dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2008, 2009 Free Software Foundation, Inc. |
| 3 | * |
| 4 | * This software is distributed under the terms of the GNU Affero Public License. |
| 5 | * See the COPYING file in the main directory for details. |
| 6 | * |
| 7 | * This use of this software may be subject to additional restrictions. |
| 8 | * See the LEGAL file in the main directory for details. |
| 9 | |
| 10 | This program is free software: you can redistribute it and/or modify |
| 11 | it under the terms of the GNU Affero General Public License as published by |
| 12 | the Free Software Foundation, either version 3 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 Affero General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU Affero General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 22 | |
| 23 | */ |
| 24 | |
| 25 | |
| 26 | /* |
| 27 | Compilation Flags |
| 28 | |
| 29 | SWLOOPBACK compile for software loopback testing |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 30 | */ |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 31 | |
| 32 | |
| 33 | #include <stdint.h> |
| 34 | #include <string.h> |
| 35 | #include <stdlib.h> |
Alexander Huemer | 6fafd33 | 2018-01-12 15:04:02 +0100 | [diff] [blame] | 36 | #include "Logger.h" |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 37 | #include "Threads.h" |
| 38 | #include "USRPDevice.h" |
| 39 | |
kurtis.heimerl | 3758b16 | 2011-11-26 03:19:22 +0000 | [diff] [blame] | 40 | #ifdef HAVE_CONFIG_H |
| 41 | #include "config.h" |
| 42 | #endif |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 43 | |
| 44 | using namespace std; |
| 45 | |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 46 | enum dboardConfigType { |
| 47 | TXA_RXB, |
| 48 | TXB_RXA, |
| 49 | TXA_RXA, |
| 50 | TXB_RXB |
| 51 | }; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 52 | |
kurtis.heimerl | 3758b16 | 2011-11-26 03:19:22 +0000 | [diff] [blame] | 53 | #ifdef SINGLEDB |
| 54 | const dboardConfigType dboardConfig = TXA_RXA; |
| 55 | #else |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 56 | const dboardConfigType dboardConfig = TXA_RXB; |
kurtis.heimerl | 3758b16 | 2011-11-26 03:19:22 +0000 | [diff] [blame] | 57 | #endif |
| 58 | |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 59 | const double USRPDevice::masterClockRate = 52.0e6; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 60 | |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 61 | USRPDevice::USRPDevice(size_t sps) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 62 | { |
| 63 | LOG(INFO) << "creating USRP device..."; |
Thomas Tsou | c1f7c42 | 2013-10-11 13:49:55 -0400 | [diff] [blame] | 64 | |
| 65 | this->sps = sps; |
Thomas Tsou | cb69f08 | 2013-04-08 14:18:26 -0400 | [diff] [blame] | 66 | decimRate = (unsigned int) round(masterClockRate/((GSMRATE) * (double) sps)); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 67 | actualSampleRate = masterClockRate/decimRate; |
| 68 | rxGain = 0; |
| 69 | |
Thomas Tsou | c1f7c42 | 2013-10-11 13:49:55 -0400 | [diff] [blame] | 70 | /* |
| 71 | * Undetermined delay b/w ping response timestamp and true |
| 72 | * receive timestamp. Values are empirically measured. With |
| 73 | * split sample rate Tx/Rx - 4/1 sps we need to need to |
| 74 | * compensate for advance rather than delay. |
| 75 | */ |
| 76 | if (sps == 1) |
| 77 | pingOffset = 272; |
| 78 | else if (sps == 4) |
| 79 | pingOffset = 269 - 7500; |
| 80 | else |
| 81 | pingOffset = 0; |
| 82 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 83 | #ifdef SWLOOPBACK |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 84 | samplePeriod = 1.0e6/actualSampleRate; |
| 85 | loopbackBufferSize = 0; |
| 86 | gettimeofday(&lastReadTime,NULL); |
| 87 | firstRead = false; |
| 88 | #endif |
| 89 | } |
| 90 | |
