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PXI-8516 and NI-CAN compatibility layer

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I am trying to use a PXI-8516 LIN card we recently purchased to extend an existing project which uses CAN cards with the NI-CAN compatibility layer. In order to maintain consistency, I would like to use the NI-CAN API as well. The API provides support for LIN protocol, but when I try to use it with this card (using a simple ncOpen with ObjName=LIN1) I get error BFF6210D "Your application uses a feature that your NI CAN or LIN hardware does not support." Does this mean that this card cannot be used with the NI-CAN API?


I have looked at the NI documentation, and it says that the compatibility layer cannot be used with USB LIN cards, but this is a PXI card. In the support page "Migrating NI-CAN Applications to NI-XNET", located at it even has a flowchart to help decide if the compatibility layer can be used. In the flowchart it specifies that the 851x series can be used with the NI-CAN compatibility layer. Does this include the LIN cards PXI-8516 and PCI-8516? Or does it only refer to the CAN cards of that family?


Can the PXI-8516 be used with the NI-CAN API?





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No, the PXI-8516 cannot be used with the NI-CAN compatibility layer. The compatibility layer is designed to migrate existing NI-CAN aplications written to use PXI/PCI Series 2 hardware to new XNET hardware. It is not intended to migrate existing NI-CAN appliations writtens for USB-CAN or USB-LIN applications to XNET hardware, although it woud likely work for USB-CAN applications as they only use a subset of the PXI/PXI Series 2 API.


I apologize for the inconvenience.

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But this is not an "existing NI-CAN appliation written for USB-CAN or USB-LIN applications". It is an application for a PXI card. That's why I was asking, because according to the wording of the documentation, it should be possible to use it, but I don't know if the documentation is older than the hardware and NI has not had time to update the documentation.



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Accepted by topic author AGID
08-27-2015 04:09 PM

NI does not recommend using the NI-CAN API for new designs. We provide the compatibility layer for existing applications that were written to run on existing NI-CAN hardware to help migrate to the newer NI-XNET hardware without changing your application (although updating to the NI-XNET API would provide the highest level of performance, we understand that not all applications can be updated immediately).


NI doesn't make any PXI-LIN cards that work with the NI-CAN API, so migrating existing NI-CAN PCI/PXI hardware to NI-XNET PCI/PXI hardware is not applicable for LIN. 



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