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2026-09-25 10:48:51 +10:00
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+#ifndef WATCHDOGNRF_H_
+#define WATCHDOGNRF_H_
+
+class WatchdogNRF {
+public:
+  WatchdogNRF();
+
+  // Enable the watchdog timer to reset the machine after a period of time
+  // without any calls to reset().  The passed in period (in milliseconds) is
+  // just a suggestion and a lower value might be picked if the hardware does
+  // not support the exact desired value.
+  //
+  // The actual period (in milliseconds) before a watchdog timer reset is
+  // returned.
+  int enable(int maxPeriodMS = 0);
+
+  // Reset or 'kick' the watchdog timer to prevent a reset of the device.
+  void reset();
+
+  // Completely disable the watchdog timer.
+  void disable()
+      __attribute__((error("nRF's WDT cannot be disabled once enabled")));
+
+  // Enter the lowest power sleep mode (using the watchdog timer) for the
+  // desired period of time.  The passed in period (in milliseconds) is
+  // just a suggestion and a lower value might be picked if the hardware does
+  // not support the exact desired value
+  //
+  // The actual period (in milliseconds) that the hardware was asleep will be
+  // returned.
+  int sleep(int maxPeriodMS = 0);
+
+private:
+  int _wdto;
+};
+
+#endif /* WATCHDOGNRF_H_ */