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

Claim 18:
19. The method according to claim 11, wherein the at least one primary driver comprises a first primary driver and a second primary driver, the at least one secondary driver comprises a first secondary driver and a second secondary driver, and the method further comprises:
communicating, by the secondary memory, with the first secondary driver when there is a fault in a communication link between the first primary driver and the at least one external device, to store data of the at least one external device, wherein the secondary memory synchronizes data with the primary memory, and communicating, by the primary memory, with the first primary driver when there is a fault in a communication link between the first secondary driver and the at least one external device, to store data of the at least one external device.