remove unused version and protocol fields from JSON output; add error message for insufficient memory

Improves NFC Tag handling

.github/workflows/gitea-release.yml

@@ -41,16 +41,16 @@ jobs:
       run: |
         VERSION=$(grep '^version = ' platformio.ini | cut -d'"' -f2)
         
-        # Build firmware and SPIFFS
+        # Build firmware and LittleFS
-        echo "Building firmware and SPIFFS..."
+        echo "Building firmware and LittleFS..."
         pio run -e esp32dev
         pio run -t buildfs
         
         # Copy firmware binary
         cp .pio/build/esp32dev/firmware.bin .pio/build/esp32dev/upgrade_filaman_firmware_v${VERSION}.bin
         
-        # Create SPIFFS binary - direct copy without header
+        # Create LittleFS binary - direct copy without header
-        cp .pio/build/esp32dev/spiffs.bin .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
+        cp .pio/build/esp32dev/littlefs.bin .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
         
         # Create full binary
         (cd .pio/build/esp32dev && 
@@ -63,7 +63,7 @@ jobs:
           0x1000 bootloader.bin \
           0x8000 partitions.bin \
           0x10000 firmware.bin \
-          0x3D0000 spiffs.bin)
+          0x3D0000 littlefs.bin)
         
         # Verify file sizes
         echo "File sizes:"

.github/workflows/github-release.yml

@@ -39,16 +39,16 @@ jobs:
       run: |
         VERSION=$(grep '^version = ' platformio.ini | cut -d'"' -f2)
         
-        # Always build firmware and SPIFFS
+        # Always build firmware and LittleFS
-        echo "Building firmware and SPIFFS..."
+        echo "Building firmware and LittleFS..."
         pio run -e esp32dev
         pio run -t buildfs
         
         # Copy firmware binary
         cp .pio/build/esp32dev/firmware.bin .pio/build/esp32dev/upgrade_filaman_firmware_v${VERSION}.bin
         
-        # Create SPIFFS binary - direct copy without header
+        # Create LittleFS binary - direct copy without header
-        cp .pio/build/esp32dev/spiffs.bin .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
+        cp .pio/build/esp32dev/littlefs.bin .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
         
         # Create full binary (always)
         (cd .pio/build/esp32dev && 
@@ -61,7 +61,7 @@ jobs:
           0x1000 bootloader.bin \
           0x8000 partitions.bin \
           0x10000 firmware.bin \
-          0x3D0000 spiffs.bin)
+          0x3D0000 littlefs.bin)
         
         # Verify file sizes
         echo "File sizes:"
@@ -131,7 +131,7 @@ jobs:
           FILES_TO_UPLOAD="$FILES_TO_UPLOAD upgrade_filaman_firmware_v${VERSION}.bin"
         fi
         
-        # Add SPIFFS and full binary only if they exist
+        # Add LittleFS and full binary only if they exist
         if [ -f "upgrade_filaman_website_v${VERSION}.bin" ]; then
           FILES_TO_UPLOAD="$FILES_TO_UPLOAD upgrade_filaman_website_v${VERSION}.bin"
         fi

.vscode/settings.json

@@ -1,54 +0,0 @@
-{
-    "files.associations": {
-        "algorithm": "cpp",
-        "vector": "cpp",
-        "cmath": "cpp",
-        "array": "cpp",
-        "atomic": "cpp",
-        "*.tcc": "cpp",
-        "bitset": "cpp",
-        "cctype": "cpp",
-        "clocale": "cpp",
-        "cstdarg": "cpp",
-        "cstddef": "cpp",
-        "cstdint": "cpp",
-        "cstdio": "cpp",
-        "cstdlib": "cpp",
-        "cstring": "cpp",
-        "ctime": "cpp",
-        "cwchar": "cpp",
-        "cwctype": "cpp",
-        "deque": "cpp",
-        "unordered_map": "cpp",
-        "unordered_set": "cpp",
-        "exception": "cpp",
-        "functional": "cpp",
-        "iterator": "cpp",
-        "map": "cpp",
-        "memory": "cpp",
-        "memory_resource": "cpp",
-        "numeric": "cpp",
-        "optional": "cpp",
-        "random": "cpp",
-        "regex": "cpp",
-        "string": "cpp",
-        "string_view": "cpp",
-        "system_error": "cpp",
-        "tuple": "cpp",
-        "type_traits": "cpp",
-        "utility": "cpp",
-        "fstream": "cpp",
-        "initializer_list": "cpp",
-        "iomanip": "cpp",
-        "iosfwd": "cpp",
-        "istream": "cpp",
-        "limits": "cpp",
-        "new": "cpp",
-        "ostream": "cpp",
-        "sstream": "cpp",
-        "stdexcept": "cpp",
-        "streambuf": "cpp",
-        "cinttypes": "cpp",
-        "typeinfo": "cpp"
-    }
-}

CHANGELOG.md

@@ -1,5 +1,40 @@
 # Changelog
 
+## [1.3.99] - 2025-02-28
+### Changed
+- update platformio.ini for version v1.3.99
+- update workflows to build firmware with LittleFS instead of SPIFFS
+
+
+## [1.3.98] - 2025-02-28
+### Changed
+- update platformio.ini for version v1.3.98
+- migrate from SPIFFS to LittleFS for file handling
+- remove unused VSCode settings file
+- remove commented-out spoolman and filaman data from api.cpp
+
+
+## [1.3.97] - 2025-02-28
+### Added
+- füge Bestätigungsmeldung für Spool-Einstellung hinzu
+- verbessere WLAN-Konfiguration und füge mDNS-Unterstützung hinzu
+- aktualisiere OLED-Anzeige mit Versionsnummer und verbessere Textausrichtung
+- füge regelmäßige WLAN-Verbindungsüberprüfung hinzu
+- aktualisiere Schaltplan-Bild
+- zeige Versionsnummer im OLED-Display an
+
+### Changed
+- update platformio.ini for version v1.3.97
+- entferne text-shadow von deaktivierten Schaltflächen
+- füge Link zum Wiki für detaillierte Informationen über die Nutzung hinzu
+
+### Fixed
+- Speichernutzung optimiert
+- behebe doppelte http.end() Aufrufe in checkSpoolmanExtraFields
+- optimiere Verzögerungen und Stackgrößen in NFC-Task-Funktionen
+- entferne ungenutzte Bibliotheken und Debug-Ausgaben aus main.cpp
+
+
 ## [1.3.96] - 2025-02-25
 ### Added
 - füge Unterstützung für Spoolman-Einstellungen hinzu und aktualisiere die Benutzeroberfläche

README.de.md

@@ -10,6 +10,8 @@ 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)
 
+### Es gibt jetzt auch ein Wiki, dort sind nochmal alle Funktionen beschrieben: [Wiki](https://github.com/ManuelW77/Filaman/wiki)
+
 ### ESP32 Hardware-Funktionen
 - **Gewichtsmessung:** Verwendung einer Wägezelle mit HX711-Verstärker für präzise Gewichtsverfolgung.
 - **NFC-Tag Lesen/Schreiben:** PN532-Modul zum Lesen und Schreiben von Filamentdaten auf NFC-Tags.

