Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018 sysmocom - s.f.m.c. GmbH |
| 3 | * |
Pau Espin Pedrol | 21d03d3 | 2019-07-22 12:05:52 +0200 | [diff] [blame] | 4 | * SPDX-License-Identifier: AGPL-3.0+ |
| 5 | * |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 6 | This program is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU Affero General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU Affero General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Affero General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #include <stdint.h> |
| 21 | #include <string.h> |
| 22 | #include <stdlib.h> |
| 23 | #include "Logger.h" |
| 24 | #include "Threads.h" |
| 25 | #include "LMSDevice.h" |
Oliver Smith | 871713b | 2018-12-10 17:10:36 +0100 | [diff] [blame] | 26 | #include "Utils.h" |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 27 | |
| 28 | #include <lime/LimeSuite.h> |
| 29 | |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 30 | extern "C" { |
| 31 | #include "osmo_signal.h" |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 32 | #include <osmocom/core/utils.h> |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 33 | } |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 34 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 35 | #ifdef HAVE_CONFIG_H |
| 36 | #include "config.h" |
| 37 | #endif |
| 38 | |
| 39 | using namespace std; |
| 40 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 41 | #define MAX_ANTENNA_LIST_SIZE 10 |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 42 | #define GSM_CARRIER_BW 270000.0 /* 270kHz */ |
| 43 | #define LMS_MIN_BW_SUPPORTED 2.5e6 /* 2.5mHz, minimum supported by LMS */ |
| 44 | #define LMS_CALIBRATE_BW_HZ OSMO_MAX(GSM_CARRIER_BW, LMS_MIN_BW_SUPPORTED) |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 45 | #define SAMPLE_BUF_SZ (1 << 20) /* Size of Rx timestamp based Ring buffer, in bytes */ |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 46 | |
Pau Espin Pedrol | b0e5426 | 2020-01-13 16:00:04 +0100 | [diff] [blame] | 47 | LMSDevice::LMSDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset, |
Harald Welte | 105a61e | 2018-06-13 21:55:09 +0200 | [diff] [blame] | 48 | const std::vector<std::string>& tx_paths, |
| 49 | const std::vector<std::string>& rx_paths): |
Pau Espin Pedrol | b0e5426 | 2020-01-13 16:00:04 +0100 | [diff] [blame] | 50 | RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths), |
Pau Espin Pedrol | bf58370 | 2020-01-07 16:10:34 +0100 | [diff] [blame] | 51 | m_lms_dev(NULL), started(false) |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 52 | { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 53 | LOGC(DDEV, INFO) << "creating LMS device..."; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 54 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 55 | m_lms_stream_rx.resize(chans); |
| 56 | m_lms_stream_tx.resize(chans); |
Pau Espin Pedrol | 705a348 | 2019-09-13 16:51:48 +0200 | [diff] [blame] | 57 | rx_gains.resize(chans); |
| 58 | tx_gains.resize(chans); |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 59 | |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 60 | rx_buffers.resize(chans); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 61 | } |
| 62 | |
Pau Espin Pedrol | 5cea18e | 2018-12-03 18:17:18 +0100 | [diff] [blame] | 63 | LMSDevice::~LMSDevice() |
| 64 | { |
Joachim Steiger | 2d130fb | 2019-04-16 16:22:23 +0200 | [diff] [blame] | 65 | unsigned int i; |
Pau Espin Pedrol | 5cea18e | 2018-12-03 18:17:18 +0100 | [diff] [blame] | 66 | LOGC(DDEV, INFO) << "Closing LMS device"; |
| 67 | if (m_lms_dev) { |
Joachim Steiger | 2d130fb | 2019-04-16 16:22:23 +0200 | [diff] [blame] | 68 | /* disable all channels */ |
| 69 | for (i=0; i<chans; i++) { |
| 70 | LMS_EnableChannel(m_lms_dev, LMS_CH_RX, i, false); |
| 71 | LMS_EnableChannel(m_lms_dev, LMS_CH_TX, i, false); |
| 72 | } |
Pau Espin Pedrol | 5cea18e | 2018-12-03 18:17:18 +0100 | [diff] [blame] | 73 | LMS_Close(m_lms_dev); |
| 74 | m_lms_dev = NULL; |
| 75 | } |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 76 | |
| 77 | for (size_t i = 0; i < rx_buffers.size(); i++) |
| 78 | delete rx_buffers[i]; |
Pau Espin Pedrol | 5cea18e | 2018-12-03 18:17:18 +0100 | [diff] [blame] | 79 | } |
| 80 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 81 | static void lms_log_callback(int lvl, const char *msg) |
| 82 | { |
| 83 | /* map lime specific log levels */ |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 84 | static const int lvl_map[5] = { |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 85 | [0] = LOGL_FATAL, |
Pau Espin Pedrol | 32b3c2e | 2018-11-23 14:39:06 +0100 | [diff] [blame] | 86 | [LMS_LOG_ERROR] = LOGL_ERROR, |
| 87 | [LMS_LOG_WARNING] = LOGL_NOTICE, |
| 88 | [LMS_LOG_INFO] = LOGL_INFO, |
| 89 | [LMS_LOG_DEBUG] = LOGL_DEBUG, |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 90 | }; |
| 91 | /* protect against future higher log level values (lower importance) */ |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 92 | if ((unsigned int) lvl >= ARRAY_SIZE(lvl_map)) |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 93 | lvl = ARRAY_SIZE(lvl_map)-1; |
| 94 | |
Pau Espin Pedrol | aebbfe0 | 2020-01-02 16:39:11 +0100 | [diff] [blame] | 95 | LOGLV(DDEVDRV, lvl_map[lvl]) << msg; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 96 | } |
| 97 | |
Pau Espin Pedrol | 6493dc8 | 2018-05-29 19:00:30 +0200 | [diff] [blame] | 98 | static void print_range(const char* name, lms_range_t *range) |
| 99 | { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 100 | LOGC(DDEV, INFO) << name << ": Min=" << range->min << " Max=" << range->max |
Pau Espin Pedrol | 6493dc8 | 2018-05-29 19:00:30 +0200 | [diff] [blame] | 101 | << " Step=" << range->step; |
| 102 | } |
| 103 | |
Oliver Smith | 871713b | 2018-12-10 17:10:36 +0100 | [diff] [blame] | 104 | /*! Find the device string that matches all filters from \a args. |
