ONLINE UPGRADE METHOD FOR HOUSEHOLD APPLIANCE MULTI-MCU SYSTEM, ELECTRONIC DEVICE, AND MEDIUM

摘要

An online upgrade method for a household appliance multi-MCU system, an electronic device, and a medium. Said method comprises: sending to a server an online upgrade request and the version of the current program upgrade package, the program upgrade package comprising an upgrade program of a main MCU and an upgrade program of at least one secondary MCU; receiving the latest program upgrade package sent by the server, and storing same in a memory for backup; reading and parsing the latest program upgrade package, and according to header information of the latest program upgrade package, determining whether the main MCU and the secondary MCU needing program upgrade; according to the determination result, upgrading the main MCU needing program upgrade, and/or according to the determination result, sending to the corresponding secondary MCU an upgrade program of the secondary MCU needing upgrade. The multi-MCU system involved in said method has only a unique software version number, providing convenient version maintenance and tracing, and not being easily confused. The software upgrade stability of the system is high.