sdrangel/wdsp/slew.hpp

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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 <atomic>
#include "export.h"
namespace WDSP {
class TXA;
class WDSP_API USLEW
{
public:
TXA *txa;
std::atomic<long> *ch_upslew;
int size;
double* in;
double* out;
double rate;
double tdelay;
double tupslew;
int runmode;
int state;
int count;
int ndelup;
int ntup;
double* cup;
static USLEW* create_uslew (TXA *txa, std::atomic<long> *ch_upslew, int size, double* in, double* out, double rate, double tdelay, double tupslew);
static void destroy_uslew (USLEW *a);
static void flush_uslew (USLEW *a);
static void xuslew (USLEW *a);
static void setBuffers_uslew (USLEW *a, double* in, double* out);
static void setSamplerate_uslew (USLEW *a, int rate);
static void setSize_uslew (USLEW *a, int size);
// TXA Properties
static void SetuSlewTime (TXA& txa, double time);
private:
static void calc_uslew (USLEW *a);
static void decalc_uslew (USLEW *a);
};
} // namespace WDSP
#endif