Tom Tsou | 2f3e60b | 2016-07-17 19:29:08 -0700 | [diff] [blame] | 91 | int USRPDevice::open(const std::string &, int, bool) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 92 | { |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 93 | writeLock.unlock(); |
| 94 | |
kurtis.heimerl | 965e757 | 2011-11-26 03:16:54 +0000 | [diff] [blame] | 95 | LOG(INFO) << "opening USRP device.."; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 96 | #ifndef SWLOOPBACK |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 97 | string rbf = "std_inband.rbf"; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 98 | //string rbf = "inband_1rxhb_1tx.rbf"; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 99 | m_uRx.reset(); |
| 100 | if (!skipRx) { |
| 101 | try { |
Thomas Tsou | c1f7c42 | 2013-10-11 13:49:55 -0400 | [diff] [blame] | 102 | m_uRx = usrp_standard_rx_sptr(usrp_standard_rx::make( |
| 103 | 0, decimRate * sps, 1, -1, |
| 104 | usrp_standard_rx::FPGA_MODE_NORMAL, |
| 105 | 1024, 16 * 8, rbf)); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 106 | m_uRx->set_fpga_master_clock_freq(masterClockRate); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 107 | } |
Thomas Tsou | c064124 | 2013-10-11 14:55:31 -0400 | [diff] [blame] | 108 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 109 | catch(...) { |
| 110 | LOG(ALERT) << "make failed on Rx"; |
| 111 | m_uRx.reset(); |
Thomas Tsou | cb69f08 | 2013-04-08 14:18:26 -0400 | [diff] [blame] | 112 | return -1; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | if (m_uRx->fpga_master_clock_freq() != masterClockRate) |
| 116 | { |
| 117 | LOG(ALERT) << "WRONG FPGA clock freq = " << m_uRx->fpga_master_clock_freq() |
| 118 | << ", desired clock freq = " << masterClockRate; |
| 119 | m_uRx.reset(); |
Thomas Tsou | cb69f08 | 2013-04-08 14:18:26 -0400 | [diff] [blame] | 120 | return -1; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 121 | } |
| 122 | } |
| 123 | |
| 124 | try { |
Thomas Tsou | c1f7c42 | 2013-10-11 13:49:55 -0400 | [diff] [blame] | 125 | m_uTx = usrp_standard_tx_sptr(usrp_standard_tx::make( |
| 126 | 0, decimRate * 2, 1, -1, |
| 127 | 1024, 16 * 8, rbf)); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 128 | m_uTx->set_fpga_master_clock_freq(masterClockRate); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 129 | } |
Thomas Tsou | c064124 | 2013-10-11 14:55:31 -0400 | [diff] [blame] | 130 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 131 | catch(...) { |
| 132 | LOG(ALERT) << "make failed on Tx"; |
| 133 | m_uTx.reset(); |
Thomas Tsou | cb69f08 | 2013-04-08 14:18:26 -0400 | [diff] [blame] | 134 | return -1; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | if (m_uTx->fpga_master_clock_freq() != masterClockRate) |
| 138 | { |
| 139 | LOG(ALERT) << "WRONG FPGA clock freq = " << m_uTx->fpga_master_clock_freq() |
| 140 | << ", desired clock freq = " << masterClockRate; |
| 141 | m_uTx.reset(); |
Thomas Tsou | cb69f08 | 2013-04-08 14:18:26 -0400 | [diff] [blame] | 142 | return -1; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | if (!skipRx) m_uRx->stop(); |
| 146 | m_uTx->stop(); |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 147 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 148 | #endif |
| 149 | |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 150 | switch (dboardConfig) { |
| 151 | case TXA_RXB: |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 152 | txSubdevSpec = usrp_subdev_spec(0,0); |
| 153 | rxSubdevSpec = usrp_subdev_spec(1,0); |
| 154 | break; |
| 155 | case TXB_RXA: |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 156 | txSubdevSpec = usrp_subdev_spec(1,0); |
| 157 | rxSubdevSpec = usrp_subdev_spec(0,0); |
| 158 | break; |
| 159 | case TXA_RXA: |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 160 | txSubdevSpec = usrp_subdev_spec(0,0); |
| 161 | rxSubdevSpec = usrp_subdev_spec(0,0); |
