visa_instrument

PyVISA Instrument interface and associated decorator tools.

This module contains the VISAInstrument interface and the @retry_on_fail_visa decorator.

Functions

retry_on_fail_visa([attempts, exceptions])

Specific implementation of retry_on_fail for visa instruments, which retries on VisaIOErrors by default.

Classes

VisaInstrument(*args, **kwargs)

Implementation of the Instrument Class with instantiation calls to the pyvisa package to instantiate a VISA-compatible GPIB, Serial, Ethernet, .

retry_on_fail_visa

icicle.visa_instrument.retry_on_fail_visa(attempts=3, exceptions=(<class 'pyvisa.errors.VisaIOError'>, <class 'serial.serialutil.SerialException'>))

Specific implementation of retry_on_fail for visa instruments, which retries on VisaIOErrors by default.

Returns:: Decorated function.

VisaInstrument

class icicle.visa_instrument.VisaInstrument(*args, **kwargs)

Bases: Instrument

Implementation of the Instrument Class with instantiation calls to the pyvisa package to instantiate a VISA-compatible GPIB, Serial, Ethernet, … instrument.

__init__(resource='', sim=False)

Parameters:: resource – VISA resource string. See pyvisa docs for examples.

property sim

Returns:: Whether this instrument instance is set up with a simulation backend.
Return type:: bool