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Python wrapper for Kvaser CANlib

Project description

canlib - a Python wrapper for Kvaser CANlib

Supported Libraries and Installation

The Python canlib module wraps the Kvaser CANlib API in order to make it easy to control most aspects of any Kvaser CAN interface. For more information about Kvaser please go to https://www.kvaser.com/.

The latest version of this package is available on the Kvaser Download page (pycanlib.zip).

Supported platforms

Windows and Linux using Python v3.6+ (both 32 and 64 bit).

Supported libraries

The following libraries are currently supported:

Library Module Windows Linux
CANlib canlib.canlib canlib32.dll libcanlib.so
kvaMemoLibXML canlib.kvamemolibxml kvaMemoLibXML.dll libkvamemolibxml.so
kvrlib canlib.kvrlib kvrlib.dll, irisdll.dll, irisflash.dll, libxml2.dll not supported
kvmlib canlib.kvmlib kvaMemoLib0600.dll, kvaMemoLib0700.dll, kvaMemoLib.dll, kvmlib.dll not supported, [2] libkvamemolib0700.so, libkvamemolib.so, libkvmlib.so
kvlclib canlib.kvlclib kvlclib.dll [1] libkvlclib.so
kvaDbLib canlib.kvadblib kvaDbLib.dll libkvadblib.so
LINlib canlib.linlib linlib.dll liblinlib.so
[1]The kvlclib.dll depends on dll files from matlab wich are installed alongside kvlclib.dll.
[2]The kvaMemoLib0600.dll, which supports older devices, is not supported under Linux.

What’s new

For a complete set of release notes, see Release Notes.

Installation

Install the Python package using e.g. pip:

Unzip pycanlib.zip. Navigate to the unzipped pycanlib in the command line. It should contain the file canlib-x.y.z-py2.py3-none-any.whl, where x,y,z are version numbers. Run the following command:

$ pip install canlib-x.y.z-py2.py3-none-any.whl

The Kvaser CANlib DLLs or shared libraries also need to be installed:

Windows

On Windows, first install the canlib32.dll by downloading and installing “Kvaser Drivers for Windows” which can be found on the Kvaser Download page (kvaser_drivers_setup.exe) This will also install kvrlib.dll, irisdll.dll, irisflash.dll and libxml2.dll used by kvrlib.

The “Kvaser CANlib SDK” also needs to be downloaded from the same place (canlib.exe) and installed if more than just CANlib will be used. This will install the rest of the supported library dll’s.

The two packages, “Kvaser Drivers for Windows” and “Kvaser CANlib SDK”, contains both 32 and 64 bit versions of the included dll’s.

Linux

On Linux, first install the libcanlib.so by downloading and installing “Kvaser LINUX Driver and SDK” which can be found on the Kvaser Download page (linuxcan.tar.gz).

If more than just CANlib will be used, the rest of the supported libraries will be available by downloading and installing “Linux SDK library” (kvlibsdk.tar.gz).

Usage

Example of using canlib to list connected Kvaser devices:

from canlib import canlib

num_channels = canlib.getNumberOfChannels()
print("Found %d channels" % num_channels)
for ch in range(0, num_channels):
    chdata = canlib.ChannelData(ch)
    print("%d. %s (%s / %s)" % (ch, chdata.channel_name,
                                chdata.card_upc_no,
                                chdata.card_serial_no))

Which may result in:

Found 4 channels
0. Kvaser Memorator Professional HS/HS (channel 0) (73-30130-00351-4 / 12377)
1. Kvaser Memorator Professional HS/HS (channel 1) (73-30130-00351-4 / 12377)
2. Kvaser Virtual CAN Driver (channel 0) (00-00000-00000-0 / 0)
3. Kvaser Virtual CAN Driver (channel 1) (00-00000-00000-0 / 0)

Support

You are invited to visit the Kvaser web pages at https://www.kvaser.com/support/. If you don’t find what you are looking for, you can obtain support on a time-available basis by sending an e-mail to support@kvaser.com.

Bug reports, contributions, suggestions for improvements, and similar things are much appreciated and can be sent by e-mail to support@kvaser.com.

References

Project details


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