Method begin

src/audio_pdm/Recorder.cpp:28–41

}

bool Recorder::begin() {
    if (_available) return true;
    if (!device || !target) return false;
    device->setBuffer(PDM_BUFFER, pdm_b_size, pdm_b_count);
    _sampleRate = device->setSampleRate(_sampleRate);
    _channels = device->setChannels(_channels);
    target->setSampleRate(_sampleRate);
    target->setChannels(_channels);
    target->begin();
    if (!target->available()) return false;
    _available = device->begin();
    if(!_available) target->end();
    return _available;
}

bool Recorder::available() {
    return _available;