mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-10 18:43:28 -05:00
WDSP: split iir source files
This commit is contained in:
parent
913d5bf7b0
commit
b9e3b10a6b
@ -38,12 +38,12 @@
|
||||
#include "nob.hpp"
|
||||
#include "amd.hpp"
|
||||
#include "fmd.hpp"
|
||||
#include "iir.cpp"
|
||||
#include "ssql.hpp"
|
||||
#include "amsq.hpp"
|
||||
#include "fmsq.hpp"
|
||||
#include "eq.hpp"
|
||||
#include "eqp.hpp"
|
||||
#include "shift.hpp"
|
||||
#include "speak.hpp"
|
||||
|
||||
#include "wdsprxsink.h"
|
||||
|
||||
|
@ -12,12 +12,17 @@ set(wdsp_SOURCES
|
||||
bldr.cpp
|
||||
bps.cpp
|
||||
bpsnba.cpp
|
||||
bqbp.cpp
|
||||
bqlp.cpp
|
||||
calculus.cpp
|
||||
cblock.cpp
|
||||
cfcomp.cpp
|
||||
cfir.cpp
|
||||
compress.cpp
|
||||
dbqbp.cpp
|
||||
dbqlp.cpp
|
||||
delay.cpp
|
||||
dsphp.cpp
|
||||
emnr.cpp
|
||||
emph.cpp
|
||||
eqp.cpp
|
||||
@ -32,15 +37,17 @@ set(wdsp_SOURCES
|
||||
gain.cpp
|
||||
gen.cpp
|
||||
icfir.cpp
|
||||
iir.cpp
|
||||
# iir.cpp
|
||||
iqc.cpp
|
||||
lmath.cpp
|
||||
meter.cpp
|
||||
meterlog10.cpp
|
||||
mpeak.cpp
|
||||
nbp.cpp
|
||||
nob.cpp
|
||||
osctrl.cpp
|
||||
patchpanel.cpp
|
||||
phrot.cpp
|
||||
resample.cpp
|
||||
resamplef.cpp
|
||||
rmatch.cpp
|
||||
@ -50,6 +57,9 @@ set(wdsp_SOURCES
|
||||
siphon.cpp
|
||||
slew.cpp
|
||||
snba.cpp
|
||||
snotch.cpp
|
||||
speak.cpp
|
||||
sphp.cpp
|
||||
ssql.cpp
|
||||
TXA.cpp
|
||||
varsamp.cpp
|
||||
@ -67,6 +77,8 @@ set(wdsp_HEADERS
|
||||
bldr.hpp
|
||||
bps.hpp
|
||||
bpsnba.hpp
|
||||
bqbp.hpp
|
||||
bqlp.hpp
|
||||
bufferprobe.hpp
|
||||
calculus.hpp
|
||||
cblock.hpp
|
||||
@ -74,7 +86,10 @@ set(wdsp_HEADERS
|
||||
cfir.hpp
|
||||
comm.hpp
|
||||
compress.hpp
|
||||
dbqbp.hpp
|
||||
dbqlp.hpp
|
||||
delay.hpp
|
||||
dsphp.hpp
|
||||
emnr.hpp
|
||||
emph.hpp
|
||||
eqp.hpp
|
||||
@ -89,15 +104,17 @@ set(wdsp_HEADERS
|
||||
gain.hpp
|
||||
gen.hpp
|
||||
icfir.hpp
|
||||
iir.hpp
|
||||
# iir.hpp
|
||||
iqc.hpp
|
||||
lmath.hpp
|
||||
meter.hpp
|
||||
meterlog10.hpp
|
||||
mpeak.hpp
|
||||
nbp.hpp
|
||||
nob.hpp
|
||||
osctrl.hpp
|
||||
patchpanel.hpp
|
||||
phrot.hpp
|
||||
resample.hpp
|
||||
resamplef.hpp
|
||||
rmatch.hpp
|
||||
@ -107,6 +124,9 @@ set(wdsp_HEADERS
|
||||
siphon.hpp
|
||||
slew.hpp
|
||||
snba.hpp
|
||||
snotch.hpp
|
||||
speak.hpp
|
||||
sphp.hpp
|
||||
ssql.hpp
|
||||
TXA.hpp
|
||||
varsamp.hpp
|
||||
|
@ -49,11 +49,12 @@ warren@wpratt.com
|
||||
#include "siphon.hpp"
|
||||
#include "cblock.hpp"
|
||||
#include "ssql.hpp"
|
||||
#include "iir.hpp"
|
||||
#include "fircore.hpp"
|
||||
#include "wcpAGC.hpp"
|
||||
#include "anb.hpp"
|
||||
#include "nob.hpp"
|
||||
#include "speak.hpp"
|
||||
#include "mpeak.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
|
@ -33,7 +33,6 @@ warren@wpratt.com
|
||||
#include "patchpanel.hpp"
|
||||
#include "amsq.hpp"
|
||||
#include "eq.hpp"
|
||||
#include "iir.hpp"
|
||||
#include "cfcomp.hpp"
|
||||
#include "compress.hpp"
|
||||
#include "bandpass.hpp"
|
||||
@ -48,6 +47,7 @@ warren@wpratt.com
|
||||
#include "iqc.hpp"
|
||||
#include "cfir.hpp"
|
||||
#include "fircore.hpp"
|
||||
#include "phrot.hpp"
|
||||
#include "fir.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
|
@ -37,7 +37,6 @@ warren@wpratt.com
|
||||
#include "patchpanel.hpp"
|
||||
#include "amsq.hpp"
|
||||
#include "eqp.hpp"
|
||||
#include "iir.hpp"
|
||||
#include "cfcomp.hpp"
|
||||
#include "compress.hpp"
|
||||
#include "bandpass.hpp"
|
||||
|
159
wdsp/bqbp.cpp
Normal file
159
wdsp/bqbp.cpp
Normal file
@ -0,0 +1,159 @@
|
||||
/* iir.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "bqbp.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Band-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void BQBP::calc_bqbp(BQBP *a)
|
||||
{
|
||||
double f0, w0, bw, q, sn, cs, c, den;
|
||||
bw = a->f_high - a->f_low;
|
||||
f0 = (a->f_high + a->f_low) / 2.0;
|
||||
q = f0 / bw;
|
||||
w0 = TWOPI * f0 / a->rate;
|
||||
sn = sin(w0);
|
||||
cs = cos(w0);
|
||||
c = sn / (2.0 * q);
|
||||
den = 1.0 + c;
|
||||
a->a0 = +c / den;
|
||||
a->a1 = 0.0;
|
||||
a->a2 = -c / den;
|
||||
a->b1 = 2.0 * cs / den;
|
||||
a->b2 = (c - 1.0) / den;
|
||||
flush_bqbp(a);
|
||||
}
|
||||
|
||||
BQBP* BQBP::create_bqbp(int run, int size, float* in, float* out, double rate, double f_low, double f_high, double gain, int nstages)
|
||||
{
|
||||
BQBP *a = new BQBP;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->f_low = f_low;
|
||||
a->f_high = f_high;
|
||||
a->gain = gain;
|
||||
a->nstages = nstages;
|
||||
a->x0 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->x1 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->x2 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y0 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y1 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y2 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
calc_bqbp(a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void BQBP::destroy_bqbp(BQBP *a)
|
||||
{
|
||||
delete[](a->y2);
|
||||
delete[](a->y1);
|
||||
delete[](a->y0);
|
||||
delete[](a->x2);
|
||||
delete[](a->x1);
|
||||
delete[](a->x0);
|
||||
delete(a);
|
||||
}
|
||||
|
||||
void BQBP::flush_bqbp(BQBP *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->nstages; i++)
|
||||
{
|
||||
a->x1[2 * i + 0] = a->x2[2 * i + 0] = a->y1[2 * i + 0] = a->y2[2 * i + 0] = 0.0;
|
||||
a->x1[2 * i + 1] = a->x2[2 * i + 1] = a->y1[2 * i + 1] = a->y2[2 * i + 1] = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
void BQBP::xbqbp(BQBP *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, j, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
for (j = 0; j < 2; j++)
|
||||
{
|
||||
a->x0[j] = a->gain * a->in[2 * i + j];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[2 * n + j] = a->y0[2 * (n - 1) + j];
|
||||
|
||||
a->y0[2 * n + j] = a->a0 * a->x0[2 * n + j]
|
||||
+ a->a1 * a->x1[2 * n + j]
|
||||
+ a->a2 * a->x2[2 * n + j]
|
||||
+ a->b1 * a->y1[2 * n + j]
|
||||
+ a->b2 * a->y2[2 * n + j];
|
||||
a->y2[2 * n + j] = a->y1[2 * n + j];
|
||||
a->y1[2 * n + j] = a->y0[2 * n + j];
|
||||
a->x2[2 * n + j] = a->x1[2 * n + j];
|
||||
a->x1[2 * n + j] = a->x0[2 * n + j];
|
||||
}
|
||||
|
||||
a->out[2 * i + j] = a->y0[2 * (a->nstages - 1) + j];
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
std::copy(a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void BQBP::setBuffers_bqbp(BQBP *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void BQBP::setSamplerate_bqbp(BQBP *a, int rate)
|
||||
{
|
||||
a->rate = rate;
|
||||
calc_bqbp(a);
|
||||
}
|
||||
|
||||
void BQBP::setSize_bqbp(BQBP *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_bqbp(a);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
70
wdsp/bqbp.hpp
Normal file
70
wdsp/bqbp.hpp
Normal file
@ -0,0 +1,70 @@
|
||||
/* bqbp.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Band-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_bqbp_h
|
||||
#define wdsp_bqbp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API BQBP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f_low;
|
||||
double f_high;
|
||||
double gain;
|
||||
int nstages;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double* x0, * x1, * x2, * y0, * y1, * y2;
|
||||
|
||||
static BQBP* create_bqbp(int run, int size, float* in, float* out, double rate, double f_low, double f_high, double gain, int nstages);
|
||||
static void destroy_bqbp(BQBP *a);
|
||||
static void flush_bqbp(BQBP *a);
|
||||
static void xbqbp(BQBP *a);
|
||||
static void setBuffers_bqbp(BQBP *a, float* in, float* out);
|
||||
static void setSamplerate_bqbp(BQBP *a, int rate);
|
||||
static void setSize_bqbp(BQBP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_bqbp(BQBP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
