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path: root/qolab/hardware/multimeter/__init__.py
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from qolab.hardware.scpi import SCPIinstr
from qolab.hardware.basic import BasicInstrument

class Multimeter(BasicInstrument):
    def __init__(self, *args, **kwds):
        BasicInstrument.__init__(self, *args, **kwds)
        self.config['Device type']='Multimeter'
        self.config['FnamePrefix'] = 'Multimeter'
        self.config['Device model'] = 'Generic Multimeter Without Hardware interface'
        self.config['FnamePrefix'] = 'multimeter'
        self.deviceProperties.update({})

    # Minimal set of methods to be implemented.
    def getVdc(self):
        """ Report DC Voltage """
        print('getVdc is not implemented')
        return None
    def getVac(self):
        """ Report AC Voltage """
        print('getVac is not implemented')
        return None
    def getAdc(self):
        """ Report DC Current """
        print('getAdc is not implemented')
        return None
    def getAac(self):
        """ Report AC Current """
        print('getAac is not implemented')
        return None
    def getResistance(self):
        """ Report Resistance """
        print('getResistance is not implemented')
        return None
    def getDiode(self):
        """ Report Diode Voltage drop """
        print('getDiode is not implemented')
        return None
    def getFreq(self):
        """ Report Frequency """
        print('getFreq is not implemented')
        return None


class MultimeterSCPI(SCPIinstr, Multimeter):
    """     
    Do not instantiate directly, use
    rm = pyvisa.ResourceManager()
    MultimeterSCPI(rm.open_resource('TCPIP::192.168.0.2::INSTR'))
    """
    pass
    def __init__(self, resource, *args, **kwds):
        SCPIinstr.__init__(self, resource)
        Multimeter.__init__(self, *args, **kwds)
        self.config['DeviceId'] = str.strip(self.idn)

from .hp_34401 import HP_34401