| 162 | break; |
| 163 | case TXB_RXB: |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 164 | txSubdevSpec = usrp_subdev_spec(1,0); |
| 165 | rxSubdevSpec = usrp_subdev_spec(1,0); |
| 166 | break; |
| 167 | default: |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 168 | txSubdevSpec = usrp_subdev_spec(0,0); |
| 169 | rxSubdevSpec = usrp_subdev_spec(1,0); |
| 170 | } |
| 171 | |
kurtis.heimerl | b9e237e | 2011-11-26 03:17:59 +0000 | [diff] [blame] | 172 | m_dbTx = m_uTx->selected_subdev(txSubdevSpec); |
| 173 | m_dbRx = m_uRx->selected_subdev(rxSubdevSpec); |
| 174 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 175 | samplesRead = 0; |
| 176 | samplesWritten = 0; |
| 177 | started = false; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 178 | |
Thomas Tsou | cb69f08 | 2013-04-08 14:18:26 -0400 | [diff] [blame] | 179 | return NORMAL; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | |
| 183 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 184 | bool USRPDevice::start() |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 185 | { |
| 186 | LOG(INFO) << "starting USRP..."; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 187 | #ifndef SWLOOPBACK |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 188 | if (!m_uRx && !skipRx) return false; |
| 189 | if (!m_uTx) return false; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 190 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 191 | if (!skipRx) m_uRx->stop(); |
| 192 | m_uTx->stop(); |
| 193 | |
| 194 | writeLock.lock(); |
| 195 | // power up and configure daughterboards |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 196 | m_dbTx->set_enable(true); |
| 197 | m_uTx->set_mux(m_uTx->determine_tx_mux_value(txSubdevSpec)); |
| 198 | m_uRx->set_mux(m_uRx->determine_rx_mux_value(rxSubdevSpec)); |
| 199 | |
| 200 | if (!m_dbRx->select_rx_antenna(1)) |
| 201 | m_dbRx->select_rx_antenna(0); |
| 202 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 203 | writeLock.unlock(); |
| 204 | |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 205 | // Set gains to midpoint |
| 206 | setTxGain((minTxGain() + maxTxGain()) / 2); |
| 207 | setRxGain((minRxGain() + maxRxGain()) / 2); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 208 | |
| 209 | data = new short[currDataSize]; |
| 210 | dataStart = 0; |
| 211 | dataEnd = 0; |
| 212 | timeStart = 0; |
| 213 | timeEnd = 0; |
| 214 | timestampOffset = 0; |
| 215 | latestWriteTimestamp = 0; |
| 216 | lastPktTimestamp = 0; |
| 217 | hi32Timestamp = 0; |
| 218 | isAligned = false; |
| 219 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 220 | |
| 221 | if (!skipRx) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 222 | started = (m_uRx->start() && m_uTx->start()); |
| 223 | else |
| 224 | started = m_uTx->start(); |
| 225 | return started; |
| 226 | #else |
| 227 | gettimeofday(&lastReadTime,NULL); |
| 228 | return true; |
| 229 | #endif |
| 230 | } |
| 231 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 232 | bool USRPDevice::stop() |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 233 | { |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 234 | #ifndef SWLOOPBACK |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 235 | if (!m_uRx) return false; |
| 236 | if (!m_uTx) return false; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 237 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 238 | delete[] currData; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 239 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 240 | started = !(m_uRx->stop() && m_uTx->stop()); |
| 241 | return !started; |
| 242 | #else |
| 243 | return true; |
| 244 | #endif |
| 245 | } |
| 246 | |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 247 | double USRPDevice::maxTxGain() |
| 248 | { |
| 249 | return m_dbTx->gain_max(); |
