Hi Karl Fraasch
You have 3 possible Id filters; Rx global mask for message buffer, Rx FIFO global mask, and Rx individual mask. The global mask is used by buffers 0..13 and buffers 14 and 15 can use their own unique filters/masks. Please consider that the global configuration is only effective when the Rx individual mask is disabled.
With the individual mask, you can filter in an Rx MB. If the Rx FIFO is not enabled, one mask register is provided for each available Mailbox, providing ID masking capability on a per Mailbox basis. If Rx FIFO is enabled, up to 32 Rx Individual Mask Registers can apply to the Rx FIFO ID Filter Table elements on a one-to-one correspondence depending. So you would have to set a filter table. You can check some links as reference:
K10 FlexCan RX FIFO Filter
FlexCAN Fifo SDK 2.0 example
FlexCAN's FIFO function setting and question
Even if the chip is different, you could use them as reference for the Fifo setting.
Have a great day,
TIC
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