search

intrepidcs / intrepid-socketcan-kernel-module

Kernel-mode SocketCAN module for Intrepid devices
17 stars 7 forks source link

Bit rate switching (BRS bit) support #12

Closed MaratSabitov closed 2 years ago

MaratSabitov commented 3 years ago

Does driver support the bit rate switching for CAN FD? I mean support for switching the standard bit rate of the ARBITRATION PHASE to the preconfigured alternate bit rate of the DATA PHASE, based on BRS bit value.

hollinsky-intrepid commented 3 years ago

Yes, that would be the CANFD_BRS flag in the SocketCAN message, and we fully support it. If it is set on a CAN FD message, the alternate bit rate will be used. Otherwise, the FDF bit will be set but the standard bit rate will be used for the data phase.

This flag is also set on messages being received if the data phase used the FD bit rate.

Let us know if there's anything else we can help with!