zaben903 / crystal_can

Crystal SocketCAN Inferface

crystal_can

Crystal CAN adds the ability to read from a Linux SocketCAN interface.

Installation

1. Add the dependency to your shard.yml:

   dependencies:
     crystal_can:
       github: zaben903/crystal_can

2. Run shards install

Usage

require "crystal_can"

client = CrystalCan::Client.new
response = client.receive

Returned from the receive action is a LibC::CanFrame struct using the struct from /linux/can.h

Development

setting up vcan0 interface:

sudo ip link add dev vcan0 type vcan
sudo ifconfig vcan0 up

Testing reading CAN packets can be done using:

apt install can-utils
cansend vcan0 "01a#11223344"

Contributing

1. Fork it (https://github.com/zaben903/crystal_can/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Zach Bensley - creator and maintainer