/* * Copyright (c) 2013, Ismael Gomez-Miguelez . * This file is part of OSLD-lib (http://https://github.com/ismagom/osld-lib) * * OSLD-lib is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * OSLD-lib is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with OSLD-lib. If not, see . */ #ifndef DEMOD_HARD_ #define DEMOD_HARD_ #include #include #include "modem_table.h" typedef _Complex float cf; typedef struct { enum modem_std table; /* In this implementation, mapping table is hard-coded */ }demod_hard_t; void demod_hard_init(demod_hard_t* q); void demod_hard_table(demod_hard_t* q, enum modem_std table); int demod_hard_demodulate(demod_hard_t* q, const cf* symbols, char *bits, int nsymbols); /* High-level API */ typedef struct { demod_hard_t obj; struct demod_hard_init { enum modem_std std; // Symbol mapping standard (see modem_table.h) } init; const cf* input; int in_len; char* output; int *out_len; }demod_hard_hl; int demod_hard_initialize(demod_hard_hl* hl); int demod_hard_work(demod_hard_hl* hl); #endif