Teensy 4.1 slcan

Turn your teensy4.1 into a slcan device, source code based on https://github.com/mintynet/teensy-slcan but using FlexCan_T4 library instead of FlexCAN.

Note: You'll need a 3.3V logic CAN transceiver (like the mcp2562) to interface the teensy with the can bus

Build using VScode and platformio

Usage

Tested on linux only\

Building

You need FlexCan_T4 library installed on platformio for building

Build and Flash the program to the teensy using platformio (or your ide of choice)\

Requirements:

$ python3-can
$ can-utils

Test (with python-can)

$ python -m can.viewer -c /dev/ttyACM0@2000000 -i slcan

Setup (with can-utils)

$ sudo slcan_attach -f -s6 -o /dev/ttyACM0  
$ sudo slcand -S 2000000 ttyACM0 can0  
$ sudo ifconfig can0 up  

then,

$ candump can0

or open SavvyCan and set up a new socketcan device

Cleanup

$ sudo ifconfig can0 down  
$ sudo killall slcand