| 250 | } |
| 251 | |
| 252 | double USRPDevice::minTxGain() |
| 253 | { |
| 254 | return m_dbTx->gain_min(); |
| 255 | } |
| 256 | |
| 257 | double USRPDevice::maxRxGain() |
| 258 | { |
| 259 | return m_dbRx->gain_max(); |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 260 | } |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 261 | |
| 262 | double USRPDevice::minRxGain() |
| 263 | { |
| 264 | return m_dbRx->gain_min(); |
| 265 | } |
| 266 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 267 | double USRPDevice::setTxGain(double dB, size_t chan) |
| 268 | { |
| 269 | if (chan) { |
| 270 | LOG(ALERT) << "Invalid channel " << chan; |
| 271 | return 0.0; |
| 272 | } |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 273 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 274 | writeLock.lock(); |
| 275 | if (dB > maxTxGain()) |
| 276 | dB = maxTxGain(); |
| 277 | if (dB < minTxGain()) |
| 278 | dB = minTxGain(); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 279 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 280 | LOG(NOTICE) << "Setting TX gain to " << dB << " dB."; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 281 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 282 | if (!m_dbTx->set_gain(dB)) |
| 283 | LOG(ERR) << "Error setting TX gain"; |
| 284 | |
| 285 | writeLock.unlock(); |
| 286 | |
| 287 | return dB; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 291 | double USRPDevice::setRxGain(double dB, size_t chan) |
| 292 | { |
| 293 | if (chan) { |
| 294 | LOG(ALERT) << "Invalid channel " << chan; |
| 295 | return 0.0; |
| 296 | } |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 297 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 298 | dB = 47.0; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 299 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 300 | writeLock.lock(); |
| 301 | if (dB > maxRxGain()) |
| 302 | dB = maxRxGain(); |
| 303 | if (dB < minRxGain()) |
| 304 | dB = minRxGain(); |
| 305 | |
| 306 | LOG(NOTICE) << "Setting RX gain to " << dB << " dB."; |
| 307 | |
| 308 | if (!m_dbRx->set_gain(dB)) |
| 309 | LOG(ERR) << "Error setting RX gain"; |
| 310 | |
| 311 | writeLock.unlock(); |
| 312 | |
| 313 | return dB; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 314 | } |
| 315 | |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 316 | bool USRPDevice::setRxAntenna(const std::string &ant, size_t chan) |
| 317 | { |
| 318 | if (chan >= rx_paths.size()) { |
| 319 | LOG(ALERT) << "Requested non-existent channel " << chan; |
| 320 | return false; |
| 321 | } |
| 322 | LOG(ALERT) << "Not implemented"; |
| 323 | return true; |
| 324 | } |
| 325 | |
| 326 | std::string USRPDevice::getRxAntenna(size_t chan) |
| 327 | { |
| 328 | if (chan >= rx_paths.size()) { |
| 329 | LOG(ALERT) << "Requested non-existent channel " << chan; |
| 330 | return ""; |
| 331 | } |
| 332 | LOG(ALERT) << "Not implemented"; |
| 333 | return ""; |
| 334 | } |
| 335 | |
| 336 | bool USRPDevice::setTxAntenna(const std::string &ant, size_t chan) |
| 337 | { |
| 338 | if (chan >= tx_paths.size()) { |
| 339 | LOG(ALERT) << "Requested non-existent channel " << chan; |
| 340 | return false; |
| 341 | } |
| 342 | LOG(ALERT) << "Not implemented"; |
| 343 | return true; |
| 344 | } |
| 345 | |
| 346 | std::string USRPDevice::getTxAntenna(size_t chan) |
| 347 | { |
| 348 | if (chan >= tx_paths.size()) { |
| 349 | LOG(ALERT) << "Requested non-existent channel " << chan; |
| 350 | return ""; |
| 351 | } |
| 352 | LOG(ALERT) << "Not implemented"; |
| 353 | return ""; |
| 354 | } |
| 355 | |
Pau Espin Pedrol | 0fc20d1 | 2018-04-24 17:48:52 +0200 | [diff] [blame] | 356 | bool USRPDevice::requiresRadioAlign() |
| 357 | { |
| 358 | return true; |
| 359 | } |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 360 | |
