mirror of https://github.com/pvnis/srsRAN_4G.git
Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next
Ismael Gomez
7 years ago
commit
c04c147451
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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// A bunch of helper functions to process device arguments
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#define REMOVE_SUBSTRING_WITHCOMAS(S, TOREMOVE) \
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remove_substring(S, TOREMOVE ",");\
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remove_substring(S, TOREMOVE ", ");\
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remove_substring(S, "," TOREMOVE);\
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remove_substring(S, ", " TOREMOVE);\
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remove_substring(S, TOREMOVE)
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static void remove_substring(char *s,const char *toremove) {
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while((s=strstr(s,toremove))) {
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memmove(s,s+strlen(toremove),1+strlen(s+strlen(toremove)));
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}
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}
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static void copy_subdev_string(char *dst, char *src) {
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int n = 0;
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size_t len = strlen(src);
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/* Copy until end of string or comma */
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while (n < len && src[n] != '\0' && src[n] != ',') {
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dst[n] = src[n];
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n++;
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}
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dst[n] = '\0';
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}
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#
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# Copyright 2013-2017 Software Radio Systems Limited
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#
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# This file is part of srsLTE
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#
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# srsLTE is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# srsLTE is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# A copy of the GNU Affero General Public License can be found in
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# the LICENSE file in the top-level directory of this distribution
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# and at http://www.gnu.org/licenses/.
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#
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if(RF_FOUND)
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add_executable(benchmark_radio benchmark_radio.cc)
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target_link_libraries(benchmark_radio srslte_radio)
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endif(RF_FOUND)
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@ -0,0 +1,182 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <unistd.h>
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#include "srslte/srslte.h"
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#include "srslte/radio/radio_multi.h"
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using namespace srslte;
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std::string device_args = "auto";
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double freq = 2630e6;
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uint32_t nof_ports = 1;
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double srate = 1.92e6; /* Hz */
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double duration = 0.01; /* in seconds, 10 ms by default */
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cf_t *buffers[SRSLTE_MAX_PORTS];
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bool tx_enable = false;
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void usage(char *prog) {
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printf("Usage: %s [rpstvh]\n", prog);
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printf("\t-f Carrier frequency in Hz [Default %f]\n", freq);
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printf("\t-a Arguments for first radio [Default %s]\n", device_args.c_str());
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printf("\t-p number of ports 1-%d [Default %d]\n", SRSLTE_MAX_PORTS, nof_ports);
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printf("\t-s sampling rate [Default %.0f]\n", srate);
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printf("\t-t duration in seconds [Default %.3f]\n", duration);
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printf("\t-x enable transmit [Default %s]\n", (tx_enable) ? "enabled" : "disabled");
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printf("\t-v Set srslte_verbose to info (v) or debug (vv) [Default none]\n");
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printf("\t-h show this message\n");
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}
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void parse_args(int argc, char **argv) {
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int opt;
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while ((opt = getopt(argc, argv, "foabcderpstvhmxw")) != -1) {
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switch (opt) {
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case 'f':
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freq = atof(argv[optind]);
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break;
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case 'a':
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device_args = std::string(argv[optind]);
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break;
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case 'p':
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nof_ports = (uint32_t) atoi(argv[optind]);
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break;
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case 's':
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srate = atof(argv[optind]);
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break;
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case 't':
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duration = atof(argv[optind]);
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break;
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case 'x':
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tx_enable ^= true;
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break;
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case 'v':
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srslte_verbose++;
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break;
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case 'h':
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default:
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usage(argv[0]);
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exit(-1);
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}
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}
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}
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int main(int argc, char **argv)
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{
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int ret = SRSLTE_ERROR;
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srslte::radio_multi *radio_h = NULL;
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srslte_timestamp_t ts_rx = {}, ts_tx = {};
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/* Parse args */
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parse_args(argc, argv);
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uint32_t nof_samples = (uint32_t) (duration * srate);
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uint32_t frame_size = (uint32_t) (srate / 1000.0); /* 1 ms at srate */
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uint32_t nof_frames = (uint32_t) ceil(nof_samples / frame_size);
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radio_h = new radio_multi();
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if (!radio_h) {
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fprintf(stderr, "Error: Calling radio_multi constructor\n");
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goto clean_exit;
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}
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for (uint32_t p = 0; p < SRSLTE_MAX_PORTS; p++) {
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buffers[p] = NULL;
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}
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for (uint32_t p = 0; p < nof_ports; p++) {
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buffers[p] = (cf_t *) srslte_vec_malloc(sizeof(cf_t) * frame_size);
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if (!buffers[p]) {
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fprintf(stderr, "Error: Allocating buffer (%d)\n", p);
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goto clean_exit;
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}
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}
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/* Initialise instances */
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printf("Initialising instances...\n");
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if (!radio_h->init((char*)device_args.c_str(), NULL, nof_ports)) {
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fprintf(stderr, "Error: Calling radio_multi constructor\n");
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goto clean_exit;
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}
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radio_h->set_rx_freq(freq);
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/* Set radio */
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printf("Setting radio...\n");
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if (srate < 10e6) {
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radio_h->set_master_clock_rate(4 * srate);
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} else {
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radio_h->set_master_clock_rate(srate);
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}
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radio_h->set_rx_srate(srate);
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if (tx_enable) {
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radio_h->set_tx_srate(srate);
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}
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/* Receive */
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printf("Initial receive for aligning radios...\n");
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radio_h->rx_now(buffers, frame_size, &ts_rx);
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printf("Start capturing %d frames of %d samples...\n", nof_frames, frame_size);
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for (uint32_t i = 0; i < nof_frames; i++) {
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frame_size = SRSLTE_MIN(frame_size, nof_samples);
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radio_h->rx_now(buffers, frame_size, &ts_rx);
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if (tx_enable) {
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srslte_timestamp_copy(&ts_tx, &ts_rx);
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srslte_timestamp_add(&ts_tx, 0, 0.004);
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radio_h->tx_single(buffers[0], frame_size, ts_tx);
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}
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nof_samples -= frame_size;
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}
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printf("Finished streaming ...\n");
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ret = SRSLTE_SUCCESS;
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clean_exit:
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printf("Tearing down...\n");
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radio_h->stop();
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for (uint32_t p = 0; p < nof_ports; p++) {
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if (buffers[p]) {
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free(buffers[p]);
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}
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}
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if (ret) {
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printf("Failed!\n");
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} else {
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printf("Ok!\n");
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}
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return ret;
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}
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Loading…
Reference in New Issue