8devices Korlan USB2CAN Manuale d'uso - Pagina 14

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You can run multiple instances of kcan.exe on your Windows computer to control multiple Korlan

USB2CAN devices. Make sure you select the proper device ID and set the correct bit rates.

THE Korlan USB2CAN test application is implemented in Python and relies on a versatile python-can library.

8devices provide the source code of kcan.exe under a very friendly license for your reference and

experiments.

4.3 Python programing examples for Windows

You will require a CANAL DLL library from the 8devices WEB site. It's been provided for 64 and 32-bit

environments

https://www.8devices.com/media/products/usb2can_korlan/downloads/korlan_python-can_examples.zip

Examples are based on python-can library programming examples and are slightly modiﬁed, adding Korlan

USB2CAN speciﬁc information and providing an explicit path to the usb2can.dll library.

You will need to install a python-can library using your favorite Python package installer.

send_one_korlan.py - sends a single CAN bus message.

import can

with can.interface.Bus(bustype="usb2can", channel="9508bbcc", bitrate=1000000, dll='./

usb2can.dll') as bus:

msg = can.Message(arbitration_id=0xC0FFEE, data=[0, 25, 0, 1, 3, 1, 4, 1],

is_extended_id=True)

try:

bus.send(msg)

print(f"Message sent on {bus.channel_info}")

except can.CanError:

print("Message NOT sent")

KORLAN USB2CAN

USER GUIDE