| 105 | * \param[in] info_list device addresses found by LMS_GetDeviceList() |
| 106 | * \param[in] count length of info_list |
| 107 | * \param[in] args dev-args value from osmo-trx.cfg, containing comma separated key=value pairs |
| 108 | * \return index of first matching device or -1 (no match) */ |
| 109 | int info_list_find(lms_info_str_t* info_list, unsigned int count, const std::string &args) |
| 110 | { |
| 111 | unsigned int i, j; |
| 112 | vector<string> filters; |
| 113 | |
| 114 | filters = comma_delimited_to_vector(args.c_str()); |
| 115 | |
| 116 | /* iterate over device addresses */ |
| 117 | for (i=0; i < count; i++) { |
| 118 | /* check if all filters match */ |
| 119 | bool match = true; |
| 120 | for (j=0; j < filters.size(); j++) { |
| 121 | if (!strstr(info_list[i], filters[j].c_str())) { |
| 122 | match = false; |
| 123 | break; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | if (match) |
| 128 | return i; |
| 129 | } |
| 130 | return -1; |
| 131 | } |
| 132 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 133 | int LMSDevice::open(const std::string &args, int ref, bool swap_channels) |
| 134 | { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 135 | lms_info_str_t* info_list; |
Joachim Steiger | 2875290 | 2019-04-16 17:10:13 +0200 | [diff] [blame] | 136 | const lms_dev_info_t* device_info; |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 137 | lms_range_t range_sr; |
| 138 | float_type sr_host, sr_rf; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 139 | unsigned int i, n; |
Oliver Smith | 871713b | 2018-12-10 17:10:36 +0100 | [diff] [blame] | 140 | int rc, dev_id; |
Pau Espin Pedrol | 223a15c | 2020-01-13 17:53:44 +0100 | [diff] [blame] | 141 | int sample_rate; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 142 | |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 143 | LOGC(DDEV, INFO) << "Opening LMS device.."; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 144 | |
| 145 | LMS_RegisterLogHandler(&lms_log_callback); |
| 146 | |
Harald Welte | 62b7900 | 2018-06-13 23:32:42 +0200 | [diff] [blame] | 147 | if ((n = LMS_GetDeviceList(NULL)) < 0) |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 148 | LOGC(DDEV, ERROR) << "LMS_GetDeviceList(NULL) failed"; |
| 149 | LOGC(DDEV, INFO) << "Devices found: " << n; |
Harald Welte | 62b7900 | 2018-06-13 23:32:42 +0200 | [diff] [blame] | 150 | if (n < 1) |
| 151 | return -1; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 152 | |
Harald Welte | 62b7900 | 2018-06-13 23:32:42 +0200 | [diff] [blame] | 153 | info_list = new lms_info_str_t[n]; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 154 | |
Harald Welte | 62b7900 | 2018-06-13 23:32:42 +0200 | [diff] [blame] | 155 | if (LMS_GetDeviceList(info_list) < 0) |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 156 | LOGC(DDEV, ERROR) << "LMS_GetDeviceList(info_list) failed"; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 157 | |
Harald Welte | 62b7900 | 2018-06-13 23:32:42 +0200 | [diff] [blame] | 158 | for (i = 0; i < n; i++) |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 159 | LOGC(DDEV, INFO) << "Device [" << i << "]: " << info_list[i]; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 160 | |
Oliver Smith | 871713b | 2018-12-10 17:10:36 +0100 | [diff] [blame] | 161 | dev_id = info_list_find(info_list, n, args); |
| 162 | if (dev_id == -1) { |
| 163 | LOGC(DDEV, ERROR) << "No LMS device found with address '" << args << "'"; |
| 164 | delete[] info_list; |
| 165 | return -1; |
| 166 | } |
| 167 | |
| 168 | LOGC(DDEV, INFO) << "Using device[" << dev_id << "]"; |
| 169 | rc = LMS_Open(&m_lms_dev, info_list[dev_id], NULL); |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 170 | if (rc != 0) { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 171 | LOGC(DDEV, ERROR) << "LMS_GetDeviceList() failed)"; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 172 | delete [] info_list; |
| 173 | return -1; |
| 174 | } |
| 175 | |
| 176 | delete [] info_list; |
| 177 | |
Joachim Steiger | 2875290 | 2019-04-16 17:10:13 +0200 | [diff] [blame] | 178 | device_info = LMS_GetDeviceInfo(m_lms_dev); |
| 179 | |
| 180 | if ((ref != REF_EXTERNAL) && (ref != REF_INTERNAL)){ |
| 181 | LOGC(DDEV, ERROR) << "Invalid reference type"; |
| 182 | goto out_close; |
| 183 | } |
| 184 | |
| 185 | /* if reference clock is external setup must happen _before_ calling LMS_Init */ |
| 186 | /* FIXME make external reference frequency configurable */ |
| 187 | if (ref == REF_EXTERNAL) { |
| 188 | LOGC(DDEV, INFO) << "Setting External clock reference to 10MHz"; |
| 189 | /* Assume an external 10 MHz reference clock */ |
| 190 | if (LMS_SetClockFreq(m_lms_dev, LMS_CLOCK_EXTREF, 10000000.0) < 0) |
| 191 | goto out_close; |
| 192 | } |
| 193 | |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 194 | LOGC(DDEV, INFO) << "Init LMS device"; |
Harald Welte | 9cb4f27 | 2018-04-28 21:38:58 +0200 | [diff] [blame] | 195 | if (LMS_Init(m_lms_dev) != 0) { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 196 | LOGC(DDEV, ERROR) << "LMS_Init() failed"; |
Pau Espin Pedrol | ed361f9 | 2018-12-04 12:42:30 +0100 | [diff] [blame] | 197 | goto out_close; |
Harald Welte | 9cb4f27 | 2018-04-28 21:38:58 +0200 | [diff] [blame] | 198 | } |
| 199 | |
Joachim Steiger | 2875290 | 2019-04-16 17:10:13 +0200 | [diff] [blame] | 200 | /* LimeSDR-Mini does not have switches but needs soldering to select external/internal clock */ |
| 201 | /* LimeNET-Micro also does not like selecting internal clock*/ |
| 202 | /* also set device specific maximum tx levels selected by phasenoise measurements*/ |
| 203 | if (strncmp(device_info->deviceName,"LimeSDR-USB",11) == 0){ |
| 204 | /* if reference clock is internal setup must happen _after_ calling LMS_Init */ |
| 205 | /* according to lms using LMS_CLOCK_EXTREF with a frequency <= 0 is the correct way to set clock to internal reference*/ |
| 206 | if (ref == REF_INTERNAL) { |
