Resolved! Wrong message ID sent on FDCAN
I am using the FDCAN module on STM32H753 to send messages. The message ID is always the same: 0x7DF. So I create a static Tx header: static FDCAN_TxHeaderTypeDef txHeader = { .Identifier = 0x07DF, .IdType = FDCAN_STANDARD_ID, .TxFrameType = FDCAN_DA...