mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-25 09:18:54 -05:00
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/* osctrl.h
|
|
|
|
This file is part of a program that implements a Software-Defined Radio.
|
|
|
|
Copyright (C) 2014 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
|
|
|
|
*/
|
|
|
|
// This file is part of the implementation of the Overshoot Controller from
|
|
// "Controlled Envelope Single Sideband" by David L. Hershberger, W9GR, in
|
|
// the November/December 2014 issue of QEX.
|
|
|
|
#ifndef wdsp_osctrl_h
|
|
#define wdsp_osctrl_h
|
|
|
|
#include <vector>
|
|
|
|
#include "export.h"
|
|
|
|
namespace WDSP {
|
|
|
|
class TXA;
|
|
|
|
class WDSP_API OSCTRL
|
|
{
|
|
public:
|
|
int run; // 1 to run; 0 otherwise
|
|
int size; // buffer size
|
|
float *inbuff; // input buffer
|
|
float *outbuff; // output buffer
|
|
int rate; // sample rate
|
|
double osgain; // gain applied to overshoot "clippings"
|
|
double bw; // bandwidth
|
|
int pn; // "peak stretcher" window, samples
|
|
int dl_len; // delay line length, samples
|
|
std::vector<double> dl; // delay line for complex samples
|
|
std::vector<double> dlenv; // delay line for envelope values
|
|
int in_idx; // input index for dl
|
|
int out_idx; // output index for dl
|
|
double max_env; // maximum env value in env delay line
|
|
double env_out;
|
|
|
|
OSCTRL(
|
|
int run,
|
|
int size,
|
|
float* inbuff,
|
|
float* outbuff,
|
|
int rate,
|
|
double osgain
|
|
);
|
|
OSCTRL(const OSCTRL&) = delete;
|
|
OSCTRL& operator=(const OSCTRL& other) = delete;
|
|
~OSCTRL() = default;
|
|
|
|
void flush();
|
|
void execute();
|
|
void setBuffers(float* in, float* out);
|
|
void setSamplerate(int rate);
|
|
void setSize(int size);
|
|
|
|
private:
|
|
void calc();
|
|
};
|
|
|
|
} // namespace WDSP
|
|
|
|
#endif
|