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from qolab.hardware.scpi import SCPIinstr
from qolab.hardware.basic import BasicInstrument
class Multimeter(BasicInstrument):
"""
Multimeter basic class.
Intended to be part of the hardware aware class.
"""
def __init__(self, *args, **kwds):
BasicInstrument.__init__(self, *args, **kwds)
self.config["Device type"] = "Multimeter"
self.config[
"Device model"
] = "Generic Multimeter generator Without Hardware interface"
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 getResistance4Wires(self):
"""Report Resistance with 4 wire method"""
print("getResistance4Wires 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):
"""
SCPI enabled basic multimeter.
Intended to be part of the hardware aware class.
Example
-------
>>> 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)
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