155
wdsp/bqlp.cpp
Normal file
155
wdsp/bqlp.cpp
Normal file
@ -0,0 +1,155 @@
|
||||
/* iir.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "bqlp.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Low-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void BQLP::calc_bqlp(BQLP *a)
|
||||
{
|
||||
double w0, cs, c, den;
|
||||
w0 = TWOPI * a->fc / (double)a->rate;
|
||||
cs = cos(w0);
|
||||
c = sin(w0) / (2.0 * a->Q);
|
||||
den = 1.0 + c;
|
||||
a->a0 = 0.5 * (1.0 - cs) / den;
|
||||
a->a1 = (1.0 - cs) / den;
|
||||
a->a2 = 0.5 * (1.0 - cs) / den;
|
||||
a->b1 = 2.0 * cs / den;
|
||||
a->b2 = (c - 1.0) / den;
|
||||
flush_bqlp(a);
|
||||
}
|
||||
|
||||
BQLP* BQLP::create_bqlp(int run, int size, float* in, float* out, double rate, double fc, double Q, double gain, int nstages)
|
||||
{
|
||||
BQLP *a = new BQLP;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->fc = fc;
|
||||
a->Q = Q;
|
||||
a->gain = gain;
|
||||
a->nstages = nstages;
|
||||
a->x0 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->x1 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->x2 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y0 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y1 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y2 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
calc_bqlp(a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void BQLP::destroy_bqlp(BQLP *a)
|
||||
{
|
||||
delete[](a->y2);
|
||||
delete[](a->y1);
|
||||
delete[](a->y0);
|
||||
delete[](a->x2);
|
||||
delete[](a->x1);
|
||||
delete[](a->x0);
|
||||
delete(a);
|
||||
}
|
||||
|
||||
void BQLP::flush_bqlp(BQLP *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->nstages; i++)
|
||||
{
|
||||
a->x1[2 * i + 0] = a->x2[2 * i + 0] = a->y1[2 * i + 0] = a->y2[2 * i + 0] = 0.0;
|
||||
a->x1[2 * i + 1] = a->x2[2 * i + 1] = a->y1[2 * i + 1] = a->y2[2 * i + 1] = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
void BQLP::xbqlp(BQLP *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, j, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
for (j = 0; j < 2; j++)
|
||||
{
|
||||
a->x0[j] = a->gain * a->in[2 * i + j];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[2 * n + j] = a->y0[2 * (n - 1) + j];
|
||||
a->y0[2 * n + j] = a->a0 * a->x0[2 * n + j]
|
||||
+ a->a1 * a->x1[2 * n + j]
|
||||
+ a->a2 * a->x2[2 * n + j]
|
||||
+ a->b1 * a->y1[2 * n + j]
|
||||
+ a->b2 * a->y2[2 * n + j];
|
||||
a->y2[2 * n + j] = a->y1[2 * n + j];
|
||||
a->y1[2 * n + j] = a->y0[2 * n + j];
|
||||
a->x2[2 * n + j] = a->x1[2 * n + j];
|
||||
a->x1[2 * n + j] = a->x0[2 * n + j];
|
||||
}
|
||||
|
||||
a->out[2 * i + j] = a->y0[2 * (a->nstages - 1) + j];
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
std::copy(a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void BQLP::setBuffers_bqlp(BQLP *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void BQLP::setSamplerate_bqlp(BQLP *a, int rate)
|
||||
{
|
||||
a->rate = rate;
|
||||
calc_bqlp(a);
|
||||
}
|
||||
|
||||
void BQLP::setSize_bqlp(BQLP *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_bqlp(a);
|
||||
}
|
||||
|
||||
|
||||
} // namespace WDSP
|
70
wdsp/bqlp.hpp
Normal file
70
wdsp/bqlp.hpp
Normal file
@ -0,0 +1,70 @@
|
||||
/* bqlp.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Low-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_bqlp_h
|
||||
#define wdsp_bqlp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API BQLP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double fc;
|
||||
double Q;
|
||||
double gain;
|
||||
int nstages;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double* x0, * x1, * x2, * y0, * y1, * y2;
|
||||
|
||||
static BQLP* create_bqlp(int run, int size, float* in, float* out, double rate, double fc, double Q, double gain, int nstages);
|
||||
static void destroy_bqlp(BQLP *a);
|
||||
static void flush_bqlp(BQLP *a);
|
||||
static void xbqlp(BQLP *a);
|
||||
static void setBuffers_bqlp(BQLP *a, float* in, float* out);
|
||||
static void setSamplerate_bqlp(BQLP *a, int rate);
|
||||
static void setSize_bqlp(BQLP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_bqlp(BQLP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
155
wdsp/dbqbp.cpp
Normal file
155
wdsp/dbqbp.cpp
Normal file
@ -0,0 +1,155 @@
|
||||
/* dbqbp.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "dbqbp.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Bi-Quad Band-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void DBQBP::calc_dbqbp(DBQBP *a)
|
||||
{
|
||||
double f0, w0, bw, q, sn, cs, c, den;
|
||||
bw = a->f_high - a->f_low;
|
||||
f0 = (a->f_high + a->f_low) / 2.0;
|
||||
q = f0 / bw;
|
||||
w0 = TWOPI * f0 / a->rate;
|
||||
sn = sin(w0);
|
||||
cs = cos(w0);
|
||||
c = sn / (2.0 * q);
|
||||
den = 1.0 + c;
|
||||
a->a0 = +c / den;
|
||||
a->a1 = 0.0;
|
||||
a->a2 = -c / den;
|
||||
a->b1 = 2.0 * cs / den;
|
||||
a->b2 = (c - 1.0) / den;
|
||||
flush_dbqbp(a);
|
||||
}
|
||||
|
||||
DBQBP* DBQBP::create_dbqbp(int run, int size, float* in, float* out, double rate, double f_low, double f_high, double gain, int nstages)
|
||||
{
|
||||
DBQBP *a = new DBQBP;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->f_low = f_low;
|
||||
a->f_high = f_high;
|
||||
a->gain = gain;
|
||||
a->nstages = nstages;
|
||||
a->x0 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->x1 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->x2 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y0 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y1 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y2 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
calc_dbqbp(a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void DBQBP::destroy_dbqbp(DBQBP *a)
|
||||
{
|
||||
delete[](a->y2);
|
||||
delete[](a->y1);
|
||||
delete[](a->y0);
|
||||
delete[](a->x2);
|
||||
delete[](a->x1);
|
||||
delete[](a->x0);
|
||||
delete(a);
|
||||
}
|
||||
|
||||
void DBQBP::flush_dbqbp(DBQBP *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->nstages; i++)
|
||||
{
|
||||
a->x1[i] = a->x2[i] = a->y1[i] = a->y2[i] = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
void DBQBP::xdbqbp(DBQBP *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
a->x0[0] = a->gain * a->in[i];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[n] = a->y0[n - 1];
|
||||
|
||||
a->y0[n] = a->a0 * a->x0[n]
|
||||
+ a->a1 * a->x1[n]
|
||||
+ a->a2 * a->x2[n]
|
||||
+ a->b1 * a->y1[n]
|
||||
+ a->b2 * a->y2[n];
|
||||
a->y2[n] = a->y1[n];
|
||||
a->y1[n] = a->y0[n];
|
||||
a->x2[n] = a->x1[n];
|
||||
a->x1[n] = a->x0[n];
|
||||
}
|
||||
|
||||
a->out[i] = a->y0[a->nstages - 1];
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
memcpy(a->out, a->in, a->size * sizeof(float));
|
||||
}
|
||||
}
|
||||
|
||||
void DBQBP::setBuffers_dbqbp(DBQBP *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void DBQBP::setSamplerate_dbqbp(DBQBP *a, int rate)
|
||||
{
|
||||
a->rate = rate;
|
||||
calc_dbqbp(a);
|
||||
}
|
||||
|
||||
void DBQBP::setSize_dbqbp(DBQBP *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_dbqbp(a);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
71
wdsp/dbqbp.hpp
Normal file
71
wdsp/dbqbp.hpp
Normal file
@ -0,0 +1,71 @@
|
||||
/* dbqbp.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Band-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_dbqbp_h
|
||||
#define wdsp_dbqbp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API DBQBP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f_low;
|
||||
double f_high;
|
||||
double gain;
|
||||
int nstages;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double* x0, * x1, * x2, * y0, * y1, * y2;
|
||||
|
||||