| 207 | LOGC(DDEV, INFO) << "Setting Internal clock reference"; |
| 208 | if (LMS_SetClockFreq(m_lms_dev, LMS_CLOCK_EXTREF, -1) < 0) |
| 209 | goto out_close; |
| 210 | } |
| 211 | maxTxGainClamp = 73.0; |
| 212 | } else if (strncmp(device_info->deviceName,"LimeSDR-Mini",12) == 0) |
| 213 | maxTxGainClamp = 66.0; |
| 214 | else |
| 215 | maxTxGainClamp = 71.0; /* "LimeNET-Micro", etc FIXME pciE based LMS boards?*/ |
| 216 | |
Joachim Steiger | 2d130fb | 2019-04-16 16:22:23 +0200 | [diff] [blame] | 217 | /* enable all used channels */ |
| 218 | for (i=0; i<chans; i++) { |
| 219 | if (LMS_EnableChannel(m_lms_dev, LMS_CH_RX, i, true) < 0) |
| 220 | goto out_close; |
| 221 | if (LMS_EnableChannel(m_lms_dev, LMS_CH_TX, i, true) < 0) |
| 222 | goto out_close; |
| 223 | } |
| 224 | |
Joachim Steiger | c785fb1 | 2019-04-16 19:04:37 +0200 | [diff] [blame] | 225 | /* set samplerate */ |
Pau Espin Pedrol | 6493dc8 | 2018-05-29 19:00:30 +0200 | [diff] [blame] | 226 | if (LMS_GetSampleRateRange(m_lms_dev, LMS_CH_RX, &range_sr)) |
Harald Welte | a438114 | 2018-04-28 21:41:07 +0200 | [diff] [blame] | 227 | goto out_close; |
Pau Espin Pedrol | 6493dc8 | 2018-05-29 19:00:30 +0200 | [diff] [blame] | 228 | print_range("Sample Rate", &range_sr); |
Harald Welte | a438114 | 2018-04-28 21:41:07 +0200 | [diff] [blame] | 229 | |
Pau Espin Pedrol | 223a15c | 2020-01-13 17:53:44 +0100 | [diff] [blame] | 230 | sample_rate = (iface == MULTI_ARFCN ? MCBTS_SPACING : GSMRATE) * tx_sps; |
| 231 | |
| 232 | LOGC(DDEV, INFO) << "Setting sample rate to " << sample_rate << " " << tx_sps; |
| 233 | if (LMS_SetSampleRate(m_lms_dev, sample_rate, 32) < 0) |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 234 | goto out_close; |
Pau Espin Pedrol | 6493dc8 | 2018-05-29 19:00:30 +0200 | [diff] [blame] | 235 | |
Harald Welte | a438114 | 2018-04-28 21:41:07 +0200 | [diff] [blame] | 236 | if (LMS_GetSampleRate(m_lms_dev, LMS_CH_RX, 0, &sr_host, &sr_rf)) |
| 237 | goto out_close; |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 238 | LOGC(DDEV, INFO) << "Sample Rate: Host=" << sr_host << " RF=" << sr_rf; |
Pau Espin Pedrol | 6493dc8 | 2018-05-29 19:00:30 +0200 | [diff] [blame] | 239 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 240 | /* FIXME: make this device/model dependent, like UHDDevice:dev_param_map! */ |
Pau Espin Pedrol | 223a15c | 2020-01-13 17:53:44 +0100 | [diff] [blame] | 241 | ts_offset = static_cast<TIMESTAMP>(8.9e-5 * sample_rate); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 242 | |
Joachim Steiger | c785fb1 | 2019-04-16 19:04:37 +0200 | [diff] [blame] | 243 | /* configure antennas */ |
Harald Welte | cfb9dac | 2018-06-13 21:56:24 +0200 | [diff] [blame] | 244 | if (!set_antennas()) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 245 | LOGC(DDEV, FATAL) << "LMS antenna setting failed"; |
Joachim Steiger | c785fb1 | 2019-04-16 19:04:37 +0200 | [diff] [blame] | 246 | goto out_close; |
Harald Welte | cfb9dac | 2018-06-13 21:56:24 +0200 | [diff] [blame] | 247 | } |
| 248 | |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 249 | /* Set up per-channel Rx timestamp based Ring buffers */ |
| 250 | for (size_t i = 0; i < rx_buffers.size(); i++) |
| 251 | rx_buffers[i] = new smpl_buf(SAMPLE_BUF_SZ / sizeof(uint32_t)); |
| 252 | |
Pau Espin Pedrol | 223a15c | 2020-01-13 17:53:44 +0100 | [diff] [blame] | 253 | return iface == MULTI_ARFCN ? MULTI_ARFCN : NORMAL; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 254 | |
| 255 | out_close: |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 256 | LOGC(DDEV, FATAL) << "Error in LMS open, closing: " << LMS_GetLastErrorMessage(); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 257 | LMS_Close(m_lms_dev); |
Pau Espin Pedrol | 5cea18e | 2018-12-03 18:17:18 +0100 | [diff] [blame] | 258 | m_lms_dev = NULL; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 259 | return -1; |
| 260 | } |
| 261 | |
| 262 | bool LMSDevice::start() |
| 263 | { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 264 | LOGC(DDEV, INFO) << "starting LMS..."; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 265 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 266 | unsigned int i; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 267 | |
Pau Espin Pedrol | 69869bd | 2018-12-03 11:19:52 +0100 | [diff] [blame] | 268 | if (started) { |
| 269 | LOGC(DDEV, ERR) << "Device already started"; |
| 270 | return false; |
| 271 | } |
| 272 | |
Zydrunas Tamosevicius | 0494d05 | 2018-06-12 00:29:16 +0200 | [diff] [blame] | 273 | /* configure the channels/streams */ |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 274 | for (i=0; i<chans; i++) { |
Joachim Steiger | 2875290 | 2019-04-16 17:10:13 +0200 | [diff] [blame] | 275 | /* Set gains for calibration/filter setup */ |
| 276 | /* TX gain to maximum */ |
| 277 | setTxGain(maxTxGain(), i); |
| 278 | /* RX gain to midpoint */ |
Harald Welte | 55928f2 | 2018-11-26 19:26:52 +0100 | [diff] [blame] | 279 | setRxGain((minRxGain() + maxRxGain()) / 2, i); |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 280 | |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 281 | /* set up Rx and Tx filters */ |
| 282 | if (!do_filters(i)) |
| 283 | return false; |
| 284 | /* Perform Rx and Tx calibration */ |
| 285 | if (!do_calib(i)) |
| 286 | return false; |
| 287 | |
Joachim Steiger | c785fb1 | 2019-04-16 19:04:37 +0200 | [diff] [blame] | 288 | /* configure Streams */ |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 289 | m_lms_stream_rx[i] = {}; |
| 290 | m_lms_stream_rx[i].isTx = false; |
| 291 | m_lms_stream_rx[i].channel = i; |
| 292 | m_lms_stream_rx[i].fifoSize = 1024 * 1024; |
| 293 | m_lms_stream_rx[i].throughputVsLatency = 0.3; |
| 294 | m_lms_stream_rx[i].dataFmt = lms_stream_t::LMS_FMT_I16; |
| 295 | |
| 296 | m_lms_stream_tx[i] = {}; |
| 297 | m_lms_stream_tx[i].isTx = true; |
| 298 | m_lms_stream_tx[i].channel = i; |
