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> |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 31 | #include <vector> |
| 32 | #include <string> |
| 33 | #include <sstream> |
| 34 | #include <iostream> |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 35 | |
| 36 | #include <GSMCommon.h> |
| 37 | #include <Logger.h> |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 38 | |
Philipp Maier | 7e07cf2 | 2017-03-15 18:09:35 +0100 | [diff] [blame] | 39 | extern "C" { |
Pau Espin Pedrol | 3a3b220 | 2018-02-21 20:15:47 +0100 | [diff] [blame^] | 40 | #include <osmocom/core/talloc.h> |
Pau Espin Pedrol | ab22f4c | 2018-02-21 20:15:18 +0100 | [diff] [blame] | 41 | #include <osmocom/core/application.h> |
Pau Espin Pedrol | 3a3b220 | 2018-02-21 20:15:47 +0100 | [diff] [blame^] | 42 | #include <osmocom/core/msgb.h> |
Philipp Maier | 7e07cf2 | 2017-03-15 18:09:35 +0100 | [diff] [blame] | 43 | #include "convolve.h" |
| 44 | #include "convert.h" |
| 45 | } |
| 46 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 47 | /* Samples-per-symbol for downlink path |
| 48 | * 4 - Uses precision modulator (more computation, less distortion) |
| 49 | * 1 - Uses minimized modulator (less computation, more distortion) |
| 50 | * |
| 51 | * Other values are invalid. Receive path (uplink) is always |
Tom Tsou | 0fe41a5 | 2016-05-03 15:14:45 -0700 | [diff] [blame] | 52 | * downsampled to 1 sps. Default to 4 sps for all cases. |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 53 | */ |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 54 | #define DEFAULT_TX_SPS 4 |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 55 | |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 56 | /* |
| 57 | * Samples-per-symbol for uplink (receiver) path |
| 58 | * Do not modify this value. EDGE configures 4 sps automatically on |
| 59 | * B200/B210 devices only. Use of 4 sps on the receive path for other |
| 60 | * configurations is not supported. |
| 61 | */ |
| 62 | #define DEFAULT_RX_SPS 1 |
| 63 | |
Tom Tsou | de116e9 | 2017-03-30 17:00:42 -0700 | [diff] [blame] | 64 | /* Default configuration parameters */ |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 65 | #define DEFAULT_TRX_PORT 5700 |
| 66 | #define DEFAULT_TRX_IP "127.0.0.1" |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 67 | #define DEFAULT_CHANS 1 |
| 68 | |
| 69 | struct trx_config { |
| 70 | std::string log_level; |
Pau Espin Pedrol | 8c80095 | 2017-08-16 16:53:23 +0200 | [diff] [blame] | 71 | std::string local_addr; |
| 72 | std::string remote_addr; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 73 | std::string dev_args; |
| 74 | unsigned port; |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 75 | unsigned tx_sps; |
| 76 | unsigned rx_sps; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 77 | unsigned chans; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 78 | unsigned rtsc; |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 79 | unsigned rach_delay; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 80 | bool extref; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 81 | bool gpsref; |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 82 | Transceiver::FillerType filler; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 83 | bool mcbts; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 84 | double offset; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 85 | double rssi_offset; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 86 | bool swap_channels; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 87 | bool edge; |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame] | 88 | int sched_rr; |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 89 | std::vector<std::string> rx_paths; |
| 90 | std::vector<std::string> tx_paths; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 91 | }; |
| 92 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 93 | volatile bool gshutdown = false; |
| 94 | |
Pau Espin Pedrol | 3a3b220 | 2018-02-21 20:15:47 +0100 | [diff] [blame^] | 95 | static void *tall_trx_ctx; |
| 96 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 97 | /* Setup configuration values |
| 98 | * Don't query the existence of the Log.Level because it's a |
| 99 | * mandatory value. That is, if it doesn't exist, the configuration |
