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61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Copyright (c) 2013, Ismael Gomez-Miguelez <gomezi@tcd.ie>.
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* This file is part of OSLD-lib (http://https://github.com/ismagom/osld-lib)
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*
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* OSLD-lib 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 published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OSLD-lib 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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* You should have received a copy of the GNU Lesser General Public License
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* along with OSLD-lib. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BINSOURCE_
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#define BINSOURCE_
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#include <stdint.h>
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/* Low-level API */
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typedef struct {
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unsigned int seed;
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uint32_t *seq_buff;
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int seq_buff_nwords;
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int seq_cache_nbits;
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int seq_cache_rp;
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}binsource_t;
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void binsource_init(binsource_t* q);
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void binsource_free(binsource_t* q);
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void binsource_seed_set(binsource_t* q, unsigned int seed);
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void binsource_seed_time(binsource_t *q);
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int binsource_cache_gen(binsource_t* q, int nbits);
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void binsource_cache_cpy(binsource_t* q, char *bits, int nbits);
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int binsource_generate(binsource_t* q, char *bits, int nbits);
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/* High-level API */
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typedef struct {
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binsource_t obj;
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struct binsource_init {
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int cache_seq_nbits; // If non-zero, generates random bits on init
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unsigned int seed; // If non-zero, uses as random seed, otherwise local time is used.
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} init;
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struct binsource_ctrl_in {
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int nbits; // Number of bits to generate
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} ctrl_in;
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char* output;
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int* out_len;
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}binsource_hl;
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int binsource_initialize(binsource_hl* h);
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int binsource_work( binsource_hl* hl);
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int binsource_stop(binsource_hl* hl);
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#endif
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