def __init__(self):
# init bus for LockIn
MAVmask=16
IfaceReadyMask=0
CMDexecMask=2
GPIBAddr = 8
LockInBUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask,CMDexecMask)
# init bus for sine generator
MAVmask=16
IfaceReadyMask=0
GPIBAddr = 10
SineBUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask)
# init LCR device
LCRmeterLockIn_Agilent.__init__(self, LockInBUS, SineBUS)
return
def __init__(self):
MAVmask=8
IfaceReadyMask=0
GPIBAddr = 27
BUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask)
Electrometer617.__init__(self, BUS)
return
def __init__(self):
MAVmask=16
IfaceReadyMask=0
GPIBAddr = 22
BUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask)
A34401_HAMAMATSU.__init__(self, BUS)
return
def __init__(self):
MAVmask=16
IfaceReadyMask=0
GPIBAddr = 26
BUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask)
SM2602_4PP.__init__(self, BUS, NPLC=10)
return
def __init__(self):
MAVmask=16
IfaceReadyMask=0
GPIBAddr = 10
BUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask)
A33220_square.__init__(self, BUS)
return
def __init__(self):
MAVmask=16
IfaceReadyMask=0
CMDexecMask=2
GPIBAddr = 8
BUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask,CMDexecMask)
LockInSR830.__init__(self,BUS)
return
def __init__(self):
MAVmask=16
IfaceReadyMask=0
GPIBAddr = 13
integrTime = 5
identString = 'B'
elements = 'READ,TST,ETEM,VSO'
units ='A,s,C,V'
BUS = GPIBBus (visa.GpibInstrument("GPIB0::%d::INSTR" % GPIBAddr), MAVmask,IfaceReadyMask)
Electrometer6517.__init__(self, BUS, integrTime, identString, elements, units)
return
def InitializeGPIB(address, board, QueryID=True, **kwargs):
try:
GPIBVisa = visa.GpibInstrument(address, board)
for kw in kwargs.keys():
tmp = "".join(("GPIBVisa.", kw, "=\"", kwargs[kw], "\""))
exec(tmp)
if QueryID:
print GPIBVisa.ask("*IDN?")
except Exception:
print "Failed opening GPIB address %d\n" % address
GPIBVisa = None
return GPIBVisa
def test_keithley2000(monkeypatch):
monkeypatch.setattr(visa.GpibInstrument, "interface_type", VI_INTF_GPIB)
monkeypatch.setattr(visa.GpibInstrument, "stb", 0x40)
print("Test start")
keithley = visa.GpibInstrument(12)
milliseconds = 500
number_of_values = 10
keithley.write(("F0B2M2G0T2Q%dI%dX" %
(milliseconds, number_of_values)).encode("ascii"))
keithley.trigger()
keithley.wait_for_srq()
voltages = keithley.read_floats()
if voltages:
print("Average: ", sum(voltages) / len(voltages))
print("Test end")
