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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/**
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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 <stdlib.h>
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#include <strings.h>
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#include "srslte/modem/demod_hard.h"
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#include "hard_demod_lte.h"
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void srslte_demod_hard_init(srslte_demod_hard_t* q) {
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bzero((void*) q, sizeof(srslte_demod_hard_t));
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}
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void srslte_demod_hard_table_set(srslte_demod_hard_t* q, srslte_mod_t mod) {
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q->mod = mod;
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}
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int srslte_demod_hard_demodulate(srslte_demod_hard_t* q, cf_t* symbols, uint8_t *bits, uint32_t nsymbols) {
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int nbits=-1;
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switch(q->mod) {
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case SRSLTE_MOD_BPSK:
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hard_bpsk_demod(symbols,bits,nsymbols);
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nbits=nsymbols;
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break;
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case SRSLTE_MOD_QPSK:
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hard_qpsk_demod(symbols,bits,nsymbols);
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nbits=nsymbols*2;
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break;
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case SRSLTE_MOD_16QAM:
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hard_qam16_demod(symbols,bits,nsymbols);
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nbits=nsymbols*4;
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break;
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case SRSLTE_MOD_64QAM:
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hard_qam64_demod(symbols,bits,nsymbols);
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nbits=nsymbols*6;
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break;
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}
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return nbits;
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}
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