// Double Bi-Quad Band-Pass
|
||||
static DBQBP* create_dbqbp(int run, int size, float* in, float* out, double rate, double f_low, double f_high, double gain, int nstages);
|
||||
static void destroy_dbqbp(DBQBP *a);
|
||||
static void flush_dbqbp(DBQBP *a);
|
||||
static void xdbqbp(DBQBP *a);
|
||||
static void setBuffers_dbqbp(DBQBP *a, float* in, float* out);
|
||||
static void setSamplerate_dbqbp(DBQBP *a, int rate);
|
||||
static void setSize_dbqbp(DBQBP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_dbqbp(DBQBP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
151
wdsp/dbqlp.cpp
Normal file
151
wdsp/dbqlp.cpp
Normal file
@ -0,0 +1,151 @@
|
||||
/* dbqlp.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "dbqlp.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Bi-Quad Low-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void DBQLP::calc_dbqlp(DBQLP *a)
|
||||
{
|
||||
float w0, cs, c, den;
|
||||
w0 = TWOPI * a->fc / (float)a->rate;
|
||||
cs = cos(w0);
|
||||
c = sin(w0) / (2.0 * a->Q);
|
||||
den = 1.0 + c;
|
||||
a->a0 = 0.5 * (1.0 - cs) / den;
|
||||
a->a1 = (1.0 - cs) / den;
|
||||
a->a2 = 0.5 * (1.0 - cs) / den;
|
||||
a->b1 = 2.0 * cs / den;
|
||||
a->b2 = (c - 1.0) / den;
|
||||
flush_dbqlp(a);
|
||||
}
|
||||
|
||||
DBQLP* DBQLP::create_dbqlp(int run, int size, float* in, float* out, double rate, double fc, double Q, double gain, int nstages)
|
||||
{
|
||||
DBQLP *a = new DBQLP;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->fc = fc;
|
||||
a->Q = Q;
|
||||
a->gain = gain;
|
||||
a->nstages = nstages;
|
||||
a->x0 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->x1 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->x2 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y0 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y1 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y2 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
calc_dbqlp(a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void DBQLP::destroy_dbqlp(DBQLP *a)
|
||||
{
|
||||
delete[](a->y2);
|
||||
delete[](a->y1);
|
||||
delete[](a->y0);
|
||||
delete[](a->x2);
|
||||
delete[](a->x1);
|
||||
delete[](a->x0);
|
||||
delete(a);
|
||||
}
|
||||
|
||||
void DBQLP::flush_dbqlp(DBQLP *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->nstages; i++)
|
||||
{
|
||||
a->x1[i] = a->x2[i] = a->y1[i] = a->y2[i] = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
void DBQLP::xdbqlp(DBQLP *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
a->x0[0] = a->gain * a->in[i];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[n] = a->y0[n - 1];
|
||||
|
||||
a->y0[n] = a->a0 * a->x0[n]
|
||||
+ a->a1 * a->x1[n]
|
||||
+ a->a2 * a->x2[n]
|
||||
+ a->b1 * a->y1[n]
|
||||
+ a->b2 * a->y2[n];
|
||||
a->y2[n] = a->y1[n];
|
||||
a->y1[n] = a->y0[n];
|
||||
a->x2[n] = a->x1[n];
|
||||
a->x1[n] = a->x0[n];
|
||||
}
|
||||
|
||||
a->out[i] = a->y0[a->nstages - 1];
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
memcpy(a->out, a->in, a->size * sizeof(float));
|
||||
}
|
||||
}
|
||||
|
||||
void DBQLP::setBuffers_dbqlp(DBQLP *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void DBQLP::setSamplerate_dbqlp(DBQLP *a, int rate)
|
||||
{
|
||||
a->rate = rate;
|
||||
calc_dbqlp(a);
|
||||
}
|
||||
|
||||
void DBQLP::setSize_dbqlp(DBQLP *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_dbqlp(a);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
70
wdsp/dbqlp.hpp
Normal file
70
wdsp/dbqlp.hpp
Normal file
@ -0,0 +1,70 @@
|
||||
/* dbqlp.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Bi-Quad Low-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_dbqlp_h
|
||||
#define wdsp_dbqlp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API DBQLP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double fc;
|
||||
double Q;
|
||||
double gain;
|
||||
int nstages;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double* x0, * x1, * x2, * y0, * y1, * y2;
|
||||
|
||||
static DBQLP* create_dbqlp(int run, int size, float* in, float* out, double rate, double fc, double Q, double gain, int nstages);
|
||||
static void destroy_dbqlp(DBQLP *a);
|
||||
static void flush_dbqlp(DBQLP *a);
|
||||
static void xdbqlp(DBQLP *a);
|
||||
static void setBuffers_dbqlp(DBQLP *a, float* in, float* out);
|
||||
static void setSamplerate_dbqlp(DBQLP *a, int rate);
|
||||
static void setSize_dbqlp(DBQLP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_dbqlp(DBQLP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
140
wdsp/dsphp.cpp
Normal file
140
wdsp/dsphp.cpp
Normal file
@ -0,0 +1,140 @@
|
||||
/* iir.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "dsphp.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Single-Pole High-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void DSPHP::calc_dsphp(DSPHP *a)
|
||||
{
|
||||
double g;
|
||||
a->x0 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->x1 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y0 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
a->y1 = new double[a->nstages]; // (float*)malloc0(a->nstages * sizeof(float));
|
||||
g = exp(-TWOPI * a->fc / a->rate);
|
||||
a->b0 = +0.5 * (1.0 + g);
|
||||
a->b1 = -0.5 * (1.0 + g);
|
||||
a->a1 = -g;
|
||||
}
|
||||
|
||||
DSPHP* DSPHP::create_dsphp(int run, int size, float* in, float* out, double rate, double fc, int nstages)
|
||||
{
|
||||
DSPHP *a = new DSPHP;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->fc = fc;
|
||||
a->nstages = nstages;
|
||||
calc_dsphp(a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void DSPHP::decalc_dsphp(DSPHP *a)
|
||||
{
|
||||
delete[](a->y1);
|
||||
delete[](a->y0);
|
||||
delete[](a->x1);
|
||||
delete[](a->x0);
|
||||
}
|
||||
|
||||
void DSPHP::destroy_dsphp(DSPHP *a)
|
||||
{
|
||||
decalc_dsphp(a);
|
||||
delete(a);
|
||||
}
|
||||
|
||||
void DSPHP::flush_dsphp(DSPHP *a)
|
||||
{
|
||||
memset(a->x0, 0, a->nstages * sizeof(float));
|
||||
memset(a->x1, 0, a->nstages * sizeof(float));
|
||||
memset(a->y0, 0, a->nstages * sizeof(float));
|
||||
memset(a->y1, 0, a->nstages * sizeof(float));
|
||||
}
|
||||
|
||||
void DSPHP::xdsphp(DSPHP *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
a->x0[0] = a->in[i];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[n] = a->y0[n - 1];
|
||||
|
||||
a->y0[n] = a->b0 * a->x0[n]
|
||||
+ a->b1 * a->x1[n]
|
||||
- a->a1 * a->y1[n];
|
||||
a->y1[n] = a->y0[n];
|
||||
a->x1[n] = a->x0[n];
|
||||
}
|
||||
|
||||
a->out[i] = a->y0[a->nstages - 1];
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
memcpy(a->out, a->in, a->size * sizeof(float));
|
||||
}
|
||||
}
|
||||
|
||||
void DSPHP::setBuffers_dsphp(DSPHP *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void DSPHP::setSamplerate_dsphp(DSPHP *a, int rate)
|
||||
{
|
||||
decalc_dsphp(a);
|
||||
a->rate = rate;
|
||||
calc_dsphp(a);
|
||||
}
|
||||
|
||||
void DSPHP::setSize_dsphp(DSPHP *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_dsphp(a);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
71
wdsp/dsphp.hpp
Normal file
71
wdsp/dsphp.hpp
Normal file
@ -0,0 +1,71 @@
|
||||
/* sphp.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Single-Pole High-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_dsphp_h
|
||||
#define wdsp_dsphp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API DSPHP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double fc;
|
||||
int nstages;
|
||||
double a1, b0, b1;
|
||||
double* x0, * x1, * y0, * y1;
|
||||
|
||||
static DSPHP* create_dsphp(int run, int size, float* in, float* out, double rate, double fc, int nstages);
|
||||
static void destroy_dsphp(DSPHP *a);
|
||||
static void flush_dsphp(DSPHP *a);
|
||||
static void xdsphp(DSPHP *a);
|
