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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.
#
from pymeasure.instruments import Instrument, SCPIUnknownMixin
from pymeasure.instruments.validators import strict_discrete_set, truncated_range
CHANNEL_NUMS = [1, 2, 3]
class BKPrecision9130B(SCPIUnknownMixin, Instrument):
""" Represents the BK Precision 9130B DC Power Supply interface for interacting with
the instrument. """
current = Instrument.control(
'MEASure:SCALar:CURRent:DC?',
'SOURce:CURRent:LEVel:IMMediate:AMPLitude %g',
"""Control the current of the selected channel. (float)""",
validator=truncated_range,
values=[0, 3]
)
source_enabled = Instrument.control(
'SOURce:CHANnel:OUTPut:STATe?',
'SOURce:CHANnel:OUTPut:STATe %d',
"""Control whether the source is enabled. (bool) """,
validator=strict_discrete_set,
values={True: 1, False: 0},
map_values=True
)
channel = Instrument.control(
'INSTrument:SELect?',
'INSTrument:SELect CH%d',
f"""Control which channel is selected. Can only take
values {CHANNEL_NUMS}. (int)""",
validator=strict_discrete_set,
values=CHANNEL_NUMS,
get_process=lambda x: int(x[2])
)
def __init__(self, adapter, name="BK Precision 9130B Source", **kwargs):
super().__init__(
adapter, name, **kwargs
)
@property
def voltage(self):
"""Control voltage of the selected channel. (float)"""
return float(self.ask("MEASure:SCALar:VOLTage:DC?"))
@voltage.setter
def voltage(self, level):
voltage_range = [0, 5] if self.channel == 3 else [0, 30]
new_level = truncated_range(level, voltage_range)
self.write("SOURce:VOLTage:LEVel:IMMediate:AMPLitude %g" % new_level)
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