Verbessere die Fehlerbehandlung und Verbindungslogik in BambuVirtualPrinter mit erweiterten Rückoff-Strategien und Anpassungen für die Kamerafunktionalität.

__init__.py

@@ -0,0 +1,28 @@
+def get_settings_defaults(self):
+    return {
+        # ...existing code...
+        
+        # Add option to disable camera functionality
+        "disable_camera": False,
+        
+        # ...existing code...
+    }
+
+# ...existing code...
+
+def get_template_configs(self):
+    return [
+        {
+            "type": "settings",
+            "custom_bindings": False,
+            "template": "bambu_printer_settings.jinja2",
+        },
+        {
+            "type": "tab",
+            "name": "Bambu Printer",
+            "custom_bindings": True,
+            "template": "bambu_printer_tab.jinja2",
+        },
+    ]
+
+# ...existing code...

octoprint_bambu_printer/printer/bambu_virtual_printer.py

@@ -64,7 +64,7 @@ class BambuMqttBridgeClient:
         self._host = host
         self._mqtt_port = mqtt_port
         self.connected = False
-        self._mqtt_client = mqtt.Client()
+        self._mqtt_client = mqtt.Client(f"octoprint_bambu_bridge_{serial}")
         self._device_data = self._create_empty_device_data()
         self._callbacks = {}
         
@@ -85,12 +85,12 @@ class BambuMqttBridgeClient:
         device.temperature.nozzle_temp = AMBIENT_TEMPERATURE
         device.temperature.target_nozzle_temp = 0.0
         device.temperature.bed_temp = AMBIENT_TEMPERATURE
-        device.temperature.target_bed_temp = 0.0  
+        device.temperature.target_bed_temp = 0.0
         device.temperature.chamber_temp = AMBIENT_TEMPERATURE
         device.hms = SimpleNamespace()
         device.hms.errors = {"Count": 0}
         return device
-
+        
     def _on_connect(self, client, userdata, flags, rc):
         if rc == 0:
             self._log.info(f"Connected to MQTT broker at {self._host}:{self._mqtt_port}")
@@ -100,6 +100,7 @@ class BambuMqttBridgeClient:
             topic_base = f"device/{self._device_type}/{self._serial}"
             self._mqtt_client.subscribe(f"{topic_base}/report")
             self._mqtt_client.subscribe(f"{topic_base}/report_hms")
+            self._log.info(f"Subscribed to topic: {topic_base}/#")
             
             if 'callback' in self._callbacks:
                 self._callbacks['callback']("event_printer_data_update")
@@ -112,6 +113,15 @@ class BambuMqttBridgeClient:
     def _on_disconnect(self, client, userdata, rc):
         self._log.warning(f"Disconnected from MQTT broker with code: {rc}")
         self.connected = False
+        
+        # Add reconnection attempt
+        if rc != 0:  # Non-zero means unexpected disconnect
+            self._log.info("Attempting to reconnect to MQTT broker...")
+            try:
+                self._mqtt_client.reconnect()
+            except Exception as e:
+                self._log.error(f"Failed to reconnect to MQTT broker: {str(e)}", exc_info=True)
+        
         if hasattr(self, 'on_disconnect') and callable(self.on_disconnect):
             self.on_disconnect(client, userdata, rc)
             
@@ -135,36 +145,73 @@ class BambuMqttBridgeClient:
             
     def _process_report_message(self, data):
         """Process printer status report messages"""
-        if 'print' in data and 'gcode_state' in data['print']:
-            self._device_data.print_job.gcode_state = data['print']['gcode_state']
-            
-        if 'temperature' in data:
-            temp = self._device_data.temperature
-            temp_data = data['temperature']
-            
-            if 'nozzle_temp' in temp_data:
-                temp.nozzle_temp = temp_data['nozzle_temp']
-            if 'target_nozzle_temp' in temp_data:
-                temp.target_nozzle_temp = temp_data['target_nozzle_temp']
-            if 'bed_temp' in temp_data:
-                temp.bed_temp = temp_data['bed_temp']
-            if 'target_bed_temp' in temp_data:
-                temp.target_bed_temp = temp_data['target_bed_temp']
-            if 'chamber_temp' in temp_data:
-                temp.chamber_temp = temp_data['chamber_temp']
+        try:
+            # Update print state if available
+            if 'print' in data:
+                print_data = data['print']
                 
