2014-06-27 09:36:25 -07:00
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/**
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*
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* \section COPYRIGHT
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*
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2015-05-08 08:05:40 -07:00
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* Copyright 2013-2015 The srsLTE Developers. See the
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2014-06-27 09:36:25 -07:00
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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2015-03-18 05:31:13 -07:00
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* This file is part of the srsLTE library.
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2014-06-27 09:36:25 -07:00
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*
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2015-03-18 05:31:13 -07:00
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* srsLTE is free software: you can redistribute it and/or modify
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2015-05-08 08:05:40 -07:00
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* it under the terms of the GNU Affero General Public License as
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2014-06-27 09:36:25 -07:00
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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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2015-03-18 05:31:13 -07:00
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* srsLTE is distributed in the hope that it will be useful,
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2014-06-27 09:36:25 -07:00
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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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2015-05-08 08:05:40 -07:00
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* GNU Affero General Public License for more details.
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2014-06-27 09:36:25 -07:00
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*
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2015-05-08 08:05:40 -07:00
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* A copy of the GNU Affero General Public License can be found in
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2014-06-27 09:36:25 -07:00
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include <math.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <assert.h>
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#include <signal.h>
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2015-01-12 20:01:35 -08:00
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#include <pthread.h>
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#include <semaphore.h>
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2014-06-27 09:36:25 -07:00
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2015-03-18 05:31:13 -07:00
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#include "srslte/srslte.h"
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2015-01-11 20:06:11 -08:00
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#ifndef DISABLE_UHD
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2015-03-18 05:16:28 -07:00
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#include "srslte/cuhd/cuhd.h"
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2015-05-08 03:33:33 -07:00
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#include "srslte/cuhd/cuhd_utils.h"
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2015-01-17 06:03:02 -08:00
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cell_search_cfg_t cell_detect_config = {
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5000,
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2015-04-21 12:05:51 -07:00
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200, // nof_frames_total
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10.0 // threshold
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2015-01-17 06:03:02 -08:00
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};
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2015-05-08 03:33:33 -07:00
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#else
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#warning Compiling pdsch_ue with no UHD support
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2015-01-11 20:06:11 -08:00
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#endif
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2015-01-11 18:24:54 -08:00
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2015-01-14 18:16:35 -08:00
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//#define STDOUT_COMPACT
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2014-06-27 09:36:25 -07:00
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#ifndef DISABLE_GRAPHICS
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2015-04-01 07:55:09 -07:00
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#include "srsgui/srsgui.h"
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2015-01-12 20:01:35 -08:00
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void init_plots();
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pthread_t plot_thread;
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sem_t plot_sem;
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2015-02-12 00:00:00 -08:00
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uint32_t plot_sf_idx=0;
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2015-09-25 10:12:43 -07:00
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bool plot_track = true;
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2014-06-27 09:36:25 -07:00
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#endif
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2015-05-20 01:57:16 -07:00
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#define PLOT_CHEST_ARGUMENT
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#define PRINT_CHANGE_SCHEDULIGN
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2015-05-18 12:00:47 -07:00
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2014-07-21 07:19:17 -07:00
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/**********************************************************************
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* Program arguments processing
