updateWavefromData method
Updates and returns the current waveform (time-domain) data.
Values are 0-255, centered at 128 (silence).
Implementation
Uint8List updateWavefromData() {
if (_backend == null) {
final data = Uint8List(_fftSize);
data.fillRange(0, data.length, 128);
return data;
}
return _backend!.updateWaveformData();
}