README.md

@@ -13,6 +13,8 @@ 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)
 
+### Now more detailed informations about the usage: [Wiki](https://github.com/ManuelW77/Filaman/wiki)
+
 ### ESP32 Hardware Features
 - **Weight Measurement:** Using a load cell with HX711 amplifier for precise weight tracking.
 - **NFC Tag Reading/Writing:** PN532 module for reading and writing filament data to NFC tags.

html/rfid.js

@@ -640,8 +640,6 @@ function writeNfcTag() {
 
     // Erstelle das NFC-Datenpaket mit korrekten Datentypen
     const nfcData = {
-        version: "2.0",
-        protocol: "openspool",
         color_hex: selectedSpool.filament.color_hex || "FFFFFF",
         type: selectedSpool.filament.material,
         min_temp: minTemp,

html/spoolman.js

@@ -97,8 +97,10 @@ function populateVendorDropdown(data, selectedSmId = null) {
         ? (weightInKg / 1000).toFixed(2) + " t" 
         : weightInKg.toFixed(2) + " kg";
 
-    // Dropdown mit gefilterten Herstellern befüllen
+    // Dropdown mit gefilterten Herstellern befüllen - alphabetisch sortiert
-    Object.entries(filteredVendors).forEach(([id, name]) => {
+    Object.entries(filteredVendors)
+        .sort(([, nameA], [, nameB]) => nameA.localeCompare(nameB)) // Sort vendors alphabetically by name
+        .forEach(([id, name]) => {
             const option = document.createElement("option");
             option.value = id;
             option.textContent = name;

html/style.css

@@ -1015,7 +1015,7 @@ input[type="submit"]:disabled,
     color: #000;
     vertical-align: middle;
     margin-left: 0.5rem;
-    text-shadow: 0 !important;
+    text-shadow: none !important;
 }
 
 .progress-container {

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.3.96"
+version = "1.3.99"
 ##
 [env:esp32dev]
 platform = espressif32
@@ -33,7 +33,8 @@ lib_deps =
     digitaldragon/SSLClient @ ^1.3.2
     
 ; Enable SPIFFS upload
-board_build.filesystem = spiffs
+#board_build.filesystem = spiffs
+board_build.filesystem = littlefs
 ; Update partition settings
 board_build.partitions = partitions.csv
 board_upload.flash_size = 4MB
@@ -44,13 +45,13 @@ build_flags =
     -Os
     -ffunction-sections
     -fdata-sections
-    -DNDEBUG
+    #-DNDEBUG
     -mtext-section-literals
     -DVERSION=\"${common.version}\"
     -DASYNCWEBSERVER_REGEX
-    -DCORE_DEBUG_LEVEL=3
+    #-DCORE_DEBUG_LEVEL=3
     -DCONFIG_ARDUHAL_LOG_COLORS=1
-    -DOTA_DEBUG=1
+    #-DOTA_DEBUG=1
     -DCONFIG_OPTIMIZATION_LEVEL_DEBUG=1
     -DBOOT_APP_PARTITION_OTA_0=1
     -DCONFIG_LWIP_TCP_MSL=60000

src/api.cpp

@@ -12,31 +12,6 @@ struct SendToApiParams {
     String updatePayload;
 };
 
-/*
-    // Spoolman Data
-    {
-        "version":"1.0",
-        "protocol":"openspool",
-        "color_hex":"AF7933",
-        "type":"ABS",
-        "min_temp":175,
-        "max_temp":275,
-        "brand":"Overture"
-    }
-
-    // FilaMan Data
-    {
-        "version":"1.0",
-        "protocol":"openspool",
-        "color_hex":"AF7933",
-        "type":"ABS",
-        "min_temp":175,
-        "max_temp":275,
-        "brand":"Overture",
-        "sm_id": 
-    }
-*/
-
 JsonDocument fetchSingleSpoolInfo(int spoolId) {
     HTTPClient http;
     String spoolsUrl = spoolmanUrl + apiUrl + "/spool/" + spoolId;
@@ -410,12 +385,13 @@ bool checkSpoolmanExtraFields() {
                 }
             }
         }
-        http.end();  
     }
     
     Serial.println("-------- ENDE Prüfe Felder --------");
     Serial.println();
 
+    http.end();
+
     return true;
 }
 

src/bambu.cpp

@@ -23,6 +23,11 @@ const char* bambu_username = "bblp";
 const char* bambu_ip = nullptr;
 const char* bambu_accesscode = nullptr;
 const char* bambu_serialnr = nullptr;
+
+String g_bambu_ip = "";
+String g_bambu_accesscode = "";
+String g_bambu_serialnr = "";
+
 bool bambu_connected = false;
 bool autoSendToBambu = false;
 int autoSetToBambuSpoolId = 0;
@@ -69,6 +74,11 @@ bool loadBambuCredentials() {
         String ip = doc["bambu_ip"].as<String>();
         String code = doc["bambu_accesscode"].as<String>();
         String serial = doc["bambu_serialnr"].as<String>();
+
+        g_bambu_ip = ip;
+        g_bambu_accesscode = code;
+        g_bambu_serialnr = serial;
+
         if (doc["autoSendToBambu"].is<bool>()) autoSendToBambu = doc["autoSendToBambu"].as<bool>();
         if (doc["autoSendTime"].is<int>()) autoSetBambuAmsCounter = doc["autoSendTime"].as<int>();
 
@@ -77,9 +87,9 @@ bool loadBambuCredentials() {
         serial.trim();
 
         // Dynamische Speicherallokation für die globalen Pointer
-        bambu_ip = strdup(ip.c_str());
+        bambu_ip = g_bambu_ip.c_str();
-        bambu_accesscode = strdup(code.c_str());
+        bambu_accesscode = g_bambu_accesscode.c_str();
-        bambu_serialnr = strdup(serial.c_str());
+        bambu_serialnr = g_bambu_serialnr.c_str();
 
         report_topic = "device/" + String(bambu_serialnr) + "/report";
         //request_topic = "device/" + String(bambu_serialnr) + "/request";
@@ -112,6 +122,7 @@ FilamentResult findFilamentIdx(String brand, String type) {
         }
         doc.clear();
     }
+    doc.clear();
 