Thomas Tsou | 4de70be | 2013-11-17 18:54:52 -0500 | [diff] [blame] | 100 | * table will crash or will have already crashed. Everything else we |
| 101 | * can survive without and use default values if the database entries |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 102 | * are empty. |
| 103 | */ |
| 104 | bool trx_setup_config(struct trx_config *config) |
| 105 | { |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 106 | std::string refstr, fillstr, divstr, mcstr, edgestr; |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 107 | std::vector<std::string>::const_iterator si; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 108 | |
Tom Tsou | 6031734 | 2017-03-30 19:36:41 -0700 | [diff] [blame] | 109 | if (config->mcbts && config->chans > 5) { |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 110 | std::cout << "Unsupported number of channels" << std::endl; |
| 111 | return false; |
| 112 | } |
| 113 | |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 114 | edgestr = config->edge ? "Enabled" : "Disabled"; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 115 | mcstr = config->mcbts ? "Enabled" : "Disabled"; |
| 116 | |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 117 | if (config->extref) |
| 118 | refstr = "External"; |
| 119 | else if (config->gpsref) |
| 120 | refstr = "GPS"; |
| 121 | else |
| 122 | refstr = "Internal"; |
| 123 | |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 124 | switch (config->filler) { |
| 125 | case Transceiver::FILLER_DUMMY: |
| 126 | fillstr = "Dummy bursts"; |
| 127 | break; |
| 128 | case Transceiver::FILLER_ZERO: |
| 129 | fillstr = "Disabled"; |
| 130 | break; |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 131 | case Transceiver::FILLER_NORM_RAND: |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 132 | fillstr = "Normal busrts with random payload"; |
| 133 | break; |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 134 | case Transceiver::FILLER_EDGE_RAND: |
| 135 | fillstr = "EDGE busrts with random payload"; |
| 136 | break; |
Alexander Chemeris | 5efe050 | 2016-03-23 17:06:32 +0300 | [diff] [blame] | 137 | case Transceiver::FILLER_ACCESS_RAND: |
| 138 | fillstr = "Access busrts with random payload"; |
| 139 | break; |
Alexander Chemeris | f5fd578 | 2015-05-24 18:56:51 -0400 | [diff] [blame] | 140 | } |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 141 | |
| 142 | std::ostringstream ost(""); |
| 143 | ost << "Config Settings" << std::endl; |
| 144 | ost << " Log Level............... " << config->log_level << std::endl; |
| 145 | ost << " Device args............. " << config->dev_args << std::endl; |
| 146 | ost << " TRX Base Port........... " << config->port << std::endl; |
Pau Espin Pedrol | 8c80095 | 2017-08-16 16:53:23 +0200 | [diff] [blame] | 147 | ost << " TRX Address............. " << config->local_addr << std::endl; |
| 148 | ost << " GSM Core Address........." << config->remote_addr << std::endl; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 149 | ost << " Channels................ " << config->chans << std::endl; |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 150 | ost << " Tx Samples-per-Symbol... " << config->tx_sps << std::endl; |
Alexander Chemeris | 1ab5e7f | 2016-04-20 08:44:55 +0300 | [diff] [blame] | 151 | ost << " Rx Samples-per-Symbol... " << config->rx_sps << std::endl; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 152 | ost << " EDGE support............ " << edgestr << std::endl; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 153 | ost << " Reference............... " << refstr << std::endl; |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 154 | ost << " C0 Filler Table......... " << fillstr << std::endl; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 155 | ost << " Multi-Carrier........... " << mcstr << std::endl; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 156 | ost << " Tuning offset........... " << config->offset << std::endl; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 157 | ost << " RSSI to dBm offset...... " << config->rssi_offset << std::endl; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 158 | ost << " Swap channels........... " << config->swap_channels << std::endl; |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 159 | ost << " Tx Antennas............."; |
| 160 | for (si = config->tx_paths.begin(); si != config->tx_paths.end(); ++si) |
