Python VISA bindings for GPIB, RS232, and USB instruments
Project description
PyVISA-py
A PyVISA backend that implements a large part of the “Virtual Instrument Software Architecture” (VISA) in pure Python (with the help of some nice cross platform libraries python packages!).
Description
PyVISA started as wrapper for the NI-VISA library and therefore you need to install National Instruments VISA library in your system. This works most of the time, for most people. But NI-VISA is a proprietary library that only works on certain systems. That is when PyVISA-py jumps in.
Starting form version 1.6, PyVISA allows to use different backends. These backends can be dynamically loaded. PyVISA-py is one of such backends. It implements most of the methods for Message Based communication (Serial/USB/GPIB/Ethernet) using Python and some well developed, easy to deploy and cross platform libraries
VISA and Python
Python has a couple of features that make it very interesting for measurement controlling:
Python is an easy-to-learn scripting language with short development cycles.
It represents a high abstraction level, which perfectly blends with the abstraction level of measurement programs.
It has a very rich set of native libraries, including numerical and plotting modules for data analysis and visualisation.
A large set of books (in many languages) and on-line publications is available.
Requirements
Python (tested with 2.6 and 2.7, 3.2+)
PyVISA 1.6+
Optionally - PySerial (to interface with Serial instruments) - PyUSB (to interface with USB instruments) - linux-gpib (to interface with gpib instruments, only on linux)
Installation
Using pip:
$ pip install pyvisa-py
Documentation
The documentation can be read online at https://pyvisa-py.readthedocs.org
pyvisa-py is written and maintained by Hernan E. Grecco <hernan.grecco@gmail.com>.
Other contributors, listed alphabetically, are:
Lance McCulley <lancemcculley@gmail.com>
Tobias Müller <Tobias_Mueller@twam.info>
(If you think that your name belongs here, please let the maintainer know)
PyVISA-py Changelog
0.1 (2015-02-08)
Nothing changed yet.
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