docs: update changelog and header for version v1.4.8

Fix memory leak issue in HTTPClient

CHANGELOG.md

@@ -1,5 +1,89 @@
 # Changelog
 
+## [1.4.8] - 2025-03-29
+### Changed
+- update platformio.ini for version v1.4.8
+- Merge pull request #30 from janecker/main
+- Merge branch 'testing' into main
+
+### Fixed
+- improve HTTP client configuration and clear update documents after API calls
+- Fixes memory leak in HTTPClient by disabling connection reuse
+- update reload logic after removing and saving Bambu credentials for better cache handling
+
+
+## [1.4.7] - 2025-03-27
+### Added
+- add forced cache refresh after removing and saving Bambu credentials
+- add functionality to remove Bambu credentials and update API handling
+- add rfid_bambu.html and update bambu connection handling
+
+### Changed
+- update platformio.ini for version v1.4.7
+- Merge branch 'testing'
+- update remove button for Bambu credentials with red background
+- Merge pull request #28 from tugsi/main
+
+### Fixed
+- handle Bambu connection state by introducing bambuDisabled flag
+- Fix rfid.js-Failure with X1-Series, if you wanna send a Spool to AMS:  - Uncaught TypeError: Cannot read properties of undefined (reading 'replace')     at handleSpoolIn (rfid.js:493:67)     at HTMLButtonElement.onclick ((Index):1:1) handleSpoolIn	@	rfid.js:493 onclick	@	(Index):1
+
+
+## [1.4.6] - 2025-03-26
+### Changed
+- update platformio.ini for version v1.4.6
+
+### Fixed
+- handle potential undefined value for tray_info_idx in handleSpoolIn function, by @tugsi
+
+
+## [1.4.5] - 2025-03-25
+### Changed
+- update platformio.ini for version v1.4.5
+- Merge branch 'testing'
+- remove unused request_topic subscription and reduce MQTT task stack size
+- Merge pull request #26 from tugsi/main
+- rename report_topic to topic and update MQTT subscription logic, switched publish topic to request
+
+### Fixed
+- increase MQTT buffer size and adjust task stack size
+- Fix BufferSize for larger JSONs from X-Series
+
+
+## [1.4.4] - 2025-03-23
+### Added
+- add error handling for missing vendor IDs in filament data
+
+### Changed
+- update platformio.ini for version v1.4.4
+
+### Fixed
+- adjust weight threshold for tare check to allow negative values
+
+
+## [1.4.3] - 2025-03-23
+### Changed
+- update platformio.ini for version v1.4.3
+
+
+## [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

README.de.md

@@ -9,7 +9,7 @@ Das System integriert sich nahtlos mit der [Spoolman](https://github.com/Donkie/
 Weitere Bilder finden Sie im [img Ordner](/img/)
 oder auf meiner Website: [FilaMan Website](https://www.filaman.app)  
 Deutsches Erklärvideo: [Youtube](https://youtu.be/uNDe2wh9SS8?si=b-jYx4I1w62zaOHU)  
-Discord Server: [https://discord.gg/vMAx2gf5](https://discord.gg/vMAx2gf5)
+Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 
 ### Es gibt jetzt auch ein Wiki, dort sind nochmal alle Funktionen beschrieben: [Wiki](https://github.com/ManuelW77/Filaman/wiki)
 

README.md

@@ -13,7 +13,7 @@ The system integrates seamlessly with [Bambulab](https://bambulab.com/en-us) 3D
 More Images can be found in the [img Folder](/img/)  
 or my website: [FilaMan Website](https://www.filaman.app)  
 german explanatory video: [Youtube](https://youtu.be/uNDe2wh9SS8?si=b-jYx4I1w62zaOHU)  
-Discord Server: [https://discord.gg/vMAx2gf5](https://discord.gg/vMAx2gf5)
+Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 
 ### Now more detailed informations about the usage: [Wiki](https://github.com/ManuelW77/Filaman/wiki)
 

