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update SR_7270

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This commit is contained in:
l_samenv
2020-09-10 15:47:04 +02:00
parent 1c42859466
commit 587b170f6a
2 changed files with 54 additions and 37 deletions
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58
secop_psi/SR_7270.py
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@ -20,8 +20,8 @@
# *****************************************************************************
"""SIGNAL RECOVERY SR7270: lOCKIN AMPLIFIER FOR AC SUSCEPTIBILITY"""
from secop.core import Readable, Parameter, Override, FloatRange, TupleOf, HasIodev, StringIO, \
Done, Attached, IntRange, BoolType
from secop.core import Readable, Parameter, Override, Command, FloatRange, TupleOf, \
HasIodev, StringIO, Done, Attached, IntRange, BoolType
class SR7270(StringIO):
@ -35,31 +35,33 @@ class SR7270(StringIO):
class XY(HasIodev, Readable):
class XY(HasIodev, Readable):
properties = {
'x': Attached(),
'y': Attached(),
'freq_arg': Attached(),
'amp_arg': Attached(),
'tc_arg': Attached(),
}
}#parameters required an initial value but initwrite write the default value for polled parameters
parameters = {
'value': Override('X, Y', datatype=TupleOf(FloatRange(unit='V'), FloatRange(unit='V'))),
'freq': Parameter('exc_freq_int',
FloatRange(0.001,250e3,unit='Hz'),
poll=True, readonly=False, default=100),
poll=True, readonly=False, initwrite=True, default=1000),
'amp': Parameter('exc_volt_int',
FloatRange(0.00,5,unit='Vrms'),
poll=True, readonly=False, default=5),
poll=True, readonly=False, initwrite=True, default=1),
'range': Parameter('sensitivity value', FloatRange(0.00,1,unit='V'), poll=True, default=1),
'irange': Parameter('sensitivity index', IntRange(0,27), poll=True, readonly=False, default=25),
'autorange': Parameter('autorange_on', BoolType(), readonly=False, default=True),
'tc': Parameter('time constant value', FloatRange(10e-6,1,unit='s'), poll=True, default=0.1),
'itc': Parameter('time constant index', IntRange(0,30), poll=True, readonly=False, default=12),
'itc': Parameter('time constant index', IntRange(0,30), poll=True, readonly=False, initwrite=True, default=14),
'nm': Parameter ('noise mode',BoolType(), readonly=False, default=0),
'aphase': Parameter('autophase',BoolType(), readonly=False, default=0),
# FloatRange(0.00,5e6,unit='uVrms'),
# poll=True, readonly=False, default=100),
'phase': Parameter('Reference phase control', FloatRange(-360,360,unit='deg'), poll=True, readonly=False, initwrite=True, default=0),
'vmode' : Parameter('Voltage input configuration', IntRange(0,3), readonly=False, default=3),
}
commands = {
'aphase': Command('auto phase'),
}
iodevClass = SR7270
@ -82,6 +84,7 @@ class XY(HasIodev, Readable):
self.write_irange(self.irange-1)
self._x.value = x # to update X,Y classes which will be the collected data.
self._y.value = y
# print(x,y)
self._freq_arg.value = self.freq
self._amp_arg.value = self.amp
self._tc_arg.value =self.tc
@ -151,22 +154,43 @@ class XY(HasIodev, Readable):
return reply
#autophase
def read_aphase(self):
reply = self.comm('AQN')
#phase and autophase
def read_phase(self):
reply = self.comm('REFP.')
return reply
def write_aphase(self,value):
self.comm('AQN')
self.read_aphase()
def write_phase(self,value):
self.comm('REFP %d' % round(1000*value,0))
self.read_phase()
return value
def do_aphase(self):
self.read_phase()
reply = self.comm('AQN')
self.read_phase()
#voltage input configuration 0:grounded,1=A,2=B,3=A-B
# def read_vmode(self):
# reply = self.comm('VMODE')
# return reply
def write_vmode(self,value):
self.comm('VMODE %d' % value)
# self.read_vmode()
return value
class Comp(Readable):
pollerClass = None
parameters = {
'value': Override(datatype=FloatRange(unit='V')),
}
class arg(Readable):