> Does anyone know if anyone has developed a USB-CAN converter using
> libopencm3? I’ve used a mictronics.de USB<>CAN (supported by linux
> SocketCAN), but a CM3 version should result in a good reduction in parts
> count, and possibly dual CAN channels...
>
I've made a PCB using an stm32f042c6 that supports USB<->CAN. I'm using the
st-micro HAL library instead of libopencm3, so I cannot help with the
software much. Despite that, here is a link to my hardware schematic
(https://github.com/HEEV/supermileageHW/blob/master/can_sensor/can_sensor.pdf)
My code is at https://github.com/HEEV/CanNode This isn't CAN<->USB really
its more for generic can with some USB stuff thrown in. For CAN<->USB code
I would recommend looking at the CANTact project
<https://linklayer.github.io/cantact/> (which also uses the stm32f042c6
controller, supported by socketCAN).
Hope this helps
-Sam Ellicott
Electrical Engineering Student, Cedarville University
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