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***********************************************************************/
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typedef struct {
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int nof_subframes;
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bool disable_plots;
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bool disable_plots_except_constellation;
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bool disable_cfo;
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uint32_t time_offset;
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2014-11-16 13:54:38 -08:00
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int force_N_id_2;
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2014-11-17 05:04:30 -08:00
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uint16_t rnti;
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2015-01-11 20:06:11 -08:00
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char *input_file_name;
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uint32_t file_nof_prb;
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2015-04-05 12:03:01 -07:00
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uint32_t file_nof_ports;
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uint32_t file_cell_id;
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2014-11-16 13:54:38 -08:00
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char *uhd_args;
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float uhd_freq;
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2015-03-05 09:36:15 -08:00
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float uhd_freq_offset;
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2014-11-16 13:54:38 -08:00
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float uhd_gain;
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2015-01-08 18:28:05 -08:00
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int net_port;
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char *net_address;
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2015-01-11 18:24:54 -08:00
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int net_port_signal;
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2015-01-11 20:06:11 -08:00
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char *net_address_signal;
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2014-07-21 07:19:17 -07:00
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}prog_args_t;
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void args_default(prog_args_t *args) {
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2015-05-18 12:00:47 -07:00
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args->disable_plots = false;
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args->disable_plots_except_constellation = false;
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2014-11-17 05:04:30 -08:00
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args->nof_subframes = -1;
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2015-03-18 05:59:29 -07:00
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args->rnti = SRSLTE_SIRNTI;
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2014-11-16 13:54:38 -08:00
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args->force_N_id_2 = -1; // Pick the best
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2015-01-11 20:06:11 -08:00
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args->input_file_name = NULL;
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2015-05-18 12:00:47 -07:00
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args->disable_cfo = false;
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args->time_offset = 0;
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2015-06-04 02:48:13 -07:00
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args->file_nof_prb = 25;
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2015-04-05 12:03:01 -07:00
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args->file_nof_ports = 1;
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args->file_cell_id = 0;
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2014-11-16 13:54:38 -08:00
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args->uhd_args = "";
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args->uhd_freq = -1.0;
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2015-09-25 11:07:34 -07:00
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args->uhd_freq_offset = 0.0;
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2015-04-21 02:09:08 -07:00
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args->uhd_gain = -1.0;
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2015-01-08 18:28:05 -08:00
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args->net_port = -1;
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args->net_address = "127.0.0.1";
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2015-01-11 18:24:54 -08:00
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args->net_port_signal = -1;
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args->net_address_signal = "127.0.0.1";
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2014-07-21 07:19:17 -07:00
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}
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2014-06-27 09:36:25 -07:00
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2014-07-21 07:19:17 -07:00
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void usage(prog_args_t *args, char *prog) {
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2015-05-18 12:00:47 -07:00
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printf("Usage: %s [agpPcildDnruv] -f rx_frequency (in Hz) | -i input_file\n", prog);
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2015-02-24 02:19:42 -08:00
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#ifndef DISABLE_UHD
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2014-11-16 13:54:38 -08:00
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printf("\t-a UHD args [Default %s]\n", args->uhd_args);
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2015-04-21 02:09:08 -07:00
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printf("\t-g UHD fix RX gain [Default AGC]\n");
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2015-03-05 09:36:15 -08:00
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printf("\t-o UHD RX freq offset [Default %.1f MHz]\n", args->uhd_freq_offset/1000000);
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2015-01-11 20:06:11 -08:00