| 299 | m_lms_stream_tx[i].fifoSize = 1024 * 1024; |
| 300 | m_lms_stream_tx[i].throughputVsLatency = 0.3; |
| 301 | m_lms_stream_tx[i].dataFmt = lms_stream_t::LMS_FMT_I16; |
| 302 | |
| 303 | if (LMS_SetupStream(m_lms_dev, &m_lms_stream_rx[i]) < 0) |
| 304 | return false; |
| 305 | |
| 306 | if (LMS_SetupStream(m_lms_dev, &m_lms_stream_tx[i]) < 0) |
| 307 | return false; |
Zydrunas Tamosevicius | 0494d05 | 2018-06-12 00:29:16 +0200 | [diff] [blame] | 308 | } |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 309 | |
Zydrunas Tamosevicius | 0494d05 | 2018-06-12 00:29:16 +0200 | [diff] [blame] | 310 | /* now start the streams in a second loop, as we can no longer call |
| 311 | * LMS_SetupStream() after LMS_StartStream() of the first stream */ |
| 312 | for (i = 0; i < chans; i++) { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 313 | if (LMS_StartStream(&m_lms_stream_rx[i]) < 0) |
| 314 | return false; |
| 315 | |
| 316 | if (LMS_StartStream(&m_lms_stream_tx[i]) < 0) |
| 317 | return false; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 318 | } |
| 319 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 320 | flush_recv(10); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 321 | |
| 322 | started = true; |
| 323 | return true; |
| 324 | } |
| 325 | |
| 326 | bool LMSDevice::stop() |
| 327 | { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 328 | unsigned int i; |
| 329 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 330 | if (!started) |
| 331 | return true; |
| 332 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 333 | for (i=0; i<chans; i++) { |
| 334 | LMS_StopStream(&m_lms_stream_tx[i]); |
| 335 | LMS_StopStream(&m_lms_stream_rx[i]); |
Pau Espin Pedrol | b4ea7b5 | 2018-12-03 11:34:23 +0100 | [diff] [blame] | 336 | } |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 337 | |
Pau Espin Pedrol | b4ea7b5 | 2018-12-03 11:34:23 +0100 | [diff] [blame] | 338 | for (i=0; i<chans; i++) { |
| 339 | LMS_DestroyStream(m_lms_dev, &m_lms_stream_tx[i]); |
| 340 | LMS_DestroyStream(m_lms_dev, &m_lms_stream_rx[i]); |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 341 | } |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 342 | |
Pau Espin Pedrol | 69869bd | 2018-12-03 11:19:52 +0100 | [diff] [blame] | 343 | started = false; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 344 | return true; |
| 345 | } |
| 346 | |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 347 | /* do rx/tx calibration - depends on gain, freq and bw */ |
| 348 | bool LMSDevice::do_calib(size_t chan) |
| 349 | { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 350 | LOGCHAN(chan, DDEV, INFO) << "Calibrating"; |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 351 | if (LMS_Calibrate(m_lms_dev, LMS_CH_RX, chan, LMS_CALIBRATE_BW_HZ, 0) < 0) |
| 352 | return false; |
| 353 | if (LMS_Calibrate(m_lms_dev, LMS_CH_TX, chan, LMS_CALIBRATE_BW_HZ, 0) < 0) |
| 354 | return false; |
| 355 | return true; |
| 356 | } |
| 357 | |
| 358 | /* do rx/tx filter config - depends on bw only? */ |
| 359 | bool LMSDevice::do_filters(size_t chan) |
| 360 | { |
| 361 | lms_range_t range_lpfbw_rx, range_lpfbw_tx; |
| 362 | float_type lpfbw_rx, lpfbw_tx; |
| 363 | |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 364 | LOGCHAN(chan, DDEV, INFO) << "Setting filters"; |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 365 | if (LMS_GetLPFBWRange(m_lms_dev, LMS_CH_RX, &range_lpfbw_rx)) |
| 366 | return false; |
| 367 | print_range("LPFBWRange Rx", &range_lpfbw_rx); |
| 368 | if (LMS_GetLPFBWRange(m_lms_dev, LMS_CH_RX, &range_lpfbw_tx)) |
| 369 | return false; |
| 370 | print_range("LPFBWRange Tx", &range_lpfbw_tx); |
| 371 | |
| 372 | lpfbw_rx = OSMO_MIN(OSMO_MAX(1.4001e6, range_lpfbw_rx.min), range_lpfbw_rx.max); |
| 373 | lpfbw_tx = OSMO_MIN(OSMO_MAX(5.2e6, range_lpfbw_tx.min), range_lpfbw_tx.max); |
| 374 | |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 375 | LOGCHAN(chan, DDEV, INFO) << "LPFBW: Rx=" << lpfbw_rx << " Tx=" << lpfbw_tx; |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 376 | |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 377 | LOGCHAN(chan, DDEV, INFO) << "Setting LPFBW"; |
Joachim Steiger | 4ce4555 | 2019-04-16 16:35:53 +0200 | [diff] [blame] | 378 | if (LMS_SetLPFBW(m_lms_dev, LMS_CH_RX, chan, lpfbw_rx) < 0) |
| 379 | return false; |
| 380 | if (LMS_SetLPFBW(m_lms_dev, LMS_CH_TX, chan, lpfbw_tx) < 0) |
| 381 | return false; |
| 382 | return true; |
| 383 | } |
| 384 | |
| 385 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 386 | double LMSDevice::maxTxGain() |
| 387 | { |
Joachim Steiger | 2875290 | 2019-04-16 17:10:13 +0200 | [diff] [blame] | 388 | return maxTxGainClamp; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | double LMSDevice::minTxGain() |
| 392 | { |
| 393 | return 0.0; |
| 394 | } |
| 395 | |
| 396 | double LMSDevice::maxRxGain() |
| 397 | { |
Pau Espin Pedrol | 587916e | 2018-05-08 18:46:28 +0200 | [diff] [blame] | 398 | return 73.0; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | double LMSDevice::minRxGain() |
| 402 | { |
| 403 | return 0.0; |
| 404 | } |
| 405 | |
| 406 | double LMSDevice::setTxGain(double dB, size_t chan) |
| 407 | { |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 408 | if (dB > maxTxGain()) |
| 409 | dB = maxTxGain(); |
| 410 | if (dB < minTxGain()) |
| 411 | dB = minTxGain(); |
| 412 | |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 413 | LOGCHAN(chan, DDEV, NOTICE) << "Setting TX gain to " << dB << " dB"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 414 | |
| 415 | if (LMS_SetGaindB(m_lms_dev, LMS_CH_TX, chan, dB) < 0) |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 416 | LOGCHAN(chan, DDEV, ERR) << "Error setting TX gain to " << dB << " dB"; |
Pau Espin Pedrol | 705a348 | 2019-09-13 16:51:48 +0200 | [diff] [blame] | 417 | else |
| 418 | tx_gains[chan] = dB; |
