The invention belongs to the technical field of vehicle-mounted upgrading control, and particularly relates to a vehicle-mounted entertainment
system upgrading method and
system based on Flash CAN, the method comprises the steps of hardware preparation,
firmware updating file obtaining and upgrading, the upgrading process comprises the steps that current vehicle-mounted entertainment
system firmware is backed up, the downloaded
firmware updating file is verified, the next step is continued if
verification succeeds, and the next step is continued if
verification succeeds; and if the
verification fails, the firmware update file is downloaded again, a specified Flash
storage area is erased, the
upgrade management module requests and transmits a data packet of the firmware update file to the embedded
control unit, and if the request or the transmission fails, the
upgrade management module rolls back to an original system, and the steps of data receiving and verification, restarting and verification are carried out, and verifying whether the functions of the vehicle-mounted entertainment system are normal. According to the invention, the risk of
upgrade failure is reduced, the upgrade efficiency is improved, the security of the system is enhanced, and the system abnormity caused by improper upgrade is effectively avoided.