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#else
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printf("\t UHD is disabled. CUHD library not available\n");
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#endif
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printf("\t-i input_file [Default USRP]\n");
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printf("\t-p nof_prb for input file [Default %d]\n", args->file_nof_prb);
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2015-04-05 12:03:01 -07:00
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printf("\t-P nof_ports for input file [Default %d]\n", args->file_nof_ports);
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printf("\t-c cell_id for input file [Default %d]\n", args->file_cell_id);
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2015-05-18 12:00:47 -07:00
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printf("\t-r RNTI in Hex [Default 0x%x]\n",args->rnti);
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2014-10-14 05:46:58 -07:00
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printf("\t-l Force N_id_2 [Default best]\n");
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2015-05-18 12:00:47 -07:00
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printf("\t-C Disable CFO correction [Default %s]\n", args->disable_cfo?"Disabled":"Enabled");
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printf("\t-t Add time offset [Default %d]\n", args->time_offset);
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2014-06-27 09:36:25 -07:00
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#ifndef DISABLE_GRAPHICS
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printf("\t-d disable plots [Default enabled]\n");
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2015-05-18 12:00:47 -07:00
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printf("\t-D disable all but constellation plots [Default enabled]\n");
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2014-06-27 09:36:25 -07:00
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#else
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printf("\t plots are disabled. Graphics library not available\n");
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#endif
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2014-11-16 13:54:38 -08:00
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printf("\t-n nof_subframes [Default %d]\n", args->nof_subframes);
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2015-01-11 18:24:54 -08:00
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printf("\t-s remote UDP port to send input signal (-1 does nothing with it) [Default %d]\n", args->net_port_signal);
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printf("\t-S remote UDP address to send input signal [Default %s]\n", args->net_address_signal);
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2015-01-21 10:18:31 -08:00
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printf("\t-u remote TCP port to send data (-1 does nothing with it) [Default %d]\n", args->net_port);
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printf("\t-U remote TCP address to send data [Default %s]\n", args->net_address);
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2015-03-18 11:14:24 -07:00
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printf("\t-v [set srslte_verbose to debug, default none]\n");
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2014-06-27 09:36:25 -07:00
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}
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2014-07-21 07:19:17 -07:00
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void parse_args(prog_args_t *args, int argc, char **argv) {
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2014-06-27 09:36:25 -07:00
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int opt;
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2014-07-21 07:19:17 -07:00
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args_default(args);
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2015-05-18 12:00:47 -07:00
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while ((opt = getopt(argc, argv, "aoglipPcCtdDnvrfuUsS")) != -1) {
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2014-06-27 09:36:25 -07:00
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switch (opt) {
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2015-01-11 20:06:11 -08:00
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case 'i':
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args->input_file_name = argv[optind];
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break;
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case 'p':
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args->file_nof_prb = atoi(argv[optind]);
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break;
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2015-04-05 12:03:01 -07:00
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case 'P':
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args->file_nof_ports = atoi(argv[optind]);
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break;
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case 'c':
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args->file_cell_id = atoi(argv[optind]);
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break;
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2014-06-27 09:36:25 -07:00
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case 'a':
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2014-11-16 13:54:38 -08:00
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args->uhd_args = argv[optind];
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2014-06-27 09:36:25 -07:00
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break;
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case 'g':
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2014-11-16 13:54:38 -08:00
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args->uhd_gain = atof(argv[optind]);
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2014-06-27 09:36:25 -07:00
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break;
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2015-05-18 12:00:47 -07:00
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case 'C':
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args->disable_cfo = true;
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break;