Pau Espin Pedrol | e564f0f | 2018-04-24 18:43:51 +0200 | [diff] [blame] | 361 | GSM::Time USRPDevice::minLatency() { |
| 362 | return GSM::Time(1,1); |
| 363 | } |
| 364 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 365 | // NOTE: Assumes sequential reads |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 366 | int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun, |
| 367 | TIMESTAMP timestamp, bool *underrun, unsigned *RSSI) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 368 | { |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 369 | #ifndef SWLOOPBACK |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 370 | if (!m_uRx) |
| 371 | return 0; |
| 372 | |
| 373 | short *buf = bufs[0]; |
| 374 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 375 | timestamp += timestampOffset; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 376 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 377 | if (timestamp + len < timeStart) { |
| 378 | memset(buf,0,len*2*sizeof(short)); |
| 379 | return len; |
| 380 | } |
| 381 | |
| 382 | if (underrun) *underrun = false; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 383 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 384 | uint32_t readBuf[2000]; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 385 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 386 | while (1) { |
| 387 | //guestimate USB read size |
| 388 | int readLen=0; |
| 389 | { |
| 390 | int numSamplesNeeded = timestamp + len - timeEnd; |
| 391 | if (numSamplesNeeded <=0) break; |
| 392 | readLen = 512 * ((int) ceil((float) numSamplesNeeded/126.0)); |
| 393 | if (readLen > 8000) readLen= (8000/512)*512; |
| 394 | } |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 395 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 396 | // read USRP packets, parse and save A/D data as needed |
| 397 | readLen = m_uRx->read((void *)readBuf,readLen,overrun); |
| 398 | for(int pktNum = 0; pktNum < (readLen/512); pktNum++) { |
| 399 | // tmpBuf points to start of a USB packet |
| 400 | uint32_t* tmpBuf = (uint32_t *) (readBuf+pktNum*512/4); |
| 401 | TIMESTAMP pktTimestamp = usrp_to_host_u32(tmpBuf[1]); |
| 402 | uint32_t word0 = usrp_to_host_u32(tmpBuf[0]); |
| 403 | uint32_t chan = (word0 >> 16) & 0x1f; |
| 404 | unsigned payloadSz = word0 & 0x1ff; |
| 405 | LOG(DEBUG) << "first two bytes: " << hex << word0 << " " << dec << pktTimestamp; |
| 406 | |
| 407 | bool incrementHi32 = ((lastPktTimestamp & 0x0ffffffffll) > pktTimestamp); |
| 408 | if (incrementHi32 && (timeStart!=0)) { |
| 409 | LOG(DEBUG) << "high 32 increment!!!"; |
| 410 | hi32Timestamp++; |
| 411 | } |
| 412 | pktTimestamp = (((TIMESTAMP) hi32Timestamp) << 32) | pktTimestamp; |
| 413 | lastPktTimestamp = pktTimestamp; |
| 414 | |
| 415 | if (chan == 0x01f) { |
| 416 | // control reply, check to see if its ping reply |
| 417 | uint32_t word2 = usrp_to_host_u32(tmpBuf[2]); |
| 418 | if ((word2 >> 16) == ((0x01 << 8) | 0x02)) { |
| 419 | timestamp -= timestampOffset; |
Thomas Tsou | c1f7c42 | 2013-10-11 13:49:55 -0400 | [diff] [blame] | 420 | timestampOffset = pktTimestamp - pingTimestamp + pingOffset; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 421 | LOG(DEBUG) << "updating timestamp offset to: " << timestampOffset; |
| 422 | timestamp += timestampOffset; |
| 423 | isAligned = true; |
| 424 | } |
| 425 | continue; |
| 426 | } |
| 427 | if (chan != 0) { |
| 428 | LOG(DEBUG) << "chan: " << chan << ", timestamp: " << pktTimestamp << ", sz:" << payloadSz; |
| 429 | continue; |
| 430 | } |
| 431 | if ((word0 >> 28) & 0x04) { |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 432 | if (underrun) *underrun = true; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 433 | LOG(DEBUG) << "UNDERRUN in TRX->USRP interface"; |
| 434 | } |
