def add_marker_parameters(self):
# Each (module, channel) separately
for mod in self.modules:
mod_name = 'mod{m}'.format(m=mod)
mod_scpi = 'MODULE{m}'.format(m=mod)
doc_source = 'Marker source of module {m}.'.format(m=mod)
self.add_parameter(mod_name + '_marker_source',
docstring=doc_source,
get_cmd='MARKER:' + mod_scpi + ':SOURCE?',
set_cmd='MARKER:' + mod_scpi + ':SOURCE {}',
vals=validators.Enum('int', 'ext'))
for channel in self.channels:
mod_ch_name = 'mod{m}_ch{c}'.format(m=mod, c=channel)
mod_ch_scpi = 'MODULE{m}:CHANNEL{c}'.format(m=mod, c=channel)
doc_state = 'Marker state of module {m}, ' \
'channel {c}.'.format(m=mod, c=channel)
self.add_parameter(mod_ch_name + '_marker_state',
docstring=doc_state,
get_cmd='MARKER:' + mod_ch_scpi + ':STATE?',
set_cmd='MARKER:' + mod_ch_scpi +
':STATE {}',
vals=validators.OnOff())
# Marker breakout board
self.add_parameter('mbbc_state',
docstring='Whether the _marker breakout board_ is '
'connected to the VSM.',
get_cmd='MBBC?',
vals=validators.Enum('connected', 'disconnected'))
def add_qubit_parameters(self):
# Qubit attributes are set per channel row (so all modules in one go)
for channel in self.channels:
ch_name = '_ch{c}'.format(c=channel)
ch_scpi = ':CHANNEL{c}'.format(c=channel)
doc_description = 'Qubit description on display ' \
'for row {c}'.format(c=channel)
self.add_parameter('qubit' + ch_name + '_description',
docstring=doc_description,
get_cmd='QUBIT' + ch_scpi + ':DESCRIPTION?',
set_cmd='QUBIT' + ch_scpi + ':DESCRIPTION {}',
vals=validators.Strings())
doc_frequency = 'Qubit frequency in Hz for row {c}. ' \
'Range 4.0E9--8.0E9 Hz.'.format(c=channel)
self.add_parameter('qubit' + ch_name + '_frequency',
docstring=doc_frequency,
unit='Hz',
get_cmd='QUBIT' + ch_scpi + ':FREQUENCY?',
set_cmd='QUBIT' + ch_scpi + ':FREQUENCY {}',
vals=validators.Numbers(),
get_parser=float)
colors = ', '.join([
'black', 'blue', 'green', 'grey', 'orange', 'red', 'white',
'yellow', 'dcl_blue', 'dcl_green', 'dcl_red', 'dcl_violet'
])
doc_color = 'Qubit led and display color for row {c}. ' \
'Can either be one of the predefined colors ({lst})' \
'or a RGB hex string like "#rrggbb".'.format(c=channel,
lst=colors)
self.add_parameter('qubit' + ch_name + '_led_color',
docstring=doc_color,
get_cmd='QUBIT' + ch_scpi + ':LEDCOLOR?',
set_cmd='QUBIT' + ch_scpi + ':LEDCOLOR {}',
vals=validators.Strings())
# Individual channels can be switched on or off
for mod in self.modules:
mod_ch_name = '_mod{m}_ch{c}'.format(m=mod, c=channel)
mod_ch_scpi = ':MODULE{m}:CHANNEL{c}'.format(m=mod, c=channel)
doc_on_off = 'On/off state for channel {c} of ' \
'module {m}'.format(m=mod, c=channel)
self.add_parameter('qubit' + mod_ch_name,
docstring=doc_on_off,
get_cmd='QUBIT' + mod_ch_scpi + '?',
set_cmd='QUBIT' + mod_ch_scpi + ' {}',
vals=validators.OnOff())
def __init__(self, parent: 'DG1062', name: str, channel: int) -> None:
"""
Args:
parent: The instrument this channel belongs to
name (str)
channel (int)
"""
super().__init__(parent, name)
self.channel = channel
for param, unit in [("freq", "Hz"), ("ampl", "V"), ("offset", "V"),
("phase", "deg"), ("sample_rate", "1/s")]:
self.add_parameter(
param,
unit=unit,
get_cmd=partial(self._get_waveform_param, param),
set_cmd=partial(self._set_waveform_param, param),
)
self.add_parameter("waveform",
get_cmd=partial(self._get_waveform_param,
"waveform"))
self.add_parameter(
"impedance",
get_cmd=f":OUTPUT{channel}:IMP?",
set_cmd=f":OUTPUT{channel}:IMP {{}}",
unit="Ohm",
vals=vals.MultiType(
vals.Ints(min_value=DG1062Channel.min_impedance,
max_value=DG1062Channel.max_impedance),
vals.Enum("INF", "MIN", "MAX", "HighZ")),
get_parser=(lambda value: "HighZ" if float(value) > DG1062Channel.
