, to the extent permitted by law.\n" |
| 41 | |
Piotr Krysik | 1cc264f | 2018-09-06 19:57:57 +0200 | [diff] [blame^] | 42 | class Application: |
| 43 | # Application variables |
| 44 | remote_addr = "127.0.0.1" |
| 45 | bind_addr = "0.0.0.0" |
| 46 | base_port = 6700 |
| 47 | |
| 48 | # PHY specific |
| 49 | phy_sample_rate = 4 * 1625000 / 6 |
| 50 | phy_freq_offset_hz = None |
| 51 | phy_tx_antenna = "TX/RX" |
| 52 | phy_rx_antenna = "RX2" |
| 53 | phy_rx_gain = 30 |
| 54 | phy_tx_gain = 10 |
| 55 | phy_args = "" |
| 56 | phy_ppm = 0 |
| 57 | |
| 58 | def __init__(self): |
| 59 | self.print_copyright() |
| 60 | self.parse_argv() |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 61 | |
| 62 | # Set up signal handlers |
| 63 | signal.signal(signal.SIGINT, self.sig_handler) |
| 64 | |
| 65 | def run(self): |
| 66 | # Init Radio interface |
Vadim Yanitskiy | 5d68aa5 | 2017-10-17 11:14:48 +0700 | [diff] [blame] | 67 | self.radio = radio_if(self.phy_args, self.phy_sample_rate, |
Vadim Yanitskiy | 790b6f0 | 2017-10-17 11:47:36 +0700 | [diff] [blame] | 68 | self.phy_rx_gain, self.phy_tx_gain, self.phy_ppm, |
Piotr Krysik | 1cc264f | 2018-09-06 19:57:57 +0200 | [diff] [blame^] | 69 | self.phy_rx_antenna, self.phy_tx_antenna, |
Vadim Yanitskiy | 473b35b | 2018-08-10 00:20:03 +0700 | [diff] [blame] | 70 | self.bind_addr, self.remote_addr, |
| 71 | self.base_port) |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 72 | |
Piotr Krysik | 1cc264f | 2018-09-06 19:57:57 +0200 | [diff] [blame^] | 73 | # Optional frequency offset |
| 74 | if self.phy_freq_offset_hz is not None: |
| 75 | self.radio.freq_offset_hz = self.phy_freq_offset_hz |
| 76 | |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 77 | # Power measurement emulation |
| 78 | # Noise: -120 .. -105 |
| 79 | # BTS: -75 .. -50 |
Vadim Yanitskiy | ba7ad29 | 2017-10-17 07:21:59 +0700 | [diff] [blame] | 80 | self.pm = fake_pm(-120, -105, -75, -50) |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 81 | |
| 82 | # Init TRX CTRL interface |
Vadim Yanitskiy | 473b35b | 2018-08-10 00:20:03 +0700 | [diff] [blame] | 83 | self.server = ctrl_if_bb( |
| 84 | self.remote_addr, self.base_port + 101, |
| 85 | self.bind_addr, self.base_port + 1, |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 86 | self.radio, self.pm) |
| 87 | |
| 88 | print("[i] Init complete") |
| 89 | |
| 90 | # Enter main loop |
| 91 | while True: |
| 92 | self.server.loop() |
| 93 | |
| 94 | def shutdown(self): |
| 95 | print("[i] Shutting down...") |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 96 | self.radio.shutdown() |
| 97 | |
Piotr Krysik | 1cc264f | 2018-09-06 19:57:57 +0200 | [diff] [blame^] | 98 | def print_copyright(self): |
| 99 | print(COPYRIGHT) |
| 100 | |
| 101 | def print_help(self): |
| 102 | s = " Usage: " + sys.argv[0] + " [options]\n\n" \ |
| 103 | " Some help...\n" \ |
| 104 | " -h --help this text\n\n" |
| 105 | |
| 106 | # TRX specific |
| 107 | s += " TRX interface specific\n" \ |
| 108 | " -i --remote-addr Set remote address (default %s)\n" \ |
| 109 | " -b --bind-addr Set bind address (default %s)\n" \ |
