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new fixes

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This commit is contained in:
Ryzerth
2020-10-20 00:32:17 +02:00
parent 027054b57e
commit 6e5450ed24
19 changed files with 298 additions and 96 deletions
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57
core/src/dsp/block.h
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@ -119,4 +119,61 @@ namespace dsp {
}
};
class Squelch : public Block<Squelch, complex_t, complex_t, 1, 1> {
public:
Squelch() : Block({1}, {1}, this, worker) {}
void init(stream<complex_t>* input, int blockSize) {
in[0] = input;
inputBlockSize[0] = blockSize;
out[0]->setMaxLatency(blockSize * 2);
outputBlockSize[0] = blockSize;
level = -50.0f;
}
float level;
int onCount;
int offCount;
private:
static void worker(Squelch* _this) {
int blockSize = _this->inputBlockSize[0];
stream<complex_t>* in = _this->in[0];
stream<complex_t>* out = _this->out[0];
complex_t* buf = new complex_t[blockSize];
int _on = 0, _off = 0;
bool active = false;
while (true) {
if (in->read(buf, blockSize) < 0) { break; };
for (int i = 0; i < blockSize; i++) {
if (log10(sqrt((buf[i].i*buf[i].i) + (buf[i].q*buf[i].q))) * 10.0f > _this->level) {
_on++;
_off = 0;
}
else {
_on = 0;
_off++;
}
if (_on >= _this->onCount && !active) {
_on = _this->onCount;
active = true;
}
if (_off >= _this->offCount && active) {
_off = _this->offCount;
active = false;
}
if (!active) {
buf[i].i = 0.0f;
buf[i].q = 0.0f;
}
}
if (out->write(buf, blockSize) < 0) { break; };
}
delete[] buf;
}
};
};