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#
# This file is part of the PyMeasure package.
#
# Copyright (c) 2013-2024 PyMeasure Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# Requires 'instrumental' package: https://github.com/mabuchilab/Instrumental
from instrumental.drivers.daq import ni
from pymeasure.instruments import Instrument
def get_dict_attr(obj, attr):
for obj in [obj] + obj.__class__.mro():
if attr in obj.__dict__:
return obj.__dict__[attr]
raise AttributeError
class NIDAQ(Instrument):
'''
Instrument driver for NIDAQ card.
'''
def __init__(self, name='Dev1', *args, **kwargs):
self._daq = ni.NIDAQ(name)
super().__init__(
None,
"NIDAQ",
includeSCPI=False,
**kwargs)
for chan in self._daq.get_AI_channels():
self.add_property(chan)
for chan in self._daq.get_AO_channels():
self.add_property(chan, set=True)
def add_property(self, chan, set=False):
if set:
def fset(self, value): return self.set_chan(chan, value)
def fget(self): return getattr(self, '_%s' % chan)
setattr(self, '_%s' % chan, None)
setattr(self.__class__, chan, property(fset=fset, fget=fget))
else:
def fget(self): return self.get_chan(chan)
setattr(self.__class__, chan, property(fget=fget))
setattr(self.get, chan, lambda: getattr(self, chan))
def get_chan(self, chan):
return getattr(self._daq, chan).read().magnitude
def set_chan(self, chan, value):
setattr(self, '_%s' % chan, value)
getattr(self._daq, chan).write('%sV' % value)
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