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case 't':
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args->time_offset = atoi(argv[optind]);
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break;
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2015-03-05 09:36:15 -08:00
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case 'o':
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args->uhd_freq_offset = atof(argv[optind]);
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break;
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2014-06-27 09:36:25 -07:00
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case 'f':
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2014-11-16 13:54:38 -08:00
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args->uhd_freq = atof(argv[optind]);
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2014-06-27 09:36:25 -07:00
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break;
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case 'n':
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2014-07-21 07:19:17 -07:00
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args->nof_subframes = atoi(argv[optind]);
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2014-06-27 09:36:25 -07:00
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break;
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2014-11-17 05:04:30 -08:00
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case 'r':
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2015-05-18 12:00:47 -07:00
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args->rnti = strtol(argv[optind], NULL, 16);
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2014-11-17 05:04:30 -08:00
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break;
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2014-10-14 05:46:58 -07:00
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case 'l':
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2014-11-16 13:54:38 -08:00
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args->force_N_id_2 = atoi(argv[optind]);
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2014-07-22 11:11:48 -07:00
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break;
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2014-12-26 15:36:32 -08:00
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case 'u':
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2015-01-08 18:28:05 -08:00
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args->net_port = atoi(argv[optind]);
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2014-12-26 15:36:32 -08:00
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break;
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case 'U':
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2015-01-08 18:28:05 -08:00
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args->net_address = argv[optind];
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2014-12-26 15:36:32 -08:00
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break;
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2015-01-11 18:24:54 -08:00
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case 's':
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args->net_port_signal = atoi(argv[optind]);
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break;
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case 'S':
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args->net_address_signal = argv[optind];
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break;
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2014-06-27 09:36:25 -07:00
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case 'd':
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2014-07-21 07:19:17 -07:00
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args->disable_plots = true;
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2014-06-27 09:36:25 -07:00
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break;
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2015-05-18 12:00:47 -07:00
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case 'D':
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args->disable_plots_except_constellation = true;
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break;
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2014-06-27 09:36:25 -07:00
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case 'v':
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2015-03-18 11:14:24 -07:00
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srslte_verbose++;
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2014-06-27 09:36:25 -07:00
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break;
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default:
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2014-07-21 07:19:17 -07:00
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usage(args, argv[0]);
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2014-06-27 09:36:25 -07:00
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exit(-1);
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}
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}
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2015-01-11 20:06:11 -08:00
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if (args->uhd_freq < 0 && args->input_file_name == NULL) {
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2014-07-21 07:19:17 -07:00
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usage(args, argv[0]);
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2014-10-14 05:46:58 -07:00
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exit(-1);
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2014-06-27 09:36:25 -07:00
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}
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}
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2014-07-21 07:19:17 -07:00
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/**********************************************************************/
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2014-06-27 09:36:25 -07:00
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2014-07-21 08:54:25 -07:00
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/* TODO: Do something with the output data */
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2015-08-06 17:18:47 -07:00
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uint8_t data[20000];