||||
static void setBuffers_dsphp(DSPHP *a, float* in, float* out);
|
||||
static void setSamplerate_dsphp(DSPHP *a, int rate);
|
||||
static void setSize_dsphp(DSPHP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_dsphp(DSPHP *a);
|
||||
static void decalc_dsphp(DSPHP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
|
@ -26,11 +26,11 @@ warren@wpratt.com
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "iir.hpp"
|
||||
#include "fircore.hpp"
|
||||
#include "fcurve.hpp"
|
||||
#include "fir.hpp"
|
||||
#include "wcpAGC.hpp"
|
||||
#include "snotch.hpp"
|
||||
#include "fmd.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
1387
wdsp/iir.cpp
1387
wdsp/iir.cpp
File diff suppressed because it is too large
Load Diff
440
wdsp/iir.hpp
440
wdsp/iir.hpp
@ -1,440 +0,0 @@
|
||||
/* iir.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Bi-Quad Notch *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_snotch_h
|
||||
#define wdsp_snotch_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API SNOTCH
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f;
|
||||
double bw;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double x0, x1, x2, y1, y2;
|
||||
|
||||
static SNOTCH* create_snotch (int run, int size, float* in, float* out, int rate, double f, double bw);
|
||||
static void destroy_snotch (SNOTCH *a);
|
||||
static void flush_snotch (SNOTCH *a);
|
||||
static void xsnotch (SNOTCH *a);
|
||||
static void setBuffers_snotch (SNOTCH *a, float* in, float* out);
|
||||
static void setSamplerate_snotch (SNOTCH *a, int rate);
|
||||
static void setSize_snotch (SNOTCH *a, int size);
|
||||
static void SetSNCTCSSFreq (SNOTCH *a, double freq);
|
||||
static void SetSNCTCSSRun (SNOTCH *a, int run);
|
||||
|
||||
private:
|
||||
static void calc_snotch (SNOTCH *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Peaking *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_speak_h
|
||||
#define wdsp_speak_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class RXA;
|
||||
|
||||
class WDSP_API SPEAK
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f;
|
||||
double bw;
|
||||
double cbw;
|
||||
double gain;
|
||||
double fgain;
|
||||
int nstages;
|
||||
int design;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double *x0, *x1, *x2, *y0, *y1, *y2;
|
||||
|
||||
static SPEAK* create_speak (
|
||||
int run,
|
||||
int size,
|
||||
float* in,
|
||||
float* out,
|
||||
int rate,
|
||||
double f,
|
||||
double bw,
|
||||
double gain,
|
||||
int nstages,
|
||||
int design
|
||||
);
|
||||
static void destroy_speak (SPEAK *a);
|
||||
static void flush_speak (SPEAK *a);
|
||||
static void xspeak (SPEAK *a);
|
||||
static void setBuffers_speak (SPEAK *a, float* in, float* out);
|
||||
static void setSamplerate_speak (SPEAK *a, int rate);
|
||||
static void setSize_speak (SPEAK *a, int size);
|
||||
// RXA
|
||||
static void SetSPCWRun (RXA& rxa, int run);
|
||||
static void SetSPCWFreq (RXA& rxa, double freq);
|
||||
static void SetSPCWBandwidth (RXA& rxa, double bw);
|
||||
static void SetSPCWGain (RXA& rxa, double gain);
|
||||
static void calc_speak (SPEAK *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Multiple Peaking *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef _mpeak_h
|
||||
#define _mpeak_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class RXA;
|
||||
|
||||
class WDSP_API MPEAK
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
int rate;
|
||||
int npeaks;
|
||||
int* enable;
|
||||
double* f;
|
||||
double* bw;
|
||||
double* gain;
|
||||
int nstages;
|
||||
SPEAK** pfil;
|
||||
float* tmp;
|
||||
float* mix;
|
||||
|
||||
static MPEAK* create_mpeak (
|
||||
int run,
|
||||
int size,
|
||||
float* in,
|
||||
float* out,
|
||||
int rate,
|
||||
int npeaks,
|
||||
int* enable,
|
||||
double* f,
|
||||
double* bw,
|
||||
double* gain,
|
||||
int nstages
|
||||
);
|
||||
static void destroy_mpeak (MPEAK *a);
|
||||
static void flush_mpeak (MPEAK *a);
|
||||
static void xmpeak (MPEAK *a);
|
||||
static void setBuffers_mpeak (MPEAK *a, float* in, float* out);
|
||||
static void setSamplerate_mpeak (MPEAK *a, int rate);
|
||||
static void setSize_mpeak (MPEAK *a, int size);
|
||||
// RXA
|
||||
static void SetmpeakRun (RXA& rxa, int run);
|
||||
static void SetmpeakNpeaks (RXA& rxa, int npeaks);
|
||||
static void SetmpeakFilEnable (RXA& rxa, int fil, int enable);
|
||||
static void SetmpeakFilFreq (RXA& rxa, int fil, double freq);
|
||||
static void SetmpeakFilBw (RXA& rxa, int fil, double bw);
|
||||
static void SetmpeakFilGain (RXA& rxa, int fil, double gain);
|
||||
|
||||
private:
|
||||
static void calc_mpeak (MPEAK *a);
|
||||
static void decalc_mpeak (MPEAK *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Phase Rotator *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_phrot_h
|
||||
#define wdsp_phrot_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class TXA;
|
||||
|
||||
class WDSP_API PHROT
|
||||
{
|
||||
public:
|
||||
int reverse;
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
int rate;
|
||||
double fc;
|
||||
int nstages;
|
||||
// normalized such that a0 = 1
|
||||
double a1, b0, b1;
|
||||
double *x0, *x1, *y0, *y1;
|
||||
|
||||
static PHROT* create_phrot (int run, int size, float* in, float* out, int rate, double fc, int nstages);
|
||||
static void destroy_phrot (PHROT *a);
|
||||
static void flush_phrot (PHROT *a);
|
||||
static void xphrot (PHROT *a);
|
||||
static void setBuffers_phrot (PHROT *a, float* in, float* out);
|
||||
static void setSamplerate_phrot (PHROT *a, int rate);
|
||||
static void setSize_phrot (PHROT *a, int size);
|
||||
// TXA Properties
|
||||
static void SetPHROTRun (TXA& txa, int run);
|
||||
static void SetPHROTCorner (TXA& txa, double corner);
|
||||
static void SetPHROTNstages (TXA& txa, int nstages);
|
||||
static void SetPHROTReverse (TXA& txa, int reverse);
|
||||
|
||||
private:
|
||||
static void calc_phrot (PHROT *a);
|
||||
static void decalc_phrot (PHROT *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Low-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_bqlp_h
|
||||
#define wdsp_bqlp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API BQLP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double fc;
|
||||
double Q;
|
||||
double gain;
|
||||
int nstages;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double* x0, * x1, * x2, * y0, * y1, * y2;
|
||||
|
||||
static BQLP* create_bqlp(int run, int size, float* in, float* out, double rate, double fc, double Q, double gain, int nstages);
|
||||
static void destroy_bqlp(BQLP *a);
|
||||
static void flush_bqlp(BQLP *a);
|
||||
static void xbqlp(BQLP *a);
|
||||
static void setBuffers_bqlp(BQLP *a, float* in, float* out);
|
||||
static void setSamplerate_bqlp(BQLP *a, int rate);
|
||||
static void setSize_bqlp(BQLP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_bqlp(BQLP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Bi-Quad Low-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_dbqlp_h
|
||||
#define wdsp_dbqlp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API DBQLP
|
||||
{
|
||||
public:
|
||||
static BQLP* create_dbqlp(int run, int size, float* in, float* out, double rate, double fc, double Q, double gain, int nstages);
|
||||
static void destroy_dbqlp(BQLP *a);
|
||||
static void flush_dbqlp(BQLP *a);
|
||||
static void xdbqlp(BQLP *a);
|
||||
static void setBuffers_dbqlp(BQLP *a, float* in, float* out);
|
||||
static void setSamplerate_dbqlp(BQLP *a, int rate);
|
||||
static void setSize_dbqlp(BQLP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_dbqlp(BQLP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Band-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_bqbp_h