| 161 | ost << " '" << ((*si != "") ? *si : "<default>") << "'"; |
| 162 | ost << std::endl; |
| 163 | ost << " Rx Antennas............."; |
| 164 | for (si = config->rx_paths.begin(); si != config->rx_paths.end(); ++si) |
| 165 | ost << " '" << ((*si != "") ? *si : "<default>") << "'"; |
| 166 | ost << std::endl; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 167 | |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 168 | std::cout << ost << std::endl; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 169 | return true; |
| 170 | } |
| 171 | |
| 172 | /* Create radio interface |
| 173 | * The interface consists of sample rate changes, frequency shifts, |
| 174 | * channel multiplexing, and other conversions. The transceiver core |
| 175 | * accepts input vectors sampled at multiples of the GSM symbol rate. |
| 176 | * The radio interface connects the main transceiver with the device |
| 177 | * object, which may be operating some other rate. |
| 178 | */ |
| 179 | RadioInterface *makeRadioInterface(struct trx_config *config, |
| 180 | RadioDevice *usrp, int type) |
| 181 | { |
| 182 | RadioInterface *radio = NULL; |
| 183 | |
| 184 | switch (type) { |
| 185 | case RadioDevice::NORMAL: |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 186 | radio = new RadioInterface(usrp, config->tx_sps, |
| 187 | config->rx_sps, config->chans); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 188 | break; |
| 189 | case RadioDevice::RESAMP_64M: |
| 190 | case RadioDevice::RESAMP_100M: |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 191 | radio = new RadioInterfaceResamp(usrp, config->tx_sps, |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 192 | config->rx_sps); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 193 | break; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 194 | case RadioDevice::MULTI_ARFCN: |
| 195 | radio = new RadioInterfaceMulti(usrp, config->tx_sps, |
| 196 | config->rx_sps, config->chans); |
| 197 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 198 | default: |
| 199 | LOG(ALERT) << "Unsupported radio interface configuration"; |
| 200 | return NULL; |
| 201 | } |
| 202 | |
| 203 | if (!radio->init(type)) { |
| 204 | LOG(ALERT) << "Failed to initialize radio interface"; |
| 205 | return NULL; |
| 206 | } |
| 207 | |
| 208 | return radio; |
| 209 | } |
| 210 | |
| 211 | /* Create transceiver core |
| 212 | * The multi-threaded modem core operates at multiples of the GSM rate of |
| 213 | * 270.8333 ksps and consists of GSM specific modulation, demodulation, |
| 214 | * and decoding schemes. Also included are the socket interfaces for |
| 215 | * connecting to the upper layer stack. |
| 216 | */ |
| 217 | Transceiver *makeTransceiver(struct trx_config *config, RadioInterface *radio) |
| 218 | { |
| 219 | Transceiver *trx; |
| 220 | VectorFIFO *fifo; |
| 221 | |
Pau Espin Pedrol | 8c80095 | 2017-08-16 16:53:23 +0200 | [diff] [blame] | 222 | trx = new Transceiver(config->port, config->local_addr.c_str(), |
| 223 | config->remote_addr.c_str(), config->tx_sps, |
| 224 | config->rx_sps, config->chans, GSM::Time(3,0), |
| 225 | radio, config->rssi_offset); |
Tom Tsou | 64464e6 | 2016-07-01 03:46:46 -0700 | [diff] [blame] | 226 | if (!trx->init(config->filler, config->rtsc, |
| 227 | config->rach_delay, config->edge)) { |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 228 | LOG(ALERT) << "Failed to initialize transceiver"; |
| 229 | delete trx; |
| 230 | return NULL; |
| 231 | } |
| 232 | |
| 233 | for (size_t i = 0; i < config->chans; i++) { |
| 234 | fifo = radio->receiveFIFO(i); |
| 235 | if (fifo && trx->receiveFIFO(fifo, i)) |
| 236 | continue; |
| 237 | |
| 238 | LOG(ALERT) << "Could not attach FIFO to channel " << i; |
| 239 | delete trx; |
| 240 | return NULL; |
| 241 | } |
| 242 | |
| 243 | return trx; |
| 244 | } |
| 245 | |
| 246 | static void sig_handler(int signo) |
| 247 | { |
Pau Espin Pedrol | ab22f4c | 2018-02-21 20:15:18 +0100 | [diff] [blame] | 248 | fprintf(stdout, "signal %d received\n", signo); |
| 249 | switch (signo) { |
| 250 | case SIGINT: |
| 251 | case SIGTERM: |
| 252 | fprintf(stdout, "shutting down\n"); |
| 253 | gshutdown = true; |
| 254 | break; |
Pau Espin Pedrol | 3a3b220 | 2018-02-21 20:15:47 +0100 | [diff] [blame^] | 255 | case SIGABRT: |
| 256 | case SIGUSR1: |
