Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc> |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with this library; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | #include "config.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "Transceiver.h" |
| 24 | #include "radioDevice.h" |
| 25 | |
| 26 | #include <time.h> |
| 27 | #include <signal.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <unistd.h> |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 30 | #include <sched.h> |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 31 | |
| 32 | #include <GSMCommon.h> |
| 33 | #include <Logger.h> |
| 34 | #include <Configuration.h> |
| 35 | |
Philipp Maier | 7e07cf2 | 2017-03-15 18:09:35 +0100 | [diff] [blame] | 36 | extern "C" { |
| 37 | #include "convolve.h" |
| 38 | #include "convert.h" |
| 39 | } |
| 40 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 41 | /* Samples-per-symbol for downlink path |
| 42 | * 4 - Uses precision modulator (more computation, less distortion) |
| 43 | * 1 - Uses minimized modulator (less computation, more distortion) |
| 44 | * |
| 45 | * Other values are invalid. Receive path (uplink) is always |
Tom Tsou | 0fe41a5 | 2016-05-03 15:14:45 -0700 | [diff] [blame] | 46 | * downsampled to 1 sps. Default to 4 sps for all cases. |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 47 | */ |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 48 | #define DEFAULT_TX_SPS 4 |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 49 | |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 50 | /* |
| 51 | * Samples-per-symbol for uplink (receiver) path |
| 52 | * Do not modify this value. EDGE configures 4 sps automatically on |
| 53 | * B200/B210 devices only. Use of 4 sps on the receive path for other |
| 54 | * configurations is not supported. |
| 55 | */ |
| 56 | #define DEFAULT_RX_SPS 1 |
| 57 | |
Tom Tsou | de116e9 | 2017-03-30 17:00:42 -0700 | [diff] [blame] | 58 | /* Default configuration parameters */ |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 59 | #define DEFAULT_TRX_PORT 5700 |
| 60 | #define DEFAULT_TRX_IP "127.0.0.1" |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 61 | #define DEFAULT_CHANS 1 |
| 62 | |
| 63 | struct trx_config { |
| 64 | std::string log_level; |
| 65 | std::string addr; |
| 66 | std::string dev_args; |
| 67 | unsigned port; |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 68 | unsigned tx_sps; |
| 69 | unsigned rx_sps; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 70 | unsigned chans; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 71 | unsigned rtsc; |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 72 | unsigned rach_delay; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 73 | bool extref; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 74 | bool gpsref; |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 75 | Transceiver::FillerType filler; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 76 | bool mcbts; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 77 | double offset; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 78 | double rssi_offset; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 79 | bool swap_channels; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 80 | bool edge; |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 81 | int sched_rr; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 82 | }; |
| 83 | |
Thomas Tsou | 4de70be | 2013-11-17 18:54:52 -0500 | [diff] [blame] | 84 | ConfigurationTable gConfig; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 85 | |
| 86 | volatile bool gshutdown = false; |
| 87 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 88 | /* Setup configuration values |
| 89 | * Don't query the existence of the Log.Level because it's a |
| 90 | * mandatory value. That is, if it doesn't exist, the configuration |
Thomas Tsou | 4de70be | 2013-11-17 18:54:52 -0500 | [diff] [blame] | 91 | * table will crash or will have already crashed. Everything else we |
| 92 | * can survive without and use default values if the database entries |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 93 | * are empty. |
| 94 | */ |
| 95 | bool trx_setup_config(struct trx_config *config) |
| 96 | { |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 97 | std::string refstr, fillstr, divstr, mcstr, edgestr; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 98 | |
Tom Tsou | 6031734 | 2017-03-30 19:36:41 -0700 | [diff] [blame] | 99 | if (config->mcbts && config->chans > 5) { |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 100 | std::cout << "Unsupported number of channels" << std::endl; |
| 101 | return false; |
| 102 | } |
| 103 | |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 104 | edgestr = config->edge ? "Enabled" : "Disabled"; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 105 | mcstr = config->mcbts ? "Enabled" : "Disabled"; |
| 106 | |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 107 | if (config->extref) |
