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/*
* demod_eea.c
*
* Copyright (C) 2013
* Elias Oenal (EliasOenal@gmail.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define SAMPLE_RATE 22050
#define PHINC(x) ((x)*0x10000/SAMPLE_RATE)
#include "multimon.h"
static const unsigned int eea_freq[16] = {
PHINC(1981), PHINC(1124), PHINC(1197), PHINC(1275),
PHINC(1358), PHINC(1446), PHINC(1540), PHINC(1640),
PHINC(1747), PHINC(1860), PHINC(1055), PHINC(930),
PHINC(2400), PHINC(991), PHINC(2110), PHINC(2247)
};
/* ---------------------------------------------------------------------- */
static void eea_init(struct demod_state *s)
{
selcall_init(s);
}
static void eea_deinit(struct demod_state *s)
{
selcall_deinit(s);
}
static void eea_demod(struct demod_state *s, buffer_t buffer, int length)
{
selcall_demod(s, buffer.fbuffer, length, eea_freq, demod_eea.name);
}
const struct demod_param demod_eea = {
"EEA", true, SAMPLE_RATE, 0, eea_init, eea_demod, eea_deinit
};
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