def check_for_spark(daq, old_ctr_val):
out = daq.getFeedback(u3.Counter(counter=0, Reset=False))
ctr_val = out[0]
if (old_ctr_val < ctr_val): # spark occurred
handle_spark(ctr_val)
elif (old_ctr_val > ctr_val): # counter wrap occurred
print "WARNING: looks like the counter wrapped"
print "ctr_val, old_ctr_val = ", \
ctr_val, ", ", old_ctr_val
print "but this is highly unlikely..."
# no matter what happens, update the old_ctr_val
# most of the time, ctr_val == old_ctr_val already...
return ctr_val
def ResetCounter(Counter=None):
'''
Desc: Performs a reset of the chosen counter
!!! Before using it make sure than the counter is really enabled!!!
Ex:
>>> LJU3HV.ResetCounter(0)
Conter 0 was reset
'''
if Counter is not None:
d.getFeedback(u3.Counter(counter=Counter, Reset=True))
else:
print 'No counter specified'
def ReadCounter(Counter=None):
'''
Desc: Reads the chosen counter
!!! Before using it make sure than the counter is really enabled!!!
Ex:
>>> LJU3HV.ResetCounter(0)
[]
'''
CounterResult = None
if Counter is not None:
CounterResult = d.getFeedback(u3.Counter(counter=Counter, Reset=True))
else:
print 'No counter specified'
return CounterResult
dt = 100
dev.configIO(EnableCounter1=True, TimerCounterPinOffset=6)
fps = 15.3
top = 10
bottom = 0
steps = 2
n_planes = int(
(top - bottom) / steps) + 1 # total number of planes for each volume
volumes_per_s = fps / n_planes # total number of volume acquisition per volume
pulse_count = 0
with Opto(port='COM6') as etl:
while True:
etl.current(bottom)
pulse_count = int(np.array(dev.getFeedback(u3.Counter(counter=1))))
#print('Reset',pulse_count)
if pulse_count > 0: # for initial trigger (first TTL pulse/first plane of the volume)
print('ETL', etl.current())
print('ini', pulse_count)
#pulse_count -= 1 # reset it to zero so you can image the first plane, if it is one it will immediately increment the focal_plane
old_pulse_count = 0 # to store the previous focal plane
while pulse_count <= n_planes:
if pulse_count > old_pulse_count: # for initial trigger (first TTL pulse/first plane of the volume)
focal_plane = float(bottom + ((pulse_count - 1) * steps))
#time.sleep(0.064)
print('Focal plane', focal_plane)
etl.current(focal_plane)
print('ETL', etl.current())
print('pulse', pulse_count)
old_pulse_count += 1
EnableCounter1=True)
print(config)
NHVs = 4
NLVs = 1
NDINs = 1
NCounters = 2
IsLV = [False] * NHVs + [True] * NLVs
# Sensors/Actuators
AINs = [
u3.AIN(i, NegativeChannel=31, LongSettling=False, QuickSample=True)
for i in range(NHVs + NLVs)
]
DINs = [u3.BitStateRead(i) for i in range(NHVs + NLVs, NHVs + NLVs + NDINs)]
Counters = [u3.Counter(i, Reset=True) for i in range(NCounters)]
def RGB(rgb): # RGB LED connected to EIO7, EIO5, EIO3
if rgb < 8: rgb += 8
threeBits = bin(rgb)[-3:]
ch = (15, 13, 11)
return [u3.BitStateWrite(ch[i], int(threeBits[i])) for i in range(3)]
#````````````````````````````Helper functions`````````````````````````````````
def printi(msg):
print('LLJ:INFO: ' + msg)
def printw(msg):
#rightEnd.draw()
myWin.update()
# for labjack
# ----------------------- START SYNCHRONIZATION RECEIVE TTL w/ LAB JACK ---------------------------------
d = u3.U3() # Open LJU3
d.getCalibrationData()
#d.debug = True
d.configIO(EnableCounter1=True,
TimerCounterPinOffset=6) # set the counter to pin 4
#d.setDOState(ioNum=5, state=0)
print 'READING..'
print d.getFeedback(u3.BitStateRead(IONumber=6))
#print d.getFeedback(u3.BitStateRead(IONumber =4))
print d.getFeedback(u3.Counter(counter=1))
t0 = time.time()
while True:
trigger = int(np.array(d.getFeedback(u3.Counter(counter=1))))
# print(trigger)
if trigger > 0:
t1 = time.time()
break
print d.getFeedback(u3.Counter(counter=1))
print 'Total time'
print t1 - t0
# ----------------------- ----------------------------------------------------------------------------------
'''
d = u3.U3() # Open LJU3
volumes_per_s = fps / n_planes # total number of volume acquisition per volume
pulse_count = 0
i = 0
with Opto(port='COM6') as etl:
etl.current(bottom)
old_pulse_count = 0 # to store the previous focal plane
while pulse_count <= n_planes: # for initial trigger (first TTL pulse/first plane of the volume)
if pulse_count > old_pulse_count and old_pulse_count <= n_planes: # for initial trigger (first TTL pulse/first plane of the volume)
i += 1
print(i)
focal_plane = float(bottom + ((pulse_count - 1) * steps))
#time.sleep(0.064)
print('Focal plane', focal_plane)
etl.current(focal_plane)
print('ETL', etl.current())
print('pulse', pulse_count)
old_pulse_count += 1
pulse_count = int(np.array(dev.getFeedback(u3.Counter(counter=1))))
if pulse_count > old_pulse_count and old_pulse_count >= n_planes:
print('2ndloop')
time.sleep(0.64)
etl.current(bottom)
#print(pulse_count, old_pulse_count, n_planes)
#print('DONE')
#dev.configIO(EnableCounter1=False, TimerCounterPinOffset=6)
#dev.configIO(EnableCounter1=True, TimerCounterPinOffset=6)
#pulse_count = int(np.array(dev.getFeedback(u3.Counter(counter=1, Reset = True))))
#print(pulse_count)
def set_counter(self, reset=False):
return self.u.getFeedback(u3.Counter(counter=1, Reset=reset))