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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2011, 2012, 2013, 2014, 2015, 2016 Teunis van Beelen
*
* Email: teuniz@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 3 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, see <http://www.gnu.org/licenses/>.
*
***************************************************************************
*/
#ifndef ecg_filter_INCLUDED
#define ecg_filter_INCLUDED
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
struct ecg_filter_settings{
int avgfilter_50_size;
double *avgfilter_50_buf;
int avgfilter_50_idx;
double avgfilter_50_mean;
double *avgfilter_50_buf_bu;
int avgfilter_50_idx_bu;
double avgfilter_50_mean_bu;
int avgfilter_35_size;
double *avgfilter_35_buf;
int avgfilter_35_idx;
double avgfilter_35_mean;
double *avgfilter_35_buf_bu;
int avgfilter_35_idx_bu;
double avgfilter_35_mean_bu;
int avgfilter_25_size;
double *avgfilter_25_buf;
int avgfilter_25_idx;
double avgfilter_25_mean;
double *avgfilter_25_buf_bu;
int avgfilter_25_idx_bu;
double avgfilter_25_mean_bu;
double *SV;
int SV_sz;
int SV_idx;
double SV_bu[3];
int SV_idx_bu;
int runin;
int runin_bu;
int M_startslope;
int M_endslope;
int smpl_n;
double M[5];
int M_idx;
double M_avg;
double drain;
double top;
double sf;
double *F;
int F_size;
int F_idx;
int F_wd;
double F_value;
double F_sf_factor;
int R[5];
int R_idx;
int R_avg;
double R_value;
int R_startslope;
int R_endslope;
double bpm;
double bitvalue;
int M_startslope_bu;
int M_endslope_bu;
int smpl_n_bu;
double M_bu[5];
int M_idx_bu;
double M_avg_bu;
double drain_bu;
double top_bu;
double *F_bu;
int F_idx_bu;
double F_value_bu;
int R_bu[5];
int R_idx_bu;
int R_avg_bu;
double R_value_bu;
int R_startslope_bu;
int R_endslope_bu;
double bpm_bu;
int bu_filled;
double *stat_buf;
long long *stat_smpl_buf;
int stat_buf_idx;
int sample_cntr;
double T_peak_avg;
double T_peak_avg_bu;
};
struct ecg_filter_settings * create_ecg_filter(double, double, int);
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 *);
#endif
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