|
||||
#define wdsp_bqbp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API BQBP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f_low;
|
||||
double f_high;
|
||||
double gain;
|
||||
int nstages;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double* x0, * x1, * x2, * y0, * y1, * y2;
|
||||
|
||||
static BQBP* create_bqbp(int run, int size, float* in, float* out, double rate, double f_low, double f_high, double gain, int nstages);
|
||||
static void destroy_bqbp(BQBP *a);
|
||||
static void flush_bqbp(BQBP *a);
|
||||
static void xbqbp(BQBP *a);
|
||||
static void setBuffers_bqbp(BQBP *a, float* in, float* out);
|
||||
static void setSamplerate_bqbp(BQBP *a, int rate);
|
||||
static void setSize_bqbp(BQBP *a, int size);
|
||||
|
||||
// Double Bi-Quad Band-Pass
|
||||
static BQBP* create_dbqbp(int run, int size, float* in, float* out, double rate, double f_low, double f_high, double gain, int nstages);
|
||||
static void destroy_dbqbp(BQBP *a);
|
||||
static void flush_dbqbp(BQBP *a);
|
||||
static void xdbqbp(BQBP *a);
|
||||
static void setBuffers_dbqbp(BQBP *a, float* in, float* out);
|
||||
static void setSamplerate_dbqbp(BQBP *a, int rate);
|
||||
static void setSize_dbqbp(BQBP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_bqbp(BQBP *a);
|
||||
static void calc_dbqbp(BQBP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Single-Pole High-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_dsphp_h
|
||||
#define wdsp_dsphp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API SPHP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double fc;
|
||||
int nstages;
|
||||
double a1, b0, b1;
|
||||
double* x0, * x1, * y0, * y1;
|
||||
|
||||
static SPHP* create_dsphp(int run, int size, float* in, float* out, double rate, double fc, int nstages);
|
||||
static void destroy_dsphp(SPHP *a);
|
||||
static void flush_dsphp(SPHP *a);
|
||||
static void xdsphp(SPHP *a);
|
||||
static void setBuffers_dsphp(SPHP *a, float* in, float* out);
|
||||
static void setSamplerate_dsphp(SPHP *a, int rate);
|
||||
static void setSize_dsphp(SPHP *a, int size);
|
||||
|
||||
// Complex Single-Pole High-Pass
|
||||
static SPHP* create_sphp(int run, int size, float* in, float* out, double rate, double fc, int nstages);
|
||||
static void destroy_sphp(SPHP *a);
|
||||
static void flush_sphp(SPHP *a);
|
||||
static void xsphp(SPHP *a);
|
||||
static void setBuffers_sphp(SPHP *a, float* in, float* out);
|
||||
static void setSamplerate_sphp(SPHP *a, int rate);
|
||||
static void setSize_sphp(SPHP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_sphp(SPHP *a);
|
||||
static void decalc_sphp(SPHP *a);
|
||||
static void calc_dsphp(SPHP *a);
|
||||
static void decalc_dsphp(SPHP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
|
221
wdsp/mpeak.cpp
Normal file
221
wdsp/mpeak.cpp
Normal file
@ -0,0 +1,221 @@
|
||||
/* mpeak.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "mpeak.hpp"
|
||||
#include "speak.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Multiple Peaking *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void MPEAK::calc_mpeak (MPEAK *a)
|
||||
{
|
||||
int i;
|
||||
a->tmp = new float[a->size * 2]; // (float *) malloc0 (a->size * sizeof (complex));
|
||||
a->mix = new float[a->size * 2]; // (float *) malloc0 (a->size * sizeof (complex));
|
||||
for (i = 0; i < a->npeaks; i++)
|
||||
{
|
||||
a->pfil[i] = SPEAK::create_speak (
|
||||
1,
|
||||
a->size,
|
||||
a->in,
|
||||
a->tmp,
|
||||
a->rate,
|
||||
a->f[i],
|
||||
a->bw[i],
|
||||
a->gain[i],
|
||||
a->nstages,
|
||||
1
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
void MPEAK::decalc_mpeak (MPEAK *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->npeaks; i++)
|
||||
SPEAK::destroy_speak (a->pfil[i]);
|
||||
delete[] (a->mix);
|
||||
delete[] (a->tmp);
|
||||
}
|
||||
|
||||
MPEAK* MPEAK::create_mpeak (
|
||||
int run,
|
||||
int size,
|
||||
float* in,
|
||||
float* out,
|
||||
int rate,
|
||||
int npeaks,
|
||||
int* enable,
|
||||
double* f,
|
||||
double* bw,
|
||||
double* gain,
|
||||
int nstages
|
||||
)
|
||||
{
|
||||
MPEAK *a = new MPEAK;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->npeaks = npeaks;
|
||||
a->nstages = nstages;
|
||||
a->enable = new int[a->npeaks]; // (int *) malloc0 (a->npeaks * sizeof (int));
|
||||
a->f = new double[a->npeaks]; // (float *) malloc0 (a->npeaks * sizeof (float));
|
||||
a->bw = new double[a->npeaks]; // (float *) malloc0 (a->npeaks * sizeof (float));
|
||||
a->gain = new double[a->npeaks]; // (float *) malloc0 (a->npeaks * sizeof (float));
|
||||
memcpy (a->enable, enable, a->npeaks * sizeof (int));
|
||||
memcpy (a->f, f, a->npeaks * sizeof (double));
|
||||
memcpy (a->bw, bw, a->npeaks * sizeof (double));
|
||||
memcpy (a->gain, gain, a->npeaks * sizeof (double));
|
||||
a->pfil = new SPEAK*[a->npeaks]; // (SPEAK *) malloc0 (a->npeaks * sizeof (SPEAK));
|
||||
calc_mpeak (a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void MPEAK::destroy_mpeak (MPEAK *a)
|
||||
{
|
||||
decalc_mpeak (a);
|
||||
delete[] (a->pfil);
|
||||
delete[] (a->gain);
|
||||
delete[] (a->bw);
|
||||
delete[] (a->f);
|
||||
delete[] (a->enable);
|
||||
delete (a);
|
||||
}
|
||||
|
||||
void MPEAK::flush_mpeak (MPEAK *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->npeaks; i++)
|
||||
SPEAK::flush_speak (a->pfil[i]);
|
||||
}
|
||||
|
||||
void MPEAK::xmpeak (MPEAK *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, j;
|
||||
std::fill(a->mix, a->mix + a->size * 2, 0);
|
||||
|
||||
for (i = 0; i < a->npeaks; i++)
|
||||
{
|
||||
if (a->enable[i])
|
||||
{
|
||||
SPEAK::xspeak (a->pfil[i]);
|
||||
for (j = 0; j < 2 * a->size; j++)
|
||||
a->mix[j] += a->tmp[j];
|
||||
}
|
||||
}
|
||||
|
||||
std::copy(a->mix, a->mix + a->size * 2, a->out);
|
||||
}
|
||||
else if (a->in != a->out)
|
||||
{
|
||||
std::copy( a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void MPEAK::setBuffers_mpeak (MPEAK *a, float* in, float* out)
|
||||
{
|
||||
decalc_mpeak (a);
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
calc_mpeak (a);
|
||||
}
|
||||
|
||||
void MPEAK::setSamplerate_mpeak (MPEAK *a, int rate)
|
||||
{
|
||||
decalc_mpeak (a);
|
||||
a->rate = rate;
|
||||
calc_mpeak (a);
|
||||
}
|
||||
|
||||
void MPEAK::setSize_mpeak (MPEAK *a, int size)
|
||||
{
|
||||
decalc_mpeak (a);
|
||||
a->size = size;
|
||||
calc_mpeak (a);
|
||||
}
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* RXA Properties *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void MPEAK::SetmpeakRun (RXA& rxa, int run)
|
||||
{
|
||||
MPEAK *a = rxa.mpeak;
|
||||
a->run = run;
|
||||
}
|
||||
|
||||
void MPEAK::SetmpeakNpeaks (RXA& rxa, int npeaks)
|
||||
{
|
||||
MPEAK *a = rxa.mpeak;
|
||||
a->npeaks = npeaks;
|
||||
}
|
||||
|
||||
void MPEAK::SetmpeakFilEnable (RXA& rxa, int fil, int enable)
|
||||
{
|
||||
MPEAK *a = rxa.mpeak;
|
||||
a->enable[fil] = enable;
|
||||
}
|
||||
|
||||
void MPEAK::SetmpeakFilFreq (RXA& rxa, int fil, double freq)
|
||||
{
|
||||
MPEAK *a = rxa.mpeak;
|
||||
a->f[fil] = freq;
|
||||
a->pfil[fil]->f = freq;
|
||||
SPEAK::calc_speak(a->pfil[fil]);
|
||||
}
|
||||
|
||||
void MPEAK::SetmpeakFilBw (RXA& rxa, int fil, double bw)
|
||||
{
|
||||
MPEAK *a = rxa.mpeak;
|
||||
a->bw[fil] = bw;
|
||||
a->pfil[fil]->bw = bw;
|
||||
SPEAK::calc_speak(a->pfil[fil]);
|
||||
}
|
||||
|
||||
void MPEAK::SetmpeakFilGain (RXA& rxa, int fil, double gain)
|
||||
{
|
||||
MPEAK *a = rxa.mpeak;
|
||||
a->gain[fil] = gain;
|
||||
a->pfil[fil]->gain = gain;
|
||||
SPEAK::calc_speak(a->pfil[fil]);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
96
wdsp/mpeak.hpp
Normal file
96
wdsp/mpeak.hpp
Normal file
@ -0,0 +1,96 @@
