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DEPRECATED

This repository is no longer supported, please consider using picosdk-python-wrappers instead.

This repository contains an example Python module for PicoScope oscilloscopes.

Getting started

Prerequisites

  • A PicoScope oscilloscope using one of the following PicoScope drivers:
    • ps2000
    • ps2000a
    • ps3000
    • ps3000a
    • ps4000
    • ps4000a
    • ps5000a
    • ps6000
  • Python 2.7

Microsoft Windows

  • For best experience on Microsoft Windows Python(x,y) suite is recommended. Note that this will require the 32-bit PicoSDK to be installed (see Installing drivers)

Linux and Mac OS X

  • For Streaming mode data collection, the pytables module is required.
  • The block_capture and streaming_capture examples require matplotlib and signal.
  • PicoPyScope example has been written for use with PyQtGraph.

Notes: The code is not much different from Python3 and can be easily converted with the 2to3 utility. The module has been tested and proved working on Linux (including ARM derivatives), Microsoft Windows and Mac OS X.

Installing drivers

Drivers are available for the following platforms. Refer to the subsections below for further information.

Microsoft Windows

  • Download the PicoSDK (32-bit or 64-bit) driver package installer from our Downloads page.

Linux

Mac OS X

  • Visit our Downloads page and download the PicoScope Beta for Mac OS X application.

Installing the python driver bindings

A distutils installer is provided. After you have installed the PicoSDK driver package (see above), the Python installer can be used as follows:

python setup.py install

On macOS and Linux you will either need to use sudo with this command, to install into the system folders, or to install for the current user only you can use:

python setup.py install --user

Within python, the library for import is called picosdk.

Scripts

python-picoscope

  • block_capture.py - comprehensive suite for testing block collection (-h to see all options)
  • stream_capture.py - streaming testing utility, including some performance tests (-h to see all options)
  • picopyscope.py - simple PC oscilloscope UI

Note: A basic script requires just a few lines as below. Most functions have been decorated with docstrings.

from picosdk import ps2000

if __name__ == "__main__":
    ps = ps2000.Device()
    status = ps.open_unit()
    if status == ps.m.pico_num("PICO_OK"):
        s, state = ps.get_channel_state(channel=ps.m.Channels.A)
        state.enabled = True
        state.range = ps.m.Ranges.r5v
        status = ps.set_channel(channel=ps.m.Channels.A, state=state)
        if status == ps.m.pico_num("PICO_OK"):
            s, index = ps.locate_buffer(channel=ps.m.Channels.A,
                                        samples=1000,
                                        segment=0,
                                        mode=ps.m.RatioModes.raw,
                                        downsample=0)
            status = ps.collect_segment(segment=0, interval=1000)
            if status == ps.m.pico_num("PICO_OK"):
                status, data = ps.get_buffer_volts(index=index)
                print data
                exit(0)
    print ps.m.pico_tag(status)

Programmer's Guides

You can download Programmer's Guides providing a description of the API functions for the relevant PicoScope or PicoLog driver from our Documentation page.

Obtaining support

Please visit our Support page to contact us directly or visit our Test and Measurement Forum to post questions.

Contributing

Contributions are welcome. Please refer to our guidelines for contributing for further information.

Applications written by our customers

The following are Python examples written by our customers:

The following is a fork of this repository:

Copyright and licensing

See LICENSE.md for license terms.

PicoScope and PicoLog are registered trademarks of Pico Technology Ltd.

Windows is a registered trademark of Microsoft Corporation.

Mac and OS X are registered trademarks of Apple, Inc.

Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.

Copyright © 2014-2018 Pico Technology Ltd. All rights reserved.