一个软件看门狗的例子，推荐下载，可以使用，具有一定的商业价值。-a software watchdog example, download, use and has commercial value.

看门狗C语言程序， 看门狗C语言程序，看门狗C语言程序-Watchdog C language program, the watchdog C language program, the watchdog C language program, the watchdog C language program

It can be used either as a watchdog to reset the device when a problem occurs, or as a free-running timer for application timeout management. It is hardware- or software-configurable through the option bytes