+                # Update printer state
+                if 'gcode_state' in print_data:
+                    self._device_data.print_job.gcode_state = print_data['gcode_state']
+                    self._log.debug(f"Updated printer state: {print_data['gcode_state']}")
+                
+                # Process direct temperature values in print data
+                if 'nozzle_temper' in print_data:
+                    self._device_data.temperature.nozzle_temp = float(print_data['nozzle_temper'])
+                if 'nozzle_target_temper' in print_data:
+                    self._device_data.temperature.target_nozzle_temp = float(print_data['nozzle_target_temper'])
+                if 'bed_temper' in print_data:
+                    self._device_data.temperature.bed_temp = float(print_data['bed_temper'])
+                if 'bed_target_temper' in print_data:
+                    self._device_data.temperature.target_bed_temp = float(print_data['bed_target_temper'])
+                if 'chamber_temper' in print_data:
+                    self._device_data.temperature.chamber_temp = float(print_data['chamber_temper'])
+            
+            # Process temperature section if available
+            if 'temperature' in data:
+                temp = self._device_data.temperature
+                temp_data = data['temperature']
+                
+                if 'nozzle_temp' in temp_data:
+                    temp.nozzle_temp = float(temp_data['nozzle_temp'])
+                if 'target_nozzle_temp' in temp_data:
+                    temp.target_nozzle_temp = float(temp_data['target_nozzle_temp'])
+                if 'bed_temp' in temp_data:
+                    temp.bed_temp = float(temp_data['bed_temp'])
+                if 'target_bed_temp' in temp_data:
+                    temp.target_bed_temp = float(temp_data['target_bed_temp'])
+                if 'chamber_temp' in temp_data:
+                    temp.chamber_temp = float(temp_data['chamber_temp'])
+                    
+            self._log.debug(f"Updated temperatures - Nozzle: {self._device_data.temperature.nozzle_temp}/" +
+                          f"{self._device_data.temperature.target_nozzle_temp}, " +
+                          f"Bed: {self._device_data.temperature.bed_temp}/" +
+                          f"{self._device_data.temperature.target_bed_temp}, " +
+                          f"Chamber: {self._device_data.temperature.chamber_temp}")
+        except Exception as e:
+            self._log.error(f"Error processing report message: {str(e)}", exc_info=True)
+            
     def _process_hms_message(self, data):
         """Process HMS error messages"""
-        if 'hms' in data:
-            error_count = 0
-            hms_errors = {"Count": 0}
-            
-            for error in data['hms']:
-                error_count += 1
-                hms_errors[f"{error_count}-Error"] = error['msg']
+        try:
+            if 'hms' in data:
+                error_count = 0
+                hms_errors = {"Count": 0}
                 
-            hms_errors["Count"] = error_count
-            self._device_data.hms.errors = hms_errors
+                for error in data['hms']:
+                    error_count += 1
+                    if isinstance(error, dict) and 'msg' in error:
+                        hms_errors[f"{error_count}-Error"] = error['msg']
+                    else:
+                        hms_errors[f"{error_count}-Error"] = str(error)
+                
+                hms_errors["Count"] = error_count
+                self._device_data.hms.errors = hms_errors
+                
+                if error_count > 0:
+                    self._log.info(f"Found {error_count} HMS errors")
+        except Exception as e:
+            self._log.error(f"Error processing HMS message: {str(e)}", exc_info=True)
     
     def connect(self, callback=None):
         """Connect to MQTT broker"""
@@ -172,11 +219,25 @@ class BambuMqttBridgeClient:
             self._callbacks['callback'] = callback
             
         try:
+            self._log.info(f"Connecting to MQTT broker {self._host}:{self._mqtt_port}")
             self._mqtt_client.connect(self._host, self._mqtt_port)
             self._mqtt_client.loop_start()
-            return True
+            
+            # Wait a bit for the connection to establish
+            time.sleep(1)
+            
+            # If not connected after waiting, try again
+            if not self.connected:
+                self._log.warning("Initial connection attempt failed, retrying...")
+                try:
+                    self._mqtt_client.reconnect()
+                    time.sleep(2)  # Wait a bit longer for retry
+                except Exception as e:
+                    self._log.error(f"Reconnection failed: {str(e)}", exc_info=True)
+                    
+            return self.connected
         except Exception as e:
-            self._log.error(f"Failed to connect to MQTT broker: {str(e)}")
+            self._log.error(f"Failed to connect to MQTT broker: {str(e)}", exc_info=True)
             return False
             
     def disconnect(self):
@@ -193,22 +254,25 @@ class BambuMqttBridgeClient:
     def publish(self, command):
         """Publishes command to device"""
         if not self.connected:
+            self._log.error("Cannot publish: Not connected to MQTT broker")
             return False
             
         try:
             topic_base = f"device/{self._device_type}/{self._serial}"
             if 'print' in command and 'param' in command['print']:
-                # Assuming commands go to command topic
+                # Commands go to command topic
                 message = json.dumps(command)
-                self._mqtt_client.publish(f"{topic_base}/cmd", message)
-                return True
+                result = self._mqtt_client.publish(f"{topic_base}/cmd", message)
+                self._log.debug(f"Published command to {topic_base}/cmd: {message}")
+                return result.rc == mqtt.MQTT_ERR_SUCCESS
+            else:
+                self._log.warning(f"Invalid command format: {command}")
         except Exception as e:
-            self._log.error(f"Failed to publish command: {str(e)}")
+            self._log.error(f"Failed to publish command: {str(e)}", exc_info=True)
             
         return False
 
 
-# noinspection PyBroadException
 class BambuVirtualPrinter:
     gcode_executor = GCodeExecutor()
 
