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CVRA CAN to USB interface

STM32 builds

Usage

use with SocketCAN

sudo modprobe can
sudo modprobe can-raw
sudo modprobe slcan

# configure CAN interface
sudo slcan_attach -s8 -o /dev/ttyACM0
sudo slcand ttyACM0 slcan0
sudo ifconfig slcan0 up

# use with can-utils
cansend slcan0 123#2a
candump slcan0

Building & flashing

# make sure all submodules are initialized
git submodule update --init

# building
make

# flashing using USB DFU
# to enter DFU mode, press the button while plugging USB in.
make dfu

Supported commands

  • 'T', 't', 'R', 'r': send CAN frames
  • 'Sx': set bitrate
  • 'O': open channel
  • 'l', 'L': open in loop back or silent mode
  • 'C': close channel
  • 'V', 'v': hardware and software version
  • 'P', 'p': turn bus power on and off respectively. This is a proprietary extension to the SLCAN protocol. A tool is included to make use of this feature.