|
||||
/* mpeak.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Multiple Peaking *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef _mpeak_h
|
||||
#define _mpeak_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class RXA;
|
||||
class SPEAK;
|
||||
|
||||
class WDSP_API MPEAK
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
int rate;
|
||||
int npeaks;
|
||||
int* enable;
|
||||
double* f;
|
||||
double* bw;
|
||||
double* gain;
|
||||
int nstages;
|
||||
SPEAK** pfil;
|
||||
float* tmp;
|
||||
float* mix;
|
||||
|
||||
static MPEAK* create_mpeak (
|
||||
int run,
|
||||
int size,
|
||||
float* in,
|
||||
float* out,
|
||||
int rate,
|
||||
int npeaks,
|
||||
int* enable,
|
||||
double* f,
|
||||
double* bw,
|
||||
double* gain,
|
||||
int nstages
|
||||
);
|
||||
static void destroy_mpeak (MPEAK *a);
|
||||
static void flush_mpeak (MPEAK *a);
|
||||
static void xmpeak (MPEAK *a);
|
||||
static void setBuffers_mpeak (MPEAK *a, float* in, float* out);
|
||||
static void setSamplerate_mpeak (MPEAK *a, int rate);
|
||||
static void setSize_mpeak (MPEAK *a, int size);
|
||||
// RXA
|
||||
static void SetmpeakRun (RXA& rxa, int run);
|
||||
static void SetmpeakNpeaks (RXA& rxa, int npeaks);
|
||||
static void SetmpeakFilEnable (RXA& rxa, int fil, int enable);
|
||||
static void SetmpeakFilFreq (RXA& rxa, int fil, double freq);
|
||||
static void SetmpeakFilBw (RXA& rxa, int fil, double bw);
|
||||
static void SetmpeakFilGain (RXA& rxa, int fil, double gain);
|
||||
|
||||
private:
|
||||
static void calc_mpeak (MPEAK *a);
|
||||
static void decalc_mpeak (MPEAK *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
182
wdsp/phrot.cpp
Normal file
182
wdsp/phrot.cpp
Normal file
@ -0,0 +1,182 @@
|
||||
/* phrot.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "phrot.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Phase Rotator *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void PHROT::calc_phrot (PHROT *a)
|
||||
{
|
||||
double g;
|
||||
a->x0 = new double[a->nstages]; // (float *) malloc0 (a->nstages * sizeof (float));
|
||||
a->x1 = new double[a->nstages]; // (float *) malloc0 (a->nstages * sizeof (float));
|
||||
a->y0 = new double[a->nstages]; // (float *) malloc0 (a->nstages * sizeof (float));
|
||||
a->y1 = new double[a->nstages]; // (float *) malloc0 (a->nstages * sizeof (float));
|
||||
g = tan (PI * a->fc / (float)a->rate);
|
||||
a->b0 = (g - 1.0) / (g + 1.0);
|
||||
a->b1 = 1.0;
|
||||
a->a1 = a->b0;
|
||||
}
|
||||
|
||||
void PHROT::decalc_phrot (PHROT *a)
|
||||
{
|
||||
delete[] (a->y1);
|
||||
delete[] (a->y0);
|
||||
delete[] (a->x1);
|
||||
delete[] (a->x0);
|
||||
}
|
||||
|
||||
PHROT* PHROT::create_phrot (int run, int size, float* in, float* out, int rate, double fc, int nstages)
|
||||
{
|
||||
PHROT *a = new PHROT;
|
||||
a->reverse = 0;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->fc = fc;
|
||||
a->nstages = nstages;
|
||||
calc_phrot (a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void PHROT::destroy_phrot (PHROT *a)
|
||||
{
|
||||
decalc_phrot (a);
|
||||
delete (a);
|
||||
}
|
||||
|
||||
void PHROT::flush_phrot (PHROT *a)
|
||||
{
|
||||
memset (a->x0, 0, a->nstages * sizeof (double));
|
||||
memset (a->x1, 0, a->nstages * sizeof (double));
|
||||
memset (a->y0, 0, a->nstages * sizeof (double));
|
||||
memset (a->y1, 0, a->nstages * sizeof (double));
|
||||
}
|
||||
|
||||
void PHROT::xphrot (PHROT *a)
|
||||
{
|
||||
if (a->reverse)
|
||||
{
|
||||
for (int i = 0; i < a->size; i++)
|
||||
a->in[2 * i + 0] = -a->in[2 * i + 0];
|
||||
}
|
||||
|
||||
if (a->run)
|
||||
{
|
||||
int i, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
a->x0[0] = a->in[2 * i + 0];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0) a->x0[n] = a->y0[n - 1];
|
||||
a->y0[n] = a->b0 * a->x0[n]
|
||||
+ a->b1 * a->x1[n]
|
||||
- a->a1 * a->y1[n];
|
||||
a->y1[n] = a->y0[n];
|
||||
a->x1[n] = a->x0[n];
|
||||
}
|
||||
|
||||
a->out[2 * i + 0] = a->y0[a->nstages - 1];
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
std::copy( a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void PHROT::setBuffers_phrot (PHROT *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void PHROT::setSamplerate_phrot (PHROT *a, int rate)
|
||||
{
|
||||
decalc_phrot (a);
|
||||
a->rate = rate;
|
||||
calc_phrot (a);
|
||||
}
|
||||
|
||||
void PHROT::setSize_phrot (PHROT *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_phrot (a);
|
||||
}
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* TXA Properties *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void PHROT::SetPHROTRun (TXA& txa, int run)
|
||||
{
|
||||
PHROT *a = txa.phrot;
|
||||
a->run = run;
|
||||
|
||||
if (a->run)
|
||||
flush_phrot (a);
|
||||
}
|
||||
|
||||
void PHROT::SetPHROTCorner (TXA& txa, double corner)
|
||||
{
|
||||
PHROT *a = txa.phrot;
|
||||
decalc_phrot (a);
|
||||
a->fc = corner;
|
||||
calc_phrot (a);
|
||||
}
|
||||
|
||||
void PHROT::SetPHROTNstages (TXA& txa, int nstages)
|
||||
{
|
||||
PHROT *a = txa.phrot;
|
||||
decalc_phrot (a);
|
||||
a->nstages = nstages;
|
||||
calc_phrot (a);
|
||||
}
|
||||
|
||||
void PHROT::SetPHROTReverse (TXA& txa, int reverse)
|
||||
{
|
||||
PHROT *a = txa.phrot;
|
||||
a->reverse = reverse;
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
78
wdsp/phrot.hpp
Normal file
78
wdsp/phrot.hpp
Normal file
@ -0,0 +1,78 @@
|
||||
/* phrot.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Phase Rotator *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_phrot_h
|
||||
#define wdsp_phrot_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class TXA;
|
||||
|
||||
class WDSP_API PHROT
|
||||
{
|
||||
public:
|
||||
int reverse;
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
int rate;
|
||||
double fc;
|
||||
int nstages;
|
||||
// normalized such that a0 = 1
|
||||
double a1, b0, b1;
|
||||
double *x0, *x1, *y0, *y1;
|
||||
|
||||
static PHROT* create_phrot (int run, int size, float* in, float* out, int rate, double fc, int nstages);
|
||||
static void destroy_phrot (PHROT *a);
|
||||
static void flush_phrot (PHROT *a);
|
||||
static void xphrot (PHROT *a);
|
||||
static void setBuffers_phrot (PHROT *a, float* in, float* out);
|
||||
static void setSamplerate_phrot (PHROT *a, int rate);
|
||||
static void setSize_phrot (PHROT *a, int size);
|
||||
// TXA Properties
|
||||
static void SetPHROTRun (TXA& txa, int run);
|
||||
static void SetPHROTCorner (TXA& txa, double corner);
|
||||
static void SetPHROTNstages (TXA& txa, int nstages);
|
||||
static void SetPHROTReverse (TXA& txa, int reverse);
|
||||
|
||||
private:
|
||||
static void calc_phrot (PHROT *a);
|
||||
static void decalc_phrot (PHROT *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
136
wdsp/snotch.cpp
Normal file
136
wdsp/snotch.cpp
Normal file
@ -0,0 +1,136 @@
|
||||
/* iir.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "snotch.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Bi-Quad Notch *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void SNOTCH::calc_snotch (SNOTCH *a)
|
||||
{
|
||||
double fn, qk, qr, csn;
|
||||
fn = a->f / (float)a->rate;
|
||||
csn = cos (TWOPI * fn);
|
||||
qr = 1.0 - 3.0 * a->bw;
|
||||
qk = (1.0 - 2.0 * qr * csn + qr * qr) / (2.0 * (1.0 - csn));
|
||||
a->a0 = + qk;
|
||||
a->a1 = - 2.0 * qk * csn;
|
||||
a->a2 = + qk;
|
||||
a->b1 = + 2.0 * qr * csn;
|
||||
a->b2 = - qr * qr;
|
||||
flush_snotch (a);
|
||||
}
|
||||
|
||||
SNOTCH* SNOTCH::create_snotch (int run, int size, float* in, float* out, int rate, double f, double bw)
|
||||
{
|
||||
SNOTCH *a = new SNOTCH;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->f = f;
|
||||
a->bw = bw;
|
||||