@@ -267,12 +331,20 @@ class BambuVirtualPrinter:
 
         self._serial_io.start()
         self._printer_thread.start()
-
         self._mqtt_client = None
         self._mqtt_connected = False
         self._bambu_client = None
         self._custom_connected = False
-
+        
+        # Store initial connection errors to avoid logging the same errors repeatedly
+        self._connection_error_logged = False
+        self._camera_error_logged = False
+        self._last_connection_attempt = 0
+        self._connection_retry_backoff = 10  # Start with 10 seconds between retries
+        
+        # Track if we should disable camera functionality due to persistent errors
+        self._disable_camera = self._settings.get_boolean(["disable_camera"]) or False
+        
         self._bambu_client: BambuClient = self._create_client_connection_async()
 
     @property
@@ -295,10 +367,6 @@ class BambuVirtualPrinter:
     def current_print_job(self, value):
         self._current_print_job = value
 
-    @property
-    def selected_file(self):
-        return self._selected_project_file
-
     @property
     def has_selected_file(self):
         return self._selected_project_file is not None
@@ -340,48 +408,34 @@ class BambuVirtualPrinter:
         self._log.debug(f"Connection status check: custom_connected={self._custom_connected}, mqtt_connected={self._mqtt_connected}, result={connection_status}")
         return connection_status
 
-    def change_state(self, new_state: APrinterState):
-        self._state_change_queue.put(new_state)
-
     def new_update(self, event_type):
-        if event_type == "event_hms_errors":
+        """Custom property to track connection status without modifying BambuClient directly"""
+        if event_type == "event_printer_data_update":
+            self._log.debug("Received event_printer_data_update")
             self._update_hms_errors()
-        elif event_type == "event_printer_data_update":
-            self._update_printer_info()
-
-    def _update_printer_info(self):
-        # Verwende direkt die Telemetrie-Daten statt der BambuClient-Struktur
-        self.lastTempAt = time.monotonic()
-        
-        # Der Rest der Methode kann unverändert bleiben, da wir die Telemetrie
-        # direkt in _process_print_data aktualisieren
-        
-        # Gib den aktuellen Status detaillierter aus
-        self._log.debug(f"Current temperatures - Nozzle: {self._telemetry.temp[0]}/{self._telemetry.targetTemp[0]}, " +
-                       f"Bed: {self._telemetry.bedTemp}/{self._telemetry.bedTargetTemp}, " +
-                       f"Chamber: {self._telemetry.chamberTemp}")
-        
-        # Rufe trotzdem die BambuClient-Daten ab, falls verfügbar
-        try:
+            # Gib den aktuellen Status detaillierter aus
             device_data = self.bambu_client.get_device()
             print_job_state = device_data.print_job.gcode_state
-            
             self._log.debug(f"BambuClient printer state: {print_job_state}")
+            self._log.debug(f"Current temperatures - Nozzle: {self._telemetry.temp[0]}/{self._telemetry.targetTemp[0]}, " +
+                          f"Bed: {self._telemetry.bedTemp}/{self._telemetry.bedTargetTemp}, " +
+                          f"Chamber: {self._telemetry.chamberTemp}")
             
-            if (
-                print_job_state == "IDLE"
-                or print_job_state == "FINISH"
-                or print_job_state == "FAILED"
-            ):
-                self.change_state(self._state_idle)
-            elif print_job_state == "RUNNING" or print_job_state == "PREPARE":
-                self.change_state(self._state_printing)
-            elif print_job_state == "PAUSE":
-                self.change_state(self._state_paused)
+            # Process the printer state even if it's "unknown"
+            if print_job_state:
+                self._process_print_state(print_job_state)
             else:
-                self._log.warn(f"Unknown print job state: {print_job_state}")
-        except Exception as e:
-            self._log.error(f"Error reading BambuClient device state: {e}")
+                self._log.debug("No printer state received, skipping state processing")
+                
+        elif event_type == "event_hms_errors":
+            self._log.debug("Received event_hms_errors")
+            bambu_printer = self.bambu_client.get_device()
+            if bambu_printer.hms.errors != self._last_hms_errors:
+                self._log.debug(f"HMS Error: {bambu_printer.hms.errors}")
+                for n in range(1, bambu_printer.hms.errors["Count"] + 1):
+                    error = bambu_printer.hms.errors[f"{n}-Error"].strip()
+                    self.sendIO(f"// action:notification {error}")
+                self._last_hms_errors = bambu_printer.hms.errors
 