| 257 | talloc_report(tall_trx_ctx, stderr); |
| 258 | talloc_report_full(tall_trx_ctx, stderr); |
| 259 | break; |
| 260 | case SIGUSR2: |
| 261 | talloc_report_full(tall_trx_ctx, stderr); |
| 262 | break; |
Pau Espin Pedrol | ab22f4c | 2018-02-21 20:15:18 +0100 | [diff] [blame] | 263 | default: |
| 264 | break; |
| 265 | } |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | static void setup_signal_handlers() |
| 269 | { |
Pau Espin Pedrol | ab22f4c | 2018-02-21 20:15:18 +0100 | [diff] [blame] | 270 | /* Handle keyboard interrupt SIGINT */ |
| 271 | signal(SIGINT, &sig_handler); |
| 272 | signal(SIGTERM, &sig_handler); |
| 273 | signal(SIGABRT, &sig_handler); |
| 274 | signal(SIGUSR1, &sig_handler); |
| 275 | signal(SIGUSR2, &sig_handler); |
| 276 | osmo_init_ignore_signals(); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 277 | } |
| 278 | |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 279 | |
| 280 | static std::vector<std::string> comma_delimited_to_vector(char* opt) { |
| 281 | std::string str = std::string(opt); |
| 282 | std::vector<std::string> result; |
| 283 | std::stringstream ss(str); |
| 284 | |
| 285 | while( ss.good() ) |
| 286 | { |
| 287 | std::string substr; |
| 288 | getline(ss, substr, ','); |
| 289 | result.push_back(substr); |
| 290 | } |
| 291 | return result; |
| 292 | } |
| 293 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 294 | static void print_help() |
| 295 | { |
| 296 | fprintf(stdout, "Options:\n" |
| 297 | " -h This text\n" |
| 298 | " -a UHD device args\n" |
| 299 | " -l Logging level (%s)\n" |
| 300 | " -i IP address of GSM core\n" |
Pau Espin Pedrol | 8c80095 | 2017-08-16 16:53:23 +0200 | [diff] [blame] | 301 | " -j IP address of osmo-trx\n" |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 302 | " -p Base port number\n" |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 303 | " -e Enable EDGE receiver\n" |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 304 | " -m Enable multi-ARFCN transceiver (default=disabled)\n" |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 305 | " -x Enable external 10 MHz reference\n" |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 306 | " -g Enable GPSDO reference\n" |
Tom Tsou | 2e4ed10 | 2016-06-27 15:39:16 -0700 | [diff] [blame] | 307 | " -s Tx samples-per-symbol (1 or 4)\n" |
| 308 | " -b Rx samples-per-symbol (1 or 4)\n" |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 309 | " -c Number of ARFCN channels (default=1)\n" |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 310 | " -f Enable C0 filler table\n" |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 311 | " -o Set baseband frequency offset (default=auto)\n" |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 312 | " -r Random Normal Burst test mode with TSC\n" |
| 313 | " -A Random Access Burst test mode with delay\n" |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 314 | " -R RSSI to dBm offset in dB (default=0)\n" |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame] | 315 | " -S Swap channels (UmTRX only)\n" |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 316 | " -t SCHED_RR real-time priority (1..32)\n" |
| 317 | " -y comma-delimited list of Tx paths (num elements matches -c)\n" |
| 318 | " -z comma-delimited list of Rx paths (num elements matches -c)\n", |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 319 | "EMERG, ALERT, CRT, ERR, WARNING, NOTICE, INFO, DEBUG"); |
| 320 | } |
| 321 | |
| 322 | static void handle_options(int argc, char **argv, struct trx_config *config) |
| 323 | { |
| 324 | int option; |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 325 | bool tx_path_set = false, rx_path_set = false; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 326 | |
Tom Tsou | de116e9 | 2017-03-30 17:00:42 -0700 | [diff] [blame] | 327 | config->log_level = "NOTICE"; |
Pau Espin Pedrol | 8c80095 | 2017-08-16 16:53:23 +0200 | [diff] [blame] | 328 | config->local_addr = DEFAULT_TRX_IP; |
| 329 | config->remote_addr = DEFAULT_TRX_IP; |
Tom Tsou | de116e9 | 2017-03-30 17:00:42 -0700 | [diff] [blame] | 330 | config->port = DEFAULT_TRX_PORT; |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 331 | config->tx_sps = DEFAULT_TX_SPS; |
| 332 | config->rx_sps = DEFAULT_RX_SPS; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 333 | config->chans = DEFAULT_CHANS; |