calc_snotch (a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void SNOTCH::destroy_snotch (SNOTCH *a)
|
||||
{
|
||||
delete (a);
|
||||
}
|
||||
|
||||
void SNOTCH::flush_snotch (SNOTCH *a)
|
||||
{
|
||||
a->x1 = a->x2 = a->y1 = a->y2 = 0.0;
|
||||
}
|
||||
|
||||
void SNOTCH::xsnotch (SNOTCH *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
a->x0 = a->in[2 * i + 0];
|
||||
a->out[2 * i + 0] = a->a0 * a->x0 + a->a1 * a->x1 + a->a2 * a->x2 + a->b1 * a->y1 + a->b2 * a->y2;
|
||||
a->y2 = a->y1;
|
||||
a->y1 = a->out[2 * i + 0];
|
||||
a->x2 = a->x1;
|
||||
a->x1 = a->x0;
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
std::copy( a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void SNOTCH::setBuffers_snotch (SNOTCH *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void SNOTCH::setSamplerate_snotch (SNOTCH *a, int rate)
|
||||
{
|
||||
a->rate = rate;
|
||||
calc_snotch (a);
|
||||
}
|
||||
|
||||
void SNOTCH::setSize_snotch (SNOTCH *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_snotch (a);
|
||||
}
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* RXA Properties *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void SNOTCH::SetSNCTCSSFreq (SNOTCH *a, double freq)
|
||||
{
|
||||
a->f = freq;
|
||||
calc_snotch (a);
|
||||
}
|
||||
|
||||
void SNOTCH::SetSNCTCSSRun (SNOTCH *a, int run)
|
||||
{
|
||||
a->run = run;
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
70
wdsp/snotch.hpp
Normal file
70
wdsp/snotch.hpp
Normal file
@ -0,0 +1,70 @@
|
||||
/* snotch.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Bi-Quad Notch *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_snotch_h
|
||||
#define wdsp_snotch_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API SNOTCH
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f;
|
||||
double bw;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double x0, x1, x2, y1, y2;
|
||||
|
||||
static SNOTCH* create_snotch (int run, int size, float* in, float* out, int rate, double f, double bw);
|
||||
static void destroy_snotch (SNOTCH *a);
|
||||
static void flush_snotch (SNOTCH *a);
|
||||
static void xsnotch (SNOTCH *a);
|
||||
static void setBuffers_snotch (SNOTCH *a, float* in, float* out);
|
||||
static void setSamplerate_snotch (SNOTCH *a, int rate);
|
||||
static void setSize_snotch (SNOTCH *a, int size);
|
||||
static void SetSNCTCSSFreq (SNOTCH *a, double freq);
|
||||
static void SetSNCTCSSRun (SNOTCH *a, int run);
|
||||
|
||||
private:
|
||||
static void calc_snotch (SNOTCH *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
260
wdsp/speak.cpp
Normal file
260
wdsp/speak.cpp
Normal file
@ -0,0 +1,260 @@
|
||||
/* speak.cpp
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "comm.hpp"
|
||||
#include "speak.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Peaking *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void SPEAK::calc_speak (SPEAK *a)
|
||||
{
|
||||
double ratio;
|
||||
double f_corr, g_corr, bw_corr, bw_parm, A, f_min;
|
||||
|
||||
switch (a->design)
|
||||
{
|
||||
case 0:
|
||||
ratio = a->bw / a->f;
|
||||
switch (a->nstages)
|
||||
{
|
||||
case 4:
|
||||
bw_parm = 2.4;
|
||||
f_corr = 1.0 - 0.160 * ratio + 1.440 * ratio * ratio;
|
||||
g_corr = 1.0 - 1.003 * ratio + 3.990 * ratio * ratio;
|
||||
break;
|
||||
default:
|
||||
bw_parm = 1.0;
|
||||
f_corr = 1.0;
|
||||
g_corr = 1.0;
|
||||
break;
|
||||
}
|
||||
{
|
||||
double fn, qk, qr, csn;
|
||||
a->fgain = a->gain / g_corr;
|
||||
fn = a->f / (double)a->rate / f_corr;
|
||||
csn = cos (TWOPI * fn);
|
||||
qr = 1.0 - 3.0 * a->bw / (double)a->rate * bw_parm;
|
||||
qk = (1.0 - 2.0 * qr * csn + qr * qr) / (2.0 * (1.0 - csn));
|
||||
a->a0 = 1.0 - qk;
|
||||
a->a1 = 2.0 * (qk - qr) * csn;
|
||||
a->a2 = qr * qr - qk;
|
||||
a->b1 = 2.0 * qr * csn;
|
||||
a->b2 = - qr * qr;
|
||||
}
|
||||
break;
|
||||
|
||||
case 1:
|
||||
if (a->f < 200.0) a->f = 200.0;
|
||||
ratio = a->bw / a->f;
|
||||
switch (a->nstages)
|
||||
{
|
||||
case 4:
|
||||
bw_parm = 5.0;
|
||||
bw_corr = 1.13 * ratio - 0.956 * ratio * ratio;
|
||||
A = 2.5;
|
||||
f_min = 50.0;
|
||||
break;
|
||||
default:
|
||||
bw_parm = 1.0;
|
||||
bw_corr = 1.0;
|
||||
g_corr = 1.0;
|
||||
A = 2.5;
|
||||
f_min = 50.0;
|
||||
break;
|
||||
}
|
||||
{
|
||||
double w0, sn, c, den;
|
||||
if (a->f < f_min) a->f = f_min;
|
||||
w0 = TWOPI * a->f / (double)a->rate;
|
||||
sn = sin (w0);
|
||||
a->cbw = bw_corr * a->f;
|
||||
c = sn * sinh(0.5 * log((a->f + 0.5 * a->cbw * bw_parm) / (a->f - 0.5 * a->cbw * bw_parm)) * w0 / sn);
|
||||
den = 1.0 + c / A;
|
||||
a->a0 = (1.0 + c * A) / den;
|
||||
a->a1 = - 2.0 * cos (w0) / den;
|
||||
a->a2 = (1 - c * A) / den;
|
||||
a->b1 = - a->a1;
|
||||
a->b2 = - (1 - c / A ) / den;
|
||||
a->fgain = a->gain / pow (A * A, (double)a->nstages);
|
||||
}
|
||||
break;
|
||||
}
|
||||
flush_speak (a);
|
||||
}
|
||||
|
||||
SPEAK* SPEAK::create_speak (
|
||||
int run,
|
||||
int size,
|
||||
float* in,
|
||||
float* out,
|
||||
int rate,
|
||||
double f,
|
||||
double bw,
|
||||
double gain,
|
||||
int nstages,
|
||||
int design
|
||||
)
|
||||
{
|
||||
SPEAK *a = new SPEAK;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->f = f;
|
||||
a->bw = bw;
|
||||
a->gain = gain;
|
||||
a->nstages = nstages;
|
||||
a->design = design;
|
||||
a->x0 = new double[a->nstages * 2]; // (float *) malloc0 (a->nstages * sizeof (complex));
|
||||
a->x1 = new double[a->nstages * 2]; // (float *) malloc0 (a->nstages * sizeof (complex));
|
||||
a->x2 = new double[a->nstages * 2]; //(float *) malloc0 (a->nstages * sizeof (complex));
|
||||
a->y0 = new double[a->nstages * 2]; // (float *) malloc0 (a->nstages * sizeof (complex));
|
||||
a->y1 = new double[a->nstages * 2]; // (float *) malloc0 (a->nstages * sizeof (complex));
|
||||
a->y2 = new double[a->nstages * 2]; // (float *) malloc0 (a->nstages * sizeof (complex));
|
||||
calc_speak (a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void SPEAK::destroy_speak (SPEAK *a)
|
||||
{
|
||||
delete[] (a->y2);
|
||||
delete[] (a->y1);
|
||||
delete[] (a->y0);
|
||||
delete[] (a->x2);
|
||||
delete[] (a->x1);
|
||||
delete[] (a->x0);
|
||||
delete (a);
|
||||
}
|
||||
|
||||
void SPEAK::flush_speak (SPEAK *a)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < a->nstages; i++)
|
||||
{
|
||||
a->x1[2 * i + 0] = a->x2[2 * i + 0] = a->y1[2 * i + 0] = a->y2[2 * i + 0] = 0.0;
|
||||
a->x1[2 * i + 1] = a->x2[2 * i + 1] = a->y1[2 * i + 1] = a->y2[2 * i + 1] = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
void SPEAK::xspeak (SPEAK *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, j, n;
|
||||
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
for (j = 0; j < 2; j++)
|
||||
{
|
||||
a->x0[j] = a->fgain * a->in[2 * i + j];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[2 * n + j] = a->y0[2 * (n - 1) + j];
|
||||
a->y0[2 * n + j] = a->a0 * a->x0[2 * n + j]
|
||||
+ a->a1 * a->x1[2 * n + j]
|
||||
+ a->a2 * a->x2[2 * n + j]
|
||||
+ a->b1 * a->y1[2 * n + j]
|
||||
+ a->b2 * a->y2[2 * n + j];
|
||||
a->y2[2 * n + j] = a->y1[2 * n + j];
|
||||
a->y1[2 * n + j] = a->y0[2 * n + j];
|
||||
a->x2[2 * n + j] = a->x1[2 * n + j];
|
||||
a->x1[2 * n + j] = a->x0[2 * n + j];
|
||||
}
|
||||
|
||||
a->out[2 * i + j] = a->y0[2 * (a->nstages - 1) + j];
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
std::copy( a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void SPEAK::setBuffers_speak (SPEAK *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void SPEAK::setSamplerate_speak (SPEAK *a, int rate)
|
||||
{
|
||||
a->rate = rate;
|
||||
calc_speak (a);
|
||||
}
|
||||
|
||||
void SPEAK::setSize_speak (SPEAK *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_speak (a);
|
||||
}