| 435 | if (RSSI) *RSSI = (word0 >> 21) & 0x3f; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 436 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 437 | if (!isAligned) continue; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 438 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 439 | unsigned cursorStart = pktTimestamp - timeStart + dataStart; |
| 440 | while (cursorStart*2 > currDataSize) { |
| 441 | cursorStart -= currDataSize/2; |
| 442 | } |
| 443 | if (cursorStart*2 + payloadSz/2 > currDataSize) { |
| 444 | // need to circle around buffer |
| 445 | memcpy(data+cursorStart*2,tmpBuf+2,(currDataSize-cursorStart*2)*sizeof(short)); |
| 446 | memcpy(data,tmpBuf+2+(currDataSize/2-cursorStart),payloadSz-(currDataSize-cursorStart*2)*sizeof(short)); |
| 447 | } |
| 448 | else { |
| 449 | memcpy(data+cursorStart*2,tmpBuf+2,payloadSz); |
| 450 | } |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 451 | if (pktTimestamp + payloadSz/2/sizeof(short) > timeEnd) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 452 | timeEnd = pktTimestamp+payloadSz/2/sizeof(short); |
| 453 | |
| 454 | LOG(DEBUG) << "timeStart: " << timeStart << ", timeEnd: " << timeEnd << ", pktTimestamp: " << pktTimestamp; |
| 455 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 456 | } |
| 457 | } |
| 458 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 459 | // copy desired data to buf |
| 460 | unsigned bufStart = dataStart+(timestamp-timeStart); |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 461 | if (bufStart + len < currDataSize/2) { |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 462 | LOG(DEBUG) << "bufStart: " << bufStart; |
| 463 | memcpy(buf,data+bufStart*2,len*2*sizeof(short)); |
| 464 | memset(data+bufStart*2,0,len*2*sizeof(short)); |
| 465 | } |
| 466 | else { |
| 467 | LOG(DEBUG) << "len: " << len << ", currDataSize/2: " << currDataSize/2 << ", bufStart: " << bufStart; |
| 468 | unsigned firstLength = (currDataSize/2-bufStart); |
| 469 | LOG(DEBUG) << "firstLength: " << firstLength; |
| 470 | memcpy(buf,data+bufStart*2,firstLength*2*sizeof(short)); |
| 471 | memset(data+bufStart*2,0,firstLength*2*sizeof(short)); |
| 472 | memcpy(buf+firstLength*2,data,(len-firstLength)*2*sizeof(short)); |
| 473 | memset(data,0,(len-firstLength)*2*sizeof(short)); |
| 474 | } |
| 475 | dataStart = (bufStart + len) % (currDataSize/2); |
| 476 | timeStart = timestamp + len; |
| 477 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 478 | return len; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 479 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 480 | #else |
| 481 | if (loopbackBufferSize < 2) return 0; |
| 482 | int numSamples = 0; |
| 483 | struct timeval currTime; |
| 484 | gettimeofday(&currTime,NULL); |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 485 | double timeElapsed = (currTime.tv_sec - lastReadTime.tv_sec)*1.0e6 + |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 486 | (currTime.tv_usec - lastReadTime.tv_usec); |
| 487 | if (timeElapsed < samplePeriod) {return 0;} |
| 488 | int numSamplesToRead = (int) floor(timeElapsed/samplePeriod); |
| 489 | if (numSamplesToRead < len) return 0; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 490 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 491 | if (numSamplesToRead > len) numSamplesToRead = len; |
| 492 | if (numSamplesToRead > loopbackBufferSize/2) { |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 493 | firstRead =false; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 494 | numSamplesToRead = loopbackBufferSize/2; |
| 495 | } |
| 496 | memcpy(buf,loopbackBuffer,sizeof(short)*2*numSamplesToRead); |
| 497 | loopbackBufferSize -= 2*numSamplesToRead; |
| 498 | memcpy(loopbackBuffer,loopbackBuffer+2*numSamplesToRead, |
| 499 | sizeof(short)*loopbackBufferSize); |
| 500 | numSamples = numSamplesToRead; |
| 501 | if (firstRead) { |
