def deviceEnable(detection):
lj.ePut (device.lngHandle, lj.LJ_ioPUT_ANALOG_ENABLE_BIT, 6, 0, 0)
if detection is True:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 6, 1, 0, 0)
elif detection is False:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 6, 0, 0, 0)
lj.GoOne(device.lngHandle)
def devicePower(enable):
lj.ePut (device.lngHandle, lj.LJ_ioPUT_ANALOG_ENABLE_BIT, 3, 0, 0)
if enable is True:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 3, 1, 0, 0)
if enable is False:
deviceStartConifg()
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 3, 0, 0, 0)
def deviceDirection(Direction):
lj.ePut (device.lngHandle, lj.LJ_ioPUT_ANALOG_ENABLE_BIT, 5, 0, 0)
if Direction is 1:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 5, 1, 0, 0)
elif Direction is 0:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 5, 0, 0, 0)
lj.GoOne(device.lngHandle)
def set_value(self, channel_name, value):
""" Sets the value of channel"""
try:
channel_name = self.channel_name(channel_name)
except:
raise
if re.match('DAC', channel_name):
try:
if value is None: raise
LabJackPython.AddRequest(self.handle,
LabJackPython.LJ_ioPUT_DAC,
self.channel_numbers[channel_name],
value, 0, 0)
LabJackPython.Go()
exec('self.%s=float("%s")' % (channel_name, value))
except: # TODO catch the error for passing None Specifically
pass
elif re.match('FIO|EIO|CIO', channel_name):
LabJackPython.AddRequest(self.handle,
LabJackPython.LJ_ioPUT_DIGITAL_BIT,
self.channel_numbers[channel_name], value,
0, 0)
LabJackPython.Go()
elif re.match('GND|SGND|VS|SPC', channel_name) or channel_name is None:
pass
else:
raise LabJackInstrumentError('Invalid channel name for set_value.')
self.current_state = self.get_state()
def deviceEmergency(emergency):
lj.ePut (lj.lngHandle, lj.LJ_ioPUT_ANALOG_ENABLE_BIT, 4, 0, 0)
if emergency is True:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 5, 0, 0, 0)
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 6, 0, 0, 0)
elif emergency is False:
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 5, 1, 0, 0)
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_DIGITAL_BIT, 6, 1, 0, 0)
lj.GoOne(device.lngHandle)
def celsius(self):
LabJackPython.AddRequest(self.handle,
LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_TEMP, 0, 0, 0)
LabJackPython.GoOne(self.handle)
return (LabJackPython.GetResult(
self.handle, LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_TEMP) - 273.15)
def kelvin(self):
LabJackPython.AddRequest(self.handle,
LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_TEMP, 0, 0, 0)
LabJackPython.GoOne(self.handle)
return LabJackPython.GetResult(self.handle,
LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_TEMP)
def fahrenheit(self):
LabJackPython.AddRequest(self.handle,
LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_TEMP, 0, 0, 0)
LabJackPython.GoOne(self.handle)
k = LabJackPython.GetResult(self.handle,
LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_TEMP)
return 9 / 5 * (k - 273) + 32
def write(self,
command,
channel,
value=0,
optional_parameter=0,
user_buffer=0):
""" Writes a command to the LabJack device """
LabJackPython.AddRequest(self.handle, command, channel, value,
optional_parameter, user_buffer)
LabJackPython.Go()
def relative_humidity(self):
try:
LabJackPython.AddRequest(self.handle,
LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_RH, 0, 0, 0)
LabJackPython.GoOne(self.handle)
return LabJackPython.GetResult(
self.handle, LabJackPython.LJ_ioSHT_GET_READING,
LabJackPython.LJ_chSHT_RH)
except Exception as ex:
print(ex)
return False
def ask(self,
command,
channel,
value=0,
optional_parameter=0,
user_buffer=0):
""" Writes a command to the labjack and returns a value """
LabJackPython.AddRequest(self.handle, command, channel, value,
optional_parameter, user_buffer)
LabJackPython.Go()
answer = LabJackPython.GetResult(self.handle, command, channel)
return answer
def deviceRamp():
lj.ePut (device.lngHandle, lj.LJ_ioPUT_ANALOG_ENABLE_BIT, 13, 1, 0)
lj.AddRequest(device.lngHandle, lj.LJ_ioPUT_AIN_RANGE, 13, lj.LJ_rgBIP5V, 0, 0)
lj.GoOne(device.lngHandle)
