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demod_pzvei.c
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demod_pzvei.c
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/*
* demod_pzvei.c
*
* Copyright (C) 2013
* Elias Oenal ([email protected])
*
* 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 pzvei_freq[16] = {
PHINC(2400), PHINC(1060), PHINC(1160), PHINC(1270),
PHINC(1400), PHINC(1530), PHINC(1670), PHINC(1830),
PHINC(2000), PHINC(2200), PHINC(970), PHINC(810),
PHINC(2800), PHINC(885), PHINC(2400), PHINC(680)
};
/* ---------------------------------------------------------------------- */
static void pzvei_init(struct demod_state *s)
{
selcall_init(s);
}
static void pzvei_deinit(struct demod_state *s)
{
selcall_deinit(s);
}
static void pzvei_demod(struct demod_state *s, buffer_t buffer, int length)
{
selcall_demod(s, buffer.fbuffer, length, pzvei_freq, demod_pzvei.name);
}
const struct demod_param demod_pzvei = {
"PZVEI", true, SAMPLE_RATE, 0, pzvei_init, pzvei_demod, pzvei_deinit
};