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* RXA Properties *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void SPEAK::SetSPCWRun (RXA& rxa, int run)
|
||||
{
|
||||
SPEAK *a = rxa.speak;
|
||||
a->run = run;
|
||||
}
|
||||
|
||||
void SPEAK::SetSPCWFreq (RXA& rxa, double freq)
|
||||
{
|
||||
SPEAK *a = rxa.speak;
|
||||
a->f = freq;
|
||||
calc_speak (a);
|
||||
}
|
||||
|
||||
void SPEAK::SetSPCWBandwidth (RXA& rxa, double bw)
|
||||
{
|
||||
SPEAK *a = rxa.speak;
|
||||
a->bw = bw;
|
||||
calc_speak (a);
|
||||
}
|
||||
|
||||
void SPEAK::SetSPCWGain (RXA& rxa, double gain)
|
||||
{
|
||||
SPEAK *a = rxa.speak;
|
||||
a->gain = gain;
|
||||
calc_speak (a);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
89
wdsp/speak.hpp
Normal file
89
wdsp/speak.hpp
Normal file
@ -0,0 +1,89 @@
|
||||
/* speak.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Bi-Quad Peaking *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_speak_h
|
||||
#define wdsp_speak_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class RXA;
|
||||
|
||||
class WDSP_API SPEAK
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double f;
|
||||
double bw;
|
||||
double cbw;
|
||||
double gain;
|
||||
double fgain;
|
||||
int nstages;
|
||||
int design;
|
||||
double a0, a1, a2, b1, b2;
|
||||
double *x0, *x1, *x2, *y0, *y1, *y2;
|
||||
|
||||
static SPEAK* create_speak (
|
||||
int run,
|
||||
int size,
|
||||
float* in,
|
||||
float* out,
|
||||
int rate,
|
||||
double f,
|
||||
double bw,
|
||||
double gain,
|
||||
int nstages,
|
||||
int design
|
||||
);
|
||||
static void destroy_speak (SPEAK *a);
|
||||
static void flush_speak (SPEAK *a);
|
||||
static void xspeak (SPEAK *a);
|
||||
static void setBuffers_speak (SPEAK *a, float* in, float* out);
|
||||
static void setSamplerate_speak (SPEAK *a, int rate);
|
||||
static void setSize_speak (SPEAK *a, int size);
|
||||
// RXA
|
||||
static void SetSPCWRun (RXA& rxa, int run);
|
||||
static void SetSPCWFreq (RXA& rxa, double freq);
|
||||
static void SetSPCWBandwidth (RXA& rxa, double bw);
|
||||
static void SetSPCWGain (RXA& rxa, double gain);
|
||||
static void calc_speak (SPEAK *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
141
wdsp/sphp.cpp
Normal file
141
wdsp/sphp.cpp
Normal file
@ -0,0 +1,141 @@
|
||||
/* iir.c
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
#include "sphp.hpp"
|
||||
#include "RXA.hpp"
|
||||
#include "TXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Complex Single-Pole High-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
void SPHP::calc_sphp(SPHP *a)
|
||||
{
|
||||
double g;
|
||||
a->x0 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->x1 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y0 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
a->y1 = new double[a->nstages * 2]; // (float*)malloc0(a->nstages * sizeof(complex));
|
||||
g = exp(-TWOPI * a->fc / a->rate);
|
||||
a->b0 = +0.5 * (1.0 + g);
|
||||
a->b1 = -0.5 * (1.0 + g);
|
||||
a->a1 = -g;
|
||||
}
|
||||
|
||||
SPHP* SPHP::create_sphp(int run, int size, float* in, float* out, double rate, double fc, int nstages)
|
||||
{
|
||||
SPHP *a = new SPHP;
|
||||
a->run = run;
|
||||
a->size = size;
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
a->rate = rate;
|
||||
a->fc = fc;
|
||||
a->nstages = nstages;
|
||||
calc_sphp(a);
|
||||
return a;
|
||||
}
|
||||
|
||||
void SPHP::decalc_sphp(SPHP *a)
|
||||
{
|
||||
delete[](a->y1);
|
||||
delete[](a->y0);
|
||||
delete[](a->x1);
|
||||
delete[](a->x0);
|
||||
}
|
||||
|
||||
void SPHP::destroy_sphp(SPHP *a)
|
||||
{
|
||||
decalc_sphp(a);
|
||||
delete(a);
|
||||
}
|
||||
|
||||
void SPHP::flush_sphp(SPHP *a)
|
||||
{
|
||||
std::fill(a->x0, a->x0 + a->nstages * 2, 0);
|
||||
std::fill(a->x1, a->x0 + a->nstages * 2, 0);
|
||||
std::fill(a->y0, a->x0 + a->nstages * 2, 0);
|
||||
std::fill(a->y1, a->x0 + a->nstages * 2, 0);
|
||||
}
|
||||
|
||||
void SPHP::xsphp(SPHP *a)
|
||||
{
|
||||
if (a->run)
|
||||
{
|
||||
int i, j, n;
|
||||
for (i = 0; i < a->size; i++)
|
||||
{
|
||||
for (j = 0; j < 2; j++)
|
||||
{
|
||||
a->x0[j] = a->in[2 * i + j];
|
||||
|
||||
for (n = 0; n < a->nstages; n++)
|
||||
{
|
||||
if (n > 0)
|
||||
a->x0[2 * n + j] = a->y0[2 * (n - 1) + j];
|
||||
|
||||
a->y0[2 * n + j] = a->b0 * a->x0[2 * n + j]
|
||||
+ a->b1 * a->x1[2 * n + j]
|
||||
- a->a1 * a->y1[2 * n + j];
|
||||
a->y1[2 * n + j] = a->y0[2 * n + j];
|
||||
a->x1[2 * n + j] = a->x0[2 * n + j];
|
||||
}
|
||||
|
||||
a->out[2 * i + j] = a->y0[2 * (a->nstages - 1) + j];
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (a->out != a->in)
|
||||
{
|
||||
std::copy(a->in, a->in + a->size * 2, a->out);
|
||||
}
|
||||
}
|
||||
|
||||
void SPHP::setBuffers_sphp(SPHP *a, float* in, float* out)
|
||||
{
|
||||
a->in = in;
|
||||
a->out = out;
|
||||
}
|
||||
|
||||
void SPHP::setSamplerate_sphp(SPHP *a, int rate)
|
||||
{
|
||||
decalc_sphp(a);
|
||||
a->rate = rate;
|
||||
calc_sphp(a);
|
||||
}
|
||||
|
||||
void SPHP::setSize_sphp(SPHP *a, int size)
|
||||
{
|
||||
a->size = size;
|
||||
flush_sphp(a);
|
||||
}
|
||||
|
||||
} // namespace WDSP
|
72
wdsp/sphp.hpp
Normal file
72
wdsp/sphp.hpp
Normal file
@ -0,0 +1,72 @@
|
||||
/* sphp.h
|
||||
|
||||
This file is part of a program that implements a Software-Defined Radio.
|
||||
|
||||
Copyright (C) 2014, 2022, 2023 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
|
||||
|
||||
*/
|
||||
|
||||
/********************************************************************************************************
|
||||
* *
|
||||
* Double Single-Pole High-Pass *
|
||||
* *
|
||||
********************************************************************************************************/
|
||||
|
||||
#ifndef wdsp_sphp_h
|
||||
#define wdsp_sphp_h
|
||||
|
||||
#include "export.h"
|
||||
|
||||
namespace WDSP {
|
||||
|
||||
class WDSP_API SPHP
|
||||
{
|
||||
public:
|
||||
int run;
|
||||
int size;
|
||||
float* in;
|
||||
float* out;
|
||||
double rate;
|
||||
double fc;
|
||||
int nstages;
|
||||
double a1, b0, b1;
|
||||
double* x0, * x1, * y0, * y1;
|
||||
|
||||
// Complex Single-Pole High-Pass
|
||||
static SPHP* create_sphp(int run, int size, float* in, float* out, double rate, double fc, int nstages);
|
||||
static void destroy_sphp(SPHP *a);
|
||||
static void flush_sphp(SPHP *a);
|
||||
static void xsphp(SPHP *a);
|
||||
static void setBuffers_sphp(SPHP *a, float* in, float* out);
|
||||
static void setSamplerate_sphp(SPHP *a, int rate);
|
||||
static void setSize_sphp(SPHP *a, int size);
|
||||
|
||||
private:
|
||||
static void calc_sphp(SPHP *a);
|
||||
static void decalc_sphp(SPHP *a);
|
||||
};
|
||||
|
||||
} // namespace WDSP
|
||||
|
||||
#endif
|
||||
|
||||
|
@ -28,7 +28,7 @@ warren@pratt.one
|
||||
#include "comm.hpp"
|
||||
#include "cblock.hpp"
|
||||
#include "ssql.hpp"
|
||||
#include "iir.hpp"
|
||||
#include "dbqlp.hpp"
|
||||
#include "RXA.hpp"
|
||||
|
||||
namespace WDSP {
|
||||
|
@ -57,7 +57,7 @@ public:
|
||||
|
||||
class CBL;
|
||||
class FTDV;
|
||||
class BQLP;
|
||||
class DBQLP;
|
||||
class RXA;
|
||||
|
||||
class WDSP_API SSQL // Syllabic Squelch
|
||||
@ -85,7 +85,7 @@ public:
|
||||
int* wdbuff; // buffer containing output of window detector
|
||||
CBL *dcbl; // pointer to DC Blocker data structure
|
||||
FTOV *cvtr; // pointer to F to V Converter data structure
|
||||
BQLP *filt; // pointer to Bi-Quad Low-Pass Filter data structure
|
||||
DBQLP *filt; // pointer to Bi-Quad Low-Pass Filter data structure
|
||||
int ftov_rsize; // ring size for f_to_v converter
|
||||
double ftov_fmax; // fmax for f_to_v converter
|
||||
// window detector
|
||||
|
Loading…
Reference in New Issue
Block a user