| 334 | config->rtsc = 0; |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 335 | config->rach_delay = 0; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 336 | config->extref = false; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 337 | config->gpsref = false; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 338 | config->filler = Transceiver::FILLER_ZERO; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 339 | config->mcbts = false; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 340 | config->offset = 0.0; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 341 | config->rssi_offset = 0.0; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 342 | config->swap_channels = false; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 343 | config->edge = false; |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame] | 344 | config->sched_rr = -1; |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 345 | config->tx_paths = std::vector<std::string>(DEFAULT_CHANS, ""); |
| 346 | config->rx_paths = std::vector<std::string>(DEFAULT_CHANS, ""); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 347 | |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 348 | while ((option = getopt(argc, argv, "ha:l:i:j:p:c:dmxgfo:s:b:r:A:R:Set:y:z:")) != -1) { |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 349 | switch (option) { |
| 350 | case 'h': |
| 351 | print_help(); |
| 352 | exit(0); |
| 353 | break; |
| 354 | case 'a': |
| 355 | config->dev_args = optarg; |
| 356 | break; |
| 357 | case 'l': |
| 358 | config->log_level = optarg; |
| 359 | break; |
| 360 | case 'i': |
Pau Espin Pedrol | 8c80095 | 2017-08-16 16:53:23 +0200 | [diff] [blame] | 361 | config->remote_addr = optarg; |
| 362 | break; |
| 363 | case 'j': |
| 364 | config->local_addr = optarg; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 365 | break; |
| 366 | case 'p': |
| 367 | config->port = atoi(optarg); |
| 368 | break; |
| 369 | case 'c': |
| 370 | config->chans = atoi(optarg); |
| 371 | break; |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 372 | case 'm': |
| 373 | config->mcbts = true; |
| 374 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 375 | case 'x': |
| 376 | config->extref = true; |
| 377 | break; |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 378 | case 'g': |
| 379 | config->gpsref = true; |
| 380 | break; |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 381 | case 'f': |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 382 | config->filler = Transceiver::FILLER_DUMMY; |
Thomas Tsou | 15d743e | 2014-01-25 02:34:03 -0500 | [diff] [blame] | 383 | break; |
Thomas Tsou | 8e17df7 | 2014-03-06 14:16:11 -0500 | [diff] [blame] | 384 | case 'o': |
| 385 | config->offset = atof(optarg); |
| 386 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 387 | case 's': |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 388 | config->tx_sps = atoi(optarg); |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 389 | break; |
Tom Tsou | 2e4ed10 | 2016-06-27 15:39:16 -0700 | [diff] [blame] | 390 | case 'b': |
| 391 | config->rx_sps = atoi(optarg); |
| 392 | break; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 393 | case 'r': |
| 394 | config->rtsc = atoi(optarg); |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 395 | config->filler = Transceiver::FILLER_NORM_RAND; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 396 | break; |
Alexander Chemeris | 5efe050 | 2016-03-23 17:06:32 +0300 | [diff] [blame] | 397 | case 'A': |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 398 | config->rach_delay = atoi(optarg); |
Alexander Chemeris | 5efe050 | 2016-03-23 17:06:32 +0300 | [diff] [blame] | 399 | config->filler = Transceiver::FILLER_ACCESS_RAND; |
| 400 | break; |
Alexander Chemeris | e8905a0 | 2015-06-03 23:47:56 -0400 | [diff] [blame] | 401 | case 'R': |
| 402 | config->rssi_offset = atof(optarg); |
| 403 | break; |
Alexander Chemeris | 50747dc | 2015-06-07 01:07:45 -0400 | [diff] [blame] | 404 | case 'S': |
| 405 | config->swap_channels = true; |
| 406 | break; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 407 | case 'e': |
| 408 | config->edge = true; |
Tom Tsou | b0aefcb | 2016-03-06 03:44:34 -0800 | [diff] [blame] | 409 | break; |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame] | 410 | case 't': |