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2014-07-21 08:54:25 -07:00
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2014-11-17 05:04:30 -08:00
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bool go_exit = false;
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void sig_int_handler(int signo)
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{
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if (signo == SIGINT) {
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go_exit = true;
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}
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}
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2015-01-11 20:06:11 -08:00
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#ifndef DISABLE_UHD
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2015-03-18 08:05:38 -07:00
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int cuhd_recv_wrapper(void *h, void *data, uint32_t nsamples, srslte_timestamp_t *t) {
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2014-11-16 13:54:38 -08:00
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DEBUG(" ---- Receive %d samples ---- \n", nsamples);
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return cuhd_recv(h, data, nsamples, 1);
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}
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2015-01-11 20:06:11 -08:00
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#endif
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2014-11-16 13:54:38 -08:00
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extern float mean_exec_time;
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2014-08-02 14:55:12 -07:00
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2014-12-26 15:36:32 -08:00
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enum receiver_state { DECODE_MIB, DECODE_PDSCH} state;
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2014-12-09 15:29:48 -08:00
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2015-03-19 08:42:31 -07:00
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srslte_ue_dl_t ue_dl;
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2015-03-18 11:14:24 -07:00
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srslte_ue_sync_t ue_sync;
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2015-01-12 20:01:35 -08:00
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prog_args_t prog_args;
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2014-12-09 15:29:48 -08:00
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2015-01-14 18:16:35 -08:00
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uint32_t sfn = 0; // system frame number
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2015-02-12 02:33:24 -08:00
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cf_t *sf_buffer = NULL;
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2015-03-18 08:05:38 -07:00
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srslte_netsink_t net_sink, net_sink_signal;
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2015-01-14 18:16:35 -08:00
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2014-07-21 07:19:17 -07:00
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int main(int argc, char **argv) {
|
|
|
|
int ret;
|
2015-03-18 05:41:50 -07:00
|
|
|
srslte_cell_t cell;
|
2014-07-21 07:19:17 -07:00
|
|
|
int64_t sf_cnt;
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_ue_mib_t ue_mib;
|
2015-01-17 06:03:02 -08:00
|
|
|
#ifndef DISABLE_UHD
|
2014-11-16 13:54:38 -08:00
|
|
|
void *uhd;
|
2015-01-17 06:03:02 -08:00
|
|
|
#endif
|
2014-11-16 13:54:38 -08:00
|
|
|
uint32_t nof_trials = 0;
|
|
|
|
int n;
|
2015-03-24 07:58:33 -07:00
|
|
|
uint8_t bch_payload[SRSLTE_BCH_PAYLOAD_LEN];
|
2014-12-26 15:36:32 -08:00
|
|
|
uint32_t sfn_offset;
|
|
|
|
|
2014-07-21 07:19:17 -07:00
|
|
|
parse_args(&prog_args, argc, argv);
|
2014-11-16 13:54:38 -08:00
|
|
|
|
2015-01-08 18:28:05 -08:00
|
|
|
if (prog_args.net_port > 0) {
|
2015-03-18 08:05:38 -07:00
|
|
|
if (srslte_netsink_init(&net_sink, prog_args.net_address, prog_args.net_port, SRSLTE_NETSINK_TCP)) {
|
2015-01-08 18:28:05 -08:00
|
|
|
fprintf(stderr, "Error initiating UDP socket to %s:%d\n", prog_args.net_address, prog_args.net_port);
|
2014-12-26 15:36:32 -08:00
|
|
|
exit(-1);
|
|
|
|
}
|
2015-03-18 08:05:38 -07:00
|
|
|
srslte_netsink_set_nonblocking(&net_sink);
|
2014-12-26 15:36:32 -08:00
|
|
|
}
|
2015-01-11 18:24:54 -08:00
|
|
|
if (prog_args.net_port_signal > 0) {
|
2015-03-18 08:05:38 -07:00
|
|
|
if (srslte_netsink_init(&net_sink_signal, prog_args.net_address_signal, prog_args.net_port_signal, SRSLTE_NETSINK_UDP)) {
|
2015-01-11 18:24:54 -08:00
|
|
|
fprintf(stderr, "Error initiating UDP socket to %s:%d\n", prog_args.net_address_signal, prog_args.net_port_signal);
|
|
|
|
exit(-1);
|
|
|
|
}
|
2015-03-18 08:05:38 -07:00
|
|
|
srslte_netsink_set_nonblocking(&net_sink_signal);
|
2015-01-11 18:24:54 -08:00
|
|
|
}
|
2014-12-11 15:04:21 -08:00
|
|
|
|
2015-01-11 20:06:11 -08:00
|
|
|
#ifndef DISABLE_UHD
|
|
|
|
if (!prog_args.input_file_name) {
|
2015-04-21 02:09:08 -07:00
|
|
|
|
2015-01-11 20:06:11 -08:00
|
|
|
/* Set receiver gain */
|
2015-04-21 02:09:08 -07:00
|
|
|
if (prog_args.uhd_gain > 0) {
|
2015-04-21 12:05:51 -07:00
|
|
|
printf("Opening UHD device...\n");
|
2015-05-16 14:24:18 -07:00
|
|
|
if (cuhd_open(prog_args.uhd_args, &uhd)) {
|
2015-04-21 12:05:51 -07:00
|
|
|
fprintf(stderr, "Error opening uhd\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
2015-04-21 02:09:08 -07:00
|
|
|
cuhd_set_rx_gain(uhd, prog_args.uhd_gain);
|
|
|
|
} else {
|
2015-04-21 12:05:51 -07:00
|
|
|
printf("Opening UHD device with threaded RX Gain control ...\n");
|
2015-05-16 14:24:18 -07:00
|
|
|
if (cuhd_open_th(prog_args.uhd_args, &uhd, false)) {
|
2015-04-21 12:05:51 -07:00
|
|
|
fprintf(stderr, "Error opening uhd\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
cuhd_set_rx_gain(uhd, 50);
|
|
|
|
cell_detect_config.init_agc = 50;
|
2015-04-21 02:09:08 -07:00
|
|
|
}
|
2015-01-11 20:06:11 -08:00
|
|
|
|
2015-09-30 08:36:56 -07:00
|
|
|
cuhd_set_master_clock_rate(uhd, 30.72e6);
|
|
|
|
|
2015-01-11 20:06:11 -08:00
|
|
|
/* set receiver frequency */
|
2015-03-05 09:36:15 -08:00
|
|
|
cuhd_set_rx_freq_offset(uhd, (double) prog_args.uhd_freq, prog_args.uhd_freq_offset);
|
2015-01-11 20:06:11 -08:00
|
|
|
cuhd_rx_wait_lo_locked(uhd);
|
|
|
|
printf("Tunning receiver to %.3f MHz\n", (double ) prog_args.uhd_freq/1000000);
|
|
|
|
|
2015-04-21 12:05:51 -07:00
|
|
|
