How to use seeedstudio from pythoncan?

Diggy · July 31, 2021, 12:26pm

Hi there! Seeedstudio interface was added to pythoncan:
https://python-can.readthedocs.io/en/3.3.2/interfaces/seeedstudio.html
What’s the correct way to use it in pyuavcan?

Diggy · July 31, 2021, 12:30pm

I mean it would be great to have similar example for seedstudio too:

class PythonCANMedia(Media):
…

Interface socketcan is implemented by :class:can.interfaces.socketcan.SocketcanBus.
The bit rate values are only used to select Classic/FD mode.
It is not possible to configure the actual CAN bit rate using this API.
Example: socketcan:vcan0

pavel.kirienko · August 1, 2021, 5:34pm

It is not supported at the moment. You can add support by introducing a new factory here:

github.com

UAVCAN/pyuavcan/blob/76f29d67938a8f3dc6a44eb1c812049fdd757f2e/pyuavcan/transport/can/media/pythoncan/_pythoncan.py#L425-L437


_CONSTRUCTORS: typing.DefaultDict[
    str, typing.Callable[[_InterfaceParameters], can.ThreadSafeBus]
] = collections.defaultdict(
    lambda: _construct_any,
    {
        "socketcan": _construct_socketcan,
        "kvaser": _construct_kvaser,
        "slcan": _construct_slcan,
        "pcan": _construct_pcan,
        "virtual": _construct_virtual,
        "usb2can": _construct_usb2can,
    },
)

It was done recently for another adapter:

Diggy · August 2, 2021, 10:00am

Pavel thank you so much!
Do you have any idea when it would be supported?

pavel.kirienko · August 2, 2021, 10:08am

It will be supported when you send a pull request with the necessary changes in it

Diggy · August 2, 2021, 10:14am

got you