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Questions tagged [can]

CAN-Bus is a bus network commonly used in vehicles and automation systems.

CAN (Controller Area Network) is a network system developed to allow components communicate without a bus master / host device.

CAN bus was originally developed for automobile use. Today it is found in a variety of application, and the Linux kernel supports CAN-based network interfaces.

13 questions
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Mount usb to serial adapter CANBUS and can-utils ubuntu?

I have this adapter and I'm trying desperately to mount it in Ubuntu so I can use can-utils to monitor the device but I'm failing. I'm trying to communicate with a serial to the can-bus adapter in 14.04 with can-utils this is the canopen device I'm…
vimes1984
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How to automatically bring up CAN interface in Ubuntu 17.10

In previous versions of Ubuntu I have been using this script to automatically bring up an network interface for a USB to CAN bridge device, whenever the device is plugged in: $ cat /etc/network/interfaces # interfaces(5) file used by ifup(8) and…
Aras
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ip link set dev up returns RTNETLINK answers: Invalid argument

I have a USB CAN device that create a network interface: $ ip addr 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host…
Mark
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18.04 Server with CAN bus and netplan configuration

In Ubuntu server 18.04, what is the best way to use netplan to configure ethernet interfaces, AND configure and use CAN interfaces? I can successfully use netplan to configure my ethernet interfaces, but I can't find much about how to also get CAN…
Chui Vanfleet
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CAN: netlink error -95 (Operation not supported)

When creating a bridge between can and virtual can, I am getting this error: netlink error -95 (Operation not supported) Steps that I followed: Created a virtual can: sudo modprobe -n --first-time vcan Load it sudo modprobe vcan add it to type…
TheLittleNaruto
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1 answer

How to change language on Opera snap on Ubuntu 22.04

How to change language on Opera snap on Ubuntu 22.04?
D1Op0Los
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Udev rule to connect USB to CAN Lawicell

I did purchase a USB to CAN from Lawicell Using this tutorial (http://pascal-walter.blogspot.com/2015/08/installing-lawicel-canusb-on-linux.html) device is running but I cannot automatically detect it using udev rule (ubuntu 16 04 LTS) udev rule is…
Tabarnak
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Ubuntu 22.04 on x86: platform or devicetree support for mcp251x is not available

I don't know / haven't found a way to configure mcp251x module without patching and recompiling the kernel. The hardware is an UP-module from AAEON, with additional Pi-Shield-CAN-bus module (mcp2515) connected via the HAT40-IF. Details regarding the…
WernNauAsk
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USB to CAN Adapter issues on Ubuntu 22.04 (Canalyst ii)

I just bought a USB to CAN Adapter (Waveshare USB-CAN-B) to communicate with some MCUs over CAN. Working on Ubuntu 22.04 installed on my laptop. I am unable to see the can0 interface when I connect the adapter. Here is some data that might prove…
Soham Patil
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1 answer

Cannot find device "can0" with Ubuntu-Server 20.04

my question is about using the SPI interface to do some things with CAN. On my Raspberry with the Raspberry OS everything worked fine. Since I want to use the CAN data with ROS, I decided to install Ubuntu Server 20.04 on it. In doing so, I ran into…
oszimilian
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1 answer

run ip commands without sudo

I am currently writing something that utilizes a usb CAN interface to communicate with a CAN bus. If I switch users to root, the program runs just fine, however, I want to run the program as my local user (steven). The program is built on top of…
Steven
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how to always update USB through /tty/USB* command

I am doing slcan communication with i.mx8qm board every time when I reboot the board I need to update the USB port through command for proper communication sudo slcand -o -s8 -t hw -S 3000000 /dev/ttyUSB* how to keep USB port number updated every…
akshay
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how to solve "No if updown configuration found" for CAN bus interface Linux 18.4.4LTS

I am trying to get SocketCAN interface working. I've added the slcan0 adapter and trying to run candump slcan0 at a bit rate I am sure the CAN devices is running at. I dont see any data being printed in the terminal while I am sure CAN device is…
Rishit
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