uint32_t ntrial=0;
|
|
|
|
do {
|
|
|
|
ret = cuhd_search_and_decode_mib(uhd, &cell_detect_config, prog_args.force_N_id_2, &cell);
|
|
|
|
if (ret < 0) {
|
|
|
|
fprintf(stderr, "Error searching for cell\n");
|
|
|
|
exit(-1);
|
|
|
|
} else if (ret == 0) {
|
|
|
|
printf("Cell not found after %d trials. Trying again (Press Ctrl+C to exit)\n", ntrial++);
|
|
|
|
}
|
|
|
|
} while (ret == 0);
|
2015-01-11 20:06:11 -08:00
|
|
|
|
|
|
|
/* set sampling frequency */
|
2015-03-18 05:59:29 -07:00
|
|
|
int srate = srslte_sampling_freq_hz(cell.nof_prb);
|
2015-09-30 08:36:56 -07:00
|
|
|
|
2015-01-11 20:06:11 -08:00
|
|
|
if (srate != -1) {
|
2015-09-30 08:36:56 -07:00
|
|
|
if (srate < 10e6) {
|
2015-09-25 10:12:43 -07:00
|
|
|
cuhd_set_master_clock_rate(uhd, 4*srate);
|
|
|
|
} else {
|
|
|
|
cuhd_set_master_clock_rate(uhd, srate);
|
2015-09-10 02:42:27 -07:00
|
|
|
}
|
2015-09-30 08:36:56 -07:00
|
|
|
printf("Setting sampling rate %.2f MHz\n", (float) srate/1000000);
|
|
|
|
float srate_uhd = cuhd_set_rx_srate(uhd, (double) srate);
|
|
|
|
if (srate_uhd != srate) {
|
|
|
|
fprintf(stderr, "Could not set sampling rate\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
2015-01-11 20:06:11 -08:00
|
|
|
} else {
|
|
|
|
fprintf(stderr, "Invalid number of PRB %d\n", cell.nof_prb);
|
2015-09-30 08:36:56 -07:00
|
|
|
exit(-1);
|
2015-01-11 20:06:11 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
INFO("Stopping UHD and flushing buffer...\r",0);
|
|
|
|
cuhd_stop_rx_stream(uhd);
|
2015-04-08 03:42:31 -07:00
|
|
|
cuhd_flush_buffer(uhd);
|
2014-12-11 15:04:21 -08:00
|
|
|
}
|
2015-01-11 20:06:11 -08:00
|
|
|
#endif
|
2015-04-08 03:42:31 -07:00
|
|
|
|
2015-01-11 20:06:11 -08:00
|
|
|
/* If reading from file, go straight to PDSCH decoding. Otherwise, decode MIB first */
|
|
|
|
if (prog_args.input_file_name) {
|
|
|
|
/* preset cell configuration */
|
2015-04-05 12:03:01 -07:00
|
|
|
cell.id = prog_args.file_cell_id;
|
2015-04-05 07:32:35 -07:00
|
|
|
cell.cp = SRSLTE_CP_NORM;
|
2015-03-18 05:59:29 -07:00
|
|
|
cell.phich_length = SRSLTE_PHICH_NORM;
|
|
|
|
cell.phich_resources = SRSLTE_PHICH_R_1;
|
2015-04-05 12:03:01 -07:00
|
|
|
cell.nof_ports = prog_args.file_nof_ports;
|
2015-01-11 20:06:11 -08:00
|
|
|
cell.nof_prb = prog_args.file_nof_prb;
|
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_ue_sync_init_file(&ue_sync, prog_args.file_nof_prb, prog_args.input_file_name)) {
|
2015-01-11 20:06:11 -08:00
|
|
|
fprintf(stderr, "Error initiating ue_sync\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
2015-01-17 06:03:02 -08:00
|
|
|
#ifndef DISABLE_UHD
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_ue_sync_init(&ue_sync, cell, cuhd_recv_wrapper, uhd)) {
|
2015-01-11 20:06:11 -08:00
|
|
|
fprintf(stderr, "Error initiating ue_sync\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
2015-01-17 06:03:02 -08:00
|
|
|
#endif
|
2014-11-16 13:54:38 -08:00
|
|
|
}
|
2015-01-11 20:06:11 -08:00
|
|
|
|
2015-04-08 03:42:31 -07:00
|
|
|
state = DECODE_MIB;
|
|
|
|
|
|
|
|
if (srslte_ue_mib_init(&ue_mib, cell)) {
|
|
|
|
fprintf(stderr, "Error initaiting UE MIB decoder\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
2015-03-19 08:42:31 -07:00
|
|
|
if (srslte_ue_dl_init(&ue_dl, cell)) { // This is the User RNTI
|
2014-08-02 14:55:12 -07:00
|
|
|
fprintf(stderr, "Error initiating UE downlink processing module\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
2015-02-24 02:19:42 -08:00
|
|
|
|
2014-12-09 15:29:48 -08:00
|
|
|
/* Configure downlink receiver for the SI-RNTI since will be the only one we'll use */
|
2015-03-19 08:42:31 -07:00
|
|
|
srslte_ue_dl_set_rnti(&ue_dl, prog_args.rnti);
|
2014-11-16 13:54:38 -08:00
|
|
|
|
|
|
|
/* Initialize subframe counter */
|
|
|
|
sf_cnt = 0;
|
2014-11-17 05:04:30 -08:00
|
|
|
|
2014-11-24 08:46:38 -08:00
|
|
|
|
2015-01-11 20:06:11 -08:00
|
|
|
#ifndef DISABLE_GRAPHICS
|
2014-12-11 01:06:58 -08:00
|
|
|
if (!prog_args.disable_plots) {
|
2015-01-11 18:24:54 -08:00
|
|
|
init_plots(cell);
|
2014-12-11 01:06:58 -08:00
|
|
|
}
|
2015-01-11 20:06:11 -08:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifndef DISABLE_UHD
|
|
|
|
if (!prog_args.input_file_name) {
|
|
|
|
cuhd_start_rx_stream(uhd);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2014-12-09 15:29:48 -08:00
|
|
|
// Variables for measurements
|
|
|
|
uint32_t nframes=0;
|
2015-05-19 11:22:58 -07:00
|
|
|
float rsrp=0.0, rsrq=0.0, noise=0.0;
|
2015-05-18 12:00:47 -07:00
|
|
|
bool decode_pdsch = false;
|
2015-05-08 03:33:33 -07:00
|
|
|
|
|
|
|
#ifndef DISABLE_UHD
|
2015-04-21 02:09:08 -07:00
|
|
|
if (prog_args.uhd_gain < 0) {
|
2015-04-21 12:05:51 -07:00
|
|
|
srslte_ue_sync_start_agc(&ue_sync, cuhd_set_rx_gain_th, cell_detect_config.init_agc);
|
2015-04-21 02:09:08 -07:00
|
|
|
}
|
2015-05-08 03:33:33 -07:00
|
|
|
#endif
|
2015-05-18 12:00:47 -07:00
|
|
|
#ifdef PRINT_CHANGE_SCHEDULIGN
|
|
|
|
srslte_ra_dl_dci_t old_dl_dci;
|
|
|
|
bzero(&old_dl_dci, sizeof(srslte_ra_dl_dci_t));
|
|
|
|
#endif
|
|
|
|
|
2015-05-20 01:57:16 -07:00
|
|
|
ue_sync.correct_cfo = !prog_args.disable_cfo;
|
2015-09-10 02:42:27 -07:00
|
|
|
|
2015-04-08 11:47:52 -07:00
|
|
|
INFO("\nEntering main loop...\n\n", 0);
|
2014-07-21 07:19:17 -07:00
|
|
|
/* Main loop */
|
2014-12-09 15:29:48 -08:00
|
|
|
while (!go_exit && (sf_cnt < prog_args.nof_subframes || prog_args.nof_subframes == -1)) {
|
2014-08-02 14:55:12 -07:00
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
ret = srslte_ue_sync_get_buffer(&ue_sync, &sf_buffer);
|
2014-07-21 07:19:17 -07:00
|
|
|
if (ret < 0) {
|
2015-03-18 11:14:24 -07:00
|
|
|
fprintf(stderr, "Error calling srslte_ue_sync_work()\n");
|
2014-07-10 05:43:18 -07:00
|
|
|
}
|
2015-04-20 00:25:29 -07:00
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
/* srslte_ue_sync_get_buffer returns 1 if successfully read 1 aligned subframe */
|
2014-08-02 14:55:12 -07:00
|
|
|
if (ret == 1) {
|
2014-12-09 15:29:48 -08:00
|
|
|
switch (state) {
|
|
|
|
case DECODE_MIB:
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_ue_sync_get_sfidx(&ue_sync) == 0) {
|
2015-03-19 09:38:52 -07:00
|
|
|
srslte_pbch_decode_reset(&ue_mib.pbch);
|
|
|
|
n = srslte_ue_mib_decode(&ue_mib, sf_buffer, bch_payload, NULL, &sfn_offset);
|
2014-12-09 15:29:48 -08:00
|
|
|
if (n < 0) {
|
|
|
|
fprintf(stderr, "Error decoding UE MIB\n");
|
|
|
|
exit(-1);
|
2015-03-18 11:14:24 -07:00
|
|
|
} else if (n == SRSLTE_UE_MIB_FOUND) {
|
2015-03-19 09:38:52 -07:00
|
|
|
srslte_pbch_mib_unpack(bch_payload, &cell, &sfn);
|
2015-04-08 11:47:52 -07:00
|
|
|
srslte_cell_fprint(stdout, &cell, sfn);
