[riot-notifications] [RIOT-OS/RIOT] drivers/include: add header definition for wdt (#11527)

Alexandre Abadie notifications at github.com
Fri May 17 17:07:10 CEST 2019

aabadie commented on this pull request.

> + * or wdt_kick() the timer counter preventing it from hitting 0. If due to
+ * software or hardware error the WDT counter isn't reset this will trigger
+ * corrective actions, i.e. a system reboot or callback (not supported by all
+ * platforms). 
+ *
+ * This basic interface defines two operation modes NORMAL and WINDOWED. In
+ * NORMAL operation if the WDT counter isn't reset before TIMEOUT than a
+ * reboot/callback is triggered. In WINDOWED operation if a reset isn't triggered
+ * or if it's triggered outside of the time window a reboot is triggered.
+ *
+ * Not all platforms support stopping the WDT, in some cases once enabled it
+ * can't be stopped so verify the specific platform implementation and (some
+ * only pause/stop it in some operation modes).
+ *
+ * Since WDT upper and lower bound are a per platform constraint they can be
+ * definend in periph_cpu.h and should be known at compile time. A distinction


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