def aquire_and_append_metrics(inlet, fs, data_processor: DataProcessor):
"""Get metrics from inlet and append to data processor
Parameters:
-----------
Returns:
--------
None: updates dataprocessor
"""
# Obtain EEG data from the LSL stream
eeg_data, timestamp = acquire_eeg_data(inlet, fs)
data_processor.feed_new_data(eeg_data=eeg_data) # Feed new data generated in the epoch
data_processor.append_metrics()
