Merge pull request #2657 from poelzi/watchdog

Enable ESP watchdog by default

wled00/wled.h

@@ -49,6 +49,12 @@
 // filesystem specific debugging
 //#define WLED_DEBUG_FS
 
+#ifndef WLED_WATCHDOG_TIMEOUT
+  // 3 seconds should be enough to detect a lockup
+  // define WLED_WATCHDOG_TIMEOUT=0 to disable watchdog
+  #define WLED_WATCHDOG_TIMEOUT 3
+#endif
+
 //optionally disable brownout detector on ESP32.
 //This is generally a terrible idea, but improves boot success on boards with a 3.3v regulator + cap setup that can't provide 400mA peaks
 //#define WLED_DISABLE_BROWNOUT_DET
@@ -78,6 +84,7 @@
   #else
     #include <LittleFS.h>
   #endif
+  #include "esp_task_wdt.h"
 #endif
 
 #include "src/dependencies/network/Network.h"
@@ -704,5 +711,7 @@ public:
   void initConnection();
   void initInterfaces();
   void handleStatusLED();
+  void enableWatchdog();
+  void disableWatchdog();
 };
 #endif        // WLED_H