From eb980d286da9122b245dff7bb26d3bb53ecd28c2 Mon Sep 17 00:00:00 2001
From: Erick Ahmed <engineering@erickahmed.com>
Date: Sat, 11 Oct 2025 13:57:01 +0200
Subject: [PATCH] Fix watchdog initialization and parameters

---
 .gitignore                     |  9 +++++++++
 firmware/esp32/source/main.cpp | 19 +++++++++++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 1e65d57..24b0a50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,6 +56,9 @@ $RECYCLE.BIN/
 # VS Code
 .vscode/
 
+# Zed
+.zed
+
 # Backup files
 *~
 *.orig
@@ -63,3 +66,9 @@ $RECYCLE.BIN/
 
 # Logs
 *.log
+
+# EDA
+eda/atmega/atmega-backups
+
+# Personal
+*-debug.sh
diff --git a/firmware/esp32/source/main.cpp b/firmware/esp32/source/main.cpp
index ec19101..4374edc 100644
--- a/firmware/esp32/source/main.cpp
+++ b/firmware/esp32/source/main.cpp
@@ -4,17 +4,28 @@
 #include "esp_system.h"
 #include "esp_log.h"
 #include "esp_pm.h"
+#include "esp_task_wdt.h"
+#include "freertos/semphr.h"
 
 volatile bool critical_error_flag = false;
 
-static void watchdogTask(void pvParameters*) {
-    const TickType_t keepAlivePeriod = pdMS_TO_TICKS(30000);
+static void watchdogTask(void *pvParameters) {
+    esp_task_wdt_config_t twdt_config = {
+        .timeout_ms = 12000,
+        .idle_core_mask = 0,
+        .trigger_panic = true,
+    };
+    ESP_ERROR_CHECK(esp_task_wdt_init(&config));
+    ESP_ERROR_CHECK(esp_task_wdt_add(NULL));
+
+    const TickType_t keepAlivePeriod = pdMS_TO_TICKS(8000);
 
     for(;;) {
         if (critical_error_flag) {
-            ESPLOGE("Critical error flag raised. Rebooting.");
+            ESP_LOGE("Critical error flag raised. Rebooting.");
             esp_restart();
         }
+
         esp_task_wdt_reset();
 
         vTaskDelay(keepAlivePeriod);
@@ -35,5 +46,5 @@ extern "C" void app_main(void)
 
     heap_caps_init();
 
-    xTaskCreate(watchdogTask, "wdt", 256, NULL, configMAX_PRIORITIES-1, NULL);
+    xTaskCreate(watchdogTask, "wdt", 2048, NULL, configMAX_PRIORITIES-1, NULL);
 }