max_impedance else float(value)),
set_parser=lambda value: "INF" if value == "HighZ" else value)
self.add_parameter(
"sync",
get_cmd=f":OUTPUT{channel}:SYNC?",
set_cmd=f"OUTPUT{channel}:SYNC {{}}",
vals=vals.Enum(0, 1, "ON", "OFF"),
)
self.add_parameter(
"polarity",
get_cmd=f":OUTPUT{channel}:GAT:POL?",
set_cmd=f":OUTPUT{channel}:GAT:POL {{}}",
vals=vals.OnOff(),
val_mapping={
1: 'POSITIVE',
0: 'NEGATIVE'
},
)
self.add_parameter(
"state",
get_cmd=f"OUTPUT{channel}:STATE?",
set_cmd=f"OUTPUT{channel}:STATE {{}}",
)
self.add_parameter("duty_cycle",
get_cmd=self._get_duty_cycle,
set_cmd=self._set_duty_cycle,
unit="%",
vals=vals.Numbers(min_value=1, max_value=99),
docstring=('This functions reads/sets the duty '
'cycle for a square and pulse wave '
'since these inheret a duty cycle.\n'
'For other waveforms it will give '
'the user an error'))
burst = DG1062Burst(cast(DG1062, self.parent), "burst", self.channel)
self.add_submodule("burst", burst)
# We want to be able to do the following:
# >>> help(gd.channels[0].sin)
# >>> gd.channels[0].sin(freq=2E3, ampl=1.0, offset=0, phase=0)
# We do not use add_function as it is more cumbersome to use.
for waveform in self.waveforms:
f = partial_with_docstring(
self.apply,
docstring="Args: " + ", ".join(self.waveform_params[waveform]),
waveform=waveform)
setattr(self, waveform.lower(), f)
# Retreive current waveform from device
self.waveform()
def __init__(self, name, **kwargs):
super().__init__(name=name, **kwargs)
self.add_parameter(name='power',
label='Power',
unit='dBm',
parameter_class=ManualParameter,
vals=vals.Numbers(-150, 25))
self.add_parameter(name='avg',
label='Averages',
unit='',
parameter_class=ManualParameter,
vals=vals.Numbers(1, 1000))
self.add_parameter(name='average_mode',
parameter_class=ManualParameter,
vals=vals.Enum('auto', 'flatten', 'reduce',
'moving'))
self.add_parameter(name='average_state',
parameter_class=ManualParameter,
vals=vals.OnOff())
self.add_parameter(name='bandwidth',
label='Bandwidth',
unit='Hz',
parameter_class=ManualParameter,
vals=vals.Numbers(1, 1e6))
self.add_parameter(name='center_frequency',
unit='Hz',
parameter_class=ManualParameter,
vals=vals.Numbers(100e3, 20e9))
self.add_parameter(name='span_frequency',
unit='Hz',
parameter_class=ManualParameter,
vals=vals.Numbers(0, 20e9))
self.add_parameter(name='start_frequency',
unit='Hz',
parameter_class=ManualParameter,
vals=vals.Numbers(100e3, 20e9))
self.add_parameter(name='stop_frequency',
unit='Hz',
parameter_class=ManualParameter,
vals=vals.Numbers(100e3, 20e9))
self.add_parameter(name='number_sweeps_all',
parameter_class=ManualParameter,
vals=vals.Ints(1, 100000))
self.add_parameter(name='npts',
parameter_class=ManualParameter,
vals=vals.Ints(1, 100001))
self.add_parameter(name='min_sweep_time',
parameter_class=ManualParameter,
vals=vals.OnOff())
self.add_parameter(name='sweep_time',
parameter_class=ManualParameter,
vals=vals.Numbers(0, 1e5))
self.add_parameter(name='sweep_type',
parameter_class=ManualParameter,
