pylab_ml.matrix.base_pickering.Pickering

class Pickering(**kwargs)

Bases: Instrument

Base Class, Interface to the Pickering Matrix Card.

Date:

May 05, 2026

Author:

Semi-ATE <info@Semi-ATE.org>

The Pickering baseclass can connect to Pickering Matrix Card

__init__(**kwargs)

Initialise.

Initialization arguments:

addr (int):

interface PXIslot address

interface (dev_interface.Instrument):

pxie

Example: Initialization

>>> instrument = NatInst(addr=3)     # PXIe slot address
>>> instrument.init()                # connect and initialize instrument

Methods

__init__(**kwargs)	Initialise.
clear()	Clear error status.
close()	Close connection to Pickering device.
error_list()	List of outstanding errors.
find_names()	find_names() returns list of identifiers strings, lhs of = assignments
findcard()	Find address for Pickering Card.
help()
identify([showInstName])	Identify message.
init([identify])	Optional init for interlock startup after identification.
local()	Not possible, always remote control.
message([message])	Device has no display, message display to logger.
mqtt_add(client, instrument[, liste, qos])	Add the instrument to mqtt.
mqtt_disconnect()	Remove the instrument from mqtt.
publish(topic, value)	Publish topic as type='cmd' with paylad=value.
publish_get(function_name, value)	Publish function_name as type='get' with paylad=value.
publish_set(function_name, value)	Publish function_name as type='set' with paylad=value.
reset()	Reset.
setup_inst()	Setup the instrument settings.

Attributes

command
id	Get the id from the device.
interchoices	Abstract for static class variable interchoices, to list interfaces statically.
mqtt_enable
mqtt_list
mqtt_status	Getter for the mqtt_status.

clear()

Clear error status.

close()

Close connection to Pickering device.

error_list()

List of outstanding errors.

find_names()

find_names() returns list of identifiers strings, lhs of = assignments

findcard()

Find address for Pickering Card.

Returns:

-1 if no card found

addr if card found

-1 and display addr if more than 1 card found.

Return type:

int

property id

Get the id from the device.

identify(showInstName=False)

Identify message.

init(identify=False)

Optional init for interlock startup after identification.

abstract property interchoices

Abstract for static class variable interchoices, to list interfaces statically.

json = <module 'json' from '/home/runner/miniconda3/envs/test/lib/python3.9/json/__init__.py'>

local()

Not possible, always remote control.

message(message=None)

Device has no display, message display to logger.

mqtt_add(client, instrument, liste='#', qos=0)

Add the instrument to mqtt.

calling from base_instrument, after the instrument (device) has been create. Normally you have not to use this function, only base_instrument use it.

Returns:

None.

mqtt_disconnect()

Remove the instrument from mqtt.

calling from base_instrument, if the instrument are closing. Normally you have not to use this function, only base_instrument use it.

Returns:

None.

property mqtt_status

Getter for the mqtt_status.

publish(topic, value)

Publish topic as type=’cmd’ with paylad=value.

publish_get(function_name, value)

Publish function_name as type=’get’ with paylad=value.

publish_set(function_name, value)

Publish function_name as type=’set’ with paylad=value.

reset()

Reset.

setup_inst()

Setup the instrument settings.