|
2014-12-09 15:29:48 -08:00
|
|
|
printf("Decoded MIB. SFN: %d, offset: %d\n", sfn, sfn_offset);
|
|
|
|
sfn = (sfn + sfn_offset)%1024;
|
2014-12-26 15:36:32 -08:00
|
|
|
state = DECODE_PDSCH;
|
2014-12-09 15:29:48 -08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2014-12-26 15:36:32 -08:00
|
|
|
case DECODE_PDSCH:
|
2015-03-18 05:59:29 -07:00
|
|
|
if (prog_args.rnti != SRSLTE_SIRNTI) {
|
2015-06-04 02:48:13 -07:00
|
|
|
decode_pdsch = true;
|
2014-12-26 15:36:32 -08:00
|
|
|
} else {
|
2015-05-18 12:00:47 -07:00
|
|
|
/* We are looking for SIB1 Blocks, 2search only in appropiate places */
|
2015-03-18 11:14:24 -07:00
|
|
|
if ((srslte_ue_sync_get_sfidx(&ue_sync) == 5 && (sfn%2)==0)) {
|
2014-12-26 15:36:32 -08:00
|
|
|
decode_pdsch = true;
|
|
|
|
} else {
|
|
|
|
decode_pdsch = false;
|
|
|
|
}
|
|
|
|
}
|
2015-09-24 01:23:15 -07:00
|
|
|
|
2014-12-26 15:36:32 -08:00
|
|
|
if (decode_pdsch) {
|
2015-03-18 05:59:29 -07:00
|
|
|
if (prog_args.rnti != SRSLTE_SIRNTI) {
|
2015-08-06 17:18:47 -07:00
|
|
|
n = srslte_ue_dl_decode(&ue_dl, &sf_buffer[prog_args.time_offset], data, srslte_ue_sync_get_sfidx(&ue_sync));
|
2014-12-26 15:36:32 -08:00
|
|
|
} else {
|
2015-08-06 17:18:47 -07:00
|
|
|
n = srslte_ue_dl_decode_rnti_rv(&ue_dl, &sf_buffer[prog_args.time_offset], data,
|
|
|
|
srslte_ue_sync_get_sfidx(&ue_sync),
|
2015-04-05 12:03:01 -07:00
|
|
|
SRSLTE_SIRNTI, ((int) ceilf((float)3*(((sfn)/2)%4)/2))%4);
|
2014-12-26 15:36:32 -08:00
|
|
|
}
|
2014-12-09 15:29:48 -08:00
|
|
|
if (n < 0) {
|
2015-01-17 05:20:59 -08:00
|
|
|
// fprintf(stderr, "Error decoding UE DL\n");fflush(stdout);
|
2014-12-26 15:36:32 -08:00
|
|
|
} else if (n > 0) {
|
|
|
|
/* Send data if socket active */
|
2015-01-08 18:28:05 -08:00
|
|
|
if (prog_args.net_port > 0) {
|
2015-03-18 08:05:38 -07:00
|
|
|
srslte_netsink_write(&net_sink, data, 1+(n-1)/8);
|
2014-12-26 15:36:32 -08:00
|
|
|
}
|
2015-05-18 12:00:47 -07:00
|
|
|
|
|
|
|
#ifdef PRINT_CHANGE_SCHEDULIGN
|
|
|
|
if (ue_dl.dl_dci.mcs_idx != old_dl_dci.mcs_idx ||
|
2015-05-20 10:17:01 -07:00
|
|
|
memcmp(&ue_dl.dl_dci.type0_alloc, &old_dl_dci.type0_alloc, sizeof(srslte_ra_type0_t)) ||
|
|
|
|
memcmp(&ue_dl.dl_dci.type1_alloc, &old_dl_dci.type1_alloc, sizeof(srslte_ra_type1_t)) ||
|
|
|
|
memcmp(&ue_dl.dl_dci.type2_alloc, &old_dl_dci.type2_alloc, sizeof(srslte_ra_type2_t)))
|
2015-05-18 12:00:47 -07:00
|
|
|
{
|
|
|
|
memcpy(&old_dl_dci, &ue_dl.dl_dci, sizeof(srslte_ra_dl_dci_t));
|
|
|
|
fflush(stdout);printf("\nCFI:\t%d\n", ue_dl.cfi);
|
|
|
|
printf("Format: %s\n", srslte_dci_format_string(ue_dl.dci_format));
|
|
|
|
srslte_ra_pdsch_fprint(stdout, &old_dl_dci, cell.nof_prb);
|
|
|
|
srslte_ra_dl_grant_fprint(stdout, &ue_dl.pdsch_cfg.grant);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2014-12-26 15:36:32 -08:00
|
|
|
}
|
2015-05-18 12:00:47 -07:00
|
|
|
|
2014-12-09 15:29:48 -08:00
|
|
|
nof_trials++;
|
2014-12-17 00:26:58 -08:00
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
rsrq = SRSLTE_VEC_EMA(srslte_chest_dl_get_rsrq(&ue_dl.chest), rsrq, 0.05);
|
|
|
|
rsrp = SRSLTE_VEC_EMA(srslte_chest_dl_get_rsrp(&ue_dl.chest), rsrp, 0.05);
|
2015-05-19 11:22:58 -07:00
|
|
|
noise = SRSLTE_VEC_EMA(srslte_chest_dl_get_noise_estimate(&ue_dl.chest), noise, 0.05);
|
2014-12-17 00:26:58 -08:00
|
|
|
nframes++;
|
|
|
|
if (isnan(rsrq)) {
|
|
|
|
rsrq = 0;
|
|
|
|
}
|
2015-05-19 11:22:58 -07:00
|
|
|
if (isnan(noise)) {
|
|
|
|
noise = 0;
|
2015-01-14 18:16:35 -08:00
|
|
|
}
|
|
|
|
if (isnan(rsrp)) {
|
|
|
|
rsrp = 0;
|
2015-05-19 11:22:58 -07:00
|
|
|
}
|
2015-01-12 20:01:35 -08:00
|
|
|
}
|
2015-04-20 00:25:29 -07:00
|
|
|
|
2014-12-09 15:29:48 -08:00
|
|
|
// Plot and Printf
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_ue_sync_get_sfidx(&ue_sync) == 5) {
|
2015-04-21 12:05:51 -07:00
|
|
|
float gain = prog_args.uhd_gain;
|
|
|
|
if (gain < 0) {
|
|
|
|
gain = 10*log10(srslte_agc_get_gain(&ue_sync.agc));
|
|
|
|
}
|
2015-05-20 10:17:01 -07:00
|
|
|
printf("CFO: %+6.2f KHz, "
|
|
|
|
"SNR: %4.1f dB, "
|
|
|
|
"PDCCH-Miss: %5.2f%%, PDSCH-BLER: %5.2f%%\r",
|
|
|
|
|
|
|
|
srslte_ue_sync_get_cfo(&ue_sync)/1000,
|
2015-05-19 11:22:58 -07:00
|
|
|
10*log10(rsrp/noise),
|
2015-04-21 12:05:51 -07:00
|
|
|
100*(1-(float) ue_dl.nof_detected/nof_trials),
|
2015-05-20 10:17:01 -07:00
|
|
|
(float) 100*ue_dl.pkt_errors/ue_dl.pkts_total);
|
2014-12-09 15:29:48 -08:00
|
|
|
}
|
|
|
|
break;
|
2014-07-21 07:19:17 -07:00
|
|
|
}
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_ue_sync_get_sfidx(&ue_sync) == 9) {
|
2014-11-24 08:46:38 -08:00
|
|
|
sfn++;
|
|
|
|
if (sfn == 1024) {
|
|
|
|
sfn = 0;
|
2015-01-12 20:01:35 -08:00
|
|
|
}
|
2014-08-02 14:55:12 -07:00
|
|
|
}
|
2015-01-14 18:16:35 -08:00
|
|
|
|
2014-12-09 15:29:48 -08:00
|
|
|
#ifndef DISABLE_GRAPHICS
|
2015-01-11 18:24:54 -08:00
|
|
|
if (!prog_args.disable_plots) {
|
2015-05-19 08:45:30 -07:00
|
|
|
if ((sfn%4) == 0 && decode_pdsch) {
|
2015-05-18 12:00:47 -07:00
|
|
|
plot_sf_idx = srslte_ue_sync_get_sfidx(&ue_sync);
|
2015-09-25 10:12:43 -07:00
|
|
|
plot_track = true;
|
2015-05-18 12:00:47 -07:00
|
|
|
sem_post(&plot_sem);
|
|
|
|
}
|
2014-12-09 15:29:48 -08:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
} else if (ret == 0) {
|
|
|
|
printf("Finding PSS... Peak: %8.1f, FrameCnt: %d, State: %d\r",
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_sync_get_peak_value(&ue_sync.sfind),
|
2014-12-09 15:29:48 -08:00
|
|
|
ue_sync.frame_total_cnt, ue_sync.state);
|
2015-09-25 10:12:43 -07:00
|
|
|
#ifndef DISABLE_GRAPHICS
|
|
|
|
if (!prog_args.disable_plots) {
|
|
|
|
plot_sf_idx = srslte_ue_sync_get_sfidx(&ue_sync);
|
|
|
|
plot_track = false;
|
|
|
|
sem_post(&plot_sem);
|
|
|
|
}
|
|
|
|
#endif
|
2014-11-17 05:04:30 -08:00
|
|
|
}
|
2014-12-09 15:29:48 -08:00
|
|
|
|
2014-08-02 14:55:12 -07:00
|
|
|
sf_cnt++;
|
|
|
|
} // Main loop
|
2014-12-09 15:29:48 -08:00
|
|
|
|
2015-04-09 01:38:42 -07:00
|
|
|
#ifndef DISABLE_GRAPHICS
|
2015-04-08 08:59:14 -07:00
|
|
|
if (!prog_args.disable_plots) {
|
|
|
|
if (!pthread_kill(plot_thread, 0)) {
|
|
|
|
pthread_kill(plot_thread, SIGHUP);
|
|
|
|
pthread_join(plot_thread, NULL);
|
|
|
|
}
|
|
|
|
}
|
2015-04-09 01:38:42 -07:00
|
|
|
#endif
|
2015-03-19 08:42:31 -07:00
|
|
|
srslte_ue_dl_free(&ue_dl);
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_ue_sync_free(&ue_sync);
|
2015-01-11 20:06:11 -08:00
|
|
|
|
|
|
|
#ifndef DISABLE_UHD
|
|
|
|
if (!prog_args.input_file_name) {
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_ue_mib_free(&ue_mib);
|
2015-01-11 20:06:11 -08:00
|
|
|