| 411 | config->sched_rr = atoi(optarg); |
| 412 | break; |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 413 | case 'y': |
| 414 | config->tx_paths = comma_delimited_to_vector(optarg); |
| 415 | tx_path_set = true; |
| 416 | break; |
| 417 | case 'z': |
| 418 | config->rx_paths = comma_delimited_to_vector(optarg); |
| 419 | rx_path_set = true; |
| 420 | break; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 421 | default: |
| 422 | print_help(); |
| 423 | exit(0); |
| 424 | } |
| 425 | } |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 426 | |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 427 | /* Force 4 SPS for EDGE or multi-ARFCN configurations */ |
| 428 | if ((config->edge) || (config->mcbts)) { |
Tom Tsou | 2e4ed10 | 2016-06-27 15:39:16 -0700 | [diff] [blame] | 429 | config->tx_sps = 4; |
| 430 | config->rx_sps = 4; |
| 431 | } |
| 432 | |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 433 | if (config->gpsref && config->extref) { |
| 434 | printf("External and GPSDO references unavailable at the same time\n\n"); |
| 435 | goto bad_config; |
| 436 | } |
| 437 | |
Tom Tsou | af717b2 | 2016-03-06 22:19:15 -0800 | [diff] [blame] | 438 | if (config->edge && (config->filler == Transceiver::FILLER_NORM_RAND)) |
| 439 | config->filler = Transceiver::FILLER_EDGE_RAND; |
| 440 | |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 441 | if ((config->tx_sps != 1) && (config->tx_sps != 4) && |
| 442 | (config->rx_sps != 1) && (config->rx_sps != 4)) { |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 443 | printf("Unsupported samples-per-symbol %i\n\n", config->tx_sps); |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 444 | goto bad_config; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | if (config->rtsc > 7) { |
| 448 | printf("Invalid training sequence %i\n\n", config->rtsc); |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 449 | goto bad_config; |
Tom Tsou | 64ad712 | 2015-05-19 18:26:31 -0700 | [diff] [blame] | 450 | } |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 451 | |
| 452 | if (config->rach_delay > 68) { |
| 453 | printf("RACH delay is too big %i\n\n", config->rach_delay); |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 454 | goto bad_config; |
Alexander Chemeris | 37c52c7 | 2016-03-25 18:28:34 +0300 | [diff] [blame] | 455 | } |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 456 | |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 457 | if (!tx_path_set) { |
| 458 | config->tx_paths = std::vector<std::string>(config->chans, ""); |
| 459 | } else if (config->tx_paths.size() != config->chans) { |
| 460 | printf("Num of channels and num of Tx Antennas doesn't match\n\n"); |
| 461 | goto bad_config; |
| 462 | } |
| 463 | if (!rx_path_set) { |
| 464 | config->rx_paths = std::vector<std::string>(config->chans, ""); |
| 465 | } else if (config->rx_paths.size() != config->chans) { |
| 466 | printf("Num of channels and num of Rx Antennas doesn't match\n\n"); |
| 467 | goto bad_config; |
| 468 | } |
| 469 | |
Tom Tsou | 8f0ccf6 | 2016-07-20 16:35:03 -0700 | [diff] [blame] | 470 | return; |
| 471 | |
| 472 | bad_config: |
| 473 | print_help(); |
| 474 | exit(0); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 475 | } |
| 476 | |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame] | 477 | static int set_sched_rr(int prio) |
| 478 | { |
| 479 | struct sched_param param; |
| 480 | int rc; |
| 481 | memset(¶m, 0, sizeof(param)); |
| 482 | param.sched_priority = prio; |
| 483 | printf("Setting SCHED_RR priority(%d)\n", param.sched_priority); |
| 484 | rc = sched_setscheduler(getpid(), SCHED_RR, ¶m); |
| 485 | if (rc != 0) { |
| 486 | std::cerr << "Config: Setting SCHED_RR failed" << std::endl; |
| 487 | return -1; |
| 488 | } |
| 489 | return 0; |
| 490 | } |
| 491 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 492 | int main(int argc, char *argv[]) |
| 493 | { |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 494 | int type, chans, ref; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 495 | RadioDevice *usrp; |
| 496 | RadioInterface *radio = NULL; |
| 497 | Transceiver *trx = NULL; |
Tom Tsou | 05c6feb | 2016-06-22 16:09:44 -0700 | [diff] [blame] | 498 | RadioDevice::InterfaceType iface = RadioDevice::NORMAL; |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 499 | struct trx_config config; |
