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"""
provide basic class to operate Lock-in
"""
import pyvisa
class SCPIinstr:
""" Basic class which support SCPI commands """
"""
Do not instantiate directly, use
rm = pyvisa.ResourceManager()
SCPIinstr(rm.open_resource('TCPIP::192.168.0.2::INSTR'))
"""
def __init__(self, resource):
print(resource)
self.resource = resource
# convenience pyvisa functions
self.write = self.resource.write
self.read = self.resource.read
self.query = self.resource.query
#self.query_values = self.resource.query_values
@property
def idn(self):
return self.query("*IDN?")
def clear_status(self):
self.write("*CLS")
def set_event_status_enable(self):
self.write("*ESE")
def query_event_status_enable(self):
self.query("*ESE?")
def query_event_status_register(self):
self.query("*ESR?")
def set_wait_until_finished(self):
self.query("*OPC")
def wait_until_finished(self):
self.query("*OPC?")
def reset(self):
self.write("*RST")
def set_service_request_enable(self):
self.write("*SRE")
def query_service_request_enable(self):
self.query("*SRE?")
def query_status_byte(self):
self.query("*STB?")
def self_test_result(self):
self.query("*TST?")
def wait(self):
self.write("*WAI")
class LockIn(SCPIinstr):
"""
Do not instantiate directly, use
rm = pyvisa.ResourceManager()
LockIn(rm.open_resource('TCPIP::192.168.0.2::INSTR'))
"""
def __init__(self, resource):
super().__init__(resource)
self.resource.read_termination='\n'
if __name__ == '__main__':
print("testing")
rm = pyvisa.ResourceManager()
print(rm.list_resources())
instr=rm.open_resource('TCPIP::192.168.0.51::INSTR')
lckn = LockIn(instr)
# lckn = LockIn(rm, 'TCPIP::192.168.0.51::INSTR')
print(lckn.query('*idn?'))
print(lckn.idn)
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