vals=vals.Enum('lin', 'linear', 'log',
'logarithmic', 'pow', 'power', 'cw',
'poin', 'point', 'segm', 'segment'))
def __init__(self, parent, name, channel, ch_range, ovp_range, ocp_range):
super().__init__(parent, name)
self.vmax = ch_range[0]
self.imax = ch_range[1]
self.ovp_range = ovp_range
self.ocp_range = ocp_range
select_cmd = ":INSTrument:NSELect {};".format(channel)
strstrip = lambda s: str(s).strip()
self.add_parameter("set_voltage",
label='Target voltage output',
set_cmd="{} :SOURce:VOLTage:LEVel:IMMediate:AMPLitude {}".format(
select_cmd, '{}'),
get_cmd="{} :SOURce:VOLTage:LEVel:IMMediate:AMPLitude?".format(
select_cmd),
get_parser=float,
unit='V',
vals=vals.Numbers(min(0, self.vmax), max(0, self.vmax))
)
self.add_parameter("set_current",
label='Target current output',
set_cmd="{} :SOURce:CURRent:LEVel:IMMediate:AMPLitude {}".format(
select_cmd, '{}'),
get_cmd="{} :SOURce:CURRent:LEVel:IMMediate:AMPLitude?".format(
select_cmd),
get_parser=float,
unit='A',
vals=vals.Numbers(0, self.imax)
)
self.add_parameter('state',
label='Output enabled',
set_cmd='{} :OUTPut:STATe {}'.format(select_cmd, '{}'),
get_cmd='{} :OUTPut:STATe?'.format(select_cmd),
get_parser=strstrip,
vals=vals.OnOff()
)
self.add_parameter('mode',
label='Get the output mode',
get_cmd='{} :OUTPut:MODE?'.format(select_cmd),
get_parser=strstrip,
val_mapping={'ConstantVoltage': 'CV',
'ConstantCurrent': 'CC',
'Unregulated': 'UR'}
)
self.add_parameter("voltage",
label='Measured voltage',
get_cmd="{} :MEASure:VOLTage:DC?".format(
select_cmd),
get_parser=float,
unit='V',
)
self.add_parameter("current",
label='Measured current',
get_cmd="{} :MEASure:CURRent:DC?".format(
select_cmd),
get_parser=float,
unit='A',
)
self.add_parameter("power",
label='Measured power',
get_cmd="{} :MEASure:POWer?".format(
select_cmd),
get_parser=float,
unit='W',
)
self.add_parameter("ovp_value",
label='Over Voltage Protection value',
set_cmd="{} :VOLTage:PROTection:LEVel {}".format(
select_cmd, '{}'),
get_cmd="{} :VOLTage:PROTection:LEVel?".format(
select_cmd),
get_parser=float,
unit='V',
vals=vals.Numbers(self.ovp_range[0], self.ovp_range[1])
)
self.add_parameter('ovp_state',
label='Over Voltage Protection status',
set_cmd='{} :VOLTage:PROTection:STATe {}'.format(select_cmd, '{}'),
get_cmd='{} :VOLTage:PROTection:STATe?'.format(select_cmd),
get_parser=strstrip,
vals=vals.OnOff()
)
self.add_parameter("ocp_value",
label='Over Current Protection value',
set_cmd="{} :CURRent:PROTection:LEVel {}".format(
select_cmd, '{}'),
get_cmd="{} :CURRent:PROTection:LEVel?".format(
select_cmd),
get_parser=float,
unit='A',
vals=vals.Numbers(self.ocp_range[0], self.ocp_range[1])
)
self.add_parameter('ocp_state',
label='Over Current Protection status',
set_cmd='{} :CURRent:PROTection:STATe {}'.format(select_cmd, '{}'),
get_cmd='{} :CURRent:PROTection:STATe?'.format(select_cmd),
get_parser=strstrip,
vals=vals.OnOff()
)
def __init__(self, name, address, **kwargs):
"""Initializes the Oxford Instruments PS 120 Magnet Power Supply.
