elphyio.py 文件源码

def get_rspk_data(self, spk_channel):
        """
        Return times stored as a 4-bytes integer
        in the specified event channel.
        """
        evt_blocks = self.get_blocks_of_type('RSPK')
        #compute events on each channel
        n_events = np.sum([k.n_events for k in evt_blocks], dtype=int, axis=0)
        pre_events = np.sum(n_events[0:spk_channel], dtype=int) # sum of array values up to spk_channel-1!!!!
        start = pre_events + (7 + len(n_events))# rspk header
        end = start + n_events[spk_channel]
        expected_size = 4 * np.sum(n_events, dtype=int) # constant
        return self.load_bytes(evt_blocks, dtype='<i4', start=start, end=end, expected_size=expected_size)


# ---------------------------------------------------------
# factories.py