def testColorCAL(port):
cal = colorcal.ColorCAL(
) #using default ports (COM3, /dev/cu.usbmodem0001 or /dev/ttyACM0)
assert cal.OK #connected and received 'OK00' to cal.getInfo()
print 'Got ColorCAL serial#:%s firmware:%s_%s' % (cal.serialNum, cal.firm,
cal.firmBuild)
#get help
helpMsg = cal.sendMessage('?')
print 'Help info:'
for line in helpMsg[1:]: #the 1st 3 lines are just saying OK00
print '\t', line.rstrip().lstrip(
) #remove whitespace from left and right
#perform calibration to zero
ok = cal.calibrateZero()
print 'calibZeroSuccess=', ok
log.flush()
assert ok
#take a measurement
ok, x, y, z = cal.measure()
xyz = numpy.array([x, y, z])
print 'MES: ok=%s %s' % (ok, xyz)
assert ok #make sure that the first value returned was True
log.flush()
def quit():
"""Close everything and exit nicely (ending the experiment)
"""
#pygame.quit() #safe even if pygame was never initialised
log.flush()
for thisThread in threading.enumerate():
if hasattr(thisThread, 'stop') and hasattr(thisThread, 'running'):
#this is one of our event threads - kill it and wait for success
thisThread.stop()
while thisThread.running == 0:
pass #wait until it has properly finished polling
sys.exit(0) #quits the python session entirely
def quit():
"""Close everything and exit nicely (ending the experiment)
"""
#pygame.quit() #safe even if pygame was never initialised
log.flush()
for thisThread in threading.enumerate():
if hasattr(thisThread,'stop') and hasattr(thisThread,'running'):
#this is one of our event threads - kill it and wait for success
thisThread.stop()
while thisThread.running==0:
pass#wait until it has properly finished polling
sys.exit(0)#quits the python session entirely
def testColorCAL(port):
cal = colorcal.ColorCAL()#using default ports (COM3, /dev/cu.usbmodem0001 or /dev/ttyACM0)
assert cal.OK#connected and received 'OK00' to cal.getInfo()
print 'Got ColorCAL serial#:%s firmware:%s_%s' %(cal.serialNum, cal.firm, cal.firmBuild)
#get help
helpMsg = cal.sendMessage('?')
print 'Help info:'
for line in helpMsg[1:]: #the 1st 3 lines are just saying OK00
print '\t', line.rstrip().lstrip() #remove whitespace from left and right
#perform calibration to zero
ok = cal.calibrateZero()
print 'calibZeroSuccess=',ok
log.flush()
assert ok
#take a measurement
ok, x, y, z = cal.measure()
xyz=numpy.array([x,y,z])
print 'MES: ok=%s %s' %(ok, xyz)
assert ok#make sure that the first value returned was True
log.flush()
def findPhotometer(ports=None, device=None):
"""Try to find a connected photometer/photospectrometer!
PsychoPy will sweep a series of serial ports trying to open them. If a port
successfully opens then it will try to issue a command to the device. If it
responds with one of the expected values then it is assumed to be the
appropriate device.
:parameters:
ports : a list of ports to search
Each port can be a string (e.g. 'COM1', ''/dev/tty.Keyspan1.1') or a
number (for win32 comports only). If none are provided then PsychoPy
will sweep COM0-10 on win32 and search known likely port names on OS X
and linux.
device : string giving expected device (e.g. 'PR650', 'PR655', 'LS110').
