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Disable watchdog timer during OTA firmware update #35

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Merged
chl33 merged 1 commit into from
Nov 29, 2025
Merged

Disable watchdog timer during OTA firmware update #35

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6 changes: 6 additions & 0 deletions src/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
// Licensed under the MIT license. See LICENSE file in the project root for details.

#include <Arduino.h>
#include <ArduinoOTA.h>
#include <AsyncJson.h>
#include <ESPAsyncWebServer.h>
#include <LittleFS.h>
Expand Down Expand Up @@ -476,6 +477,11 @@ void setup() {
// Initialize Watchdog Timer with 5 second timeout
esp_task_wdt_init(5, true);
esp_task_wdt_add(NULL); // Add current thread (loopTask) to WDT

// Disable WDT during OTA
ArduinoOTA.onStart([]() { esp_task_wdt_delete(NULL); });
ArduinoOTA.onEnd([]() { esp_task_wdt_add(NULL); });
ArduinoOTA.onError([](ota_error_t error) { esp_task_wdt_add(NULL); });
}

// This is called repeaedly when code is running.
Expand Down