Xavier watchdog example

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Use of TX2 Watchdog peripheral - role of WDT_TIME_OUT input

The WDT0 device node is /dev/watchdog0. The following user-space sample code shows opening, enabling, obtaining and specifiying the timeout value, and kicking the watchdog timer. int fd, ret; int timeout = 0; /* open WDT0 device (WDT0 enables itself automatically) */ fd = open("/dev/watchdog0", O_RDWR); if(fd < 0) { fprintf(stderr, "Open watchdog device failed!\n"); return -1; } /* WDT0 is counting now,check the default timeout value */ ret = ioctl(fd, WDIOC_GETTIMEOUT, &timeout); if…