| 108 | refstr = "External"; |
| 109 | else if (config->gpsref) |
| 110 | refstr = "GPS"; |
| 111 | else |
| 112 | refstr = "Internal"; |
| 113 | |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 114 | switch (config->filler) { |
| 115 | case Transceiver::FILLER_DUMMY: |
| 116 | fillstr = "Dummy bursts"; |
| 117 | break; |
| 118 | case Transceiver::FILLER_ZERO: |
| 119 | fillstr = "Disabled"; |
| 120 | break; |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 121 | case Transceiver::FILLER_NORM_RAND: |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 122 | fillstr = "Normal busrts with random payload"; |
| 123 | break; |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 124 | case Transceiver::FILLER_EDGE_RAND: |
| 125 | fillstr = "EDGE busrts with random payload"; |
| 126 | break; |
Alexander Chemeris | 5efe050 | 2016-03-23 17:06:32 +0300 | [diff] [blame] | 127 | case Transceiver::FILLER_ACCESS_RAND: |
| 128 | fillstr = "Access busrts with random payload"; |
| 129 | break; |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 130 | } |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 131 | |
| 132 | std::ostringstream ost(""); |
| 133 | ost << "Config Settings" << std::endl; |
| 134 | ost << " Log Level............... " << config->log_level << std::endl; |
| 135 | ost << " Device args............. " << config->dev_args << std::endl; |
| 136 | ost << " TRX Base Port........... " << config->port << std::endl; |
| 137 | ost << " TRX Address............. " << config->addr << std::endl; |
| 138 | ost << " Channels................ " << config->chans << std::endl; |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 139 | ost << " Tx Samples-per-Symbol... " << config->tx_sps << std::endl; |
Alexander Chemeris | 1ab5e7f | 2016-04-20 08:44:55 +0300 | [diff] [blame] | 140 | ost << " Rx Samples-per-Symbol... " << config->rx_sps << std::endl; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 141 | ost << " EDGE support............ " << edgestr << std::endl; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 142 | ost << " Reference............... " << refstr << std::endl; |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 143 | ost << " C0 Filler Table......... " << fillstr << std::endl; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 144 | ost << " Multi-Carrier........... " << mcstr << std::endl; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 145 | ost << " Tuning offset........... " << config->offset << std::endl; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 146 | ost << " RSSI to dBm offset...... " << config->rssi_offset << std::endl; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 147 | ost << " Swap channels........... " << config->swap_channels << std::endl; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 148 | std::cout << ost << std::endl; |
| 149 | |
| 150 | return true; |
| 151 | } |
| 152 | |
| 153 | /* Create radio interface |
| 154 | * The interface consists of sample rate changes, frequency shifts, |
| 155 | * channel multiplexing, and other conversions. The transceiver core |
| 156 | * accepts input vectors sampled at multiples of the GSM symbol rate. |
| 157 | * The radio interface connects the main transceiver with the device |
| 158 | * object, which may be operating some other rate. |
| 159 | */ |
| 160 | RadioInterface *makeRadioInterface(struct trx_config *config, |
| 161 | RadioDevice *usrp, int type) |
| 162 | { |
| 163 | RadioInterface *radio = NULL; |
| 164 | |
| 165 | switch (type) { |
| 166 | case RadioDevice::NORMAL: |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 167 | radio = new RadioInterface(usrp, config->tx_sps, |
| 168 | config->rx_sps, config->chans); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 169 | break; |
| 170 | case RadioDevice::RESAMP_64M: |
| 171 | case RadioDevice::RESAMP_100M: |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 172 | radio = new RadioInterfaceResamp(usrp, config->tx_sps, |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 173 | config->rx_sps); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 174 | break; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 175 | case RadioDevice::MULTI_ARFCN: |
| 176 | radio = new RadioInterfaceMulti(usrp, config->tx_sps, |
| 177 | config->rx_sps, config->chans); |
| 178 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 179 | default: |
| 180 | LOG(ALERT) << "Unsupported radio interface configuration"; |
| 181 | return NULL; |
| 182 | } |
| 183 | |
| 184 | if (!radio->init(type)) { |
| 185 | LOG(ALERT) << "Failed to initialize radio interface"; |
| 186 | return NULL; |
| 187 | } |
| 188 | |
| 189 | return radio; |
| 190 | } |
| 191 | |
| 192 | /* Create transceiver core |
| 193 | * The multi-threaded modem core operates at multiples of the GSM rate of |
| 194 | * 270.8333 ksps and consists of GSM specific modulation, demodulation, |
| 195 | * and decoding schemes. Also included are the socket interfaces for |
