Resolved! Received FDCAN 64bytes data but FDCAN_RxHeader.datalength is 15, is it a bug?
Split from this thread. thanks to @Ozone @Karl Yamashita, this afternoon I have tried to extend can2.0 to canfd with my project of stm32g474vet6. I found some strange things, I think there may be a bug of stm32g474vet6 fdcan module. I modifed the FD...