def __init__(self,
TTL=True,
photosensor=None,
photosensor_position="bottomleft",
stimtracker=False,
stimtracker_duration=5):
self.method = method
self.photosensor = photosensor
self.photosensor_position = photosensor_position
self.stimtracker = stimtracker
self.stimtracker_duration = stimtracker_duration
if self.method == "TTL":
try:
from ctypes import windll
global io
io = windll.dlportio # requires dlportio.dll !
except:
print(
"NEUROPSYDIA WARNING: Trigger(): The parallel port couldn't be opened"
)
if self.stimtracker == True:
import pyxid
global device
device = pyxid.get_xid_devices()
device = device[0]
device.set_pulse_duration(self.stimtracker_duration)
def create_nirs_dev():
try:
import pyxid
devices = pyxid.get_xid_devices()
dev = devices[0]
return dev
except:
raise Exception("Can't connect to NIRS")
def create_nirs_dev():
try:
import pyxid
devices = pyxid.get_xid_devices()
dev = devices[0]
return dev
except:
raise Exception("Can't connect to NIRS")
def __init__(self, ec, force_quit_keys):
import pyxid
pyxid.use_response_pad_timer = True
dev = pyxid.get_xid_devices()[0]
dev.reset_base_timer()
assert dev.is_response_device()
self._dev = dev
super(CedrusBox, self).__init__(ec, force_quit_keys)
ec._time_correction_maxs['keypress'] = 1e-3 # higher tolerance
def __init__(self, ec, force_quit_keys):
import pyxid
pyxid.use_response_pad_timer = True
dev = pyxid.get_xid_devices()[0]
dev.reset_base_timer()
assert dev.is_response_device()
self._dev = dev
self._keyboard_buffer = []
super(CedrusBox, self).__init__(ec, force_quit_keys)
ec._time_correction_maxs['keypress'] = 1e-3 # higher tolerance
def __init__(self, device_ID=0, error_screen=True):
"""Create a Cedrus Device Input.
Notes
-----
If no Cedrus device is connected, an error text screen will be
presented informing that the device could not be found and suggesting
to check the connection and to switch on the device. After keypress the
class tries to reconnect with the device. Use <q> to quit this
procedure.
Parameters
----------
device_id : int, optional
device ID (default=0). Only required if more than one
Cedrus Devices are connected.
error_screen : bool, optional
set False to switch off the 'device not found' error screen.
An exception will be raise instead (default=True)
"""
Input.__init__(self)
if type(_pyxid) is not types.ModuleType:
message = """CedrusDevice can not be initialized, because the Python package
'pyxid' is not installed. See Expyriment online documentation."""
raise ImportError(message)
while True:
devices = _pyxid.get_xid_devices()
if len(devices) < 1:
message = "Could not find a Cedrus Device. Please check the connection and \n"\
+ " ensure that the device is switch on."
else:
if not devices[device_ID].is_response_device():
message = "Cedrus Device #{0} is not a response device.".format(
device_ID)
else:
self._xid = devices[device_ID]
break
if error_screen and expyriment._active_exp.is_initialized:
expyriment.stimuli.TextScreen(
"Error", message +
" Press a key to reconnect to the device.").present()
expyriment._active_exp.keyboard.wait()
expyriment.stimuli.BlankScreen().present()
expyriment._active_exp.clock.wait(300)
else:
raise IOError(message)
self._xid.reset_base_timer()
self._xid.reset_rt_timer()
self._device_ID = device_ID
self._buffer = expyriment.misc.Buffer(
name="Cedrus Device {0}".format(device_ID))
def get_stimtracker(trigger_duration=5):
for dev in pyxid.get_xid_devices():
if dev.is_stimtracker():
dev.set_pulse_duration(trigger_duration)
return dev
print "STIMTRACKER NOT FOUND!"
decision=raw_input('Continue anyway? [y/n]: ')
if decision=='y':
return NullStimtracker()
else:
core.quit()
def __init__(self, device_ID=0, error_screen=True):
"""Create a Cedrus Device Input.
Notes
-----
If no Cedrus device is connected, an error text screen will be
presented informing that the device could not be found and suggesting
to check the connection and to switch on the device. After keypress the
class tries to reconnect with the device. Use <q> to quit this
procedure.
Parameters
----------
device_id : int, optional
device ID (default=0). Only required if more than one
Cedrus Devices are connected.
error_screen : bool, optional
set False to switch off the 'device not found' error screen.
