def triggerPeak(self, pinNumber):
if self.disabled:
return
for k in range(20):
parallel.setPin(pinNumber, 1) # trigger on
for k in range(20):
parallel.setData(0) # trigger off
nFramesOff = 30
nCycles = 2
parallel.setPortAddress(0x378) #address for parallel port on many machines
pinNumber = 2 #choose a pin to write to (2-9).
#setup the stimuli and other objects we need
myWin = visual.Window([1280, 1024], allowGUI=False) #make a window
myWin.flip() #present it
myStim = visual.PatchStim(myWin, tex=None, mask=None, color='white', size=2)
myClock = core.Clock() #just to keep track of time
#present a stimulus for EXACTLY 20 frames and exactly 5 cycles
for cycleN in range(nCycles):
for frameN in range(nFramesOff):
#don't draw, just refresh the window
myWin.flip()
parallel.setData(0) #sets all pins low
for frameN in range(nFramesOn):
myStim.draw()
myWin.flip()
#immediately *after* screen refresh set pins as desired
parallel.setPin(2, 1) #sets just this pin to be high
#report the mean time afterwards
print 'total time=', myClock.getTime()
print 'avg frame rate=', myWin.fps()
#set pins back to low
myWin.flip()
parallel.setData(0) #sets all pins low again
win = visual.Window([1280, 1024], allowGUI=False) # make a window
win.flip() # present it
myStim = visual.GratingStim(win, tex=None, mask=None, color='white', size=2)
myClock = core.Clock() # just to keep track of time
# present a stimulus for EXACTLY 20 frames and exactly 5 cycles
for cycleN in range(nCycles):
for frameN in range(nFramesOff):
# don't draw, just refresh the window
win.flip()
parallel.setData(0) # sets all pins low
for frameN in range(nFramesOn):
myStim.draw()
win.flip()
# immediately *after* screen refresh set pins as desired
parallel.setPin(2, 1) # sets just this pin to be high
# report the mean time afterwards
print('total time=%0.6f' % myClock.getTime())
print('avg frame rate=%0.3f' % win.fps())
# set pins back to low
win.flip()
parallel.setData(0) # sets all pins low again
win.close()
core.quit()
# The contents of this file are in the public domain.
