added Animation to Connection-overlay

Software/data_src/index.htm

@@ -24,7 +24,7 @@
   <div id="overlay">
     <div class="overlay-content">
       <p>Verbinde...</p>
-      <!-- Hier können Sie eine einfache Animation hinzufügen -->
+      <span class="loader"></span>
     </div>
   </div>
   <!-- Connection-Overlay -->

Software/data_src/static/css/tweaks.css

@@ -41,4 +41,38 @@ hr {
 
 .overlay-content {
     text-align: center;
+    font-size: 4rem;
+}
+
+.loader {
+    width: 96px;
+    height: 96px;
+    border: 12px solid #FFF;
+    border-radius: 50%;
+    display: inline-block;
+    position: relative;
+    box-sizing: border-box;
+    animation: rotation 1s linear infinite;
+  } 
+  .loader::after {
+    content: '';  
+    box-sizing: border-box;
+    position: absolute;
+    left: 50%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+    width: 120px;
+    height: 120px;
+    border-radius: 50%;
+    border: 12px solid transparent;
+    border-bottom-color: #FF3D00;
+  }
+  
+  @keyframes rotation {
+    0% {
+      transform: rotate(0deg);
+    }
+    100% {
+      transform: rotate(360deg);
+    }
   } 

Software/src/can.cpp

@@ -182,7 +182,7 @@ void sendCANDebugMessage()
     }
     else if (DebugSendFailTimeout == MAX_DEBUG_RETRIES)
     {
-        Debug_pushMessage("disable CAN-DbgMsg due to timeout");
+        Debug_pushMessage("disable CAN-DbgMsg due to timeout\n");
         DebugSendFailTimeout++;
     }
 }

Software/src/main.cpp

@@ -332,7 +332,7 @@ void wifiMaintainConnectionTicker_callback()
     else
     {
       // Trigger AP mode if the maximum failures are reached
-      Debug_pushMessage("WiFi not connected! - Start AP");
+      Debug_pushMessage("WiFi not connected! - Start AP\n");
       toggleWiFiAP();
     }
   }

Software/src/webui.cpp

@@ -198,7 +198,7 @@ void WebserverFirmwareUpdate_Callback(AsyncWebServerRequest *request, const Stri
 
   if (!index)
   {
-    Debug_pushMessage("Update");
+    Debug_pushMessage("Update\n");
     size_t content_len = request->contentLength();
     int cmd = (filename.indexOf(".fs") > -1) ? U_FS : U_FLASH;
     Update.runAsync(true);
@@ -266,7 +266,7 @@ void WebserverEERestore_Callback(AsyncWebServerRequest *request, const String &f
       buffer = (char *)malloc(1536);
       read_ptr = 0;
       if (buffer == NULL)
-        Debug_pushMessage("malloc() failed for EEPROM-Restore");
+        Debug_pushMessage("malloc() failed for EEPROM-Restore\n");
     }
   }
 
@@ -328,7 +328,7 @@ void WebserverEERestore_Callback(AsyncWebServerRequest *request, const String &f
 
     if (ee_done)
     {
-      Debug_pushMessage("Update complete");
+      Debug_pushMessage("Update complete\n");
       globals.systemStatus = sysStat_Shutdown;
     }
   }