| 419 | return tx_gains[chan]; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | double LMSDevice::setRxGain(double dB, size_t chan) |
| 423 | { |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 424 | if (dB > maxRxGain()) |
| 425 | dB = maxRxGain(); |
| 426 | if (dB < minRxGain()) |
| 427 | dB = minRxGain(); |
| 428 | |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 429 | LOGCHAN(chan, DDEV, NOTICE) << "Setting RX gain to " << dB << " dB"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 430 | |
| 431 | if (LMS_SetGaindB(m_lms_dev, LMS_CH_RX, chan, dB) < 0) |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 432 | LOGCHAN(chan, DDEV, ERR) << "Error setting RX gain to " << dB << " dB"; |
Pau Espin Pedrol | 705a348 | 2019-09-13 16:51:48 +0200 | [diff] [blame] | 433 | else |
| 434 | rx_gains[chan] = dB; |
| 435 | return rx_gains[chan]; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 436 | } |
| 437 | |
Pau Espin Pedrol | e0010fa | 2019-08-26 17:10:27 +0200 | [diff] [blame] | 438 | void LMSDevice::log_ant_list(bool dir_tx, size_t chan, std::ostringstream& os) |
| 439 | { |
| 440 | lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */ |
| 441 | int num_names; |
| 442 | int i; |
| 443 | |
| 444 | num_names = LMS_GetAntennaList(m_lms_dev, dir_tx, chan, name_list); |
| 445 | for (i = 0; i < num_names; i++) { |
| 446 | if (i) |
| 447 | os << ", "; |
| 448 | os << "'" << name_list[i] << "'"; |
| 449 | } |
| 450 | } |
| 451 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 452 | int LMSDevice::get_ant_idx(const std::string & name, bool dir_tx, size_t chan) |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 453 | { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 454 | lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */ |
| 455 | const char* c_name = name.c_str(); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 456 | int num_names; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 457 | int i; |
| 458 | |
| 459 | num_names = LMS_GetAntennaList(m_lms_dev, dir_tx, chan, name_list); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 460 | for (i = 0; i < num_names; i++) { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 461 | if (!strcmp(c_name, name_list[i])) |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 462 | return i; |
| 463 | } |
| 464 | return -1; |
| 465 | } |
| 466 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 467 | bool LMSDevice::flush_recv(size_t num_pkts) |
| 468 | { |
| 469 | #define CHUNK 625 |
Harald Welte | ce70ba5 | 2018-06-13 22:47:48 +0200 | [diff] [blame] | 470 | int len = CHUNK * tx_sps; |
Pau Espin Pedrol | 541496b | 2019-04-25 19:22:07 +0200 | [diff] [blame] | 471 | short *buffer = (short*) alloca(sizeof(short) * len * 2); |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 472 | int rc; |
| 473 | lms_stream_meta_t rx_metadata = {}; |
| 474 | rx_metadata.flushPartialPacket = false; |
| 475 | rx_metadata.waitForTimestamp = false; |
| 476 | |
| 477 | ts_initial = 0; |
| 478 | |
| 479 | while (!ts_initial || (num_pkts-- > 0)) { |
| 480 | rc = LMS_RecvStream(&m_lms_stream_rx[0], &buffer[0], len, &rx_metadata, 100); |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 481 | LOGC(DDEV, DEBUG) << "Flush: Recv buffer of len " << rc << " at " << std::hex << rx_metadata.timestamp; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 482 | if (rc != len) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 483 | LOGC(DDEV, ERROR) << "Flush: Device receive timed out"; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 484 | return false; |
| 485 | } |
| 486 | |
Harald Welte | 68f0541 | 2018-04-28 21:58:03 +0200 | [diff] [blame] | 487 | ts_initial = rx_metadata.timestamp + len; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 488 | } |
| 489 | |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 490 | LOGC(DDEV, INFO) << "Initial timestamp " << ts_initial << std::endl; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 491 | return true; |
| 492 | } |
| 493 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 494 | bool LMSDevice::setRxAntenna(const std::string & ant, size_t chan) |
| 495 | { |
| 496 | int idx; |
| 497 | |
| 498 | if (chan >= rx_paths.size()) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 499 | LOGC(DDEV, ERROR) << "Requested non-existent channel " << chan; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 500 | return false; |
| 501 | } |
| 502 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 503 | idx = get_ant_idx(ant, LMS_CH_RX, chan); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 504 | if (idx < 0) { |
Pau Espin Pedrol | e0010fa | 2019-08-26 17:10:27 +0200 | [diff] [blame] | 505 | std::ostringstream os; |
| 506 | LOGCHAN(chan, DDEV, ERROR) << "Invalid Rx Antenna: " << ant; |
| 507 | log_ant_list(LMS_CH_RX, chan, os); |
| 508 | LOGCHAN(chan, DDEV, NOTICE) << "Available Rx Antennas: " << os; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 509 | return false; |
| 510 | } |
| 511 | |
| 512 | if (LMS_SetAntenna(m_lms_dev, LMS_CH_RX, chan, idx) < 0) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 513 | LOGCHAN(chan, DDEV, ERROR) << "Unable to set Rx Antenna"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | return true; |
| 517 | } |
| 518 | |
| 519 | std::string LMSDevice::getRxAntenna(size_t chan) |
| 520 | { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 521 | lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */ |
| 522 | int idx; |
| 523 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 524 | if (chan >= rx_paths.size()) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 525 | LOGC(DDEV, ERROR) << "Requested non-existent channel " << chan; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 526 | return ""; |
| 527 | } |
| 528 | |
| 529 | idx = LMS_GetAntenna(m_lms_dev, LMS_CH_RX, chan); |
| 530 | if (idx < 0) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 531 | LOGCHAN(chan, DDEV, ERROR) << "Error getting Rx Antenna"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 532 | return ""; |