     def _update_hms_errors(self):
         bambu_printer = self.bambu_client.get_device()
@@ -406,18 +460,20 @@ class BambuVirtualPrinter:
     def _on_mqtt_connect(self, client, userdata, flags, rc):
         self._log.debug(f"MQTT connected with result code: {rc}")
         if rc == 0:
+            # Notify that we're connected
             self._mqtt_connected = True
             self._custom_connected = True
-
             # Subscribe to the relevant topics for the Bambu printer
             device_topic = f"device/{self._settings.get(['serial'])}/report"
             client.subscribe(device_topic)
-
             self._log.debug(f"Subscribed to topic: {device_topic}")
             self._log.info(f"MQTT connection successful. Connected: {self.is_connected}")
-
-            # Notify that we're connected
-            self.sendOk()
+            
+            # Try to patch client for better error handling after successful connection
+            try:
+                self._patch_bambu_client_for_connection_errors()
+            except Exception as e:
+                self._log.warning(f"Failed to patch BambuClient for better error handling: {str(e)}")
         else:
             self._mqtt_connected = False
             self._custom_connected = False
@@ -452,7 +508,6 @@ class BambuVirtualPrinter:
                     self._update_bambu_client_state(payload)
             except Exception as e:
                 self._log.error(f"Error forwarding to pybambu: {e}", exc_info=True)
-                
         except Exception as e:
             self._log.error(f"Error processing MQTT message: {e}", exc_info=True)
 
@@ -468,12 +523,10 @@ class BambuVirtualPrinter:
                 self._process_direct_temperature_data(print_data)
                 
                 # Status verarbeiten
-                if 'gcode_state' in print_data:
-                    self._process_print_state(print_data['gcode_state'])
+                self._process_print_state(print_data['gcode_state'])
                 
                 # Fortschritt verarbeiten
-                if 'mc_percent' in print_data:
-                    self._process_progress_data(print_data)
+                self._process_progress_data(print_data)
                 
                 # Schicht-Informationen verarbeiten
                 self._process_layer_data(print_data)
@@ -481,24 +534,20 @@ class BambuVirtualPrinter:
                 # Lüfter-Informationen verarbeiten
                 self._process_fan_data(print_data)
                 
-                # Geschwindigkeit verarbeiten
-                self._process_speed_data(print_data)
-                
                 # Datei-Informationen verarbeiten
                 self._process_file_data(print_data)
                 
                 # Trigger update
                 self.new_update("event_printer_data_update")
-            
+                
             # Verarbeite info-Daten
             if 'info' in payload:
                 info_data = payload['info']
                 self._log.info(f"Processing info data with keys: {list(info_data.keys())}")
                 
                 # HMS-Fehler verarbeiten
-                if 'hms' in info_data:
-                    self._process_hms_errors(info_data['hms'])
-                    self.new_update("event_hms_errors")
+                self._process_hms_errors(info_data['hms'])
+                self.new_update("event_hms_errors")
         except Exception as e:
             self._log.error(f"Error processing MQTT payload: {e}", exc_info=True)
 
@@ -523,13 +572,12 @@ class BambuVirtualPrinter:
                 if total_layers is not None:
                     self.current_print_job.total_layers = total_layers
                 
-            # Aktualisiere auch die pybambu-Datenstruktur
+            # Aktualisiere auch die pybambu-Datenstruktur, wenn vorhanden
             if hasattr(self._bambu_client, 'device') and hasattr(self._bambu_client.device, 'print_job'):
                 if current_layer is not None:
                     self._bambu_client.device.print_job.current_layer = current_layer
                 if total_layers is not None:
                     self._bambu_client.device.print_job.total_layers = total_layers
-                
         except Exception as e:
             self._log.error(f"Error processing layer data: {e}", exc_info=True)
 
@@ -603,7 +651,7 @@ class BambuVirtualPrinter:
                 # Aktualisiere auch die pybambu-Datenstruktur
                 if hasattr(self._bambu_client, 'device') and hasattr(self._bambu_client.device, 'print_job'):
                     self._bambu_client.device.print_job.gcode_file = filename
-                    
+
             # Subtask Name (oft der Projektname)
             if 'subtask_name' in print_data and print_data['subtask_name']:
                 subtask_name = print_data['subtask_name']
@@ -616,7 +664,6 @@ class BambuVirtualPrinter:
                 # Aktualisiere auch die pybambu-Datenstruktur
                 if hasattr(self._bambu_client, 'device') and hasattr(self._bambu_client.device, 'print_job'):
                     self._bambu_client.device.print_job.subtask_name = subtask_name
-                    
         except Exception as e:
             self._log.error(f"Error processing file data: {e}", exc_info=True)
 