| 196 | * connecting to the upper layer stack. |
| 197 | */ |
| 198 | Transceiver *makeTransceiver(struct trx_config *config, RadioInterface *radio) |
| 199 | { |
| 200 | Transceiver *trx; |
| 201 | VectorFIFO *fifo; |
| 202 | |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 203 | trx = new Transceiver(config->port, config->addr.c_str(), |
| 204 | config->tx_sps, config->rx_sps, config->chans, |
| 205 | GSM::Time(3,0), radio, config->rssi_offset); |
Tom Tsou | 64464e6 | 2016-07-01 03:46:46 -0700 | [diff] [blame] | 206 | if (!trx->init(config->filler, config->rtsc, |
| 207 | config->rach_delay, config->edge)) { |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 208 | LOG(ALERT) << "Failed to initialize transceiver"; |
| 209 | delete trx; |
| 210 | return NULL; |
| 211 | } |
| 212 | |
| 213 | for (size_t i = 0; i < config->chans; i++) { |
| 214 | fifo = radio->receiveFIFO(i); |
| 215 | if (fifo && trx->receiveFIFO(fifo, i)) |
| 216 | continue; |
| 217 | |
| 218 | LOG(ALERT) << "Could not attach FIFO to channel " << i; |
| 219 | delete trx; |
| 220 | return NULL; |
| 221 | } |
| 222 | |
| 223 | return trx; |
| 224 | } |
| 225 | |
| 226 | static void sig_handler(int signo) |
| 227 | { |
| 228 | fprintf(stdout, "Received shutdown signal"); |
| 229 | gshutdown = true; |
| 230 | } |
| 231 | |
| 232 | static void setup_signal_handlers() |
| 233 | { |
| 234 | if (signal(SIGINT, sig_handler) == SIG_ERR) { |
| 235 | fprintf(stderr, "Failed to install SIGINT signal handler\n"); |
| 236 | exit(EXIT_FAILURE); |
| 237 | } |
| 238 | if (signal(SIGTERM, sig_handler) == SIG_ERR) { |
| 239 | fprintf(stderr, "Couldn't install SIGTERM signal handler\n"); |
| 240 | exit( EXIT_FAILURE); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | static void print_help() |
| 245 | { |
| 246 | fprintf(stdout, "Options:\n" |
| 247 | " -h This text\n" |
| 248 | " -a UHD device args\n" |
| 249 | " -l Logging level (%s)\n" |
| 250 | " -i IP address of GSM core\n" |
| 251 | " -p Base port number\n" |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 252 | " -e Enable EDGE receiver\n" |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 253 | " -m Enable multi-ARFCN transceiver (default=disabled)\n" |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 254 | " -x Enable external 10 MHz reference\n" |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 255 | " -g Enable GPSDO reference\n" |
Tom Tsou | 2e4ed10 | 2016-06-27 15:39:16 -0700 | [diff] [blame] | 256 | " -s Tx samples-per-symbol (1 or 4)\n" |
| 257 | " -b Rx samples-per-symbol (1 or 4)\n" |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 258 | " -c Number of ARFCN channels (default=1)\n" |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 259 | " -f Enable C0 filler table\n" |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 260 | " -o Set baseband frequency offset (default=auto)\n" |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 261 | " -r Random Normal Burst test mode with TSC\n" |
| 262 | " -A Random Access Burst test mode with delay\n" |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 263 | " -R RSSI to dBm offset in dB (default=0)\n" |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 264 | " -S Swap channels (UmTRX only)\n" |
| 265 | " -t SCHED_RR real-time priority (1..32)\n", |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 266 | "EMERG, ALERT, CRT, ERR, WARNING, NOTICE, INFO, DEBUG"); |
| 267 | } |
| 268 | |
| 269 | static void handle_options(int argc, char **argv, struct trx_config *config) |
| 270 | { |
| 271 | int option; |
| 272 | |
Tom Tsou | de116e9 | 2017-03-30 17:00:42 -0700 | [diff] [blame] | 273 | config->log_level = "NOTICE"; |
| 274 | config->addr = DEFAULT_TRX_IP; |
| 275 | config->port = DEFAULT_TRX_PORT; |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 276 | config->tx_sps = DEFAULT_TX_SPS; |
| 277 | config->rx_sps = DEFAULT_RX_SPS; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 278 | config->chans = DEFAULT_CHANS; |
| 279 | config->rtsc = 0; |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 280 | config->rach_delay = 0; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 281 | config->extref = false; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 282 | config->gpsref = false; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 283 | config->filler = Transceiver::FILLER_ZERO; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 284 | config->mcbts = false; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 285 | config->offset = 0.0; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 286 | config->rssi_offset = 0.0; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 287 | config->swap_channels = false; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 288 | config->edge = false; |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 289 | config->sched_rr = -1; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 290 | |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 291 | while ((option = getopt(argc, argv, "ha:l:i:p:c:dmxgfo:s:b:r:A:R:Set:")) != -1) { |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 292 | switch (option) { |