If this is not given then an attempt will be made to find a device of
any type, but this often fails
:returns:
* An object representing the first photometer found
* None if the ports didn't yield a valid response
* -1 if there were not even any valid ports (suggesting a driver not being installed)
e.g.::
photom = findPhotometer(device='PR655') #sweeps ports 0 to 10 searching for a PR655
print photom.getLum()
if hasattr(photom, 'getSpectrum'):#can retrieve spectrum (e.g. a PR650)
print photom.getSpectrum()
"""
import minolta, pr
if device.lower() in ['pr650']:
photometers = [pr.PR650]
elif device.lower() in ['pr655', 'pr670']:
photometers = [pr.PR655]
elif device.lower() in ['ls110', 'ls100']:
photometers = [minolta.LS100]
else: #try them all
photometers = [pr.PR650, pr.PR655, minolta.LS100
] #a list of photometer objects to test for
#determine candidate ports
if ports == None:
if sys.platform == 'darwin':
ports = []
#try some known entries in /dev/tty. used by keyspan
ports.extend(glob.glob('/dev/tty.USA*')
) #keyspan twin adapter is usually USA28X13P1.1
ports.extend(
glob.glob('/dev/tty.Key*')) #some are Keyspan.1 or Keyserial.1
ports.extend(glob.glob(
'/dev/tty.modem*')) #some are Keyspan.1 or Keyserial.1
ports.extend(glob.glob('/dev/cu.usbmodem*')) #for PR650
if len(ports) == 0:
log.error("PsychoPy couldn't find any likely serial port in /dev/tty.* or /dev/cs* Check for " \
+"serial port name manually, check drivers installed etc...")
return None
elif sys.platform.startswith('linux'):
ports = glob.glob(
'/dev/ttyACM?') #USB CDC devices (virtual serial ports)
ports.extend(
glob.glob('/dev/ttyS?')
) #genuine serial ports usually /dev/ttyS0 or /dev/ttyS1
elif sys.platform == 'win32':
ports = range(11)
elif type(ports) in [int, float]:
ports = [ports] #so that we can iterate
#go through each port in turn
photom = None
log.info('scanning serial ports...')
log.flush()
for thisPort in ports:
log.info('...' + str(thisPort))
log.flush()
for Photometer in photometers:
photom = Photometer(port=thisPort)
if photom.OK:
log.info(' ...found a %s\n' % (photom.type))
log.flush()
#we're now sure that this is the correct device and that it's configured
#now increase the number of attempts made to communicate for temperamental devices!
if hasattr(photom, 'setMaxAttempts'): photom.setMaxAttempts(10)
return photom #we found one so stop looking
else:
if photom.com and photom.com.isOpen:
log.info('closing port')
photom.com.close()
#If we got here we didn't find one
log.info('...nope!\n\t')
log.flush()
return None
def findPhotometer(ports=None, device=None):
"""Try to find a connected photometer/photospectrometer!
PsychoPy will sweep a series of serial ports trying to open them. If a port
successfully opens then it will try to issue a command to the device. If it
responds with one of the expected values then it is assumed to be the
appropriate device.
:parameters:
ports : a list of ports to search
Each port can be a string (e.g. 'COM1', ''/dev/tty.Keyspan1.1') or a
number (for win32 comports only). If none are provided then PsychoPy
will sweep COM0-10 on win32 and search known likely port names on OS X
and linux.
device : string giving expected device (e.g. 'PR650', 'PR655', 'LS110').
If this is not given then an attempt will be made to find a device of
any type, but this often fails
:returns:
* An object representing the first photometer found
* None if the ports didn't yield a valid response
* -1 if there were not even any valid ports (suggesting a driver not being installed)
e.g.::
photom = findPhotometer(device='PR655') #sweeps ports 0 to 10 searching for a PR655
print photom.getLum()
if hasattr(photom, 'getSpectrum'):#can retrieve spectrum (e.g. a PR650)
print photom.getSpectrum()
"""
import minolta, pr
if device.lower() in ['pr650']:
photometers=[pr.PR650]
elif device.lower() in ['pr655', 'pr670']:
photometers=[pr.PR655]
elif device.lower() in ['ls110', 'ls100']:
photometers=[minolta.LS100]
else:#try them all
photometers=[pr.PR650, pr.PR655, minolta.LS100]#a list of photometer objects to test for
#determine candidate ports
if ports==None:
if sys.platform=='darwin':
ports=[]
#try some known entries in /dev/tty. used by keyspan
ports.extend(glob.glob('/dev/tty.USA*'))#keyspan twin adapter is usually USA28X13P1.1
ports.extend(glob.glob('/dev/tty.Key*'))#some are Keyspan.1 or Keyserial.1
ports.extend(glob.glob('/dev/tty.modem*'))#some are Keyspan.1 or Keyserial.1
ports.extend(glob.glob('/dev/cu.usbmodem*'))#for PR650
if len(ports)==0:
log.error("PsychoPy couldn't find any likely serial port in /dev/tty.* or /dev/cs* Check for " \
+"serial port name manually, check drivers installed etc...")
