The invention discloses a vehicle controller, a program starting and flashing method thereof and a storage medium, a memory in the vehicle controller is provided with a first storage area, a second storage area, a third storage area and a fifth storage area, the first storage area is used for storing a bootstrap management program, the second storage area is used for storing a first bootstrap program, and the third storage area is used for storing a second bootstrap program. The fourth storage area is used for storing a first application program, the fifth storage area is used for storing a second application program, and the method comprises the steps that after a vehicle controller is powered on, a bootstrap management program is operated to search a bootstrap program starting identification bit; running the first bootstrap program or the second bootstrap program according to the position of the bootstrap program starting identification bit so as to search the application program starting identification bit; and running the first application program or the second application program according to the position of the application program starting identification bit until the vehicle controller is powered off. Therefore, redundant backup is performed on the bootstrap program and the application program at the same time, so that the reliability and the stability of the vehicle controller are improved.
本发明公开了一种车辆控制器及其程序启动及刷写方法和存储介质,其中,车辆控制器中的存储器设置有第一至第五存储区,第一存储区用于存储引导管理程序,第二存储区用于存储第一引导程序,第三存储区用于存储第二引导程序,第四存储区用于存储第一应用程序,第五存储区用于存储第二应用程序,方法包括:在车辆控制器上电后,运行引导管理程序以查找引导程序启动标识位;根据引导程序启动标识位所处的位置运行第一引导程序或第二引导程序,以查找应用程序启动标识位;根据应用程序启动标识位所处的位置运行第一应用程序或第二应用程序,直至车辆控制器下电。由此,同时对引导程序和应用程序进行冗余备份,从而,提高车辆控制器的可靠性与稳定性。
Vehicle controller, program starting and flashing method thereof and storage medium
车辆控制器及其程序启动及刷写方法和存储介质
2022-07-01
Patent
Electronic Resource
Chinese
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