Args:
name (str) : name of the instrument
address (str) : instrument address
number (int) : ISOBUS instrument number.
"""
super().__init__(name, address, terminator="\r", **kwargs)
self._address = address
### Add parameters ###
# status parameters
self.add_parameter(
"remote_status",
get_cmd=self._get_remote_status,
set_cmd=self._set_remote_status,
vals=vals.Ints(),
)
self.add_parameter(
"control_mode",
get_cmd=self._get_control_mode,
set_cmd=self._set_control_mode,
vals=vals.Ints(),
)
self.add_parameter("supply_status", get_cmd=self._get_supply_status)
self.add_parameter("ramp_status", get_cmd=self._get_ramp_status)
self.add_parameter("limit_status", get_cmd=self._get_limit_status)
self.add_parameter(
"activity",
get_cmd=self._get_activity,
set_cmd=self._set_activity,
vals=vals.Ints(),
)
# switch parameters
self.add_parameter(
"switch_heater",
get_cmd=self._get_switch_heater,
set_cmd=self._set_switch_heater,
vals=vals.OnOff(),
)
self.add_parameter("heater_current",
unit="mA",
get_cmd=self._get_heater_current)
# field parameters
self.add_parameter("field", unit="T", get_cmd=self._get_field)
self.add_parameter(
"field_blocking",
unit="T",
get_cmd=self._get_field,
set_cmd=self.run_to_field_blocking,
vals=vals.Numbers(-15, 15),
)
self.add_parameter(
"field_non_blocking",
unit="T",
get_cmd=self._get_field,
set_cmd=self.run_to_field_non_blocking,
vals=vals.Numbers(-15, 15),
)
self.add_parameter(
"field_setpoint",
unit="T",
get_cmd=self._get_field_setpoint,
set_cmd=self._set_field_setpoint,
vals=vals.Numbers(-15, 15),
)
self.add_parameter(
"sweeprate_field",
unit="T/min",
get_cmd=self._get_sweeprate_field,
set_cmd=self._set_sweeprate_field,
vals=vals.Numbers(0, 0.5),
)
self.add_parameter("current", unit="A", get_cmd=self._get_current)
self.add_parameter("magnet_current",
unit="A",
get_cmd=self._get_magnet_current)
self.add_parameter("current_setpoint",
unit="A",
get_cmd=self._get_current_setpoint)
self.add_parameter("sweeprate_current",
unit="A/min",
get_cmd=self._get_sweeprate_current)
self.add_parameter("persistent_current",
unit="A",
get_cmd=self._get_persistent_current)
# setup RS232 communication
self.visa_handle.set_visa_attribute(
visa.constants.VI_ATTR_ASRL_STOP_BITS,
visa.constants.VI_ASRL_STOP_TWO)