| 110 | " -p --base-port Set base port number (default %d)\n\n" |
| 111 | |
| 112 | # PHY specific |
| 113 | s += " Radio interface specific\n" \ |
| 114 | " -a --device-args Set device arguments\n" \ |
| 115 | " -s --sample-rate Set sample rate\n" \ |
| 116 | " -g --rx-gain Set RX gain (default %d)\n" \ |
| 117 | " -G --tx-gain Set TX gain (default %d)\n" \ |
| 118 | " --rx-antenna Set RX antenna (default %s)\n" \ |
| 119 | " --tx-antenna Set TX antenna (default %s)\n" \ |
| 120 | " --freq-offset Shift baseband freq. (e.g. -500M)\n" \ |
| 121 | " --ppm Set frequency correction (default %d)\n" |
| 122 | |
| 123 | print(s % ( |
| 124 | self.remote_addr, |
| 125 | self.bind_addr, |
| 126 | self.base_port, |
| 127 | self.phy_rx_gain, |
| 128 | self.phy_tx_gain, |
| 129 | self.phy_rx_antenna, |
| 130 | self.phy_tx_antenna, |
| 131 | self.phy_ppm)) |
| 132 | |
| 133 | def parse_argv(self): |
| 134 | try: |
| 135 | opts, args = getopt.getopt(sys.argv[1:], |
| 136 | "i:b:p:a:s:g:G:h", |
| 137 | ["help", "remote-addr=", "bind-addr=", "base-port=", |
| 138 | "device-args=", "sample-rate=", "rx-gain=", "tx-gain=", |
| 139 | "ppm=", "rx-antenna=", "tx-antenna=", "freq-offset="]) |
| 140 | except getopt.GetoptError as err: |
| 141 | # Print(help and exit) |
| 142 | self.print_help() |
| 143 | print("[!] " + str(err)) |
| 144 | sys.exit(2) |
| 145 | |
| 146 | for o, v in opts: |
| 147 | if o in ("-h", "--help"): |
| 148 | self.print_help() |
| 149 | sys.exit(2) |
| 150 | |
| 151 | # TRX specific |
| 152 | elif o in ("-i", "--remote-addr"): |
| 153 | self.remote_addr = v |
| 154 | elif o in ("-b", "--bind-addr"): |
| 155 | self.bind_addr = v |
| 156 | elif o in ("-p", "--base-port"): |
| 157 | if int(v) >= 0 and int(v) <= 65535: |
| 158 | self.base_port = int(v) |
| 159 | else: |
| 160 | print("[!] The port number should be in range [0-65536]") |
| 161 | sys.exit(2) |
| 162 | |
| 163 | # PHY specific |
| 164 | elif o in ("-a", "--device-args"): |
| 165 | self.phy_args = v |
| 166 | elif o in ("-s", "--sample-rate"): |
| 167 | self.phy_sample_rate = int(v) |
| 168 | elif o in ("-g", "--rx-gain"): |
| 169 | self.phy_rx_gain = int(v) |
| 170 | elif o in ("-G", "--tx-gain"): |
| 171 | self.phy_tx_gain = int(v) |
| 172 | elif o in ("--rx-antenna"): |
| 173 | self.phy_rx_antenna = v |
| 174 | elif o in ("--tx-antenna"): |
| 175 | self.phy_tx_antenna = v |
| 176 | elif o in ("--ppm"): |
| 177 | self.phy_ppm = int(v) |
| 178 | elif o in ("--freq-offset"): |
| 179 | # Convert /\d+(\.\d+)?(M|k)?/ to Hz |
| 180 | offset_hz = eng_notation.str_to_num(v) |
| 181 | self.phy_freq_offset_hz = offset_hz |
| 182 | |
Piotr Krysik | 902f4eb | 2017-09-19 08:04:33 +0200 | [diff] [blame] | 183 | def sig_handler(self, signum, frame): |
| 184 | print("Signal %d received" % signum) |
| 185 | if signum is signal.SIGINT: |
| 186 | self.shutdown() |
| 187 | sys.exit(0) |
| 188 | |
Piotr Krysik | c62a3d9 | 2018-09-05 21:36:34 +0200 | [diff] [blame] | 189 | if __name__ == '__main__': |
Piotr Krysik | 1cc264f | 2018-09-06 19:57:57 +0200 | [diff] [blame^] | 190 | app = Application() |
| 191 | app.run() |