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des_filter.h
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des_filter.h
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/*
Copyright (C) 2014 Tony Kirke
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 DESFILTDES_H
#define DESFILTDES_H
#ifdef __cplusplus
#define EXTERNC extern "C"
#else
#define EXTERNC
#endif
EXTERNC void lpf_init(int pts);
EXTERNC void reset();
EXTERNC void set_gain(float g);
EXTERNC void lpf_sel(const char* sel);
EXTERNC double horiz_swipe(int len,bool in_passband);
EXTERNC double get_fc(int len,bool in_passband);
EXTERNC void vertical_swipe(int len,bool in_passband,bool above_stop);
EXTERNC double update_w(double *w, double w_inc);
EXTERNC void set_fs(float fs);
EXTERNC void set_filter_type(int t);
EXTERNC bool is_fir();
EXTERNC int get_order();
EXTERNC double stopdB();
EXTERNC double ripple();
#endif