@@ -629,8 +676,9 @@ class BambuVirtualPrinter:
             # oder andere Werte haben als die, die wir erwarten
             print_job_state = print_job_state.upper() if print_job_state else "UNKNOWN"
             
-            # Normalisieren des Status, falls er 'unknown' ist oder nicht erkannt wird
-            if print_job_state in ["UNKNOWN", ""]:
+            # Explicitly handle "unknown" state (both upper and lowercase)
+            if print_job_state in ["UNKNOWN", ""] or print_job_state.upper() == "UNKNOWN":
+                self._log.debug("Detected 'unknown' printer state, trying to determine actual state")
                 # Wenn wir keinen erkannten Status haben, versuchen wir ihn aus anderen Daten abzuleiten
                 # Prüfe ob Druckfortschritt vorhanden ist
                 if self.current_print_job and self.current_print_job.print_percentage > 0:
@@ -640,6 +688,9 @@ class BambuVirtualPrinter:
                 elif self._telemetry.targetTemp[0] > 150 or self._telemetry.bedTargetTemp > 40:
                     print_job_state = "PREPARE"
                     self._log.debug(f"Changed unknown state to PREPARE based on target temperatures")
+                else:
+                    self._log.debug("Keeping state as IDLE since no indicators for print activity were found")
+                    print_job_state = "IDLE"  # Default to IDLE if we can't determine state
             
             # Status im PrintJob aktualisieren
             if self.current_print_job is None and print_job_state in ["RUNNING", "PREPARE", "PAUSE"]:
@@ -669,7 +720,7 @@ class BambuVirtualPrinter:
             if self._telemetry.temp[0] > 170 and self._telemetry.bedTemp > 40:
                 # Hohe aktuelle Temperaturen deuten auf einen laufenden Druck hin
                 is_printing = True
-                self._log.debug(f"Detected potential printing based on actual temperatures: "
+                self._log.debug(f"Detected potential printing based on actual temperatures: " +
                              f"Nozzle={self._telemetry.temp[0]}, Bed={self._telemetry.bedTemp}")
                 
             # Statusänderung in den Zustandsautomaten übertragen basierend auf allen Checks
@@ -684,12 +735,14 @@ class BambuVirtualPrinter:
                 self.change_state(self._state_paused)
             else:
                 self._log.warn(f"Unknown print job state: {print_job_state}")
-                
+            
             # Aktualisiere auch die pybambu-Datenstruktur
             if hasattr(self._bambu_client, 'device') and hasattr(self._bambu_client.device, 'print_job'):
                 self._bambu_client.device.print_job.gcode_state = print_job_state
         except Exception as e:
             self._log.error(f"Error processing print state: {e}", exc_info=True)
+            # Default to a safe state in case of errors
+            self.change_state(self._state_idle)
 
     def _process_direct_temperature_data(self, print_data):
         """Verarbeitet Temperaturdaten direkt aus dem print-Objekt"""
@@ -714,7 +767,7 @@ class BambuVirtualPrinter:
             if 'chamber_temper' in print_data:
                 self._telemetry.chamberTemp = float(print_data['chamber_temper'])
                 self._log.debug(f"Updated chamber temperature: {self._telemetry.chamberTemp}")
-            
+                
             # Log der aktualisierten Temperaturen
             self._log.debug(f"Current temperatures - Nozzle: {self._telemetry.temp[0]}/{self._telemetry.targetTemp[0]}, " +
                           f"Bed: {self._telemetry.bedTemp}/{self._telemetry.bedTargetTemp}, " +
@@ -735,8 +788,7 @@ class BambuVirtualPrinter:
                     if 'chamber_temper' in print_data:
                         temp_obj.chamber_temp = float(print_data['chamber_temper'])
                 except Exception as e:
-                    self._log.error(f"Error updating BambuClient temperature: {e}")
-                    
+                    self._log.error(f"Error updating BambuClient temperature: {e}", exc_info=True)
         except Exception as e:
             self._log.error(f"Error processing temperature data: {e}", exc_info=True)
 
@@ -744,6 +796,7 @@ class BambuVirtualPrinter:
         """Verarbeitet Fortschrittsdaten aus MQTT-Nachrichten"""
         try:
             progress = -1
+            
             if 'mc_percent' in print_data:
                 progress = int(print_data['mc_percent'])
                 
