set homing mode during machine init

the get_machine_steps function now also checks for the $22 setting, that tells if the homing cycle is enabled.
this is saved in the state and used to choose the homing method in the home() function

dune_weaver_flask/modules/connection/connection_manager.py

@@ -257,6 +257,11 @@ def get_machine_steps(timeout=10):
                 elif line.startswith("$131="):
                     gear_ratio = float(line.split("=")[1])
                     state.gear_ratio = gear_ratio
+                elif line.startswith("$22="):
+                    # $22 reports if the homing cycle is enabled
+                    # returns 0 if disabled, 1 if enabled
+                    homing = int(line.split('=')[1])
+                    state.homing = homing
             
             # If all parameters are received, exit early
             if x_steps_per_mm is not None and y_steps_per_mm is not None and gear_ratio is not None:
@@ -277,14 +282,7 @@ def home():
     """
     Perform homing by checking device configuration and sending the appropriate commands.
     """
-    try:
-        state.conn.send("$config\n")
-        response = state.conn.readline().strip().lower()
-        logger.debug(f"Config response: {response}")
-    except Exception as e:
-        logger.error(f"Error during homing config: {e}")
-        response = ""
-    if "sensorless" in response:
+    if state.homing:
         logger.info("Using sensorless homing")
         state.conn.send("$H\n")
         state.conn.send("G1 Y0 F100\n")

dune_weaver_flask/modules/core/state.py

@@ -27,6 +27,8 @@ class AppState:
         self.x_steps_per_mm = 0.0
         self.y_steps_per_mm = 0.0
         self.gear_ratio = 10
+        # 0 for crash homing, 1 for auto homing
+        self.homing = 0
         
         self.STATE_FILE = "state.json"
         self.mqtt_handler = None  # Will be set by the MQTT handler
@@ -101,6 +103,7 @@ class AppState:
             "x_steps_per_mm": self.x_steps_per_mm,
             "y_steps_per_mm": self.y_steps_per_mm,
             "gear_ratio": self.gear_ratio,
+            "homing": self.homing,
             "current_playlist": self._current_playlist,
             "current_playlist_index": self.current_playlist_index,
             "playlist_mode": self.playlist_mode,
@@ -123,6 +126,7 @@ class AppState:
         self.x_steps_per_mm = data.get("x_steps_per_mm", 0.0)
         self.y_steps_per_mm = data.get("y_steps_per_mm", 0.0)
         self.gear_ratio = data.get('gear_ratio', 10)
+        self.homing = data.get('homing', 0)
         self._current_playlist = data.get("current_playlist")
         self.current_playlist_index = data.get("current_playlist_index")
         self.playlist_mode = data.get("playlist_mode")