def run(self,*args,**kwargs):
"""
"""
# PLEASE REMEMBER , THE SCREEN ORIGIN IS ALWAYS IN THE CENTER OF THE SCREEN,
# REGARDLESS OF THE COORDINATE SPACE YOU ARE RUNNING IN. THIS MEANS 0,0 IS SCREEN CENTER,
# -x_min, -y_min is the screen bottom left
# +x_max, +y_max is the screen top right
#
# *** RIGHT NOW, ONLY PIXEL COORD SPACE IS SUPPORTED. THIS WILL BE FIXED SOON. ***
ENABLE_NOISY_MOUSE=True
# Let's make some short-cuts to the devices we will be using in this 'experiment'.
mouse=self.devices.mouse
display=self.devices.display
kb=self.devices.kb
#Computer.enableHighPriority()
# Create a psychopy window, using settings from Display device config
psychoWindow = FullScreenWindow(display)#,res=(500,500),fullscr=False,allowGUI=True)
# Hide the 'system mouse cursor' so we can display a cool gaussian mask for a mouse cursor.
#mouse.setSystemCursorVisibility(False)
# Set the mouse position to 0,0, which means the 'center' of the screen.
mouse.setPosition((0.0,0.0))
# Read the current mouse position (should be 0,0) ;)
currentPosition=mouse.getPosition()
mouse.lockMouseToDisplayID(display.getIndex())
# Create an ordered dictionary of psychopy stimuli. An ordered dictionary is one that returns keys in the order
# they are added, you you can use it to reference stim by a name or by 'zorder'
psychoStim=OrderedDict()
psychoStim['grating'] = visual.PatchStim(psychoWindow, mask="circle", size=75,pos=[-100,0], sf=.075)
psychoStim['fixation'] =visual.PatchStim(psychoWindow, size=25, pos=[0,0], sf=0, color=[-1,-1,-1], colorSpace='rgb')
psychoStim['keytext'] = visual.TextStim(psychoWindow, text=u'?', pos = [100,200], height=48, color=[-1,-1,-1], colorSpace='rgb',alignHoriz='center',alignVert='center',wrapWidth=400.0)
psychoStim['ucodetext'] = visual.TextStim(psychoWindow, text=u'?', pos = [-100,200], height=48, color=[-1,-1,-1], colorSpace='rgb',alignHoriz='center',alignVert='center',wrapWidth=400.0)
psychoStim['mods'] = visual.TextStim(psychoWindow, text=u'?', pos = [0,-200], height=48, color=[-1,-1,-1], colorSpace='rgb',alignHoriz='center',alignVert='center',wrapWidth=400.0)
psychoStim['mouseDot'] =visual.GratingStim(psychoWindow,tex=None, mask="gauss", pos=currentPosition,size=(50,50),color='purple')
# Clear all events from the global and device level event buffers.
self.hub.clearEvents('all')
QUIT_EXP=False
# Loop until we get a keyboard event with the space, Enter (Return), or Escape key is pressed.
while QUIT_EXP is False:
# for each loop, update the grating phase
psychoStim['grating'].setPhase(0.05, '+')#advance phase by 0.05 of a cycle
# and update the mouse contingent gaussian based on the current mouse location
mx,my=mouse.getPosition()
if ENABLE_NOISY_MOUSE:
mx=np.random.random_integers(mx-10,mx+10)
my=np.random.random_integers(my-10,my+10)
psychoStim['mouseDot'].setPos((mx,my))
# redraw the stim
[psychoStim[stimName].draw() for stimName in psychoStim]
# flip the psychopy window buffers, so the stim changes you just made get displayed.
psychoWindow.flip()
# it is on this side of the call that you know the changes have been displayed, so you can
# make a call to the ioHub time method and get the time of the flip, as the built in
# time methods represent both experiment process and ioHub server process time.
# Most times in ioHub are represented sec.msec format to match that of Psychopy.
flip_time=Computer.currentSec()
# send a message to the iohub with the message text that a flip occurred and what the mouse position was.
# since we know the ioHub server time the flip occurred on, we can set that directly in the event.
self.hub.sendMessageEvent("Flip %s"%(str(currentPosition),), sec_time=flip_time)
# get any new keyboard char events from the keyboard device
# for each new keyboard character event, check if it matches one of the end example keys.
for k in kb.getEvents():
if k.key.upper() in ['ESCAPE', ] and k.type==EventConstants.KEYBOARD_CHAR:
print 'Quit key pressed: ',k.key,' for ',k.duration,' sec.'
QUIT_EXP=True
print u'{0}: time: {1}\t\tord: {2}.\t\tKey: [{3}]\t\tMods: {4}'.format(k.time,EventConstants.getName(k.type),k.ucode,k.key,k.modifiers)
psychoStim['keytext'].setText(k.key)
psychoStim['ucodetext'].setText(unichr(k.ucode))
psychoStim['mods'].setText(str(k.modifiers))
#for e in mouse.getEvents():
# print 'Event: ',e
self.hub.clearEvents('all')
# wait 250 msec before ending the experiment (makes it feel less abrupt after you press the key)
actualDelay=self.hub.wait(0.250)
print "Delay requested %.6f, actual delay %.6f, Diff: %.6f"%(0.250,actualDelay,actualDelay-0.250)
# for fun, test getting a bunch of events at once, likely causing a mutlipacket getEvents()
stime = Computer.currentSec()
events=self.hub.getEvents()
etime=Computer.currentSec()
if events is None:
events=[]
print 'event count: ', len(events),' delay (msec): ',(etime-stime)*1000.0
# _close neccessary files / objects, 'disable high priority.
psychoWindow.close()
def _processDeviceEventIteration(self):
for device in self.devices:
try:
events=device._getNativeEventBuffer()
#if events and len(events)>0:
# ioHub.print2err("_processDeviceEventIteration.....", device._event_listeners)
while len(events)>0:
evt=events.popleft()
e=device._getIOHubEventObject(evt)
if e is not None:
for l in device._getEventListeners(e[DeviceEvent.EVENT_TYPE_ID_INDEX]):
l._handleEvent(e)
except:
ioHub.printExceptionDetailsToStdErr()
ioHub.print2err("Error in processDeviceEvents: ", device, " : ", len(events), " : ", e)
ioHub.print2err("Event type ID: ",e[DeviceEvent.EVENT_TYPE_ID_INDEX], " : " , EventConstants.getName(e[DeviceEvent.EVENT_TYPE_ID_INDEX]))
ioHub.print2err("--------------------------------------")
