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sdrangel/wdsp/slew.hpp
2024-07-14 00:05:10 +02:00

81 lines
1.9 KiB
C++

/* slew.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2013 Warren Pratt, NR0V
Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
The author can be reached by email at
warren@wpratt.com
*/
#ifndef wdsp_slew_h
#define wdsp_slew_h
#include "export.h"
namespace WDSP {
class TXA;
class WDSP_API USLEW
{
public:
TXA *txa;
long *ch_upslew;
int size;
float* in;
float* out;
float rate;
float tdelay;
float tupslew;
int runmode;
int state;
int count;
int ndelup;
int ntup;
float* cup;
static USLEW* create_uslew (
TXA *txa,
long *ch_upslew,
int size, float* in,
float* out,
float rate,
float tdelay,
float tupslew
);
static void destroy_uslew (USLEW *a);
static void flush_uslew (USLEW *a);
static void xuslew (USLEW *a);
static void setBuffers_uslew (USLEW *a, float* in, float* out);
static void setSamplerate_uslew (USLEW *a, int rate);
static void setSize_uslew (USLEW *a, int size);
// TXA Properties
static void SetuSlewTime (TXA& txa, float time);
private:
static void calc_uslew (USLEW *a);
static void decalc_uslew (USLEW *a);
};
} // namespace WDSP
#endif