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fix: only touch the task watchdog from tasks that are subscribed to it

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Only loop() is subscribed.  setConnected() runs on the WiFi event task
and reached SocketEmitter::endEmit(), whose plain esp_task_wdt_reset()
logged "esp_task_wdt_reset(707): task not found" on every boot.  The web
and socket handlers on async_tcp did the same.

/scanaps on async_tcp called esp_task_wdt_add(NULL) after the scan,
subscribing a task that nothing resets, so the board could panic 15 s
after a scan from the UI.

TaskWdt.h resets only a subscribed task and re-adds a task after a long
call only when it was watched before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
cjkas 2026-10-21 13:45:04 +02:00
parent e9109c56e0
commit 609cd455c6
10 changed files with 154 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/entryPoints/WebUiRoutes.cpp
View file

@ -1,7 +1,7 @@
#include <WiFi.h>
#include <LittleFS.h>
#include <Update.h>
#include <esp_task_wdt.h>
#include "TaskWdt.h"
#include "esp_log.h"
#include "ConfigSettings.h"
#include "ConfigFile.h"
@ -275,7 +275,7 @@ void registerWebUiRoutes(AsyncWebServer &server) {
else request->send(400, _encoding_json, F("{\"status\":\"ERROR\",\"desc\":\"The upload didn't complete, so nothing was restored.\"}"));
},
[](AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final) {
esp_task_wdt_reset();
resetTaskWdt();
if(index == 0) {
webServer.uploadSuccess = false;
ESP_LOGD(TAG, "Restore: %s", filename.c_str());
@ -544,7 +544,7 @@ void registerWebUiRoutes(AsyncWebServer &server) {
ESP_LOGE(TAG, "Update end failed");
}
}
esp_task_wdt_reset();
resetTaskWdt();
});
// updateShadeConfig - file upload
@ -615,15 +615,14 @@ void registerWebUiRoutes(AsyncWebServer &server) {
ESP_LOGE(TAG, "Update end failed");
}
}
esp_task_wdt_reset();
resetTaskWdt();
});
server.on("/scanaps", HTTP_GET, [](AsyncWebServerRequest *request) {
esp_task_wdt_reset();
esp_task_wdt_delete(NULL);
const bool wdtPaused = pauseTaskWdt();
if(net.softAPOpened) WiFi.disconnect(false);
int n = WiFi.scanNetworks(false, true);
esp_task_wdt_add(NULL);
resumeTaskWdt(wdtPaused);
ESP_LOGI(TAG, "Scanned %d networks", n);
AsyncJsonResp resp;
resp.beginResponse(request, g_async_content, sizeof(g_async_content));