docs: update changelog and header for version v1.4.2

CHANGELOG.md

@@ -1,5 +1,23 @@
 # Changelog
 
+## [1.4.2] - 2025-03-23
+### Added
+- add WiFi connection check and restart Bambu if not connected
+
+### Changed
+- update platformio.ini for version v1.4.2
+- increase stack size for BambuMqtt task
+- update Discord Link
+- update Discord Link
+- remove commented-out subscription topic in MQTT setup
+
+### Fixed
+- use unique client ID for MQTT connection to avoid conflicts
+- reload page after firmware update completion
+- increase WiFi connection timeout from 5 to 10 seconds
+- ensure valid URL format and remove trailing slash in setupWebserver
+
+
 ## [1.4.1] - 2025-03-10
 ### Added
 - added new .step, now with correct individual parts

html/upgrade.html

@@ -129,6 +129,7 @@
                             if (data.status === 'success' || lastReceivedProgress >= 98) {
                                 clearTimeout(wsReconnectTimer);
                                 setTimeout(() => {
+                                    window.location.reload(true);
                                     window.location.href = '/';
                                 }, 30000);
                             }
@@ -148,6 +149,7 @@
                         status.style.display = 'block';
                         clearTimeout(wsReconnectTimer);
                         setTimeout(() => {
+                            window.location.reload(true);
                             window.location.href = '/';
                         }, 30000);
                     } else {

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.4.1"
+version = "1.4.2"
 to_old_version = "1.4.0"
 
 ##

src/bambu.cpp

@@ -553,7 +553,8 @@ void reconnect() {
         oledShowTopRow();
 
         // Attempt to connect
-        if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode)) {
+        String clientId = String(bambu_serialnr) + "_" + String(random(0, 100));
+        if (client.connect(clientId.c_str(), bambu_username, bambu_accesscode)) {
             Serial.println("MQTT re/connected");
 
             client.subscribe(report_topic.c_str());
@@ -619,7 +620,8 @@ bool setupMqtt() {
 
         // Verbinden mit dem MQTT-Server
         bool connected = true;
-        if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode)) 
+        String clientId = String(bambu_serialnr) + "_" + String(random(0, 100));
+        if (client.connect(clientId.c_str(), bambu_username, bambu_accesscode)) 
         {
             client.setCallback(mqtt_callback);
             client.setBufferSize(5120);

src/main.cpp

@@ -92,12 +92,19 @@ void loop() {
   unsigned long currentMillis = millis();
 
   // Überprüfe regelmäßig die WLAN-Verbindung
-  if (intervalElapsed(currentMillis, lastWifiCheckTime, wifiCheckInterval)) {
+  if (intervalElapsed(currentMillis, lastWifiCheckTime, wifiCheckInterval)) 
+  {
     checkWiFiConnection();
   }
 
   // Wenn Bambu auto set Spool aktiv
-  if (autoSendToBambu && autoSetToBambuSpoolId > 0) {
+  if (autoSendToBambu && autoSetToBambuSpoolId > 0) 
+  {
+    if (!bambu_connected) 
+    {
+      bambu_restart();
+    }
+
     if (intervalElapsed(currentMillis, lastAutoSetBambuAmsTime, autoSetBambuAmsInterval)) 
     {
       if (hasReadRfidTag == 0)

src/website.cpp

@@ -286,6 +286,14 @@ void setupWebserver(AsyncWebServer &server) {
         }
 
         String url = request->getParam("url")->value();
+        if (url.indexOf("http://") == -1 && url.indexOf("https://") == -1) {
+            url = "http://" + url;
+        }
+        // Remove trailing slash if exists
+        if (url.length() > 0 && url.charAt(url.length()-1) == '/') {
+            url = url.substring(0, url.length()-1);
+        }
+        
         bool octoEnabled = (request->getParam("octoEnabled")->value() == "true") ? true : false;
         String octoUrl = request->getParam("octoUrl")->value();
         String octoToken = (request->getParam("octoToken")->value() != "") ? request->getParam("octoToken")->value() : "";
@@ -300,7 +308,7 @@ void setupWebserver(AsyncWebServer &server) {
         request->send(200, "application/json", jsonResponse);
     });
 
-    // Route für das Überprüfen der Spoolman-Instanz
+    // Route für das Überprüfen der Bambu-Instanz
     server.on("/api/bambu", HTTP_GET, [](AsyncWebServerRequest *request){
         if (!request->hasParam("bambu_ip") || !request->hasParam("bambu_serialnr") || !request->hasParam("bambu_accesscode")) {
             request->send(400, "application/json", "{\"success\": false, \"error\": \"Missing parameter\"}");

src/wlan.cpp

@@ -59,7 +59,7 @@ void initWiFi() {
   if(wm_nonblocking) wm.setConfigPortalBlocking(false);
   //wm.setConfigPortalTimeout(320); // Portal nach 5min schließen
   wm.setWiFiAutoReconnect(true);
-  wm.setConnectTimeout(5);
+  wm.setConnectTimeout(10);
 
   oledShowTopRow();
   oledShowMessage("WiFi Setup");