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from qolab.hardware.scpi import SCPIinstr
from qolab.hardware.basic import BasicInstrument
class Lockin(BasicInstrument):
def __init__(self, *args, **kwds):
BasicInstrument.__init__(self, *args, **kwds)
self.config['Device type']='Lockin'
self.config['FnamePrefix'] = 'lockin'
self.config['Device model'] = 'Generic Lockin Without Hardware interface'
self.config['FnamePrefix'] = 'lockin'
self.deviceProperties.update({'FreqInt', 'FreqExt', 'Harm', 'SinAmpl', 'SinOffset',
'RefPhase',
'Sensitivity', 'TimeConstan', 'FilterSlope', 'EquivalentNoiseBW'})
# Minimal set of methods to be implemented.
pass
class LockinSCPI(SCPIinstr, Lockin):
"""
Do not instantiate directly, use
rm = pyvisa.ResourceManager()
LockinSCPI(rm.open_resource('TCPIP::192.168.0.2::INSTR'))
"""
pass
def __init__(self, resource, *args, **kwds):
SCPIinstr.__init__(self, resource)
Lockin.__init__(self, *args, **kwds)
self.config['DeviceId'] = str.strip(self.idn)
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