cuhd_close(uhd);
|
|
|
|
}
|
|
|
|
#endif
|
2014-07-21 07:19:17 -07:00
|
|
|
printf("\nBye\n");
|
|
|
|
exit(0);
|
2014-06-27 09:36:25 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-11-16 13:54:38 -08:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-07-21 07:19:17 -07:00
|
|
|
/**********************************************************************
|
|
|
|
* Plotting Functions
|
|
|
|
***********************************************************************/
|
|
|
|
#ifndef DISABLE_GRAPHICS
|
2014-06-27 09:36:25 -07:00
|
|
|
|
|
|
|
|
2015-01-14 18:16:35 -08:00
|
|
|
//plot_waterfall_t poutfft;
|
2015-05-18 12:00:47 -07:00
|
|
|
plot_real_t p_sync, pce, pce_arg;
|
2014-12-11 01:06:58 -08:00
|
|
|
plot_scatter_t pscatequal, pscatequal_pdcch;
|
2014-06-27 09:36:25 -07:00
|
|
|
|
2015-04-05 07:32:35 -07:00
|
|
|
float tmp_plot[SRSLTE_SLOT_LEN_RE(SRSLTE_MAX_PRB, SRSLTE_CP_NORM)];
|
|
|
|
float tmp_plot2[SRSLTE_SLOT_LEN_RE(SRSLTE_MAX_PRB, SRSLTE_CP_NORM)];
|
|
|
|
float tmp_plot3[SRSLTE_SLOT_LEN_RE(SRSLTE_MAX_PRB, SRSLTE_CP_NORM)];
|
2014-06-27 09:36:25 -07:00
|
|
|
|
2015-01-12 20:01:35 -08:00
|
|
|
void *plot_thread_run(void *arg) {
|
|
|
|
int i;
|
2015-03-18 05:59:29 -07:00
|
|
|
uint32_t nof_re = SRSLTE_SF_LEN_RE(ue_dl.cell.nof_prb, ue_dl.cell.cp);
|
2015-01-12 20:01:35 -08:00
|
|
|
|
2015-05-18 12:00:47 -07:00
|
|
|
|
|
|
|
sdrgui_init();
|
|
|
|
|
|
|
|
//plot_waterfall_init(&poutfft, SRSLTE_NRE * ue_dl.cell.nof_prb, 1000);
|
|
|
|
//plot_waterfall_setTitle(&poutfft, "Output FFT - Magnitude");
|
|
|
|
//plot_waterfall_setPlotYAxisScale(&poutfft, -40, 40);
|
|
|
|
|
|
|
|
if (!prog_args.disable_plots_except_constellation) {
|
|
|
|
plot_real_init(&pce);
|
|
|
|
plot_real_setTitle(&pce, "Channel Response - Magnitude");
|
|
|
|
plot_real_setLabels(&pce, "Index", "dB");
|
|
|
|
plot_real_setYAxisScale(&pce, -40, 40);
|
|
|
|
|
|
|
|
#ifdef PLOT_CHEST_ARGUMENT
|
|
|
|
plot_real_init(&pce_arg);
|
|
|
|
plot_real_setTitle(&pce_arg, "Channel Response - Argument");
|
|
|
|
plot_real_setLabels(&pce_arg, "Index", "rad");
|
|
|
|
plot_real_setYAxisScale(&pce_arg, -1.1*M_PI, 1.1*M_PI);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
plot_real_init(&p_sync);
|
|
|
|
plot_real_setTitle(&p_sync, "PSS Cross-Corr abs value");
|
|
|
|
plot_real_setYAxisScale(&p_sync, 0, 1);
|
|
|
|
|
|
|
|
plot_scatter_init(&pscatequal_pdcch);
|
|
|
|
plot_scatter_setTitle(&pscatequal_pdcch, "PDCCH - Equalized Symbols");
|
|
|
|
plot_scatter_setXAxisScale(&pscatequal_pdcch, -4, 4);
|
|
|
|
plot_scatter_setYAxisScale(&pscatequal_pdcch, -4, 4);
|
|
|
|
}
|
|
|
|
|
|
|
|
plot_scatter_init(&pscatequal);
|
|
|
|
plot_scatter_setTitle(&pscatequal, "PDSCH - Equalized Symbols");
|
|
|
|
plot_scatter_setXAxisScale(&pscatequal, -4, 4);
|
|
|
|
plot_scatter_setYAxisScale(&pscatequal, -4, 4);
|
|
|
|
|
|
|
|
|
2015-01-12 20:01:35 -08:00
|
|
|
while(1) {
|
|
|
|
sem_wait(&plot_sem);
|
|
|
|
|
2015-06-09 10:21:52 -07:00
|
|
|
uint32_t nof_symbols = ue_dl.pdsch_cfg.nbits.nof_re;
|
2015-05-18 12:00:47 -07:00
|
|
|
if (!prog_args.disable_plots_except_constellation) {
|
|
|
|
for (i = 0; i < nof_re; i++) {
|
|
|
|
tmp_plot[i] = 20 * log10f(cabsf(ue_dl.sf_symbols[i]));
|
|
|
|
if (isinf(tmp_plot[i])) {
|
|
|
|
tmp_plot[i] = -80;
|
|
|
|
}
|
2015-01-12 20:01:35 -08:00
|
|
|
}
|
2015-05-26 02:48:04 -07:00
|
|
|
for (i = 0; i < 4*12*ue_dl.cell.nof_prb; i++) {
|
|
|
|
tmp_plot2[i] = 20 * log10f(cabsf(ue_dl.ce[0][i]));
|
2015-05-18 12:00:47 -07:00
|
|
|
if (isinf(tmp_plot2[i])) {
|
|
|
|
tmp_plot2[i] = -80;
|
|
|
|
}
|
2015-01-12 20:01:35 -08:00
|
|
|
}
|
2015-05-18 12:00:47 -07:00
|
|
|
|
2015-05-26 02:48:04 -07:00
|
|
|
plot_real_setNewData(&pce, tmp_plot2, 4*12*ue_dl.cell.nof_prb);
|
|
|
|
|
2015-05-18 12:00:47 -07:00
|
|
|
if (!prog_args.input_file_name) {
|
2015-09-25 10:12:43 -07:00
|
|
|
if (plot_track) {
|
|
|
|
int max = srslte_vec_max_fi(ue_sync.strack.pss.conv_output_avg, ue_sync.strack.pss.frame_size+ue_sync.strack.pss.fft_size-1);
|
|
|
|
srslte_vec_sc_prod_fff(ue_sync.strack.pss.conv_output_avg,
|
|
|
|
1/ue_sync.strack.pss.conv_output_avg[max],
|
|
|
|
tmp_plot2,
|
|
|
|
ue_sync.strack.pss.frame_size+ue_sync.strack.pss.fft_size-1);
|
|
|
|
plot_real_setNewData(&p_sync, tmp_plot2, ue_sync.strack.pss.frame_size);
|
|
|
|
} else {
|
|
|
|
int max = srslte_vec_max_fi(ue_sync.sfind.pss.conv_output_avg, ue_sync.sfind.pss.frame_size+ue_sync.sfind.pss.fft_size-1);
|
|
|
|
srslte_vec_sc_prod_fff(ue_sync.sfind.pss.conv_output_avg,
|
|
|
|
1/ue_sync.sfind.pss.conv_output_avg[max],
|
|
|
|
tmp_plot2,
|
|
|
|
ue_sync.sfind.pss.frame_size+ue_sync.sfind.pss.fft_size-1);
|
|
|
|
plot_real_setNewData(&p_sync, tmp_plot2, ue_sync.sfind.pss.frame_size);
|
|
|
|
}
|
2015-05-18 12:00:47 -07:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef PLOT_CHEST_ARGUMENT
|
2015-05-26 02:48:04 -07:00
|
|
|
for (i = 0; i < 2*12*ue_dl.cell.nof_prb; i++) {
|
|
|
|
tmp_plot2[i] = cargf(ue_dl.ce[0][i]);
|
2015-05-18 12:00:47 -07:00
|
|
|
}
|
2015-05-26 02:48:04 -07:00
|
|
|
plot_real_setNewData(&pce_arg, tmp_plot2, 2*12*ue_dl.cell.nof_prb);
|
2015-05-18 12:00:47 -07:00
|
|
|
#endif
|
2015-01-12 20:01:35 -08:00
|
|
|
|
2015-05-19 08:45:30 -07:00
|
|
|
plot_scatter_setNewData(&pscatequal_pdcch, ue_dl.pdcch.d, 36*ue_dl.pdcch.nof_cce);
|
2015-01-12 20:01:35 -08:00
|
|
|
}
|
|
|
|
|
2015-05-19 08:45:30 -07:00
|
|
|
plot_scatter_setNewData(&pscatequal, ue_dl.pdsch.d, nof_symbols);
|
2015-01-12 20:01:35 -08:00
|
|
|
|
2015-01-14 18:16:35 -08:00
|
|
|
if (plot_sf_idx == 1) {
|
|
|
|
if (prog_args.net_port_signal > 0) {
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_netsink_write(&net_sink_signal, &sf_buffer[srslte_ue_sync_sf_len(&ue_sync)/7],
|
|
|
|
srslte_ue_sync_sf_len(&ue_sync));
|
2015-01-14 18:16:35 -08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-01-12 20:01:35 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
void init_plots() {
|
|
|
|
|
|
|
|
if (sem_init(&plot_sem, 0, 0)) {
|
|
|
|
perror("sem_init");
|
|
|
|
exit(-1);
|
2015-01-11 20:06:11 -08:00
|
|
|
}
|
2014-12-11 01:06:58 -08:00
|
|
|
|
2015-05-18 12:00:47 -07:00
|
|
|
pthread_attr_t attr;
|
|
|
|
struct sched_param param;
|
|
|
|
param.sched_priority = 0;
|
|
|
|
pthread_attr_init(&attr);
|
|
|
|
pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
|
|
|
|
pthread_attr_setschedparam(&attr, ¶m);
|
2015-01-12 20:01:35 -08:00
|
|
|
if (pthread_create(&plot_thread, NULL, plot_thread_run, NULL)) {
|
|
|
|
perror("pthread_create");
|
|
|
|
exit(-1);
|
|
|
|
}
|
2014-06-27 09:36:25 -07:00
|
|
|
}
|
|
|
|
|
2014-07-21 07:19:17 -07:00
|
|
|
#endif
|