| 502 | int new_usec = lastReadTime.tv_usec + (int) round((double) numSamplesToRead * samplePeriod); |
| 503 | lastReadTime.tv_sec = lastReadTime.tv_sec + new_usec/1000000; |
| 504 | lastReadTime.tv_usec = new_usec % 1000000; |
| 505 | } |
| 506 | else { |
| 507 | gettimeofday(&lastReadTime,NULL); |
| 508 | firstRead = true; |
| 509 | } |
| 510 | samplesRead += numSamples; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 511 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 512 | return numSamples; |
| 513 | #endif |
| 514 | } |
| 515 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 516 | int USRPDevice::writeSamples(std::vector<short *> &bufs, int len, |
| 517 | bool *underrun, unsigned long long timestamp, |
| 518 | bool isControl) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 519 | { |
| 520 | writeLock.lock(); |
| 521 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 522 | #ifndef SWLOOPBACK |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 523 | if (!m_uTx) |
| 524 | return 0; |
| 525 | |
| 526 | short *buf = bufs[0]; |
| 527 | |
kurtis.heimerl | c8739b8 | 2011-11-02 00:06:34 +0000 | [diff] [blame] | 528 | static uint32_t outData[128*20]; |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 529 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 530 | for (int i = 0; i < len*2; i++) { |
| 531 | buf[i] = host_to_usrp_short(buf[i]); |
| 532 | } |
| 533 | |
| 534 | int numWritten = 0; |
| 535 | unsigned isStart = 1; |
| 536 | unsigned RSSI = 0; |
| 537 | unsigned CHAN = (isControl) ? 0x01f : 0x00; |
| 538 | len = len*2*sizeof(short); |
| 539 | int numPkts = (int) ceil((float)len/(float)504); |
| 540 | unsigned isEnd = (numPkts < 2); |
| 541 | uint32_t *outPkt = outData; |
| 542 | int pktNum = 0; |
| 543 | while (numWritten < len) { |
| 544 | // pkt is pointer to start of a USB packet |
| 545 | uint32_t *pkt = outPkt + pktNum*128; |
| 546 | isEnd = (len - numWritten <= 504); |
| 547 | unsigned payloadLen = ((len - numWritten) < 504) ? (len-numWritten) : 504; |
| 548 | pkt[0] = (isStart << 12 | isEnd << 11 | (RSSI & 0x3f) << 5 | CHAN) << 16 | payloadLen; |
| 549 | pkt[1] = timestamp & 0x0ffffffffll; |
| 550 | memcpy(pkt+2,buf+(numWritten/sizeof(short)),payloadLen); |
| 551 | numWritten += payloadLen; |
| 552 | timestamp += payloadLen/2/sizeof(short); |
| 553 | isStart = 0; |
| 554 | pkt[0] = host_to_usrp_u32(pkt[0]); |
| 555 | pkt[1] = host_to_usrp_u32(pkt[1]); |
| 556 | pktNum++; |
| 557 | } |
| 558 | m_uTx->write((const void*) outPkt,sizeof(uint32_t)*128*numPkts,NULL); |
| 559 | |
| 560 | samplesWritten += len/2/sizeof(short); |
| 561 | writeLock.unlock(); |
| 562 | |
| 563 | return len/2/sizeof(short); |
| 564 | #else |
| 565 | int retVal = len; |
| 566 | memcpy(loopbackBuffer+loopbackBufferSize,buf,sizeof(short)*2*len); |
| 567 | samplesWritten += retVal; |
| 568 | loopbackBufferSize += retVal*2; |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 569 | |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 570 | return retVal; |
| 571 | #endif |
| 572 | } |
| 573 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 574 | bool USRPDevice::updateAlignment(TIMESTAMP timestamp) |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 575 | { |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 576 | #ifndef SWLOOPBACK |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 577 | short data[] = {0x00,0x02,0x00,0x00}; |
| 578 | uint32_t *wordPtr = (uint32_t *) data; |
kurtis.heimerl | c8739b8 | 2011-11-02 00:06:34 +0000 | [diff] [blame] | 579 | *wordPtr = host_to_usrp_u32(*wordPtr); |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 580 | bool tmpUnderrun; |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 581 | |
| 582 | std::vector<short *> buf(1, data); |
| 583 | if (writeSamples(buf, 1, &tmpUnderrun, timestamp & 0x0ffffffffll, true)) { |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 584 | pingTimestamp = timestamp; |