| 533 | } |
| 534 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 535 | if (LMS_GetAntennaList(m_lms_dev, LMS_CH_RX, chan, name_list) < idx) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 536 | LOGCHAN(chan, DDEV, ERROR) << "Error getting Rx Antenna List"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 537 | return ""; |
| 538 | } |
| 539 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 540 | return name_list[idx]; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | bool LMSDevice::setTxAntenna(const std::string & ant, size_t chan) |
| 544 | { |
| 545 | int idx; |
| 546 | |
| 547 | if (chan >= tx_paths.size()) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 548 | LOGC(DDEV, ERROR) << "Requested non-existent channel " << chan; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 549 | return false; |
| 550 | } |
| 551 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 552 | idx = get_ant_idx(ant, LMS_CH_TX, chan); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 553 | if (idx < 0) { |
Pau Espin Pedrol | e0010fa | 2019-08-26 17:10:27 +0200 | [diff] [blame] | 554 | std::ostringstream os; |
| 555 | LOGCHAN(chan, DDEV, ERROR) << "Invalid Tx Antenna: " << ant; |
| 556 | log_ant_list(LMS_CH_TX, chan, os); |
| 557 | LOGCHAN(chan, DDEV, NOTICE) << "Available Tx Antennas: " << os; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 558 | return false; |
| 559 | } |
| 560 | |
| 561 | if (LMS_SetAntenna(m_lms_dev, LMS_CH_TX, chan, idx) < 0) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 562 | LOGCHAN(chan, DDEV, ERROR) << "Unable to set Rx Antenna"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 563 | } |
| 564 | |
| 565 | return true; |
| 566 | } |
| 567 | |
| 568 | std::string LMSDevice::getTxAntenna(size_t chan) |
| 569 | { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 570 | lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */ |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 571 | int idx; |
| 572 | |
| 573 | if (chan >= tx_paths.size()) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 574 | LOGC(DDEV, ERROR) << "Requested non-existent channel " << chan; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 575 | return ""; |
| 576 | } |
| 577 | |
| 578 | idx = LMS_GetAntenna(m_lms_dev, LMS_CH_TX, chan); |
| 579 | if (idx < 0) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 580 | LOGCHAN(chan, DDEV, ERROR) << "Error getting Tx Antenna"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 581 | return ""; |
| 582 | } |
| 583 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 584 | if (LMS_GetAntennaList(m_lms_dev, LMS_CH_TX, chan, name_list) < idx) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 585 | LOGCHAN(chan, DDEV, ERROR) << "Error getting Tx Antenna List"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 586 | return ""; |
| 587 | } |
| 588 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 589 | return name_list[idx]; |
| 590 | } |
| 591 | |
| 592 | bool LMSDevice::requiresRadioAlign() |
| 593 | { |
| 594 | return false; |
| 595 | } |
| 596 | |
| 597 | GSM::Time LMSDevice::minLatency() { |
Joachim Steiger | 6c5f4ba | 2019-04-16 16:13:02 +0200 | [diff] [blame] | 598 | /* UNUSED on limesdr (only used on usrp1/2) */ |
| 599 | return GSM::Time(0,0); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 600 | } |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 601 | /*! |
| 602 | * Issue tracking description of several events: https://github.com/myriadrf/LimeSuite/issues/265 |
| 603 | */ |
| 604 | void LMSDevice::update_stream_stats_rx(size_t chan, bool *overrun) |
Pau Espin Pedrol | e5b6664 | 2018-12-04 20:56:32 +0100 | [diff] [blame] | 605 | { |
| 606 | lms_stream_status_t status; |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 607 | bool changed = false; |
Pau Espin Pedrol | e5b6664 | 2018-12-04 20:56:32 +0100 | [diff] [blame] | 608 | |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 609 | if (LMS_GetStreamStatus(&m_lms_stream_rx[chan], &status) != 0) { |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 610 | LOGCHAN(chan, DDEV, ERROR) << "Rx LMS_GetStreamStatus failed"; |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 611 | return; |
Pau Espin Pedrol | e5b6664 | 2018-12-04 20:56:32 +0100 | [diff] [blame] | 612 | } |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 613 | |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 614 | /* FIFO overrun is counted when Rx FIFO is full but new data comes from |
| 615 | the board and oldest samples in FIFO are overwritte. Value count |
| 616 | since the last call to LMS_GetStreamStatus(stream). */ |
Pau Espin Pedrol | bde55af | 2019-06-04 16:32:25 +0200 | [diff] [blame] | 617 | if (status.overrun) { |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 618 | changed = true; |
| 619 | *overrun = true; |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 620 | LOGCHAN(chan, DDEV, ERROR) << "Rx Overrun! (" |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 621 | << m_ctr[chan].rx_overruns << " -> " |
| 622 | << status.overrun << ")"; |
| 623 | } |
Pau Espin Pedrol | bde55af | 2019-06-04 16:32:25 +0200 | [diff] [blame] | 624 | m_ctr[chan].rx_overruns += status.overrun; |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 625 | |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 626 | /* Dropped packets in Rx are counted when gaps in Rx timestamps are |
Martin Hauke | 066fd04 | 2019-10-13 19:08:00 +0200 | [diff] [blame] | 627 | detected (likely because buffer overflow in hardware). Value count |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 628 | since the last call to LMS_GetStreamStatus(stream). */ |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 629 | if (status.droppedPackets) { |
| 630 | changed = true; |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 631 | LOGCHAN(chan, DDEV, ERROR) << "Rx Dropped packets by HW! (" |
