diff options
| -rw-r--r-- | qolab/hardware/daq/__init__.py | 15 | ||||
| -rw-r--r-- | qolab/hardware/daq/labjack_ue9.py | 59 |
2 files changed, 74 insertions, 0 deletions
diff --git a/qolab/hardware/daq/__init__.py b/qolab/hardware/daq/__init__.py new file mode 100644 index 0000000..8828591 --- /dev/null +++ b/qolab/hardware/daq/__init__.py @@ -0,0 +1,15 @@ +from qolab.hardware.basic import BasicInstrument + +class DAQ(BasicInstrument): + # Minimal set of methods to be implemented by a RFGenerator + def __init__(self, *args, **kwds): + BasicInstrument.__init__(self, *args, **kwds) + self.config['Device type']='DAQ' + self.config['Device model'] = 'Generic DAQ Without Hardware interface' + self.config['FnamePrefix'] = 'daq' + self.deviceProperties = {'AnalogInputsNum', 'AnalogOutputsNum' } + + # this is device dependent + self.AnalogInputsNum=0 + self.AnalogOutputsNum=0 + diff --git a/qolab/hardware/daq/labjack_ue9.py b/qolab/hardware/daq/labjack_ue9.py new file mode 100644 index 0000000..5b293f4 --- /dev/null +++ b/qolab/hardware/daq/labjack_ue9.py @@ -0,0 +1,59 @@ +from qolab.hardware.basic import BasicInstrument +from qolab.hardware.daq import DAQ +import ue9 + +class LabJackUE9(DAQ): + """ + This custom modification of the stock LabJack UE9 class provided by LabJack as ue9 + """ + + def __init__(self, *args, debug = False, autoOpen = True, ethernet=False, ipAddress="192.168.1.209", **kargs): + """ + LabJack UE9 can be contacted via TCP, use + QOL_UE9(ethernet=True, ipAddress="192.168.1.209") + """ + super().__init__(*args, **kargs) + self.config['Device model'] = 'LabJack UE9' + self.AnalogInputsNum=4 + self.AnalogOutputsNum=2 + + # self.daq = ue9.UE9(debug=debug, autoOpen=autoOpen, ethernet=ethernet, ipAddress=ipAddress) + self.daq = ue9.UE9(debug=debug, autoOpen=autoOpen) + + # For applying the proper calibration to readings. + c=self.daq.getCalibrationData() + + # by evmik + # fixing missing slope for gain '0' + c['AINSlopes']['0']= 0.0000775030 + + def getChanVoltage(self, chNum, BipGain): + BipGain = 8 + # BipGain = 8 -> bipolar range (-5V, +5V) gain 1 + # UE9 default BipGain = 0 -> signal range (0V, +5V) gain 1 + # other BipGain could be: + # 0 = Unipolar Gain 1, 1 = Unipolar Gain 2, + # 2 = Unipolar Gain 4, 3 = Unipolar Gain 8, + # 8 = Bipolar Gain 1 + return self.daq.getAIN(chNum, BipGain = BipGain) + + def setChanVoltage(self, chNum, volts): + if chNum == None or volts == None: + print("setOutputCh needs chNum and volts to be set") + return 0 + bits = self.daq.voltageToDACBits(volts, dacNumber = chNum) + # out is completely bogus for DAC settings in UE9 + out=self.daq.singleIO(IOType=5, Channel=chNum, DAC=bits) + return volts + + def close(self): + self.daq.close() + + + +if __name__ == '__main__': + daq = LabJackUE9() + print("testing") + print('------ Header start -------------') + print(str.join('\n', daq.getHeader())) + print('------ Header ends -------------') |