def root2widget(root):
window = 1.0
device = Dummy()
mask_controller = MaskController(device.n_chans)
stream_inlet = device.get_stream_inlet(timeout=1)
signal_interface = WindowedSignal(stream_inlet, window)
widget = visualizer(root, signal_interface, mask_controller)
return widget
def root2widget(root):
window = 1.0
device = Dummy()
mask_controller = MaskController(device.n_chans)
stream_inlet = device.get_stream_inlet(timeout=1)
signal_interface = WindowedSignal(stream_inlet, window)
widget = Spectrogram(root, signal_interface, mask_controller)
return widget
def root2widget(root):
window = 1.0
device = Dummy()
mask_controller = MaskController(device.n_chans)
stream_inlet = device.get_stream_inlet(timeout=1)
windowed_signal = WindowedSignal(stream_inlet, window)
widget = Analyser(
root, build_analyser=build_analyser, windowed_signal=windowed_signal, mask_controller=mask_controller
)
return widget
def root2widget(root):
window = 1.0
device = Dummy()
mask_controller = MaskController(device.n_chans)
stream_inlet = device.get_stream_inlet(timeout=1)
windowed_signal = WindowedSignal(stream_inlet, window)
widget = Analyser(root,
build_analyser=build_analyser,
windowed_signal=windowed_signal,
mask_controller=mask_controller)
return widget
def test_signal_interface():
window = 0.1
tol = 0.1
device = Dummy()
stream_inlet = device.get_stream_inlet(timeout=1)
signal_interface = WindowedSignal(stream_inlet, window)
data = signal_interface.get_epoch()
time.sleep(window)
data = signal_interface.get_epoch()
for i in range(3):
time.sleep(window)
data = signal_interface.get_epoch()
relative_val = (len(data)-device.sfreq*window) / device.sfreq*window
assert abs(relative_val) < tol
def test_signal_interface():
window = 0.1
tol = 0.1
device = Dummy()
stream_inlet = device.get_stream_inlet(timeout=1)
signal_interface = WindowedSignal(stream_inlet, window)
data = signal_interface.get_epoch()
time.sleep(window)
data = signal_interface.get_epoch()
for i in range(3):
time.sleep(window)
data = signal_interface.get_epoch()
relative_val = (len(data) -
device.sfreq * window) / device.sfreq * window
assert abs(relative_val) < tol
"""Example program to show how to read a multi-channel time series from LSL."""
from pylsl import StreamInlet, resolve_byprop
from hci.sources import Dummy
import time
# first resolve an EEG stream on the lab network
print("looking for an EEG stream...")
#source_id = Experiment.source_id
#stream = resolve_byprop('source_id', source_id, timeout=1)[0]
# create a new inlet to read from the stream
#print(stream)
dummy = Dummy()
inlet = dummy.get_stream_inlet()
while True:
# get a new sample (you can also omit the timestamp part if you're not
# interested in it)
time.sleep(1)
sample, timestamp = inlet.pull_chunk()
print(len(timestamp))