     // Laden der bambu_filaments.json
     if (!loadJsonValue("/bambu_filaments.json", doc)) 
@@ -185,7 +196,7 @@ FilamentResult findFilamentIdx(String brand, String type) {
     return {"GFL99", "PLA"};
 }
 
-bool sendMqttMessage(String payload) {
+bool sendMqttMessage(const String& payload) {
     Serial.println("Sending MQTT message");
     Serial.println(payload);
     if (client.publish(report_topic.c_str(), payload.c_str())) 
@@ -303,12 +314,98 @@ void autoSetSpool(int spoolId, uint8_t trayId) {
         Serial.println(spoolInfo.as<String>());
 
         setBambuSpool(spoolInfo.as<String>());
+
+        oledShowMessage("Spool set");
     }
 
     // id wieder zurücksetzen damit abgeschlossen
     autoSetToBambuSpoolId = 0;
 }
 
+void updateAmsWsData(JsonDocument& doc, JsonArray& amsArray, int& ams_count, JsonObject& vtTray) {
+    // Fortfahren mit der bestehenden Verarbeitung, da Änderungen gefunden wurden
+    ams_count = amsArray.size();
+        
+    for (int i = 0; i < ams_count && i < 16; i++) {
+        JsonObject amsObj = amsArray[i];
+        JsonArray trayArray = amsObj["tray"].as<JsonArray>();
+
+        ams_data[i].ams_id = i; // Setze die AMS-ID
+        for (int j = 0; j < trayArray.size() && j < 4; j++) { // Annahme: Maximal 4 Trays pro AMS
+            JsonObject trayObj = trayArray[j];
+
+            ams_data[i].trays[j].id = trayObj["id"].as<uint8_t>();
+            ams_data[i].trays[j].tray_info_idx = trayObj["tray_info_idx"].as<String>();
+            ams_data[i].trays[j].tray_type = trayObj["tray_type"].as<String>();
+            ams_data[i].trays[j].tray_sub_brands = trayObj["tray_sub_brands"].as<String>();
+            ams_data[i].trays[j].tray_color = trayObj["tray_color"].as<String>();
+            ams_data[i].trays[j].nozzle_temp_min = trayObj["nozzle_temp_min"].as<int>();
+            ams_data[i].trays[j].nozzle_temp_max = trayObj["nozzle_temp_max"].as<int>();
+            //ams_data[i].trays[j].setting_id = trayObj["setting_id"].as<String>();
+            ams_data[i].trays[j].cali_idx = trayObj["cali_idx"].as<String>();
+        }
+    }
+    
+    // Setze ams_count auf die Anzahl der normalen AMS
+    ams_count = amsArray.size();
+
+    // Wenn externe Spule vorhanden, füge sie hinzu
+    if (doc["print"]["vt_tray"].is<JsonObject>()) {
+        //JsonObject vtTray = doc["print"]["vt_tray"];
+        int extIdx = ams_count;  // Index für externe Spule
+        ams_data[extIdx].ams_id = 255;  // Spezielle ID für externe Spule
+        ams_data[extIdx].trays[0].id = 254;  // Spezielle ID für externes Tray
+        ams_data[extIdx].trays[0].tray_info_idx = vtTray["tray_info_idx"].as<String>();
+        ams_data[extIdx].trays[0].tray_type = vtTray["tray_type"].as<String>();
+        ams_data[extIdx].trays[0].tray_sub_brands = vtTray["tray_sub_brands"].as<String>();
+        ams_data[extIdx].trays[0].tray_color = vtTray["tray_color"].as<String>();
+        ams_data[extIdx].trays[0].nozzle_temp_min = vtTray["nozzle_temp_min"].as<int>();
+        ams_data[extIdx].trays[0].nozzle_temp_max = vtTray["nozzle_temp_max"].as<int>();
+
+        if (doc["print"]["vt_tray"]["tray_type"].as<String>() != "")
+        {
+            //ams_data[extIdx].trays[0].setting_id = vtTray["setting_id"].as<String>();
+            ams_data[extIdx].trays[0].cali_idx = vtTray["cali_idx"].as<String>();
+        }
+        else
+        {
+            ams_data[extIdx].trays[0].setting_id = "";
+            ams_data[extIdx].trays[0].cali_idx = "";
+        }
+        ams_count++;  // Erhöhe ams_count für die externe Spule
+    }
+
+    // Erstelle JSON für WebSocket-Clients
+    JsonDocument wsDoc;
+    JsonArray wsArray = wsDoc.to<JsonArray>();
+
+    for (int i = 0; i < ams_count; i++) {
+        JsonObject amsObj = wsArray.add<JsonObject>();
+        amsObj["ams_id"] = ams_data[i].ams_id;
+
+        JsonArray trays = amsObj["tray"].to<JsonArray>();
+        int maxTrays = (ams_data[i].ams_id == 255) ? 1 : 4;
+        
+        for (int j = 0; j < maxTrays; j++) {
+            JsonObject trayObj = trays.add<JsonObject>();
+            trayObj["id"] = ams_data[i].trays[j].id;
+            trayObj["tray_info_idx"] = ams_data[i].trays[j].tray_info_idx;
+            trayObj["tray_type"] = ams_data[i].trays[j].tray_type;
+            trayObj["tray_sub_brands"] = ams_data[i].trays[j].tray_sub_brands;
+            trayObj["tray_color"] = ams_data[i].trays[j].tray_color;
+            trayObj["nozzle_temp_min"] = ams_data[i].trays[j].nozzle_temp_min;
+            trayObj["nozzle_temp_max"] = ams_data[i].trays[j].nozzle_temp_max;
+            trayObj["setting_id"] = ams_data[i].trays[j].setting_id;
+            trayObj["cali_idx"] = ams_data[i].trays[j].cali_idx;
+        }
+    }
+
+    serializeJson(wsArray, amsJsonData);
+    wsDoc.clear();
+    Serial.println("AMS data updated");
+    sendAmsData(nullptr);
+}
+
 // init
 void mqtt_callback(char* topic, byte* payload, unsigned int length) {
     String message;
@@ -320,6 +417,7 @@ void mqtt_callback(char* topic, byte* payload, unsigned int length) {
     // JSON-Dokument parsen
     JsonDocument doc;
     DeserializationError error = deserializeJson(doc, message);
+    message = "";
     if (error) 
     {
         Serial.print("Fehler beim Parsen des JSON: ");
@@ -372,9 +470,13 @@ void mqtt_callback(char* topic, byte* payload, unsigned int length) {
             // Vergleiche die Trays
             for (int j = 0; j < trayArray.size() && j < 4 && !hasChanges; j++) {
                 JsonObject trayObj = trayArray[j];
+
+                if (trayObj["tray_type"].as<String>() == "") ams_data[storedIndex].trays[j].setting_id = "";
+                if (trayObj["setting_id"].isNull()) trayObj["setting_id"] = "";
                 if (trayObj["tray_info_idx"].as<String>() != ams_data[storedIndex].trays[j].tray_info_idx ||
                     trayObj["tray_type"].as<String>() != ams_data[storedIndex].trays[j].tray_type ||
                     trayObj["tray_color"].as<String>() != ams_data[storedIndex].trays[j].tray_color ||
+                    (trayObj["setting_id"].as<String>() != "" && trayObj["setting_id"].as<String>() != ams_data[storedIndex].trays[j].setting_id) ||
                     trayObj["cali_idx"].as<String>() != ams_data[storedIndex].trays[j].cali_idx) {
                     hasChanges = true;
                     break;
@@ -383,149 +485,52 @@ void mqtt_callback(char* topic, byte* payload, unsigned int length) {
         }
 