return None
elif sys.platform.startswith('linux'):
ports = glob.glob('/dev/ttyACM?')#USB CDC devices (virtual serial ports)
ports.extend(glob.glob('/dev/ttyS?'))#genuine serial ports usually /dev/ttyS0 or /dev/ttyS1
elif sys.platform=='win32':
ports = range(11)
elif type(ports) in [int,float]:
ports=[ports] #so that we can iterate
#go through each port in turn
photom=None
log.info('scanning serial ports...')
log.flush()
for thisPort in ports:
log.info('...'+str(thisPort)); log.flush()
for Photometer in photometers:
photom = Photometer(port=thisPort)
if photom.OK:
log.info(' ...found a %s\n' %(photom.type)); log.flush()
#we're now sure that this is the correct device and that it's configured
#now increase the number of attempts made to communicate for temperamental devices!
if hasattr(photom,'setMaxAttempts'):photom.setMaxAttempts(10)
return photom#we found one so stop looking
else:
if photom.com and photom.com.isOpen:
log.info('closing port')
photom.com.close()
#If we got here we didn't find one
log.info('...nope!\n\t'); log.flush()
return None
"""
globalClock = core.Clock()#if this isn't provided the log times will reflect secs since python started
log.setDefaultClock(globalClock)#use this for
log.console.setLevel(log.DEBUG)#set the console to receive nearly all messges
logDat = log.LogFile('logLastRun.log',
filemode='w',#if you set this to 'a' it will append instead of overwriting
level=log.WARNING)#errors, data and warnings will be sent to this logfile
#the following will go to any files with the appropriate minimum level set
log.info('Something fairly unimportant')
log.data('Something about our data. Data is likely very important!')
log.warning('Handy while building your experiment - highlights possible flaws in code/design')
log.error("You might have done something that PsychoPy can't handle! But hopefully this gives you some idea what.")
#some things should be logged timestamped on the next video frame
#For instance the time of a stimulus appearing is related to the flip:
win = visual.Window([400,400])
for n in range(5):
win.logOnFlip('frame %i occured' %n, level=log.EXP)
if n in [2,4]:
win.logOnFlip('an even frame occured', level=log.EXP)
win.flip()
#LogFiles can also simply receive direct input from the write() method
#messages using write() will be sent immediately, and are often not
#in correct chronological order with logged messages
logDat.write("Testing\n\n")
log.flush()
log.console.setLevel(log.DEBUG) #set the console to receive nearly all messges
logDat = log.LogFile(
'logLastRun.log',
filemode='w', #if you set this to 'a' it will append instead of overwriting
level=log.WARNING) #errors, data and warnings will be sent to this logfile
#the following will go to any files with the appropriate minimum level set
log.info('Something fairly unimportant')
log.data('Something about our data. Data is likely very important!')
log.warning(
'Handy while building your experiment - highlights possible flaws in code/design'
)
log.error(
"You might have done something that PsychoPy can't handle! But hopefully this gives you some idea what."
)
#some things should be logged timestamped on the next video frame
#For instance the time of a stimulus appearing is related to the flip:
win = visual.Window([400, 400])
for n in range(5):
win.logOnFlip('frame %i occured' % n, level=log.EXP)
if n in [2, 4]:
win.logOnFlip('an even frame occured', level=log.EXP)
win.flip()
#LogFiles can also simply receive direct input from the write() method
#messages using write() will be sent immediately, and are often not
#in correct chronological order with logged messages
logDat.write("Testing\n\n")
log.flush()