Hello, I am working on the Normal Mode on STM32H735G-DK board using FDCAN1 & FDCAN2, but the callback function is not triggered, but when I use the same code on STM32H745I-DISCO board, it worked, anybody has any idea?

[Acecream]

always stuck in here Error_Handler, and only TxData can load Message successfully twice, so I think it's because of the Callback function is not triggered, so the transmission is interrupted and also RxData didn't receive message.

Here is the Callback function:

 

And What's more, the Error lead to this part:

which I don't know how to solve it...

Any help will be appreciated!

[FBL]

Hello @Acecream​ 

You should ensure that the clock frequency and the baud rate of the FDCAN peripheral are properly configured and initialized. Try comparing the configurations of the FDCAN peripheral and refer to the examples in Cube firmware.