HallFilamentWidthSensor: Use current width instead of nomal width while delay is not over (#2907)

Option for using the current diameter instead of nominal while the first measurement isn't in place

Signed-off-by: Matthias Pabel <matthias.pabel@hs-augsburg.de>

config/example-extras.cfg

@@ -2016,6 +2016,8 @@
 #Virtual filament_switch_sensor support. Create sensor named hall_filament_width_sensor.
 #min_diameter:1.0
 #Minimal diameter for trigger virtual filament_switch_sensor.
+#use_current_dia_while_delay: False
+#   Use the current diameter instead of the nominal diamenter while the measurement delay has not run through.
 #Values from filament_switch_sensor.
 #See [filament_switch_sensor] for a description of these parameters.
 #pause_on_runout: True

docs/HallFilamentWidthSensor.md

@@ -52,6 +52,8 @@ Sensor generates two analog output based on calculated filament width. Sum of ou
     #
     #min_diameter:1.0
     #Minimal diameter for trigger virtual filament_switch_sensor.
+    #use_current_dia_while_delay: False
+    #   Use the current diameter instead of the nominal diamenter while the measurement delay has not run through.
     #
     #Values from filament_switch_sensor. See the "filament_switch_sensor" section for information on these parameters.
     #

klippy/extras/hall_filament_width_sensor.py

@@ -31,6 +31,8 @@ class HallFilamentWidthSensor:
         self.diameter =self.nominal_filament_dia
         self.is_active =config.getboolean('enable', False)
         self.runout_dia=config.getfloat('min_diameter', 1.0)
+        # Use the current diameter instead of nominal while the first measurement isn't in place
+        self.use_current_dia_while_delay = config.getboolean('use_current_dia_while_delay', False)
         # filament array [position, filamentWidth]
         self.filament_array = []
         self.lastFilamentWidthReading = 0
@@ -116,6 +118,11 @@ class HallFilamentWidthSensor:
                     # Get first item in filament_array queue
                     item = self.filament_array.pop(0)
                     filament_width = item[1]
+                elif self.use_current_dia_while_delay:
+                    filament_width = self.diameter
+                else:
+                    filament_width = self.nominal_filament_dia
+                
                 if ((filament_width <= self.max_diameter)
                     and (filament_width >= self.min_diameter)):
                     percentage = round(self.nominal_filament_dia**2