| 500 | |
Pau Espin Pedrol | 3a3b220 | 2018-02-21 20:15:47 +0100 | [diff] [blame^] | 501 | tall_trx_ctx = talloc_named_const(NULL, 0, "OsmoTRX"); |
| 502 | msgb_talloc_ctx_init(tall_trx_ctx, 0); |
Pau Espin Pedrol | ab22f4c | 2018-02-21 20:15:18 +0100 | [diff] [blame] | 503 | setup_signal_handlers(); |
| 504 | |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 505 | #ifdef HAVE_SSE3 |
| 506 | printf("Info: SSE3 support compiled in"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 507 | #ifdef HAVE___BUILTIN_CPU_SUPPORTS |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 508 | if (__builtin_cpu_supports("sse3")) |
| 509 | printf(" and supported by CPU\n"); |
| 510 | else |
| 511 | printf(", but not supported by CPU\n"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 512 | #else |
| 513 | printf(", but runtime SIMD detection disabled\n"); |
| 514 | #endif |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 515 | #endif |
| 516 | |
| 517 | #ifdef HAVE_SSE4_1 |
| 518 | printf("Info: SSE4.1 support compiled in"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 519 | #ifdef HAVE___BUILTIN_CPU_SUPPORTS |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 520 | if (__builtin_cpu_supports("sse4.1")) |
| 521 | printf(" and supported by CPU\n"); |
| 522 | else |
| 523 | printf(", but not supported by CPU\n"); |
Vadim Yanitskiy | 3bd763d | 2017-05-20 01:46:51 +0300 | [diff] [blame] | 524 | #else |
| 525 | printf(", but runtime SIMD detection disabled\n"); |
| 526 | #endif |
Philipp Maier | e51a8f0 | 2017-03-16 12:09:34 +0100 | [diff] [blame] | 527 | #endif |
| 528 | |
Philipp Maier | 7e07cf2 | 2017-03-15 18:09:35 +0100 | [diff] [blame] | 529 | convolve_init(); |
| 530 | convert_init(); |
| 531 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 532 | handle_options(argc, argv, &config); |
| 533 | |
Harald Welte | 81486e0 | 2017-06-29 15:35:22 +0200 | [diff] [blame] | 534 | if (config.sched_rr != -1) { |
| 535 | if (set_sched_rr(config.sched_rr) < 0) |
| 536 | return EXIT_FAILURE; |
| 537 | } |
| 538 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 539 | /* Check database sanity */ |
| 540 | if (!trx_setup_config(&config)) { |
| 541 | std::cerr << "Config: Database failure - exiting" << std::endl; |
| 542 | return EXIT_FAILURE; |
| 543 | } |
| 544 | |
Pau Espin Pedrol | 11d50d9 | 2018-02-20 17:52:28 +0100 | [diff] [blame] | 545 | gLogInit(config.log_level.c_str()); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 546 | |
| 547 | srandom(time(NULL)); |
| 548 | |
| 549 | /* Create the low level device object */ |
Tom Tsou | 7676427 | 2016-06-24 14:25:39 -0700 | [diff] [blame] | 550 | if (config.mcbts) |
| 551 | iface = RadioDevice::MULTI_ARFCN; |
| 552 | |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 553 | if (config.extref) |
| 554 | ref = RadioDevice::REF_EXTERNAL; |
| 555 | else if (config.gpsref) |
| 556 | ref = RadioDevice::REF_GPS; |
| 557 | else |
| 558 | ref = RadioDevice::REF_INTERNAL; |
| 559 | |
Tom Tsou | 05c6feb | 2016-06-22 16:09:44 -0700 | [diff] [blame] | 560 | usrp = RadioDevice::make(config.tx_sps, config.rx_sps, iface, |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 561 | config.chans, config.offset, config.tx_paths, config.rx_paths); |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 562 | type = usrp->open(config.dev_args, ref, config.swap_channels); |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 563 | if (type < 0) { |
| 564 | LOG(ALERT) << "Failed to create radio device" << std::endl; |
| 565 | goto shutdown; |
| 566 | } |
| 567 | |
| 568 | /* Setup the appropriate device interface */ |
| 569 | radio = makeRadioInterface(&config, usrp, type); |
| 570 | if (!radio) |
| 571 | goto shutdown; |
| 572 | |
| 573 | /* Create the transceiver core */ |
| 574 | trx = makeTransceiver(&config, radio); |
| 575 | if (!trx) |
| 576 | goto shutdown; |
| 577 | |
Thomas Tsou | 85b179d | 2013-11-15 21:14:33 -0500 | [diff] [blame] | 578 | chans = trx->numChans(); |
| 579 | std::cout << "-- Transceiver active with " |
| 580 | << chans << " channel(s)" << std::endl; |
| 581 | |
| 582 | while (!gshutdown) |
| 583 | sleep(1); |
| 584 | |
| 585 | shutdown: |
| 586 | std::cout << "Shutting down transceiver..." << std::endl; |
| 587 | |
| 588 | delete trx; |
| 589 | delete radio; |
| 590 | delete usrp; |
| 591 | |
| 592 | return 0; |
| 593 | } |