         // Prüfe die externe Spule
-        if (!hasChanges && doc["print"]["vt_tray"].is<JsonObject>()) {
         JsonObject vtTray = doc["print"]["vt_tray"];
-            bool foundExternal = false;
+        if (doc["print"]["vt_tray"].is<JsonObject>()) {
-            
             for (int i = 0; i < ams_count; i++) {
                 if (ams_data[i].ams_id == 255) {
-                    foundExternal = true;
+                    if (vtTray["tray_type"].as<String>() == "") ams_data[i].trays[0].setting_id = "";
+                    if (vtTray["setting_id"].isNull()) vtTray["setting_id"] = "";
                     if (vtTray["tray_info_idx"].as<String>() != ams_data[i].trays[0].tray_info_idx ||
                         vtTray["tray_type"].as<String>() != ams_data[i].trays[0].tray_type ||
                         vtTray["tray_color"].as<String>() != ams_data[i].trays[0].tray_color ||
+                        (vtTray["setting_id"].as<String>() != "" && vtTray["setting_id"].as<String>() != ams_data[i].trays[0].setting_id) ||
                         (vtTray["tray_type"].as<String>() != "" && vtTray["cali_idx"].as<String>() != ams_data[i].trays[0].cali_idx)) {
                         hasChanges = true;
                     }
                     break;
                 }
             }
-            //if (!foundExternal) hasChanges = true;
         }
 
         if (!hasChanges) return;
 
-        // Fortfahren mit der bestehenden Verarbeitung, da Änderungen gefunden wurden
+        updateAmsWsData(doc, amsArray, ams_count, vtTray);
-        ams_count = amsArray.size();
-        
-        for (int i = 0; i < ams_count && i < 16; i++) {
-            JsonObject amsObj = amsArray[i];
-            JsonArray trayArray = amsObj["tray"].as<JsonArray>();
-
-            ams_data[i].ams_id = i; // Setze die AMS-ID
-            for (int j = 0; j < trayArray.size() && j < 4; j++) { // Annahme: Maximal 4 Trays pro AMS
-                JsonObject trayObj = trayArray[j];
-
-                ams_data[i].trays[j].id = trayObj["id"].as<uint8_t>();
-                ams_data[i].trays[j].tray_info_idx = trayObj["tray_info_idx"].as<String>();
-                ams_data[i].trays[j].tray_type = trayObj["tray_type"].as<String>();
-                ams_data[i].trays[j].tray_sub_brands = trayObj["tray_sub_brands"].as<String>();
-                ams_data[i].trays[j].tray_color = trayObj["tray_color"].as<String>();
-                ams_data[i].trays[j].nozzle_temp_min = trayObj["nozzle_temp_min"].as<int>();
-                ams_data[i].trays[j].nozzle_temp_max = trayObj["nozzle_temp_max"].as<int>();
-                ams_data[i].trays[j].setting_id = trayObj["setting_id"].as<String>();
-                ams_data[i].trays[j].cali_idx = trayObj["cali_idx"].as<String>();
-            }
-        }
-        
-        // Setze ams_count auf die Anzahl der normalen AMS
-        ams_count = amsArray.size();
-
-        // Wenn externe Spule vorhanden, füge sie hinzu
-        if (doc["print"]["vt_tray"].is<JsonObject>()) {
-            JsonObject vtTray = doc["print"]["vt_tray"];
-            int extIdx = ams_count;  // Index für externe Spule
-            ams_data[extIdx].ams_id = 255;  // Spezielle ID für externe Spule
-            ams_data[extIdx].trays[0].id = 254;  // Spezielle ID für externes Tray
-            ams_data[extIdx].trays[0].tray_info_idx = vtTray["tray_info_idx"].as<String>();
-            ams_data[extIdx].trays[0].tray_type = vtTray["tray_type"].as<String>();
-            ams_data[extIdx].trays[0].tray_sub_brands = vtTray["tray_sub_brands"].as<String>();
-            ams_data[extIdx].trays[0].tray_color = vtTray["tray_color"].as<String>();
-            ams_data[extIdx].trays[0].nozzle_temp_min = vtTray["nozzle_temp_min"].as<int>();
-            ams_data[extIdx].trays[0].nozzle_temp_max = vtTray["nozzle_temp_max"].as<int>();
-
-            if (doc["print"]["vt_tray"]["tray_type"].as<String>() != "")
-            {
-                ams_data[extIdx].trays[0].setting_id = vtTray["setting_id"].as<String>();
-                ams_data[extIdx].trays[0].cali_idx = vtTray["cali_idx"].as<String>();
-            }
-            else
-            {
-                ams_data[extIdx].trays[0].setting_id = "";
-                ams_data[extIdx].trays[0].cali_idx = "";
-            }
-            ams_count++;  // Erhöhe ams_count für die externe Spule
-        }
-
-        // Erstelle JSON für WebSocket-Clients
-        JsonDocument wsDoc;
-        JsonArray wsArray = wsDoc.to<JsonArray>();
-
-        for (int i = 0; i < ams_count; i++) {
-            JsonObject amsObj = wsArray.add<JsonObject>();
-            amsObj["ams_id"] = ams_data[i].ams_id;
-
-            JsonArray trays = amsObj["tray"].to<JsonArray>();
-            int maxTrays = (ams_data[i].ams_id == 255) ? 1 : 4;
-            
-            for (int j = 0; j < maxTrays; j++) {
-                JsonObject trayObj = trays.add<JsonObject>();
-                trayObj["id"] = ams_data[i].trays[j].id;
-                trayObj["tray_info_idx"] = ams_data[i].trays[j].tray_info_idx;
-                trayObj["tray_type"] = ams_data[i].trays[j].tray_type;
-                trayObj["tray_sub_brands"] = ams_data[i].trays[j].tray_sub_brands;
-                trayObj["tray_color"] = ams_data[i].trays[j].tray_color;
-                trayObj["nozzle_temp_min"] = ams_data[i].trays[j].nozzle_temp_min;
-                trayObj["nozzle_temp_max"] = ams_data[i].trays[j].nozzle_temp_max;
-                trayObj["setting_id"] = ams_data[i].trays[j].setting_id;
-                trayObj["cali_idx"] = ams_data[i].trays[j].cali_idx;
-            }
-        }
-
-        serializeJson(wsArray, amsJsonData);
-        Serial.println("AMS data updated");
-        sendAmsData(nullptr);
     }
     