html/rfid.html

@@ -141,15 +141,6 @@
             </div>
         </div>
 
-        <!-- Rechte Spalte -->
-        <div class="column">
-            <div class="feature-box">
-                <h2>Bambu AMS</h2>
-                <div id="amsDataContainer">
-                    <div class="amsData" id="amsData">Wait for AMS-Data...</div>
-                </div>
-            </div>
-        </div>
     </div>
 </div>
 

html/rfid.js

@@ -208,7 +208,7 @@ document.addEventListener('spoolmanError', function(event) {
     showNotification(`Spoolman Error: ${event.detail.message}`, false);
 });
 
-document.addEventListener('filamentSelected', function(event) {
+document.addEventListener('filamentSelected', function (event) {
     updateNfcInfo();
     // Zeige Spool-Buttons wenn ein Filament ausgewählt wurde
     const selectedText = document.getElementById("selected-filament").textContent;
@@ -490,7 +490,7 @@ function handleSpoolIn(amsId, trayId) {
             nozzle_temp_max: parseInt(maxTemp),
             type: selectedSpool.filament.material,
             brand: selectedSpool.filament.vendor.name,
-            tray_info_idx: selectedSpool.filament.extra.bambu_idx.replace(/['"]+/g, '').trim(),
+            tray_info_idx: selectedSpool.filament.extra.bambu_idx?.replace(/['"]+/g, '').trim() || '',
             cali_idx: "-1"  // Default-Wert setzen
         }
     };

