mirror of https://github.com/PentHertz/srsLTE.git
130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 The srsLTE 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 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 <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 <time.h>
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#include <sys/time.h>
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#include <time.h>
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#include "srslte/srslte.h"
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uint32_t long_cb = 0;
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void usage(char *prog) {
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printf("Usage: %s\n", prog);
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printf("\t-l long_cb [Default check all]\n", long_cb);
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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, "lv")) != -1) {
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switch (opt) {
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case 'l':
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long_cb = atoi(argv[optind]);
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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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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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uint8_t input_bytes[6144/8];
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uint8_t input_bits[6144];
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uint8_t parity[3*6144+12];
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uint8_t parity_bits[3*6144+12];
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uint8_t output_bits[3*6144+12];
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uint8_t output_bits2[3*6144+12];
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int main(int argc, char **argv) {
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parse_args(argc, argv);
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srslte_tcod_gentable();
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srslte_tcod_t tcod;
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srslte_tcod_init(&tcod, 6144);
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uint32_t st=0, end=187;
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if (long_cb) {
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st=srslte_cbsegm_cbindex(long_cb);
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end=st;
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}
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for (uint32_t len=st;len<=end;len++) {
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long_cb = srslte_cbsegm_cbsize(len);
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printf("Checking long_cb=%d\n", long_cb);
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for (int i=0;i<long_cb/8;i++) {
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input_bytes[i] = rand()%256;
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}
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srslte_bit_unpack_vector(input_bytes, input_bits, long_cb);
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if (SRSLTE_VERBOSE_ISINFO()) {
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printf("Input bits:\n");
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for (int i=0;i<long_cb/8;i++) {
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srslte_vec_fprint_b(stdout, &input_bits[i*8], 8);
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}
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}
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srslte_tcod_encode(&tcod, input_bits, output_bits, long_cb);
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srslte_tcod_encode_lut(&tcod, input_bytes, parity, len);
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srslte_bit_unpack_vector(parity, parity_bits, 2*(long_cb+4));
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for (int i=0;i<long_cb;i++) {
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output_bits2[3*i] = input_bits[i];
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output_bits2[3*i+1] = parity_bits[i];
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output_bits2[3*i+2] = parity_bits[i+long_cb+4];
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}
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if (SRSLTE_VERBOSE_ISINFO()) {
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srslte_vec_fprint_b(stdout, output_bits2, 3*long_cb);
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srslte_vec_fprint_b(stdout, output_bits, 3*long_cb);
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printf("\n");
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}
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for (int i=0;i<2*long_cb;i++) {
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if (output_bits2[long_cb+i] != output_bits[long_cb+i]) {
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printf("error in bit %d, len=%d\n", i, len);
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exit(-1);
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}
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}
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}
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srslte_tcod_free(&tcod);
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printf("Done\n");
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exit(0);
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}
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