mirror of https://github.com/PentHertz/srsLTE.git
158 lines
3.4 KiB
C
158 lines
3.4 KiB
C
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2014 The libLTE Developers. See the
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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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* This file is part of the libLTE library.
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*
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* libLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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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* libLTE 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 Lesser General Public License for more details.
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*
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* A copy of the GNU Lesser 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 <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 "lte.h"
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int cell_id = -1;
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int nof_prb = 6;
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int nof_ports = 1;
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void usage(char *prog) {
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printf("Usage: %s [cpv]\n", prog);
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printf("\t-c cell id [Default %d]\n", cell_id);
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printf("\t-p nof_ports [Default %d]\n", nof_ports);
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printf("\t-n nof_prb [Default %d]\n", nof_prb);
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printf("\t-v [set verbose to debug, default none]\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, "cpnv")) != -1) {
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switch(opt) {
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case 'p':
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nof_ports = atoi(argv[optind]);
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break;
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case 'n':
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nof_prb = atoi(argv[optind]);
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break;
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case 'c':
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cell_id = atoi(argv[optind]);
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break;
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case 'v':
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verbose++;
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break;
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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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pcfich_t pcfich;
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regs_t regs;
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int i, j;
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cf_t *ce[MAX_PORTS_CTRL];
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int nof_re;
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cf_t *slot_symbols[MAX_PORTS_CTRL];
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int cfi, cfi_rx, nsf, distance;
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int cid, max_cid;
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parse_args(argc,argv);
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nof_re = CPNORM_NSYMB * nof_prb * RE_X_RB;
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/* init memory */
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for (i=0;i<MAX_PORTS_CTRL;i++) {
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ce[i] = malloc(sizeof(cf_t) * nof_re);
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if (!ce[i]) {
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perror("malloc");
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exit(-1);
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}
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for (j=0;j<nof_re;j++) {
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ce[i][j] = 1;
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}
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slot_symbols[i] = malloc(sizeof(cf_t) * nof_re);
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if (!slot_symbols[i]) {
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perror("malloc");
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exit(-1);
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}
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}
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if (cell_id == -1) {
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cid = 0;
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max_cid = 503;
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} else {
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cid = cell_id;
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max_cid = cell_id;
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}
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while(cid <= max_cid) {
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printf("Testing CellID=%d...\n", cid);
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if (regs_init(®s, cid, nof_prb, nof_ports, R_1, PHICH_NORM, CPNORM)) {
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fprintf(stderr, "Error initiating regs\n");
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exit(-1);
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}
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if (pcfich_init(&pcfich, ®s, cid, nof_prb, nof_ports, CPNORM)) {
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fprintf(stderr, "Error creating PBCH object\n");
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exit(-1);
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}
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for (nsf=0;nsf<10;nsf++) {
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for (cfi=1;cfi<4;cfi++) {
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pcfich_encode(&pcfich, cfi, slot_symbols, nsf);
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/* combine outputs */
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for (i=1;i<nof_ports;i++) {
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for (j=0;j<nof_re;j++) {
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slot_symbols[0][j] += slot_symbols[i][j];
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}
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}
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if (pcfich_decode(&pcfich, slot_symbols[0], ce, nsf, &cfi_rx, &distance)<0) {
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exit(-1);
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}
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INFO("cfi_tx: %d, cfi_rx: %d, ns: %d, distance: %d\n",
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cfi, cfi_rx, nsf, distance);
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if (distance) {
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printf("Error\n");
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exit(-1);
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}
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}
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}
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pcfich_free(&pcfich);
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regs_free(®s);
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cid++;
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}
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for (i=0;i<MAX_PORTS_CTRL;i++) {
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free(ce[i]);
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free(slot_symbols[i]);
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}
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printf("OK\n");
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exit(0);
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}
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