html/rfid_bambu.html

@@ -0,0 +1,160 @@
+<!-- head --><!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>FilaMan - Filament Management Tool</title>
+    <link rel="icon" type="image/png" href="/favicon.ico">
+    <link rel="stylesheet" href="style.css">
+    <script>
+        fetch('/api/version')
+            .then(response => response.json())
+            .then(data => {
+                const versionSpan = document.querySelector('.version');
+                if (versionSpan) {
+                    versionSpan.textContent = 'v' + data.version;
+                }
+            })
+            .catch(error => console.error('Error fetching version:', error));
+    </script>
+</head>
+<body>
+    <div class="navbar">
+        <div style="display: flex; align-items: center; gap: 2rem;">
+            <img src="/logo.png" alt="FilaMan Logo" class="logo">
+            <div class="logo-text">
+                <h1>FilaMan<span class="version"></span></h1>
+                <h4>Filament Management Tool</h4>
+            </div>
+        </div>
+        <nav style="display: flex; gap: 1rem;">
+            <a href="/">Start</a>
+            <a href="/waage">Scale</a>
+            <a href="/spoolman">Spoolman/Bambu</a>
+            <a href="/about">About</a>
+            <a href="/upgrade">Upgrade</a>
+        </nav>
+        <div class="status-container">
+            <div class="status-item">
+                <span class="status-dot" id="bambuDot"></span>B
+            </div>
+            <div class="status-item">
+                <span class="status-dot" id="spoolmanDot"></span>S
+            </div>
+            <div class="ram-status" id="ramStatus"></div>
+        </div>
+    </div>
+
+<!-- head -->
+
+<div class="connection-status hidden">
+    <div class="spinner"></div>
+    <span>Connection lost. Trying to reconnect...</span>
+</div>
+<div class="content">
+    <div class="three-column-layout">
+        <!-- Linke Spalte -->
+        <div class="column">
+            <div class="feature-box">
+                <div class="statistics-header">
+                    <h2>Statistics</h2>
+                    <button id="refreshSpoolman" class="refresh-button">
+                        <span>Refresh Spoolman</span>
+                    </button>
+                </div>
+                <div class="statistics-column">
+                    <h3>Spools</h3>
+                        <div class="spool-stat" style="display: flex; justify-content: center; align-items: center;">
+                            <span class="stat-label">total:</span>
+                            <span class="stat-value" id="totalSpools"></span>
+                            <div style="width: auto;"></div>
+                            <span class="stat-label">without Tag:</span>
+                            <span class="stat-value" id="spoolsWithoutTag"></span>
+                        </div>
+                </div>
+
+                <div class="statistics-grid">
+                    <div class="statistics-column">
+                        <h3>Overview</h3>
+                        <ul class="statistics-list">
+                            <li>
+                                <span class="stat-label">Manufacturer:</span>
+                                <span class="stat-value" id="totalVendors"></span>
+                            </li>
+                            <li>
+                                <span class="stat-label">Weight:</span>
+                                <span class="stat-value"><span id="totalWeight"></span></span>
+                            </li>
+                            <li>
+                                <span class="stat-label">Length:</span>
+                                <span class="stat-value"><span id="totalLength"></span></span>
+                            </li>
+                        </ul>
+                    </div>
+                    <div class="statistics-column">
+                        <h3>Materials</h3>
+                        <ul class="statistics-list" id="materialsList">
+                            <!-- Wird dynamisch befüllt -->
+                        </ul>
+                    </div>
+                </div>
+            </div>
+            <div class="feature-box">
+                <div class="nfc-header">
+                    <h2>NFC-Tag</h2>
+                    <span id="nfcStatusIndicator" class="status-circle"></span>
+                </div>
+                <div class="nfc-status-display"></div>
+            </div>
+        </div>
+
+        <!-- Mittlere Spalte -->
+        <div class="column">
+            <div class="feature-box">
+                <h2>Spoolman Spools</h2>
+                <label for="vendorSelect">Manufacturer:</label>
+                <div style="display: flex; justify-content: space-between; align-items: center;">
+                    <select id="vendorSelect" class="styled-select">
+                        <option value="">Please choose...</option>
+                    </select>
+                    <label style="margin-left: 10px;">
+                        <input type="checkbox" id="onlyWithoutSmId" checked onchange="updateFilamentDropdown()">
+                        Only Spools without SM ID
+                    </label>
+                </div>
+            </div>
+
+            <div id="filamentSection" class="feature-box hidden">
+                <label>Spool / Filament:</label>
+                <div class="custom-dropdown">
+                    <div class="dropdown-button" onclick="toggleFilamentDropdown()">
+                        <div class="selected-color" id="selected-color"></div>
+                        <span id="selected-filament">Please choose...</span>
+                        <span class="dropdown-arrow">▼</span>
+                    </div>
+                    <div class="dropdown-content" id="filament-dropdown-content">
+                        <!-- Optionen werden dynamisch hinzugefügt -->
+                    </div>
+                </div>
+                <p id="nfcInfo" class="nfc-status"></p>
+                <button id="writeNfcButton" class="btn btn-primary hidden" onclick="writeNfcTag()">Write Tag</button>
+            </div>
+        </div>
+
+        <!-- Rechte Spalte -->
+        <div class="column">
+            <div class="feature-box">
+                <h2>Bambu AMS</h2>
+                <div id="amsDataContainer">
+                    <div class="amsData" id="amsData">Wait for AMS-Data...</div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script src="spoolman.js"></script>
+<script src="rfid.js"></script>
+
+</body>
+</html>

html/spoolman.html

@@ -57,6 +57,31 @@
             toggleOctoFields();
         };
 
