Patent ID: 11874786
Assignee: BYD COMPANY LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 12:
13. The method according to claim 11, further comprising:
synchronizing data from the primary memory of the primary FEP by using the secondary memory;
receiving, by using the at least one secondary driver, a diagnosis packet transmitted by the at least one external device, to diagnose, according to the diagnosis packet, whether there is a fault in a communication link between the primary FEP and the at least one external device and a communication link between the secondary FEP and the at least one external device; and
controlling the at least one secondary driver by using the secondary TO manager according to a channel diagnosis instruction, transmitting the channel diagnosis instruction to the at least one external device by using at least one of the at least one primary driver and the at least one secondary driver, wherein the at least one external device generates a diagnosis packet according to the channel diagnosis instruction, and receiving, by using the secondary IO manager, status information of the at least one external device, and synchronizing data with the primary IO manager.