| 293 | case 'h': |
| 294 | print_help(); |
| 295 | exit(0); |
| 296 | break; |
| 297 | case 'a': |
| 298 | config->dev_args = optarg; |
| 299 | break; |
| 300 | case 'l': |
| 301 | config->log_level = optarg; |
| 302 | break; |
| 303 | case 'i': |
| 304 | config->addr = optarg; |
| 305 | break; |
| 306 | case 'p': |
| 307 | config->port = atoi(optarg); |
| 308 | break; |
| 309 | case 'c': |
| 310 | config->chans = atoi(optarg); |
| 311 | break; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 312 | case 'm': |
| 313 | config->mcbts = true; |
| 314 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 315 | case 'x': |
| 316 | config->extref = true; |
| 317 | break; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 318 | case 'g': |
| 319 | config->gpsref = true; |
| 320 | break; |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 321 | case 'f': |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 322 | config->filler = Transceiver::FILLER_DUMMY; |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 323 | break; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 324 | case 'o': |
| 325 | config->offset = atof(optarg); |
| 326 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 327 | case 's': |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 328 | config->tx_sps = atoi(optarg); |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 329 | break; |
Tom Tsou | 2e4ed10 | 2016-06-27 15:39:16 -0700 | [diff] [blame] | 330 | case 'b': |
| 331 | config->rx_sps = atoi(optarg); |
| 332 | break; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 333 | case 'r': |
| 334 | config->rtsc = atoi(optarg); |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 335 | config->filler = Transceiver::FILLER_NORM_RAND; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 336 | break; |
Alexander Chemeris | 5efe050 | 2016-03-23 17:06:32 +0300 | [diff] [blame] | 337 | case 'A': |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 338 | config->rach_delay = atoi(optarg); |
Alexander Chemeris | 5efe050 | 2016-03-23 17:06:32 +0300 | [diff] [blame] | 339 | config->filler = Transceiver::FILLER_ACCESS_RAND; |
| 340 | break; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 341 | case 'R': |
| 342 | config->rssi_offset = atof(optarg); |
| 343 | break; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 344 | case 'S': |
| 345 | config->swap_channels = true; |
| 346 | break; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 347 | case 'e': |
| 348 | config->edge = true; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 349 | break; |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 350 | case 't': |
| 351 | config->sched_rr = atoi(optarg); |
| 352 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 353 | default: |
| 354 | print_help(); |
| 355 | exit(0); |
| 356 | } |
| 357 | } |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 358 | |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 359 | /* Force 4 SPS for EDGE or multi-ARFCN configurations */ |
| 360 | if ((config->edge) || (config->mcbts)) { |
Tom Tsou | 2e4ed10 | 2016-06-27 15:39:16 -0700 | [diff] [blame] | 361 | config->tx_sps = 4; |
| 362 | config->rx_sps = 4; |
| 363 | } |
| 364 | |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 365 | if (config->gpsref && config->extref) { |
| 366 | printf("External and GPSDO references unavailable at the same time\n\n"); |
| 367 | goto bad_config; |
| 368 | } |
| 369 | |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 370 | if (config->edge && (config->filler == Transceiver::FILLER_NORM_RAND)) |
| 371 | config->filler = Transceiver::FILLER_EDGE_RAND; |
| 372 | |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 373 | if ((config->tx_sps != 1) && (config->tx_sps != 4) && |
| 374 | (config->rx_sps != 1) && (config->rx_sps != 4)) { |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 375 | printf("Unsupported samples-per-symbol %i\n\n", config->tx_sps); |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 376 | goto bad_config; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 377 | } |
| 378 | |
| 379 | if (config->rtsc > 7) { |
| 380 | printf("Invalid training sequence %i\n\n", config->rtsc); |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 381 | goto bad_config; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 382 | } |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 383 | |
| 384 | if (config->rach_delay > 68) { |
| 385 | printf("RACH delay is too big %i\n\n", config->rach_delay); |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 386 | goto bad_config; |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 387 | } |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 388 | |
| 389 | return; |
| 390 | |
| 391 | bad_config: |
| 392 | print_help(); |