+        function removeBambuCredentials() {
+            fetch('/api/bambu?remove=true')
+                .then(response => response.json())
+                .then(data => {
+                    if (data.success) {
+                        document.getElementById('bambuIp').value = '';
+                        document.getElementById('bambuSerial').value = '';
+                        document.getElementById('bambuCode').value = '';
+                        document.getElementById('autoSend').checked = false;
+                        document.getElementById('autoSendTime').value = '';
+                        document.getElementById('bambuStatusMessage').innerText = 'Bambu Credentials removed!';
+                        // Reload with forced cache refresh after short delay
+                        setTimeout(() => {
+                            window.location.reload(true);
+                            window.location.href = '/';
+                        }, 1500);
+                    } else {
+                        document.getElementById('bambuStatusMessage').innerText = 'Error while removing Bambu Credentials.';
+                    }
+                })
+                .catch(error => {
+                    document.getElementById('bambuStatusMessage').innerText = 'Error while removing: ' + error.message;
+                });
+        }
+
         function checkSpoolmanInstance() {
             const url = document.getElementById('spoolmanUrl').value;
             const spoolmanOctoEnabled = document.getElementById('spoolmanOctoEnabled').checked;
@@ -89,6 +114,11 @@
                 .then(data => {
                     if (data.healthy) {
                         document.getElementById('bambuStatusMessage').innerText = 'Bambu Credentials saved!';
+                        // Reload with forced cache refresh after short delay
+                        setTimeout(() => {
+                            window.location.reload(true);
+                            window.location.href = '/';
+                        }, 1500);
                     } else {
                         document.getElementById('bambuStatusMessage').innerText = 'Error while saving Bambu Credentials.';
                     }
@@ -162,6 +192,7 @@
                     </div>
 
                     <button style="margin: 0;" onclick="saveBambuCredentials()">Save Bambu Credentials</button>
+                    <button style="margin: 0; background-color: red;" onclick="removeBambuCredentials()">Remove Credentials</button>
                     <p id="bambuStatusMessage"></p>
                 </div>
             </div>

html/spoolman.js

@@ -147,6 +147,13 @@ function updateFilamentDropdown(selectedSmId = null) {
 
     if (vendorId) {
         const filteredFilaments = spoolsData.filter(spool => {
+            if (!spool?.filament?.vendor?.id) {
+                console.log('Problem aufgetreten bei: ', spool?.filament?.vendor);
+                console.log('Problematische Spulen:', 
+                    spoolsData.filter(spool => !spool?.filament?.vendor?.id));
+                return false;
+            }
+
             const hasValidNfcId = spool.extra && 
                                  spool.extra.nfc_id && 
                                  spool.extra.nfc_id !== '""' && 
@@ -240,18 +247,6 @@ async function fetchSpoolData() {
     }
 }
 
-/*
-// Exportiere Funktionen
-window.getSpoolData = () => spoolsData;
-window.reloadSpoolData = initSpoolman;
-window.populateVendorDropdown = populateVendorDropdown;
-window.updateFilamentDropdown = updateFilamentDropdown;
-window.toggleFilamentDropdown = () => {
-    const content = document.getElementById("filament-dropdown-content");
-    content.classList.toggle("show");
-};
-*/
-
 // Event Listener
 document.addEventListener('DOMContentLoaded', () => {
     initSpoolman();

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 = "1.4.8"
 to_old_version = "1.4.0"
 
 ##

src/api.cpp

@@ -94,6 +94,8 @@ void sendToApi(void *parameter) {
     String octoToken = params->octoToken;    
 
     HTTPClient http;
+    http.setReuse(false);
+
     http.begin(spoolsUrl);
     http.addHeader("Content-Type", "application/json");
     if (octoEnabled && octoToken != "") http.addHeader("X-Api-Key", octoToken);
@@ -111,6 +113,7 @@ void sendToApi(void *parameter) {
     }
 
     http.end();
+    vTaskDelay(50 / portTICK_PERIOD_MS);
 
     // Speicher freigeben
     delete params;
@@ -165,6 +168,8 @@ bool updateSpoolTagId(String uidString, const char* payload) {
         NULL                      // Task-Handle (nicht benötigt)
     );
 
+    updateDoc.clear();
+
     return true;
 }
 
@@ -201,6 +206,8 @@ uint8_t updateSpoolWeight(String spoolId, uint16_t weight) {
         NULL                      // Task-Handle (nicht benötigt)
     );
 
+    updateDoc.clear();
+
     return 1;
 }
 
@@ -238,6 +245,8 @@ bool updateSpoolOcto(int spoolId) {
         NULL                      // Task-Handle (nicht benötigt)
     );
 
