71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/**
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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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#ifndef DEMOD_HARD_
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#define DEMOD_HARD_
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#include <complex.h>
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#include <stdint.h>
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#include "lte/config.h"
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#include "modem_table.h"
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typedef _Complex float cf_t;
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typedef struct LIBLTE_API {
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enum modem_std table; /* In this implementation, mapping table is hard-coded */
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}demod_hard_t;
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LIBLTE_API void demod_hard_init(demod_hard_t* q);
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LIBLTE_API void demod_hard_table_set(demod_hard_t* q, enum modem_std table);
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LIBLTE_API int demod_hard_demodulate(demod_hard_t* q, cf_t* symbols, char *bits, int nsymbols);
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/* High-level API */
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typedef struct LIBLTE_API {
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demod_hard_t obj;
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struct demod_hard_init {
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enum modem_std std; // Symbol mapping standard (see modem_table.h)
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} init;
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cf_t* input;
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int in_len;
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char* output;
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int out_len;
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}demod_hard_hl;
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LIBLTE_API int demod_hard_initialize(demod_hard_hl* hl);
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LIBLTE_API int demod_hard_work(demod_hard_hl* hl);
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LIBLTE_API int demod_hard_stop(demod_hard_hl* hl);
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#endif // DEMOD_HARD_
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