class DftControl():
def __init__(self, buffer_size=50, window_length=5):
self.buffer = RingBuffer(buffer_size)
self.dftobj = Dft()
self.window_length = window_length
def control(self, data):
self.buffer.add(float(data.value))
if self.buffer.fillLevel() < self.window_length:
return None
result = self.dftobj.dft(self.convert(data), self.window_length)
return result
def convert(self, data):
return np.asarray(data)
def __init__(self, buffer_size=50, window_length=5):
self.buffer = RingBuffer(buffer_size)
self.dftobj = Dft()
self.window_length = window_length
