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--- esp32:watchdog [2022/04/25 19:56] – created aistis
+++ esp32:watchdog [2022/04/25 20:10] (current) – aistis
@@ Line 1: / Line 1: @@
-aaa
+esp32 watchdog
+<code cpp>
+#include "esp_system.h"
+void IRAM_ATTR resetModule() {
+  ets_printf("reboot\n");
+  esp_restart();
+}
+//setup
+  timer = timerBegin(0, 80, true);                  //timer 0, div 80
+  timerAttachInterrupt(timer, &resetModule, true);  //attach callback
+  const int wdtTimeout = 3000;  //time in ms to trigger the watchdog
+  timerAlarmWrite(timer, wdtTimeout * 1000, false); //set time in us
+  timerAlarmEnable(timer);                          //enable interrupt
+//loop
+  timerWrite(timer, 0); //reset timer (feed watchdog)
+</code>