def analogFeedbackEnabled(self):
'''Return True if the analog feedback mode is enabled.'''
task = daq.DiTask('Check feedback mode')
task.addChannel(self.diLineDisableFeedbackCheck)
enabled = np.unique(task.readData(10))
if len(enabled) > 1:
self.fatalError(
'Got inconsistent response from DI line read. Please check/fix wiring'
)
return
else:
return not enabled
def checkForLeak(self):
#print "Checking for leak"
task = daq.DiTask('Check leak sensor')
channel = daq.DiChannel('PXI6025E/port0/line7')
task.addChannel(channel)
task.commit()
data = task.readData(10)
#print data
n = np.count_nonzero(data)
print n
if n > 7:
leak = False
elif n < 3:
leak = True
self.alarmLed.setValue(leak)
#print leak
if leak and self.armPb.isChecked():
self.sendAlert()
self.armPb.setChecked(False)