def connect_client(trig_queue):
"""Helper method that instantiates the StimClient.
"""
# just wait till the main thread reaches stim_server.start()
time.sleep(0.2)
# instantiate StimClient
stim_client = StimClient('localhost', port=4218)
# wait a bit more for script to reach stim_server.add_trigger()
time.sleep(0.2)
trig_queue.put(stim_client.get_trigger())
def connect_client(trig_queue):
"""Helper method that instantiates the StimClient.
"""
# just wait till the main thread reaches stim_server.start()
time.sleep(0.2)
# instantiate StimClient
stim_client = StimClient('localhost', port=4218)
# wait a bit more for script to reach stim_server.add_trigger()
time.sleep(0.2)
trig_queue.put(stim_client.get_trigger())
def _connect_client(trig_queue):
"""Instantiate the StimClient."""
# just wait till the main thread reaches stim_server.start()
t0 = time.time()
while (time.time() - t0 < _max_wait and
(_server is None or not _server._running)):
time.sleep(0.01)
assert _server is not None and _server._running
# instantiate StimClient
stim_client = StimClient('localhost', port=4218)
# wait for script to reach stim_server.add_trigger()
t0 = time.time()
while (time.time() - t0 < _max_wait and not _have_put_in_trigger):
time.sleep(0.01)
assert _have_put_in_trigger
trig_queue.put(stim_client.get_trigger())
stim_client.close()
def _connect_client(trig_queue):
"""Instantiate the StimClient."""
# just wait till the main thread reaches stim_server.start()
t0 = time.time()
while (time.time() - t0 < _max_wait
and (_server is None or not _server._running)):
time.sleep(0.01)
assert _server is not None and _server._running
# instantiate StimClient
stim_client = StimClient('localhost', port=4218)
# wait for script to reach stim_server.add_trigger()
t0 = time.time()
while (time.time() - t0 < _max_wait and not _have_put_in_trigger):
time.sleep(0.01)
assert _have_put_in_trigger
trig_queue.put(stim_client.get_trigger())
stim_client.close()
ev_list.append(ev_list[-1]) # use the last stimuli
# draw left or right checkerboard according to ev_list
if ev_list[ii] == 3:
left_cb.draw()
else:
right_cb.draw()
fixation.draw() # draw fixation
mywin.flip() # show the stimuli
timer1.reset() # reset timer
timer1.add(0.75) # display stimuli for 0.75 sec
# return within 0.2 seconds (< 0.75 seconds) to ensure good timing
trig = stim_client.get_trigger(timeout=0.2)
# wait till 0.75 sec elapses
while timer1.getTime() < 0:
pass
fixation.draw() # draw fixation
mywin.flip() # show fixation dot
timer2.reset() # reset timer
timer2.add(0.25) # display stimuli for 0.25 sec
# display fixation cross for 0.25 seconds
while timer2.getTime() < 0:
pass
ev_list = list() # list of events displayed
# start with right checkerboard stimuli. This is required
# because the ev_list.append(ev_list[-1]) will not work
# if ev_list is empty.
trig = 4
stim_duration = 1.0
# iterating over 50 epochs
for ii in range(50):
if trig is not None:
ev_list.append(trig) # use the last trigger received
else:
ev_list.append(ev_list[-1]) # use the last stimuli
# draw left or right checkerboard according to ev_list
if ev_list[ii] == 3:
print('Stimulus: left checkerboard')
else:
print('Stimulus: right checkerboard')
last_stim_time = time.time()
trig = stim_client.get_trigger(timeout=(stim_duration - 0.05))
time.sleep(max(stim_duration - (time.time() - last_stim_time), 0))
print('Stimulus: Fixation Cross')
ev_list = list() # list of events displayed
# start with right checkerboard stimuli. This is required
# because the ev_list.append(ev_list[-1]) will not work
# if ev_list is empty.
trig = 4
stim_duration = 1.0
# iterating over 50 epochs
for ii in range(50):
if trig is not None:
ev_list.append(trig) # use the last trigger received
else:
ev_list.append(ev_list[-1]) # use the last stimuli
# draw left or right checkerboard according to ev_list
if ev_list[ii] == 3:
print('Stimulus: left checkerboard')
else:
print('Stimulus: right checkerboard')
last_stim_time = time.time()
trig = stim_client.get_trigger(timeout=(stim_duration - 0.05))
time.sleep(max(stim_duration - (time.time() - last_stim_time), 0))
print('Stimulus: Fixation Cross')
time.sleep(0.25)