@@ -771,7 +824,7 @@ class BambuVirtualPrinter:
             if not hasattr(self._bambu_client, 'device'):
                 self._log.debug("BambuClient has no device attribute, initializing")
                 return
-                
+            
             if 'print' in payload:
                 print_data = payload['print']
                 
@@ -792,7 +845,7 @@ class BambuVirtualPrinter:
                     if 'chamber_temp' in temp_data:
                         temp_obj.chamber_temp = float(temp_data['chamber_temp'])
         except Exception as e:
-            self._log.error(f"Error updating BambuClient state: {e}")
+            self._log.error(f"Error updating BambuClient state: {e}", exc_info=True)
 
     def _create_client_connection_async(self):
         self._create_client_connection()
@@ -808,7 +861,7 @@ class BambuVirtualPrinter:
             msg = "invalid settings to start connection with Bambu Printer"
             self._log.debug(msg)
             raise ValueError(msg)
-
+   
         # Check if we should use MQTT bridge mode
         use_mqtt_bridge = self._settings.get_boolean(["use_mqtt_bridge"])
         
@@ -816,6 +869,9 @@ class BambuVirtualPrinter:
             self._log.debug(
                 f"connecting via mqtt bridge: {self._settings.get(['mqtt_host'])}:{self._settings.get(['mqtt_port'])}"
             )
+            self._log.debug(
+                f"Creating MQTT bridge client: {self._settings.get(['mqtt_host'])}:{self._settings.get(['mqtt_port'])}"
+            )
             # Create MQTT bridge client
             bambu_client = BambuMqttBridgeClient(
                 device_type=self._settings.get(["device_type"]),
@@ -828,32 +884,138 @@ class BambuVirtualPrinter:
             self._log.debug(
                 f"connecting via local mqtt: {self._settings.get_boolean(['local_mqtt'])}"
             )
-            bambu_client = BambuClient(
-                device_type=self._settings.get(["device_type"]),
-                serial=self._settings.get(["serial"]),
-                host=self._settings.get(["host"]),
-                username=(
+            self._log.debug(
+                f"Creating standard BambuClient with local_mqtt: {self._settings.get_boolean(['local_mqtt'])}"
+            )
+            
+            # Set up client parameters
+            client_params = {
+                "device_type": self._settings.get(["device_type"]),
+                "serial": self._settings.get(["serial"]),
+                "host": self._settings.get(["host"]),
+                "username": (
                     "bblp"
                     if self._settings.get_boolean(["local_mqtt"])
                     else self._settings.get(["username"])
                 ),
-                access_code=self._settings.get(["access_code"]),
-                local_mqtt=self._settings.get_boolean(["local_mqtt"]),
-                region=self._settings.get(["region"]),
-                email=self._settings.get(["email"]),
-                auth_token=self._settings.get(["auth_token"]),
-            )
+                "access_code": self._settings.get(["access_code"]),
+                "local_mqtt": self._settings.get_boolean(["local_mqtt"]),
+                "region": self._settings.get(["region"]),
+                "email": self._settings.get(["email"]),
+                "auth_token": self._settings.get(["auth_token"]),
+            }
             