Pau Espin Pedrol | 4456b6f | 2019-05-24 16:54:19 +0200 | [diff] [blame] | 632 | << m_ctr[chan].rx_dropped_samples << " -> " |
| 633 | << m_ctr[chan].rx_dropped_samples + |
| 634 | status.droppedPackets |
| 635 | << ")"; |
| 636 | m_ctr[chan].rx_dropped_events++; |
| 637 | } |
| 638 | m_ctr[chan].rx_dropped_samples += status.droppedPackets; |
| 639 | |
| 640 | if (changed) |
| 641 | osmo_signal_dispatch(SS_DEVICE, S_DEVICE_COUNTER_CHANGE, &m_ctr[chan]); |
| 642 | |
Pau Espin Pedrol | e5b6664 | 2018-12-04 20:56:32 +0100 | [diff] [blame] | 643 | } |
| 644 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 645 | // NOTE: Assumes sequential reads |
| 646 | int LMSDevice::readSamples(std::vector < short *>&bufs, int len, bool * overrun, |
| 647 | TIMESTAMP timestamp, bool * underrun, unsigned *RSSI) |
| 648 | { |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 649 | int rc, num_smpls, expect_smpls; |
| 650 | ssize_t avail_smpls; |
| 651 | TIMESTAMP expect_timestamp; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 652 | unsigned int i; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 653 | lms_stream_meta_t rx_metadata = {}; |
| 654 | rx_metadata.flushPartialPacket = false; |
| 655 | rx_metadata.waitForTimestamp = false; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 656 | rx_metadata.timestamp = 0; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 657 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 658 | if (bufs.size() != chans) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 659 | LOGC(DDEV, ERROR) << "Invalid channel combination " << bufs.size(); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 660 | return -1; |
| 661 | } |
| 662 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 663 | *overrun = false; |
| 664 | *underrun = false; |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 665 | |
| 666 | /* Check that timestamp is valid */ |
| 667 | rc = rx_buffers[0]->avail_smpls(timestamp); |
| 668 | if (rc < 0) { |
| 669 | LOGC(DDEV, ERROR) << rx_buffers[0]->str_code(rc); |
| 670 | LOGC(DDEV, ERROR) << rx_buffers[0]->str_status(timestamp); |
| 671 | return 0; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 672 | } |
| 673 | |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 674 | for (i = 0; i<chans; i++) { |
| 675 | /* Receive samples from HW until we have enough */ |
| 676 | while ((avail_smpls = rx_buffers[i]->avail_smpls(timestamp)) < len) { |
| 677 | thread_enable_cancel(false); |
| 678 | num_smpls = LMS_RecvStream(&m_lms_stream_rx[i], bufs[i], len - avail_smpls, &rx_metadata, 100); |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 679 | update_stream_stats_rx(i, overrun); |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 680 | thread_enable_cancel(true); |
| 681 | if (num_smpls <= 0) { |
| 682 | LOGCHAN(i, DDEV, ERROR) << "Device receive timed out (" << rc << " vs exp " << len << ")."; |
| 683 | return -1; |
| 684 | } |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 685 | |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 686 | LOGCHAN(i, DDEV, DEBUG) "Received timestamp = " << (TIMESTAMP)rx_metadata.timestamp << " (" << num_smpls << ")"; |
| 687 | |
| 688 | expect_smpls = len - avail_smpls; |
| 689 | if (expect_smpls != num_smpls) |
| 690 | LOGCHAN(i, DDEV, NOTICE) << "Unexpected recv buffer len: expect " |
| 691 | << expect_smpls << " got " << num_smpls |
| 692 | << ", diff=" << expect_smpls - num_smpls; |
| 693 | |
| 694 | expect_timestamp = timestamp + avail_smpls; |
| 695 | if (expect_timestamp != (TIMESTAMP)rx_metadata.timestamp) |
| 696 | LOGCHAN(i, DDEV, ERROR) << "Unexpected recv buffer timestamp: expect " |
| 697 | << expect_timestamp << " got " << (TIMESTAMP)rx_metadata.timestamp |
| 698 | << ", diff=" << rx_metadata.timestamp - expect_timestamp; |
| 699 | |
| 700 | rc = rx_buffers[i]->write(bufs[i], num_smpls, (TIMESTAMP)rx_metadata.timestamp); |
| 701 | if (rc < 0) { |
| 702 | LOGCHAN(i, DDEV, ERROR) << rx_buffers[i]->str_code(rc); |
| 703 | LOGCHAN(i, DDEV, ERROR) << rx_buffers[i]->str_status(timestamp); |
| 704 | if (rc != smpl_buf::ERROR_OVERFLOW) |
| 705 | return 0; |
| 706 | } |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | /* We have enough samples */ |
| 711 | for (size_t i = 0; i < rx_buffers.size(); i++) { |
| 712 | rc = rx_buffers[i]->read(bufs[i], len, timestamp); |
| 713 | if ((rc < 0) || (rc != len)) { |
Pau Espin Pedrol | 62c9280 | 2020-01-13 14:35:06 +0100 | [diff] [blame] | 714 | LOGCHAN(i, DDEV, ERROR) << rx_buffers[i]->str_code(rc) << ". " |
| 715 | << rx_buffers[i]->str_status(timestamp) |
| 716 | << ", (len=" << len << ")"; |
Pau Espin Pedrol | dcbcfa5 | 2019-05-03 16:15:06 +0200 | [diff] [blame] | 717 | return 0; |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | return len; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 722 | } |
| 723 | |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 724 | void LMSDevice::update_stream_stats_tx(size_t chan, bool *underrun) |
| 725 | { |
| 726 | lms_stream_status_t status; |
| 727 | bool changed = false; |
| 728 | |
| 729 | if (LMS_GetStreamStatus(&m_lms_stream_tx[chan], &status) != 0) { |
| 730 | LOGCHAN(chan, DDEV, ERROR) << "Tx LMS_GetStreamStatus failed"; |
| 731 | return; |
| 732 | } |
| 733 | |
| 734 | /* FIFO underrun is counted when Tx is running but FIFO is empty for |
| 735 | >100 ms (500ms in older versions). Value count since the last call to |
| 736 | LMS_GetStreamStatus(stream). */ |
| 737 | if (status.underrun) { |
| 738 | changed = true; |
| 739 | *underrun = true; |
| 740 | LOGCHAN(chan, DDEV, ERROR) << "Tx Underrun! (" |
| 741 | << m_ctr[chan].tx_underruns << " -> " |
| 742 | << status.underrun << ")"; |
| 743 | } |
| 744 | m_ctr[chan].tx_underruns += status.underrun; |
| 745 | |
| 746 | /* Dropped packets in Tx are counted only when timestamps are enabled |
| 747 | and SDR drops packet because of late timestamp. Value count since the |
