def __init__(self):
InputDevice.__init__(self)
self.config = ['holdoff', 'refpos', 'records', 'trig_delay', 'trig_level', 'trig_slope', 'ch0_impedance', 'ch0_range', 'ch0_offset', 'ch1_impedance', 'ch1_range', 'ch1_offset', 'intmode', 'inttime', 'refmode', 'CH1mode', 'modlevel', 'gatewidth']
self.holdoff = 0.0
self.refpos = 0
self.records = 1
self.trig_delay = 0.0
self.trig_level = 0.0
self.trig_slope = -1
self.ch0_impedance = 1000000
self.ch0_range = 20.0
self.ch0_offset = 0.0
self.ch1_impedance = 1000000
self.ch1_range = 20.0
self.ch1_offset = 0.0
self.intmode = 0
self.inttime = 30.0
self.refmode = 3
self.CH1mode = 0
self.modlevel = 0.0
self.gatewidth = 1.0
# device handle
self.pxi = pyPXI5122()
self.units = ["V"]
self.qtynames = [""]
def __init__(self):
InputDevice.__init__(self)
# signal = 0:X, 1:Y, 2:R, 3:PHI
# PHI is phase for lock-in detection in rad
self.config = {'signal':0, 'PHI':0.0, 'holdoff':0.0, 'ch0_impedance':1000000, 'ch0_filter':-1, 'ch0_range':20.0, 'ch0_offset':0.0, 'ch1_impedance':1000000, 'ch1_filter':-1, 'ch1_range':20.0, 'ch1_offset':0.0, 'inttime':300.0}
self.fdet = 0.0 # detected frequency in Hz
self.phi = 0.0 # last detected phase in rad
self.units = ["V", "V", "V", "deg", "Hz"]
self.qtynames = ["X","Y","R","Phi","f"]
# device handle
self.pxi = pyPXI5122()
def detect(self):
retval = []
if _support_PXI == True:
# attempt to connect to PXI devices
pxi = pyPXI5122()
for i in range(1,3): # pxi counter
for j in range(1,8): # slot counter
# create address string - maybe you have to adjust for different systems
handle = "PXI%dSlot%d" % (i, j)
try:
if(pxi.open_session(handle) == 1):
# found a device
retval.append([handle,"PXI5122LockIn", handle])
pxi.close_session()
except:
pass
return retval