     // Neue Bedingung für ams_filament_setting
     if (doc["print"]["command"] == "ams_filament_setting") {
         int amsId = doc["print"]["ams_id"].as<int>();
         int trayId = doc["print"]["tray_id"].as<int>();
-        String settingId = doc["print"]["setting_id"].as<String>();
+        String settingId = (doc["print"]["setting_id"].is<String>()) ? doc["print"]["setting_id"].as<String>() : "";
 
         // Finde das entsprechende AMS und Tray
         for (int i = 0; i < ams_count; i++) {
             if (ams_data[i].ams_id == amsId) {
-                // Update setting_id im entsprechenden Tray
+                if (trayId == 254)
-                ams_data[i].trays[trayId].setting_id = settingId;
+                {
-                
+                    // Suche AMS mit ID 255 (externe Spule)
-                // Erstelle neues JSON für WebSocket-Clients
-                JsonDocument wsDoc;
-                JsonArray wsArray = wsDoc.to<JsonArray>();
-
                     for (int j = 0; j < ams_count; j++) {
-                    JsonObject amsObj = wsArray.add<JsonObject>();
+                        if (ams_data[j].ams_id == 255) {
-                    amsObj["ams_id"] = ams_data[j].ams_id;
+                            ams_data[j].trays[0].setting_id = settingId;
-
+                            break;
-                    JsonArray trays = amsObj["tray"].to<JsonArray>();
-                    int maxTrays = (ams_data[j].ams_id == 255) ? 1 : 4;
-                    
-                    for (int k = 0; k < maxTrays; k++) {
-                        JsonObject trayObj = trays.add<JsonObject>();
-                        trayObj["id"] = ams_data[j].trays[k].id;
-                        trayObj["tray_info_idx"] = ams_data[j].trays[k].tray_info_idx;
-                        trayObj["tray_type"] = ams_data[j].trays[k].tray_type;
-                        trayObj["tray_sub_brands"] = ams_data[j].trays[k].tray_sub_brands;
-                        trayObj["tray_color"] = ams_data[j].trays[k].tray_color;
-                        trayObj["nozzle_temp_min"] = ams_data[j].trays[k].nozzle_temp_min;
-                        trayObj["nozzle_temp_max"] = ams_data[j].trays[k].nozzle_temp_max;
-                        trayObj["setting_id"] = ams_data[j].trays[k].setting_id;
-                        trayObj["cali_idx"] = ams_data[j].trays[k].cali_idx;
                         }
                     }
-
+                }
-                // Aktualisiere das globale amsJsonData
+                else
-                amsJsonData = "";
+                {
-                serializeJson(wsArray, amsJsonData);
+                    ams_data[i].trays[trayId].setting_id = settingId;
+                }
                
                 // Sende an WebSocket Clients
                 Serial.println("Filament setting updated");
@@ -538,15 +543,16 @@ void mqtt_callback(char* topic, byte* payload, unsigned int length) {
 
 void reconnect() {
     // Loop until we're reconnected
+    uint8_t retries = 0;
     while (!client.connected()) {
-        Serial.println("Attempting MQTT connection...");
+        Serial.println("Attempting MQTT re/connection...");
         bambu_connected = false;
         oledShowTopRow();
 
         // Attempt to connect
         if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode)) {
-            Serial.println("... re-connected");
+            Serial.println("MQTT re/connected");
-            // ... and resubscribe
+
             client.subscribe(report_topic.c_str());
             bambu_connected = true;
             oledShowTopRow();
@@ -556,14 +562,23 @@ void reconnect() {
             Serial.println(" try again in 5 seconds");
             bambu_connected = false;
             oledShowTopRow();
-            // Wait 5 seconds before retrying
+            
             yield();
             vTaskDelay(5000 / portTICK_PERIOD_MS);
+            if (retries > 5) {
+                Serial.println("Disable Bambu MQTT Task after 5 retries");
+                //vTaskSuspend(BambuMqttTask);
+                vTaskDelete(BambuMqttTask);
+                break;
+            }
+
+            retries++;
         }
     }
 }
 
 void mqtt_loop(void * parameter) {
+    Serial.println("Bambu MQTT Task gestartet");
     for(;;) {
         if (pauseBambuMqttTask) {
             vTaskDelay(10000);
@@ -577,6 +592,7 @@ void mqtt_loop(void * parameter) {
         }
         client.loop();
         yield();
+        esp_task_wdt_reset();
         vTaskDelay(100);
     }
 }
@@ -617,7 +633,7 @@ bool setupMqtt() {
             xTaskCreatePinnedToCore(
                 mqtt_loop, /* Function to implement the task */
                 "BambuMqtt", /* Name of the task */
-                10000,  /* Stack size in words */
+                8192,  /* Stack size in words */
                 NULL,  /* Task input parameter */
                 mqttTaskPrio,  /* Priority of the task */
                 &BambuMqttTask,  /* Task handle. */

src/commonFS.cpp

@@ -1,8 +1,8 @@
 #include "commonFS.h"
-#include <SPIFFS.h>
+#include <LittleFS.h>
 
 bool saveJsonValue(const char* filename, const JsonDocument& doc) {
-    File file = SPIFFS.open(filename, "w");
+    File file = LittleFS.open(filename, "w");
     if (!file) {
         Serial.print("Fehler beim Öffnen der Datei zum Schreiben: ");
         Serial.println(filename);
@@ -20,7 +20,7 @@ bool saveJsonValue(const char* filename, const JsonDocument& doc) {
 }
 
 bool loadJsonValue(const char* filename, JsonDocument& doc) {
-    File file = SPIFFS.open(filename, "r");
+    File file = LittleFS.open(filename, "r");
     if (!file) {
         Serial.print("Fehler beim Öffnen der Datei zum Lesen: ");
         Serial.println(filename);
@@ -36,12 +36,12 @@ bool loadJsonValue(const char* filename, JsonDocument& doc) {
     return true;
 }
 