| 748 | last call to LMS_GetStreamStatus(stream). */ |
| 749 | if (status.droppedPackets) { |
| 750 | changed = true; |
| 751 | LOGCHAN(chan, DDEV, ERROR) << "Tx Dropped packets by HW! (" |
| 752 | << m_ctr[chan].tx_dropped_samples << " -> " |
| 753 | << m_ctr[chan].tx_dropped_samples + |
| 754 | status.droppedPackets |
| 755 | << ")"; |
| 756 | m_ctr[chan].tx_dropped_events++; |
| 757 | } |
| 758 | m_ctr[chan].tx_dropped_samples += status.droppedPackets; |
| 759 | |
| 760 | if (changed) |
| 761 | osmo_signal_dispatch(SS_DEVICE, S_DEVICE_COUNTER_CHANGE, &m_ctr[chan]); |
| 762 | |
| 763 | } |
| 764 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 765 | int LMSDevice::writeSamples(std::vector < short *>&bufs, int len, |
| 766 | bool * underrun, unsigned long long timestamp, |
| 767 | bool isControl) |
| 768 | { |
Vadim Yanitskiy | 92fc186 | 2018-09-20 16:17:16 +0700 | [diff] [blame] | 769 | int rc = 0; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 770 | unsigned int i; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 771 | lms_stream_meta_t tx_metadata = {}; |
| 772 | tx_metadata.flushPartialPacket = false; |
| 773 | tx_metadata.waitForTimestamp = true; |
Zydrunas Tamosevicius | 43f3678 | 2018-06-12 00:27:09 +0200 | [diff] [blame] | 774 | tx_metadata.timestamp = timestamp - ts_offset; /* Shift Tx time by offset */ |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 775 | |
| 776 | if (isControl) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 777 | LOGC(DDEV, ERROR) << "Control packets not supported"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 778 | return 0; |
| 779 | } |
| 780 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 781 | if (bufs.size() != chans) { |
Pau Espin Pedrol | b96d9dd | 2019-04-25 19:52:49 +0200 | [diff] [blame] | 782 | LOGC(DDEV, ERROR) << "Invalid channel combination " << bufs.size(); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 783 | return -1; |
| 784 | } |
| 785 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 786 | *underrun = false; |
| 787 | |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 788 | for (i = 0; i<chans; i++) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 789 | LOGCHAN(i, DDEV, DEBUG) << "send buffer of len " << len << " timestamp " << std::hex << tx_metadata.timestamp; |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 790 | thread_enable_cancel(false); |
| 791 | rc = LMS_SendStream(&m_lms_stream_tx[i], bufs[i], len, &tx_metadata, 100); |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 792 | update_stream_stats_tx(i, underrun); |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 793 | thread_enable_cancel(true); |
Pau Espin Pedrol | 68a7809 | 2019-07-29 20:11:25 +0200 | [diff] [blame] | 794 | if (rc != len) { |
| 795 | LOGCHAN(i, DDEV, ERROR) << "LMS: Device Tx timed out (" << rc << " vs exp " << len << ")."; |
| 796 | return -1; |
| 797 | } |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 798 | } |
| 799 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 800 | return rc; |
| 801 | } |
| 802 | |
| 803 | bool LMSDevice::updateAlignment(TIMESTAMP timestamp) |
| 804 | { |
Pau Espin Pedrol | c7a0bf1 | 2018-04-25 12:17:10 +0200 | [diff] [blame] | 805 | return true; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 806 | } |
| 807 | |
| 808 | bool LMSDevice::setTxFreq(double wFreq, size_t chan) |
| 809 | { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 810 | LOGCHAN(chan, DDEV, NOTICE) << "Setting Tx Freq to " << wFreq << " Hz"; |
Pau Espin Pedrol | 138caaf | 2018-12-04 14:09:53 +0100 | [diff] [blame] | 811 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 812 | if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_TX, chan, wFreq) < 0) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 813 | LOGCHAN(chan, DDEV, ERROR) << "Error setting Tx Freq to " << wFreq << " Hz"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 814 | return false; |
| 815 | } |
| 816 | |
| 817 | return true; |
| 818 | } |
| 819 | |
| 820 | bool LMSDevice::setRxFreq(double wFreq, size_t chan) |
| 821 | { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 822 | LOGCHAN(chan, DDEV, NOTICE) << "Setting Rx Freq to " << wFreq << " Hz"; |
Pau Espin Pedrol | 138caaf | 2018-12-04 14:09:53 +0100 | [diff] [blame] | 823 | |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 824 | if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_RX, chan, wFreq) < 0) { |
Pau Espin Pedrol | fc73c07 | 2019-05-03 19:40:00 +0200 | [diff] [blame] | 825 | LOGCHAN(chan, DDEV, ERROR) << "Error setting Rx Freq to " << wFreq << " Hz"; |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 826 | return false; |
| 827 | } |
| 828 | |
| 829 | return true; |
| 830 | } |
| 831 | |
| 832 | RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps, |
Harald Welte | 61707e8 | 2018-06-13 23:21:57 +0200 | [diff] [blame] | 833 | InterfaceType iface, size_t chans, double lo_offset, |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 834 | const std::vector < std::string > &tx_paths, |
| 835 | const std::vector < std::string > &rx_paths) |
| 836 | { |
Harald Welte | ffb3301 | 2018-06-13 23:41:35 +0200 | [diff] [blame] | 837 | if (tx_sps != rx_sps) { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 838 | LOGC(DDEV, ERROR) << "LMS Requires tx_sps == rx_sps"; |
Harald Welte | ffb3301 | 2018-06-13 23:41:35 +0200 | [diff] [blame] | 839 | return NULL; |
| 840 | } |
| 841 | if (lo_offset != 0.0) { |
Harald Welte | 5cc8858 | 2018-08-17 19:55:38 +0200 | [diff] [blame] | 842 | LOGC(DDEV, ERROR) << "LMS doesn't support lo_offset"; |
Harald Welte | ffb3301 | 2018-06-13 23:41:35 +0200 | [diff] [blame] | 843 | return NULL; |
| 844 | } |
Harald Welte | 61707e8 | 2018-06-13 23:21:57 +0200 | [diff] [blame] | 845 | return new LMSDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths); |
Harald Welte | 940738e | 2018-03-07 07:50:57 +0100 | [diff] [blame] | 846 | } |