What is WatchDog in Utility

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WatchDog, watchdog, a kind of timer. Many CPU come with WatchDog, a hardware WatchDog that restarts the device in the event of a software failure, allowing the system to return to its previous working state. It does not prevent the system from dying, but it can bring the system back to life, thus improving the availability of the system. The limitation of hardware WatchDog is that it can only work within the scope of the system, not for a single task. When a task dies, WatchDog cannot know. VxWorks system provides a software WatchDog timer, the working principle is to associate a C function on the ISR of the system clock. Above is all the content of this article "what is WatchDog in Utility?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!