def initStimulusRingBuffer(self):
    'initialize the data ring buffer, by getting some seed messages and datapackets to get the data sizes etc.'
    self.stimulus_ringbuffer = RingBuffer(maxsize=((self.fs * self.datawindow_ms) / 1000), shape=(257,), dtype=np.float32)
initialize the data ring buffer, by getting some seed messages and datapackets to get the data sizes etc.
def initStimulusRingBuffer(self):
    
    self.stimulus_ringbuffer = RingBuffer(maxsize=((self.fs * self.datawindow_ms) / 1000), shape=(257,), dtype=np.float32)