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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2011 - 2021 Teunis van Beelen
*
* Email: teuniz@protonmail.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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>.
*
***************************************************************************
*/
#ifndef ecg_filter_INCLUDED
#define ecg_filter_INCLUDED
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "pt_qrs.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ecg_filter_settings
{
struct pt_qrs_settings *pt_qrs,
*pt_qrs_bu;
int qrs_smpl_offset_old;
int smpl_n;
double sf;
double bpm;
double bitvalue;
int smpl_n_bu;
double bpm_bu;
int bu_filled;
double *stat_buf;
long long *stat_smpl_buf;
int stat_buf_idx;
int sample_cntr;
};
struct ecg_filter_settings * create_ecg_filter(double, double, double);
double run_ecg_filter(double, struct ecg_filter_settings *);
void free_ecg_filter(struct ecg_filter_settings *);
void ecg_filter_save_buf(struct ecg_filter_settings *);
void ecg_filter_restore_buf(struct ecg_filter_settings *);
void reset_ecg_filter(struct ecg_filter_settings *);
int ecg_filter_get_beat_cnt(struct ecg_filter_settings *);
long long * ecg_filter_get_onset_beatlist(struct ecg_filter_settings *);
double * ecg_filter_get_interval_beatlist(struct ecg_filter_settings *);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
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