Add reset reason in AboutHelper.cpp

README.md

@@ -7,7 +7,6 @@
 - SSDP (Service discovery) support in main.cpp
 - LED callback in WiFiManager loop in main.cpp
 - Implement other TODO's in main.cpp
-- Reset reason in AboutHelper.cpp
 
 # esp8266_milight_hub [![Build Status](https://travis-ci.org/sidoh/esp8266_milight_hub.svg?branch=master)](https://travis-ci.org/sidoh/esp8266_milight_hub) [![License][shield-license]][info-license]
 

lib/Settings/AboutHelper.cpp

@@ -19,23 +19,47 @@ String AboutHelper::generateAboutString(bool abbreviated) {
   return body;
 }
 
+char *getResetReason(void)
+{
+    esp_reset_reason_t reset_reason = esp_reset_reason();
+
+    static char str[55];
+
+    switch (reset_reason)
+    {
+      case ESP_RST_UNKNOWN:    strcpy (str, "Reset reason can not be determined"); break;
+      case ESP_RST_POWERON:    strcpy (str, "Reset due to power-on event"); break;
+      case ESP_RST_EXT:        strcpy (str, "Reset by external pin (not applicable for ESP32)"); break;
+      case ESP_RST_SW:         strcpy (str, "Software reset via esp_restart"); break;
+      case ESP_RST_PANIC:      strcpy (str, "Software reset due to exception/panic"); break;
+      case ESP_RST_INT_WDT:    strcpy (str, "Reset (software or hardware) due to interrupt watchdog"); break;
+      case ESP_RST_TASK_WDT:   strcpy (str, "Reset due to task watchdog"); break;
+      case ESP_RST_WDT:        strcpy (str, "Reset due to other watchdogs"); break;
+      case ESP_RST_DEEPSLEEP:  strcpy (str, "Reset after exiting deep sleep mode"); break;
+      case ESP_RST_BROWNOUT:   strcpy (str, "Brownout reset (software or hardware)"); break;
+      case ESP_RST_SDIO:       strcpy (str, "Reset over SDIO"); break;
+    }
+
+    return str;
+}
+
 void AboutHelper::generateAboutObject(JsonDocument& obj, bool abbreviated) {
   obj["firmware"] = QUOTE(FIRMWARE_NAME);
   obj["version"] = QUOTE(MILIGHT_HUB_VERSION);
   obj["ip_address"] = WiFi.localIP().toString();
-#ifdef ESP8266
-  obj["reset_reason"] = ESP.getResetReason();
-#elif ESP32
-  // TODO get reset reason
-#endif
+  #ifdef ESP8266
+    obj["reset_reason"] = ESP.getResetReason();
+  #elif ESP32
+    obj["reset_reason"] = getResetReason();
+  #endif
 
   if (! abbreviated) {
     obj["variant"] = QUOTE(FIRMWARE_VARIANT);
     obj["free_heap"] = ESP.getFreeHeap();
-#ifdef ESP8266
-    obj["arduino_version"] = ESP.getCoreVersion();
-#elif ESP32
-    obj["arduino_version"] = ESP.getSdkVersion();
-#endif
+    #ifdef ESP8266
+      obj["arduino_version"] = ESP.getCoreVersion();
+    #elif ESP32
+      obj["arduino_version"] = ESP.getSdkVersion();
+    #endif
   }
 }