| 393 | exit(0); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 394 | } |
| 395 | |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 396 | static int set_sched_rr(int prio) |
| 397 | { |
| 398 | struct sched_param param; |
| 399 | int rc; |
| 400 | memset(¶m, 0, sizeof(param)); |
| 401 | param.sched_priority = prio; |
| 402 | printf("Setting SCHED_RR priority(%d)\n", param.sched_priority); |
| 403 | rc = sched_setscheduler(getpid(), SCHED_RR, ¶m); |
| 404 | if (rc != 0) { |
| 405 | std::cerr << "Config: Setting SCHED_RR failed" << std::endl; |
| 406 | return -1; |
| 407 | } |
| 408 | return 0; |
| 409 | } |
| 410 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 411 | int main(int argc, char *argv[]) |
| 412 | { |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 413 | int type, chans, ref; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 414 | RadioDevice *usrp; |
| 415 | RadioInterface *radio = NULL; |
| 416 | Transceiver *trx = NULL; |
Tom Tsou | 05c6feb | 2016-06-22 16:09:44 -0700 | [diff] [blame] | 417 | RadioDevice::InterfaceType iface = RadioDevice::NORMAL; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 418 | struct trx_config config; |
| 419 | |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 420 | #ifdef HAVE_SSE3 |
| 421 | printf("Info: SSE3 support compiled in"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 422 | #ifdef HAVE___BUILTIN_CPU_SUPPORTS |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 423 | if (__builtin_cpu_supports("sse3")) |
| 424 | printf(" and supported by CPU\n"); |
| 425 | else |
| 426 | printf(", but not supported by CPU\n"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 427 | #else |
| 428 | printf(", but runtime SIMD detection disabled\n"); |
| 429 | #endif |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 430 | #endif |
| 431 | |
| 432 | #ifdef HAVE_SSE4_1 |
| 433 | printf("Info: SSE4.1 support compiled in"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 434 | #ifdef HAVE___BUILTIN_CPU_SUPPORTS |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 435 | if (__builtin_cpu_supports("sse4.1")) |
| 436 | printf(" and supported by CPU\n"); |
| 437 | else |
| 438 | printf(", but not supported by CPU\n"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 439 | #else |
| 440 | printf(", but runtime SIMD detection disabled\n"); |
| 441 | #endif |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 442 | #endif |
| 443 | |
Philipp Maier | 7e07cf2 | 2017-03-15 18:09:35 +0100 | [diff] [blame] | 444 | convolve_init(); |
| 445 | convert_init(); |
| 446 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 447 | handle_options(argc, argv, &config); |
| 448 | |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame^] | 449 | if (config.sched_rr != -1) { |
| 450 | if (set_sched_rr(config.sched_rr) < 0) |
| 451 | return EXIT_FAILURE; |
| 452 | } |
| 453 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 454 | setup_signal_handlers(); |
| 455 | |
| 456 | /* Check database sanity */ |
| 457 | if (!trx_setup_config(&config)) { |
| 458 | std::cerr << "Config: Database failure - exiting" << std::endl; |
| 459 | return EXIT_FAILURE; |
| 460 | } |
| 461 | |
| 462 | gLogInit("transceiver", config.log_level.c_str(), LOG_LOCAL7); |
| 463 | |
| 464 | srandom(time(NULL)); |
| 465 | |
| 466 | /* Create the low level device object */ |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 467 | if (config.mcbts) |
| 468 | iface = RadioDevice::MULTI_ARFCN; |
| 469 | |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 470 | if (config.extref) |
| 471 | ref = RadioDevice::REF_EXTERNAL; |
| 472 | else if (config.gpsref) |
| 473 | ref = RadioDevice::REF_GPS; |
| 474 | else |
| 475 | ref = RadioDevice::REF_INTERNAL; |
| 476 | |
Tom Tsou | 05c6feb | 2016-06-22 16:09:44 -0700 | [diff] [blame] | 477 | usrp = RadioDevice::make(config.tx_sps, config.rx_sps, iface, |
| 478 | config.chans, config.offset); |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 479 | type = usrp->open(config.dev_args, ref, config.swap_channels); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 480 | if (type < 0) { |
| 481 | LOG(ALERT) << "Failed to create radio device" << std::endl; |
| 482 | goto shutdown; |
| 483 | } |
| 484 | |
| 485 | /* Setup the appropriate device interface */ |
| 486 | radio = makeRadioInterface(&config, usrp, type); |
| 487 | if (!radio) |
| 488 | goto shutdown; |
| 489 | |
| 490 | /* Create the transceiver core */ |
| 491 | trx = makeTransceiver(&config, radio); |
| 492 | if (!trx) |
| 493 | goto shutdown; |
| 494 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 495 | chans = trx->numChans(); |
| 496 | std::cout << "-- Transceiver active with " |
| 497 | << chans << " channel(s)" << std::endl; |
| 498 | |
| 499 | while (!gshutdown) |
| 500 | sleep(1); |
| 501 | |
| 502 | shutdown: |
| 503 | std::cout << "Shutting down transceiver..." << std::endl; |
| 504 | |
| 505 | delete trx; |
| 506 | delete radio; |
| 507 | delete usrp; |
| 508 | |
| 509 | return 0; |
| 510 | } |