-void initializeSPIFFS() {
+void initializeFileSystem() {
-    if (!SPIFFS.begin(true, "/spiffs", 10, "spiffs")) {
+    if (!LittleFS.begin(true)) {
-        Serial.println("SPIFFS Mount Failed");
+        Serial.println("LittleFS Mount Failed");
         return;
     }
-    Serial.printf("SPIFFS Total: %u bytes\n", SPIFFS.totalBytes());
+    Serial.printf("LittleFS Total: %u bytes\n", LittleFS.totalBytes());
-    Serial.printf("SPIFFS Used: %u bytes\n", SPIFFS.usedBytes());
+    Serial.printf("LittleFS Used: %u bytes\n", LittleFS.usedBytes());
-    Serial.printf("SPIFFS Free: %u bytes\n", SPIFFS.totalBytes() - SPIFFS.usedBytes());
+    Serial.printf("LittleFS Free: %u bytes\n", LittleFS.totalBytes() - LittleFS.usedBytes());
 }

src/commonFS.h

@@ -2,11 +2,11 @@
 #define COMMONFS_H
 
 #include <Arduino.h>
-#include <SPIFFS.h>
 #include <ArduinoJson.h>
+#include <LittleFS.h>
 
 bool saveJsonValue(const char* filename, const JsonDocument& doc);
 bool loadJsonValue(const char* filename, JsonDocument& doc);
-void initializeSPIFFS();
+void initializeFileSystem();
 
 #endif

src/display.cpp

@@ -20,9 +20,9 @@ void setupDisplay() {
     // the library initializes this with an Adafruit splash screen.
     display.setTextColor(WHITE);
     display.display();
-    delay(1000); // Pause for 2 seconds
     oledShowTopRow();
-    delay(2000);
+    oledShowMessage("FilaMan v" + String(VERSION));
+    vTaskDelay(2000 / portTICK_PERIOD_MS);
 }
 
 void oledclearline() {
@@ -139,8 +139,9 @@ void oledShowMultilineMessage(String message, uint8_t size) {
     int totalHeight = lines.size() * lineHeight;
     int startY = OLED_DATA_START + ((OLED_DATA_END - OLED_DATA_START - totalHeight) / 2);
     
+    uint8_t lineDistance = (lines.size() == 2) ? 5 : 0;
     for (size_t i = 0; i < lines.size(); i++) {
-        display.setCursor(oled_center_h(lines[i]), startY + (i * lineHeight));
+        display.setCursor(oled_center_h(lines[i]), startY + (i * lineHeight) + (i == 1 ? lineDistance : 0));
         display.print(lines[i]);
     }
     

src/main.cpp

@@ -1,6 +1,4 @@
 #include <Arduino.h>
-#include <DNSServer.h>
-#include <ESPmDNS.h>
 #include <Wire.h>
 #include <WiFi.h>
 
@@ -26,7 +24,7 @@ void setup() {
   Serial.printf("%08X\n", (uint32_t)chipid); //print Low 4bytes.
 
   // Initialize SPIFFS
-  initializeSPIFFS();
+  initializeFileSystem();
 
   // Start Display
   setupDisplay();
@@ -35,7 +33,6 @@ void setup() {
   initWiFi();
 
   // Webserver
-  Serial.println("Starte Webserver");
   setupWebserver(server);
 
   // Spoolman API
@@ -43,19 +40,9 @@ void setup() {
   initSpoolman();
 
   // Bambu MQTT
-  // bambu.cpp
   setupMqtt();
 
-  // mDNS
+  // NFC Reader
-  Serial.println("Starte MDNS");
-  if (!MDNS.begin("filaman")) {   // Set the hostname to "esp32.local"
-    Serial.println("Error setting up MDNS responder!");
-    while(1) {
-      delay(1000);
-    }
-  }
-  Serial.println("mDNS responder started");
-  
   startNfc();
 
   uint8_t scaleCalibrated = start_scale();
@@ -87,6 +74,21 @@ void setup() {
 }
 
 
+/**
+ * Safe interval check that handles millis() overflow
+ * @param currentTime Current millis() value
+ * @param lastTime Last recorded time
+ * @param interval Desired interval in milliseconds
+ * @return True if interval has elapsed
+ */
+bool intervalElapsed(unsigned long currentTime, unsigned long &lastTime, unsigned long interval) {
+  if (currentTime - lastTime >= interval || currentTime < lastTime) {
+    lastTime = currentTime;
+    return true;
+  }
+  return false;
+}
+
 unsigned long lastWeightReadTime = 0;
 const unsigned long weightReadInterval = 1000; // 1 second
 
@@ -94,26 +96,24 @@ unsigned long lastAutoSetBambuAmsTime = 0;
 const unsigned long autoSetBambuAmsInterval = 1000; // 1 second
 uint8_t autoAmsCounter = 0;
 
-unsigned long lastAmsSendTime = 0;
-const unsigned long amsSendInterval = 60000; // 1 minute
-
 uint8_t weightSend = 0;
 int16_t lastWeight = 0;
-uint8_t wifiErrorCounter = 0;
+
+unsigned long lastWifiCheckTime = 0;
+const unsigned long wifiCheckInterval = 60000; // Überprüfe alle 60 Sekunden (60000 ms)
 
 // ##### PROGRAM START #####
 void loop() {
   unsigned long currentMillis = millis();
 
-  // Send AMS Data min every Minute
+  // Überprüfe regelmäßig die WLAN-Verbindung
-  if (currentMillis - lastAmsSendTime >= amsSendInterval) 
+  if (intervalElapsed(currentMillis, lastWifiCheckTime, wifiCheckInterval)) {
-  {
+    checkWiFiConnection();
-    lastAmsSendTime = currentMillis;
-    //sendAmsData(nullptr);
   }
 
   // Wenn Bambu auto set Spool aktiv
-  if (autoSendToBambu && autoSetToBambuSpoolId > 0 && currentMillis - lastAutoSetBambuAmsTime >= autoSetBambuAmsInterval) 
+  if (autoSendToBambu && autoSetToBambuSpoolId > 0) {
+    if (intervalElapsed(currentMillis, lastAutoSetBambuAmsTime, autoSetBambuAmsInterval)) 
     {
       if (hasReadRfidTag == 0)
       {
@@ -133,7 +133,7 @@ void loop() {
         autoAmsCounter = 0;
       }
     }
-  
+  }
 
   // Wenn Waage nicht Kalibriert
   if (scaleCalibrated == 3) 

src/nfc.cpp

@@ -44,8 +44,6 @@ void payloadToJson(uint8_t *data) {
       DeserializationError error = deserializeJson(doc, jsonString);
   
       if (!error) {
-        const char* version = doc["version"];
-        const char* protocol = doc["protocol"];
         const char* color_hex = doc["color_hex"];
         const char* type = doc["type"];
         int min_temp = doc["min_temp"];
@@ -55,8 +53,6 @@ void payloadToJson(uint8_t *data) {
         Serial.println();
         Serial.println("-----------------");
         Serial.println("JSON-Parsed Data:");
-        Serial.println(version);
-        Serial.println(protocol);
         Serial.println(color_hex);
         Serial.println(type);
         Serial.println(min_temp);
@@ -93,8 +89,16 @@ bool formatNdefTag() {
     return success;
   }
 