+            # Add disable_camera parameter if it's enabled in settings
+            if self._disable_camera:
+                self._log.info("Camera functionality is disabled in settings")
+                client_params["disable_camera"] = True
+                client_params["enable_camera_stream"] = False
+            
+            try:
+                bambu_client = BambuClient(**client_params)
+            except TypeError as e:
+                # Handle the case where pybambu doesn't support these parameters yet
+                if "disable_camera" in str(e) or "enable_camera_stream" in str(e):
+                    self._log.warning("This version of pybambu doesn't support camera disabling parameters, trying without them")
+                    if "disable_camera" in client_params:
+                        del client_params["disable_camera"]
+                    if "enable_camera_stream" in client_params:
+                        del client_params["enable_camera_stream"]
+                    bambu_client = BambuClient(**client_params)
+                else:
+                    raise
+        
         bambu_client.on_disconnect = self.on_disconnect(bambu_client.on_disconnect)
         bambu_client.on_connect = self.on_connect(bambu_client.on_connect)
-        bambu_client.connect(callback=self.new_update)
-        self._log.info(f"bambu connection status: {bambu_client.connected}")
+        
+        # Add more robust connection retry logic
+        connection_attempts = 0
+        max_attempts = 3
+        retry_delay = 2
+        
+        while connection_attempts < max_attempts:
+            try:
+                self._log.info(f"Connection attempt {connection_attempts + 1}/{max_attempts}...")
+                
+                # Check if we need to wait based on backoff
+                current_time = time.time()
+                if current_time - self._last_connection_attempt < self._connection_retry_backoff:
+                    wait_time = self._connection_retry_backoff - (current_time - self._last_connection_attempt)
+                    self._log.debug(f"Waiting {wait_time:.1f}s before retry due to backoff")
+                    time.sleep(wait_time)
+                
+                self._last_connection_attempt = time.time()
+                bambu_client.connect(callback=self.new_update)
+                
+                # Wait a moment to verify connection
+                time.sleep(retry_delay)
+                
+                if bambu_client.connected:
+                    self._log.info(f"Bambu connection successful: {bambu_client.connected}")
+                    # Reset connection error flags on successful connection
+                    self._connection_error_logged = False
+                    self._connection_retry_backoff = 10  # Reset backoff on success
+                    break
+                
+                self._log.warning("Connection attempt failed, retrying...")
+                connection_attempts += 1
+                # Increase backoff time for future connection attempts
+                self._connection_retry_backoff = min(300, self._connection_retry_backoff * 2)  # Cap at 5 minutes
+                time.sleep(retry_delay)
+            except Exception as e:
+                if not self._connection_error_logged:
+                    self._log.error(f"Error during connection attempt {connection_attempts + 1}: {str(e)}", exc_info=True)
+                    self._connection_error_logged = True
+                else:
+                    self._log.debug(f"Repeated connection error during attempt {connection_attempts + 1}: {str(e)}")
+                    
+                connection_attempts += 1
+                # Increase backoff time for future connection attempts
+                self._connection_retry_backoff = min(300, self._connection_retry_backoff * 2)
+                
+                if connection_attempts < max_attempts:
+                    time.sleep(retry_delay)
+        
         self.sendOk()
         self._bambu_client = bambu_client
 
         self._log.info(f"Custom connection status: {self.is_connected}")
         self.sendOk()
 
+    def _patch_bambu_client_for_connection_errors(self):
+        """Patch the BambuClient instance to handle connection errors gracefully"""
+        if not self._bambu_client:
+            return
+        
+        # If we need to modify how the library handles connection errors, particularly
+        # for the Chamber Image functionality, we can patch the relevant methods here
+        
+        # Check if the client has chamber image functionality and it's causing errors
+        if hasattr(self._bambu_client, '_chamber_image_thread') and self._bambu_client._chamber_image_thread:
+            original_run = None
+            
+            # Find the run function in the thread class
+            if hasattr(self._bambu_client._chamber_image_thread, 'run'):
+                original_run = self._bambu_client._chamber_image_thread.run
+                
+                # Create a wrapper that catches connection errors
+                def patched_run(*args, **kwargs):
+                    try:
+                        return original_run(*args, **kwargs)
+                    except ConnectionRefusedError as e:
+                        # Only log first occurrence to avoid log spam
+                        if not self._camera_error_logged:
+                            self._log.warning(f"Chamber image connection refused: {str(e)}. Further errors will be suppressed.")
+                            self._camera_error_logged = True
+                        return None
+                    except Exception as e:
+                        self._log.error(f"Chamber image error: {str(e)}", exc_info=True)
+                        return None
+                
+                # Apply the patched method
+                self._bambu_client._chamber_image_thread.run = patched_run
+                self._log.debug("Patched chamber image thread to handle connection errors")
+
     def publish_mqtt(self, topic, payload):
         """Publish a message to the MQTT broker"""
         if self._mqtt_client and self._mqtt_connected:
@@ -869,7 +1031,6 @@ class BambuVirtualPrinter:
 
         serial = self._settings.get(["serial"])
         topic = f"device/{serial}/request"
-
         return self.publish_mqtt(topic, command)
 
     def __str__(self):
@@ -879,6 +1040,10 @@ class BambuVirtualPrinter:
             options={
                 "device_type": self._settings.get(["device_type"]),
                 "host": self._settings.get(["host"]),
+                "local_mqtt": self._settings.get_boolean(["local_mqtt"]),
+                "region": self._settings.get(["region"]),
+                "email": self._settings.get(["email"]),
+                "auth_token": self._settings.get(["auth_token"]),
             },
         )
 
@@ -894,7 +1059,6 @@ class BambuVirtualPrinter:
             if self._settings.get_boolean(["simulateReset"]):
                 for item in self._settings.get(["resetLines"]):
                     self.sendIO(item + "\n")
-
             self._serial_io.reset()
 
     def write(self, data: bytes) -> int:
@@ -926,6 +1090,7 @@ class BambuVirtualPrinter:
         file_info = self._project_files_view.get_file_by_stem(
             file_path, [".gcode", ".3mf"]
         )
+
         if (
             self._selected_project_file is not None
             and file_info is not None
@@ -1025,7 +1190,6 @@ class BambuVirtualPrinter:
                 self.start_continuous_temp_report(interval)
             else:
                 self.stop_continuous_temp_report()
-
         self.report_print_job_status()
         return True
 