| 585 | return true; |
| 586 | } |
| 587 | return false; |
| 588 | #else |
| 589 | return true; |
| 590 | #endif |
| 591 | } |
| 592 | |
Pau Espin Pedrol | f58cd8a | 2018-02-05 13:04:41 +0100 | [diff] [blame] | 593 | #ifndef SWLOOPBACK |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 594 | bool USRPDevice::setTxFreq(double wFreq, size_t chan) |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 595 | { |
| 596 | usrp_tune_result result; |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 597 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 598 | if (chan) { |
| 599 | LOG(ALERT) << "Invalid channel " << chan; |
| 600 | return false; |
| 601 | } |
| 602 | |
kurtis.heimerl | b9e237e | 2011-11-26 03:17:59 +0000 | [diff] [blame] | 603 | if (m_uTx->tune(txSubdevSpec.side, m_dbTx, wFreq, &result)) { |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 604 | LOG(INFO) << "set TX: " << wFreq << std::endl |
| 605 | << " baseband freq: " << result.baseband_freq << std::endl |
| 606 | << " DDC freq: " << result.dxc_freq << std::endl |
| 607 | << " residual freq: " << result.residual_freq; |
| 608 | return true; |
| 609 | } |
| 610 | else { |
kurtis.heimerl | e332032 | 2011-11-28 06:26:08 +0000 | [diff] [blame] | 611 | LOG(ALERT) << "set TX: " << wFreq << "failed" << std::endl |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 612 | << " baseband freq: " << result.baseband_freq << std::endl |
| 613 | << " DDC freq: " << result.dxc_freq << std::endl |
| 614 | << " residual freq: " << result.residual_freq; |
| 615 | return false; |
| 616 | } |
| 617 | } |
| 618 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 619 | bool USRPDevice::setRxFreq(double wFreq, size_t chan) |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 620 | { |
| 621 | usrp_tune_result result; |
| 622 | |
Thomas Tsou | 204a9f1 | 2013-10-29 18:34:16 -0400 | [diff] [blame] | 623 | if (chan) { |
| 624 | LOG(ALERT) << "Invalid channel " << chan; |
| 625 | return false; |
| 626 | } |
| 627 | |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 628 | if (m_uRx->tune(0, m_dbRx, wFreq, &result)) { |
| 629 | LOG(INFO) << "set RX: " << wFreq << std::endl |
| 630 | << " baseband freq: " << result.baseband_freq << std::endl |
| 631 | << " DDC freq: " << result.dxc_freq << std::endl |
| 632 | << " residual freq: " << result.residual_freq; |
| 633 | return true; |
| 634 | } |
| 635 | else { |
kurtis.heimerl | e332032 | 2011-11-28 06:26:08 +0000 | [diff] [blame] | 636 | LOG(ALERT) << "set RX: " << wFreq << "failed" << std::endl |
kurtis.heimerl | 79e71c9 | 2011-11-26 03:16:48 +0000 | [diff] [blame] | 637 | << " baseband freq: " << result.baseband_freq << std::endl |
| 638 | << " DDC freq: " << result.dxc_freq << std::endl |
| 639 | << " residual freq: " << result.residual_freq; |
| 640 | return false; |
| 641 | } |
| 642 | |
| 643 | } |
dburgess | b3a0ca4 | 2011-10-12 07:44:40 +0000 | [diff] [blame] | 644 | |
| 645 | #else |
| 646 | bool USRPDevice::setTxFreq(double wFreq) { return true;}; |
| 647 | bool USRPDevice::setRxFreq(double wFreq) { return true;}; |
| 648 | #endif |
kurtis.heimerl | 965e757 | 2011-11-26 03:16:54 +0000 | [diff] [blame] | 649 | |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 650 | RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps, |
Pau Espin Pedrol | 77ce99a | 2018-02-05 13:05:06 +0100 | [diff] [blame] | 651 | InterfaceType iface, size_t chans, double offset, |
| 652 | const std::vector<std::string>& tx_paths, |
| 653 | const std::vector<std::string>& rx_paths) |
kurtis.heimerl | 965e757 | 2011-11-26 03:16:54 +0000 | [diff] [blame] | 654 | { |
Tom Tsou | 5cd70dc | 2016-03-06 01:28:40 -0800 | [diff] [blame] | 655 | return new USRPDevice(tx_sps); |
kurtis.heimerl | 965e757 | 2011-11-26 03:16:54 +0000 | [diff] [blame] | 656 | } |