VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2026-08-14 15:33:34 -04:00
Code Issues Projects Releases Wiki Activity

WDSP Receiver: added squelch support plus corrections

Browse Source
This commit is contained in:
f4exb
2024-07-06 03:25:41 +02:00
parent ffef9ab48f
commit 043d9da47e
22 changed files with 1099 additions and 283 deletions
Download Patch File Download Diff File Expand all files Collapse all files
wdsp/ssql.cpp
+17 -17
View File
@@ -39,7 +39,7 @@ namespace WDSP {
* *
********************************************************************************************************/
FTOV* FTOV::create_ftov (int run, int size, int rate, int rsize, float fmax, float* in, float* out)
FTOV* FTOV::create_ftov (int run, int size, int rate, int rsize, double fmax, float* in, float* out)
{
FTOV *a = new FTOV;
a->run = run;
@@ -92,7 +92,7 @@ void FTOV::xftov (FTOV *a)
a->rcount++; // increment the count
}
if (++a->rptr == a->rsize) a->rptr = 0; // increment and wrap the pointer as needed
a->out[0] = std::min (1.0f, (float)a->rcount / a->div); // calculate the output sample
a->out[0] = std::min (1.0, (double)a->rcount / a->div); // calculate the output sample
a->inlast = a->in[a->size - 1]; // save the last input sample for next buffer
for (int i = 1; i < a->size; i++)
{
@@ -108,7 +108,7 @@ void FTOV::xftov (FTOV *a)
a->rcount++; // increment the count
}
if (++a->rptr == a->rsize) a->rptr = 0; // increment and wrap the pointer as needed
a->out[i] = std::min(1.0f, (float)a->rcount / a->div); // calculate the output sample
a->out[i] = std::min(1.0, (double)a->rcount / a->div); // calculate the output sample
}
}
}
@@ -120,15 +120,15 @@ void FTOV::xftov (FTOV *a)
void SSQL::compute_ssql_slews(SSQL *a)
{
int i;
float delta, theta;
delta = PI / (float)a->ntup;
double delta, theta;
delta = PI / (double)a->ntup;
theta = 0.0;
for (i = 0; i <= a->ntup; i++)
{
a->cup[i] = a->muted_gain + (1.0 - a->muted_gain) * 0.5 * (1.0 - cos(theta));
theta += delta;
}
delta = PI / (float)a->ntdown;
delta = PI / (double)a->ntdown;
theta = 0.0;
for (i = 0; i <= a->ntdown; i++)
{
@@ -187,15 +187,15 @@ SSQL* SSQL::create_ssql (
float* in,
float* out,
int rate,
float tup,
float tdown,
float muted_gain,
float tau_mute,
float tau_unmute,
float wthresh,
float tr_thresh,
double tup,
double tdown,
double muted_gain,
double tau_mute,
double tau_unmute,
double wthresh,
double tr_thresh,
int rsize,
float fmax
double fmax
)
{
SSQL *a = new SSQL;
@@ -355,7 +355,7 @@ void SSQL::SetSSQLRun (RXA& rxa, int run)
rxa.csDSP.unlock();
}
void SSQL::SetSSQLThreshold (RXA& rxa, float threshold)
void SSQL::SetSSQLThreshold (RXA& rxa, double threshold)
{
// 'threshold' should be between 0.0 and 1.0
// WU2O testing: 0.16 is a good default for 'threshold'; => 0.08 for 'wthresh'
@@ -364,7 +364,7 @@ void SSQL::SetSSQLThreshold (RXA& rxa, float threshold)
rxa.csDSP.unlock();
}
void SSQL::SetSSQLTauMute (RXA& rxa, float tau_mute)
void SSQL::SetSSQLTauMute (RXA& rxa, double tau_mute)
{
// reasonable (wide) range is 0.1 to 2.0
// WU2O testing: 0.1 is good default value
@@ -375,7 +375,7 @@ void SSQL::SetSSQLTauMute (RXA& rxa, float tau_mute)
rxa.csDSP.unlock();
}
void SSQL::SetSSQLTauUnMute (RXA& rxa, float tau_unmute)
void SSQL::SetSSQLTauUnMute (RXA& rxa, double tau_unmute)
{
// reasonable (wide) range is 0.1 to 1.0
// WU2O testing: 0.1 is good default value