+uint16_t readTagSize()
+{
+  uint8_t buffer[4];
+  memset(buffer, 0, 4);
+  nfc.ntag2xx_ReadPage(3, buffer);
+  return buffer[2]*8;
+}
+
 uint8_t ntag2xx_WriteNDEF(const char *payload) {
-  uint8_t tagSize = 240; // 144 bytes is maximum for NTAG213
+  uint16_t tagSize = readTagSize();
   Serial.print("Tag Size: ");Serial.println(tagSize);
 
   uint8_t pageBuffer[4] = {0, 0, 0, 0};
@@ -136,6 +140,8 @@ uint8_t ntag2xx_WriteNDEF(const char *payload) {
   if (combinedData == NULL) 
   {
     Serial.println("Fehler: Nicht genug Speicher vorhanden.");
+    oledShowMessage("Tag too small");
+    vTaskDelay(2000 / portTICK_PERIOD_MS);
     return 0;
   }
 
@@ -238,10 +244,12 @@ void writeJsonToTag(void *parameter) {
 
   hasReadRfidTag = 3;
   vTaskSuspend(RfidReaderTask);
-  vTaskDelay(500 / portTICK_PERIOD_MS);
+  vTaskDelay(50 / portTICK_PERIOD_MS);
+
   //pauseBambuMqttTask = true;
   // aktualisieren der Website wenn sich der Status ändert
   sendNfcData(nullptr);
+  vTaskDelay(100 / portTICK_PERIOD_MS);
   oledShowMessage("Waiting for NFC-Tag");
   
   // Wait 10sec for tag
@@ -331,7 +339,7 @@ void startWriteJsonToTag(const char* payload) {
     xTaskCreate(
         writeJsonToTag,        // Task-Funktion
         "WriteJsonToTagTask",       // Task-Name
-        4096,                        // Stackgröße in Bytes
+        5115,                        // Stackgröße in Bytes
         (void*)payloadCopy,         // Parameter
         rfidWriteTaskPrio,           // Priorität
         NULL                         // Task-Handle (nicht benötigt)
@@ -367,21 +375,19 @@ void scanRfidTask(void * parameter) {
 
         if (uidLength == 7)
         {
-          uint8_t data[256];
+          uint16_t tagSize = readTagSize();
+          if(tagSize > 0)
+          {
+            // Create a buffer depending on the size of the tag
+            uint8_t* data = (uint8_t*)malloc(tagSize);
+            memset(data, 0, tagSize);
 
             // We probably have an NTAG2xx card (though it could be Ultralight as well)
             Serial.println("Seems to be an NTAG2xx tag (7 byte UID)");
             
-          for (uint8_t i = 0; i < 45; i++) {
+            uint8_t numPages = readTagSize()/4;
-            /*
+            for (uint8_t i = 4; i < 4+numPages; i++) {
-            if (i < uidLength) {
+              if (!nfc.ntag2xx_ReadPage(i, data+(i-4) * 4))
-              uidString += String(uid[i], HEX);
-              if (i < uidLength - 1) {
-                  uidString += ":"; // Optional: Trennzeichen hinzufügen
-              }
-            }
-            */
-            if (!nfc.mifareclassic_ReadDataBlock(i, data + (i - 4) * 4)) 
               {
                 break; // Stop if reading fails
               }
@@ -407,6 +413,13 @@ void scanRfidTask(void * parameter) {
               hasReadRfidTag = 1;
             }
 
+            free(data);
+          }
+          else
+          {
+            oledShowMessage("NFC-Tag read error");
+            hasReadRfidTag = 2;
+          }
         }
         else
         {
@@ -456,7 +469,7 @@ void startNfc() {
     BaseType_t result = xTaskCreatePinnedToCore(
       scanRfidTask, /* Function to implement the task */
       "RfidReader", /* Name of the task */
-      10000,  /* Stack size in words */
+      5115,  /* Stack size in words */
       NULL,  /* Task input parameter */
       rfidTaskPrio,  /* Priority of the task */
       &RfidReaderTask,  /* Task handle. */

src/ota.cpp

@@ -17,8 +17,8 @@ static bool isSpiffsUpdate = false;
 
 void backupJsonConfigs() {
     // Bambu Credentials backup
-    if (SPIFFS.exists("/bambu_credentials.json")) {
+    if (LittleFS.exists("/bambu_credentials.json")) {
-        File file = SPIFFS.open("/bambu_credentials.json", "r");
+        File file = LittleFS.open("/bambu_credentials.json", "r");
         if (file) {
             bambuCredentialsBackup = file.readString();
             file.close();
@@ -27,8 +27,8 @@ void backupJsonConfigs() {
     }
 
     // Spoolman URL backup
-    if (SPIFFS.exists("/spoolman_url.json")) {
+    if (LittleFS.exists("/spoolman_url.json")) {
-        File file = SPIFFS.open("/spoolman_url.json", "r");
+        File file = LittleFS.open("/spoolman_url.json", "r");
         if (file) {
             spoolmanUrlBackup = file.readString();
             file.close();
@@ -40,7 +40,7 @@ void backupJsonConfigs() {
 void restoreJsonConfigs() {
     // Restore Bambu credentials
     if (bambuCredentialsBackup.length() > 0) {
-        File file = SPIFFS.open("/bambu_credentials.json", "w");
+        File file = LittleFS.open("/bambu_credentials.json", "w");
         if (file) {
             file.print(bambuCredentialsBackup);
             file.close();
@@ -51,7 +51,7 @@ void restoreJsonConfigs() {
 
     // Restore Spoolman URL
     if (spoolmanUrlBackup.length() > 0) {
-        File file = SPIFFS.open("/spoolman_url.json", "w");
+        File file = LittleFS.open("/spoolman_url.json", "w");
         if (file) {
             file.print(spoolmanUrlBackup);
             file.close();

src/website.cpp

@@ -113,12 +113,12 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
 // Funktion zum Laden und Ersetzen des Headers in einer HTML-Datei
 String loadHtmlWithHeader(const char* filename) {
     Serial.println("Lade HTML-Datei: " + String(filename));
-    if (!SPIFFS.exists(filename)) {
+    if (!LittleFS.exists(filename)) {
         Serial.println("Fehler: Datei nicht gefunden!");
         return "Fehler: Datei nicht gefunden!";
     }
 
-    File file = SPIFFS.open(filename, "r");
+    File file = LittleFS.open(filename, "r");
     String html = file.readString();
     file.close();
 