An exception will be raise instead (default=True)
"""
Input.__init__(self)
if not isinstance(_pyxid, ModuleType):
message = """CedrusDevice can not be initialized, because the Python package
'pyxid' is not installed. See Expyriment online documentation."""
raise ImportError(message)
while True:
devices = _pyxid.get_xid_devices()
if len(devices) < 1:
message = "Could not find a Cedrus Device. Please check the connection and \n"\
+ " ensure that the device is switch on."
else:
if not devices[device_ID].is_response_device():
message = "Cedrus Device #{0} is not a response device.".format(
device_ID)
else:
self._xid = devices[device_ID]
break
if error_screen and _internals.active_exp.is_initialized:
stimuli.TextScreen("Error", message +
" Press a key to reconnect to the device.").present()
_internals.active_exp.keyboard.wait()
stimuli.BlankScreen().present()
_internals.active_exp.clock.wait(300)
else:
raise IOError(message)
self._xid.reset_base_timer()
self._xid.reset_rt_timer()
self._device_ID = device_ID
self._buffer = misc.Buffer(name="Cedrus Device {0}".format(
device_ID))
def __init__(self):
"""Find the device on the system and initialize it
"""
## declare some variables that are used to interact with the
## voice key
self.vk = None
self.response = None
## assume that the voice key is the only XID device currently
## plugged in
devices = pyxid.get_xid_devices()
## According to documentation, Windows machines may have to
## check twice
if len(devices) > 0:
self.vk = devices[0]
else:
devices = pyxid.get_xid_devices()
self.vk = devices[0]
## reset the experiment timer
self.vk.reset_base_timer()
def __init__(self):
"""Find the device on the system and initialize it
"""
## declare some variables that are used to interact with the
## voice key
self.vk = None
self.response = None
## assume that the voice key is the only XID device currently
## plugged in
devices = pyxid.get_xid_devices()
## According to documentation, Windows machines may have to
## check twice
if len(devices) > 0:
self.vk = devices[0]
else:
devices = pyxid.get_xid_devices()
self.vk = devices[0]
## reset the experiment timer
self.vk.reset_base_timer()
def StartResponsePad():
import pyxid
global green, blue
dev = pyxid.get_xid_devices()[0]
dev.reset_base_timer()
while True:
dev.poll_for_response()
if dev.response_queue_size() > 0:
response = dev.get_next_response()
if response['pressed'] == True:
if response['key'] == 3:
blue = True
if response['key'] == 7:
green = True
mask=None,
ori=0,
pos=[0, 0],
size=[0.35, 0.45],
color=[1, 1, 1],
colorSpace='rgb',
opacity=1,
flipHoriz=False,
flipVert=False,
texRes=128,
interpolate=True,
depth=0.0)
p_port_circle = parallel.ParallelPort(address=u'0xD010')
for n in range(10): #Cedrus connection doesn't always work first time!
try:
devices = pyxid.get_xid_devices()
core.wait(0.1)
buttonBox_Response = devices[0]
break #once we found the device we can break the loop
except:
pass
buttonBox_Response.status = NOT_STARTED
buttonBox_Response.clock = core.Clock()
# Initialize components for Routine "response"
responseClock = core.Clock()
textPreFback = visual.TextStim(win=win,
ori=0,
name='textPreFback',
text=u'+',
font=u'Arial',
expName='None'#from the Builder filename that created this script
expInfo={'participant':'', 'session':'001'}
dlg=gui.DlgFromDict(dictionary=expInfo,title=expName)
if dlg.OK==False: core.quit() #user pressed cancel
expInfo['date']=data.getDateStr()#add a simple timestamp
expInfo['expName']=expName
#setup files for saving
if not os.path.isdir('data'):
os.makedirs('data') #if this fails (e.g. permissions) we will get error
filename='data' + os.path.sep + '%s_%s' %(expInfo['participant'], expInfo['date'])
psychopy.log.console.setLevel(psychopy.log.WARNING)#this outputs to the screen, not a file
logFile=psychopy.log.LogFile(filename+'.log', level=psychopy.log.EXP)
# get a list of all attached XID devices
for i in range(5):
devices = pyxid.get_xid_devices()
if len(devices)>0: break
print devices
dev = devices[0] # get the first device to use
if dev.is_response_device():
dev.reset_base_timer()
dev.reset_rt_timer()
#set key_num as the inded key for responses
key_num = 3
def wait_for_response(dev, key_num, action):
if action=='press': action=True
elif action=='release': action=False
dev.clear_response_queue()
print 'response_queue:', dev.response_queue