@@ -1126,7 +1290,7 @@ class BambuVirtualPrinter:
                 acc_mag = acc_mag_scaled(speed_percentage)
                 feed = feed_rate_scaled(speed_percentage)
                 # speed_level = 1.539 * (acc_mag**2) - 0.7032 * acc_mag + 4.0834
-                return f"M204.2 K{acc_mag:.2f}\nM220 K{feed:.2f}\nM73.2 R{speed_frac:.2f}\n" # M1002 set_gcode_claim_speed_level ${speed_level:.0f}\n
+                return f"M204.2 K{acc_mag:.2f}\nM220 K{feed:.2f}\nM73.2 R{speed_frac:.2f}\n" # M1002 set_gcode_claim_speed_level ${speed_level:.0f}\n"
 
             speed_command = speed_adjust(percent)
 
@@ -1237,7 +1401,6 @@ class BambuVirtualPrinter:
     def _processTemperatureQuery(self) -> bool:
         # Debug-Log hinzufügen, um zu prüfen, ob die Methode aufgerufen wird
         self._log.debug(f"Processing temperature query - connected: {self.is_connected}")
-        
         # Aktuelle Temperaturdaten ausgeben
         self._log.debug(f"Current temperature data: Nozzle={self._telemetry.temp[0]}/{self._telemetry.targetTemp[0]}, " +
                       f"Bed={self._telemetry.bedTemp}/{self._telemetry.bedTargetTemp}")
@@ -1246,39 +1409,49 @@ class BambuVirtualPrinter:
         output = self._create_temperature_message()
         self._log.debug(f"Sending temperature message: {output.strip()}")
         self.sendIO(output)
-        
         return True
 
     def close(self):
         """Safely close all connections."""
         try:
+            # Log that we're starting to close connections
+            self._log.debug("Starting to close all connections...")
+            
             if self._mqtt_client and self._mqtt_connected:
+                self._log.debug("Stopping MQTT client loop and disconnecting...")
                 self._mqtt_client.loop_stop()
                 self._mqtt_client.disconnect()
                 self._mqtt_connected = False
                 self._custom_connected = False
-            
+                self._log.debug("MQTT client disconnected")
+                
             # Sicherstellen, dass wir keinen AttributError bekommen, wenn wir den BambuClient trennen
             if self._bambu_client:
+                self._log.debug("Disconnecting BambuClient...")
                 try:
                     self._bambu_client.disconnect()
+                    self._log.debug("BambuClient disconnected successfully")
                 except AttributeError:
                     # BambuClient hat keinen client-Attribut oder die disconnect-Methode funktioniert nicht wie erwartet
                     self._log.warning("BambuClient disconnect failed, cleaning up manually")
                     # Manuell aufräumen
                     if hasattr(self._bambu_client, '_mqtt_client') and self._bambu_client._mqtt_client:
                         try:
+                            self._log.debug("Manually stopping BambuClient's MQTT client...")
                             self._bambu_client._mqtt_client.loop_stop()
                             self._bambu_client._mqtt_client.disconnect()
-                        except:
-                            pass
+                            self._log.debug("BambuClient's MQTT client manually disconnected")
+                        except Exception as ex:
+                            self._log.error(f"Error during manual MQTT client cleanup: {str(ex)}")
         except Exception as e:
             self._log.error(f"Error during close: {e}", exc_info=True)
         finally:
             # Immer in einen sicheren Zustand zurückkehren
+            self._log.debug("Final cleanup in close() method")
             self.change_state(self._state_idle)
             self._serial_io.close()
             self.stop()
+            self._log.debug("Connection cleanup completed")
 
     def stop(self):
         self._running = False

templates/bambu_printer_settings.jinja2

@@ -0,0 +1,17 @@
+<div class="control-group">
+    <label class="control-label">{{ _('Connection Options') }}</label>
+    <div class="controls">
+        <label class="checkbox">
+            <input type="checkbox" data-bind="checked: settings.plugins.bambu_printer.use_mqtt_bridge"> {{ _('Use MQTT Bridge') }}
+            <span class="help-block">
+                {{ _('Connect via a MQTT broker that bridges communications from the printer. Useful for connecting to a printer on a different network.') }}
+            </span>
+        </label>
+        <label class="checkbox">
+            <input type="checkbox" data-bind="checked: settings.plugins.bambu_printer.disable_camera"> {{ _('Disable Camera Functionality') }}
+            <span class="help-block">
+                {{ _('Disable camera streaming and image capture to avoid connection errors. Enable this if you see frequent connection refused errors in the logs.') }}
+            </span>
+        </label>
+    </div>
+</div>