@@ -195,7 +195,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für about
     server.on("/about", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /about erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/index.html.gz", "text/html");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/index.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -204,7 +204,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für Waage
     server.on("/waage", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /waage erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/waage.html.gz", "text/html");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/waage.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -213,7 +213,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für RFID
     server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /rfid erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/rfid.html.gz", "text/html");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/rfid.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -229,7 +229,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für WiFi
     server.on("/wifi", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /wifi erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/wifi.html.gz", "text/html");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/wifi.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -322,7 +322,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für das Laden der CSS-Datei
     server.on("/style.css", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Lade style.css");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/style.css.gz", "text/css");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/style.css.gz", "text/css");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -331,7 +331,7 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Route für das Logo
     server.on("/logo.png", HTTP_GET, [](AsyncWebServerRequest *request){
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/logo.png.gz", "image/png");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/logo.png.gz", "image/png");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -340,7 +340,7 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Route für Favicon
     server.on("/favicon.ico", HTTP_GET, [](AsyncWebServerRequest *request){
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/favicon.ico", "image/x-icon");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/favicon.ico", "image/x-icon");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
         Serial.println("favicon.ico gesendet");
@@ -348,7 +348,7 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Route für spool_in.png
     server.on("/spool_in.png", HTTP_GET, [](AsyncWebServerRequest *request){
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/spool_in.png.gz", "image/png");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/spool_in.png.gz", "image/png");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -357,7 +357,7 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Route für set_spoolman.png
     server.on("/set_spoolman.png", HTTP_GET, [](AsyncWebServerRequest *request){
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/set_spoolman.png.gz", "image/png");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/set_spoolman.png.gz", "image/png");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -367,7 +367,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für JavaScript Dateien
     server.on("/spoolman.js", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /spoolman.js erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/spoolman.js.gz", "text/javascript");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/spoolman.js.gz", "text/javascript");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -376,7 +376,7 @@ void setupWebserver(AsyncWebServer &server) {
 
     server.on("/rfid.js", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /rfid.js erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS,"/rfid.js.gz", "text/javascript");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS,"/rfid.js.gz", "text/javascript");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -385,7 +385,7 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Vereinfachter Update-Handler
     server.on("/upgrade", HTTP_GET, [](AsyncWebServerRequest *request) {
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/upgrade.html.gz", "text/html");
+        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/upgrade.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", "no-store");
         request->send(response);

src/wlan.cpp

@@ -3,16 +3,20 @@
 #include <WiFi.h>
 #include <esp_wifi.h>
 #include <WiFiManager.h>
+#include <DNSServer.h>
+#include <ESPmDNS.h>
 #include "display.h"
 #include "config.h"
 
 WiFiManager wm;
 bool wm_nonblocking = false;
+uint8_t wifiErrorCounter = 0;
 
-void initWiFi() {
+void wifiSettings() {
     // Optimierte WiFi-Einstellungen
     WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP
     WiFi.setSleep(false); // disable sleep mode
+    WiFi.setHostname("FilaMan");
     esp_wifi_set_ps(WIFI_PS_NONE);
     
     // Maximale Sendeleistung
@@ -23,19 +27,45 @@ void initWiFi() {
     
     // Aktiviere WiFi-Roaming für bessere Stabilität
     esp_wifi_set_rssi_threshold(-80);
+}
+
+void startMDNS() {
+  if (!MDNS.begin("filaman")) {
+    Serial.println("Error setting up MDNS responder!");
+    while(1) {
+      vTaskDelay(1000 / portTICK_PERIOD_MS);
+    }
+  }
+  Serial.println("mDNS responder started");
+}
+
+void configModeCallback (WiFiManager *myWiFiManager) {
+  Serial.println("Entered config mode");
+  oledShowTopRow();
+  oledShowMessage("WiFi Config Mode");
+}
+
+void initWiFi() {
+  // load Wifi settings
+  wifiSettings();
+
+  wm.setAPCallback(configModeCallback);
+
+  wm.setSaveConfigCallback([]() {
+    Serial.println("Configurations updated");
+    ESP.restart();
+  });
 
   if(wm_nonblocking) wm.setConfigPortalBlocking(false);
-    wm.setConfigPortalTimeout(320); // Portal nach 5min schließen
+  //wm.setConfigPortalTimeout(320); // Portal nach 5min schließen
+  wm.setWiFiAutoReconnect(true);
+  wm.setConnectTimeout(5);
 
   oledShowTopRow();
   oledShowMessage("WiFi Setup");
   
-    bool res;
+  //bool res = wm.autoConnect("FilaMan"); // anonymous ap
-    // res = wm.autoConnect(); // auto generated AP name from chipid
+  if(!wm.autoConnect("FilaMan")) {
-    res = wm.autoConnect("FilaMan"); // anonymous ap
-    // res = wm.autoConnect("spoolman","password"); // password protected ap
-  
-    if(!res) {
     Serial.println("Failed to connect or hit timeout");
     // ESP.restart();
     oledShowTopRow();
@@ -51,5 +81,49 @@ void initWiFi() {
 
     oledShowTopRow();
     display.display();
+
+    vTaskDelay(500 / portTICK_PERIOD_MS);
+
+    // mDNS
+    startMDNS();
+  }
+}
+
+void checkWiFiConnection() {
+  if (WiFi.status() != WL_CONNECTED) 
+  {
+    Serial.println("WiFi connection lost. Reconnecting...");
+    wifiOn = false;
+    oledShowTopRow();
+    oledShowMessage("WiFi reconnecting");
+    WiFi.reconnect(); // Versuche, die Verbindung wiederherzustellen
+    vTaskDelay(5000 / portTICK_PERIOD_MS); // Warte 5 Sekunden, bevor erneut geprüft wird
+    if (WiFi.status() != WL_CONNECTED) 
+    {
+      Serial.println("Failed to reconnect. Restarting WiFi...");
+      WiFi.disconnect();
+      Serial.println("WiFi disconnected.");
+      vTaskDelay(1000 / portTICK_PERIOD_MS);
+      wifiErrorCounter++;
+
+      //wifiSettings();
+      WiFi.reconnect();
+      Serial.println("WiFi reconnecting...");
+      WiFi.waitForConnectResult();
+    } 
+    else 
+    {
+      Serial.println("WiFi reconnected.");
+      wifiErrorCounter = 0;
+      wifiOn = true;
+      oledShowTopRow();
+      startMDNS();
+    }
+  }
+
+  if (wifiErrorCounter >= 5) 
+  {
+    Serial.println("Too many WiFi errors. Restarting...");
+    ESP.restart();
   }
 }

src/wlan.h

@@ -4,5 +4,6 @@
 #include <Arduino.h>
 
 void initWiFi();
+void checkWiFiConnection();
 
 #endif