With commit F1D10CF the complete can_api.c file has been replaced with one that is targeted for the F7 family. With this implementation, the can_filter function ignores the handle argument and uses a fixed filter index of zero and calls HAL_FDCAN_ConfigFilter. The earlier implementation uses the han…

Only a single CAN filter can be used with STM32F4xx devices

jeromecoutant (Jerome Coutant) February 20, 2020, 2:55pm 2

Is this commit

solves your issue ?

Jerome