+    updateDoc.clear();
+
     return true;
 }
 

src/bambu.cpp

@@ -17,7 +17,7 @@ PubSubClient client(sslClient);
 
 TaskHandle_t BambuMqttTask;
 
-String report_topic = "";
+String topic = "";
 //String request_topic = "";
 const char* bambu_username = "bblp";
 const char* bambu_ip = nullptr;
@@ -27,6 +27,7 @@ const char* bambu_serialnr = nullptr;
 String g_bambu_ip = "";
 String g_bambu_accesscode = "";
 String g_bambu_serialnr = "";
+bool bambuDisabled = false;
 
 bool bambu_connected = false;
 bool autoSendToBambu = false;
@@ -37,6 +38,32 @@ int ams_count = 0;
 String amsJsonData;  // Speichert das fertige JSON für WebSocket-Clients
 AMSData ams_data[MAX_AMS];  // Definition des Arrays;
 
+bool removeBambuCredentials() {
+    if (BambuMqttTask) {
+        vTaskDelete(BambuMqttTask);
+    }
+    
+    if (!removeJsonValue("/bambu_credentials.json")) {
+        Serial.println("Fehler beim Löschen der Bambu-Credentials.");
+        return false;
+    }
+    // Löschen der globalen Variablen
+    g_bambu_ip = "";
+    g_bambu_accesscode = "";
+    g_bambu_serialnr = "";
+    bambu_ip = nullptr;
+    bambu_accesscode = nullptr;
+    bambu_serialnr = nullptr;
+    autoSendToBambu = false;
+    autoSetToBambuSpoolId = 0;
+    ams_count = 0;
+    amsJsonData = "";
+
+    bambuDisabled = true;
+
+    return true;
+}
+
 bool saveBambuCredentials(const String& ip, const String& serialnr, const String& accesscode, bool autoSend, const String& autoSendTime) {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
@@ -91,7 +118,7 @@ bool loadBambuCredentials() {
         bambu_accesscode = g_bambu_accesscode.c_str();
         bambu_serialnr = g_bambu_serialnr.c_str();
 
-        report_topic = "device/" + String(bambu_serialnr) + "/report";
+        topic = "device/" + String(bambu_serialnr);
         //request_topic = "device/" + String(bambu_serialnr) + "/request";
         return true;
     }
@@ -199,7 +226,7 @@ FilamentResult findFilamentIdx(String brand, String type) {
 bool sendMqttMessage(const String& payload) {
     Serial.println("Sending MQTT message");
     Serial.println(payload);
-    if (client.publish(report_topic.c_str(), payload.c_str())) 
+    if (client.publish((String(topic) + "/request").c_str(), payload.c_str())) 
     {
         return true;
     }
@@ -553,10 +580,11 @@ 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());
+            client.subscribe((String(topic) + "/report").c_str());
             bambu_connected = true;
             oledShowTopRow();
         } else {
@@ -605,27 +633,25 @@ bool setupMqtt() {
     bool success = loadBambuCredentials();
 
     if (!success) {
-        Serial.println("Failed to load Bambu credentials");
-        oledShowMessage("Bambu Credentials Missing");
-        vTaskDelay(2000 / portTICK_PERIOD_MS);
+        bambuDisabled = true;
         return false;
     }
 
     if (success && bambu_ip != "" && bambu_accesscode != "" && bambu_serialnr != "") 
     {
+        bambuDisabled = false;
         sslClient.setCACert(root_ca);
         sslClient.setInsecure();
         client.setServer(bambu_ip, 8883);
 
