This interface adds support for CAN controllers by National Instruments.
NI-CAN only seems to support 32-bit architectures so if the driver can’t be loaded on a 64-bit Python, try using a 32-bit version instead.
CAN filtering has not been tested throughly and may not work as expected.
NicanBus(channel, can_filters=None, bitrate=None, log_errors=True, **kwargs)¶
The CAN Bus implemented for the NI-CAN interface.
This interface does implement efficient filtering of messages, but the filters have to be set in
set_filters()does not work.
- channel (str) – Name of the object to open (e.g. ‘CAN0’)
- bitrate (int) – Bitrate in bits/s
- can_filters (list) – See
- log_errors (bool) – If True, communication errors will appear as CAN messages with
is_error_frameset to True and
arbitration_idwill identify the error (default True)
can.interfaces.nican.NicanError – If starting communication fails
Resets the CAN chip which includes clearing receive and transmit queues.
Send a message to NI-CAN.
Parameters: msg (can.Message) – Message to send Raises: can.interfaces.nican.NicanError – If writing to transmit buffer fails. It does not wait for message to be ACKed currently.