         // 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);
-            // Optional: Topic abonnieren
-            client.subscribe(report_topic.c_str());
-            //client.subscribe(request_topic.c_str());
+            client.setBufferSize(15488);
+            client.subscribe((String(topic) + "/report").c_str());
             Serial.println("MQTT-Client initialisiert");
 
             oledShowMessage("Bambu Connected");
@@ -654,10 +680,7 @@ bool setupMqtt() {
     } 
     else 
     {
-        Serial.println("Fehler: Keine MQTT-Daten vorhanden");
-        oledShowMessage("Bambu Credentials Missing");
-        oledShowTopRow();
-        vTaskDelay(2000 / portTICK_PERIOD_MS);
+        bambuDisabled = true;
         return false;
     }
     return true;

src/bambu.h

@@ -30,7 +30,9 @@ extern int ams_count;
 extern AMSData ams_data[MAX_AMS];
 extern bool autoSendToBambu;
 extern int autoSetToBambuSpoolId;
+extern bool bambuDisabled;
 
+bool removeBambuCredentials();
 bool loadBambuCredentials();
 bool saveBambuCredentials(const String& bambu_ip, const String& bambu_serialnr, const String& bambu_accesscode, const bool autoSend, const String& autoSendTime);
 bool setupMqtt();

src/commonFS.cpp

@@ -1,6 +1,20 @@
 #include "commonFS.h"
 #include <LittleFS.h>
 
+bool removeJsonValue(const char* filename) {
+    File file = LittleFS.open(filename, "r");
+    if (!file) {
+        return true;
+    }
+    file.close();
+    if (!LittleFS.remove(filename)) {
+        Serial.print("Fehler beim Löschen der Datei: ");
+        Serial.println(filename);
+        return false;
+    }
+    return true;
+}
+
 bool saveJsonValue(const char* filename, const JsonDocument& doc) {
     File file = LittleFS.open(filename, "w");
     if (!file) {

src/commonFS.h

@@ -5,6 +5,7 @@
 #include <ArduinoJson.h>
 #include <LittleFS.h>
 
+bool removeJsonValue(const char* filename);
 bool saveJsonValue(const char* filename, const JsonDocument& doc);
 bool loadJsonValue(const char* filename, JsonDocument& doc);
 void initializeFileSystem();

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 (!bambuDisabled && !bambu_connected) 
+    {
+      bambu_restart();
+    }
+
     if (intervalElapsed(currentMillis, lastAutoSetBambuAmsTime, autoSetBambuAmsInterval)) 
     {
       if (hasReadRfidTag == 0)
@@ -152,7 +159,7 @@ void loop() {
     lastWeightReadTime = currentMillis;
 
     // Prüfen ob die Waage korrekt genullt ist
-    if ((weight > 0 && weight < 5) || weight < 0)
+    if ((weight > 0 && weight < 5) || weight < -1)
     {
       if(scaleTareCounter < 5)
       {

src/website.cpp

@@ -29,7 +29,7 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
     if (type == WS_EVT_CONNECT) {
         Serial.println("Neuer Client verbunden!");
         // Sende die AMS-Daten an den neuen Client
-        sendAmsData(client);
+        if (!bambuDisabled) sendAmsData(client);
         sendNfcData(client);
         foundNfcTag(client, 0);
         sendWriteResult(client, 3);
@@ -213,7 +213,10 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für RFID
     server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /rfid erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/rfid.html.gz", "text/html");
+        
+        String page = (bambuDisabled) ? "/rfid.html.gz" : "/rfid_bambu.html.gz";
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, page, "text/html");
+        
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -286,6 +289,14 @@ 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() : "";
@@ -300,8 +311,17 @@ 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("remove")) {
+            if (removeBambuCredentials()) {
+                request->send(200, "application/json", "{\"success\": true}");
+            } else {
+                request->send(500, "application/json", "{\"success\": false, \"error\": \"Fehler beim Löschen der Bambu-Credentials\"}");
+            }
+            return;
+        }
+
         if (!request->hasParam("bambu_ip") || !request->hasParam("bambu_serialnr") || !request->hasParam("bambu_accesscode")) {
             request->send(400, "application/json", "{\"success\": false, \"error\": \"Missing parameter\"}");
             return;

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");