homing: Catch the more generic CommandError during homing

Allow the low-level homing code to raise either a gcode.error or an
EndstopError during a fault.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/extras/manual_stepper.py

@@ -89,12 +89,12 @@ class ManualStepper:
         for mcu_endstop, name in endstops:
             try:
                 mcu_endstop.home_finalize()
-            except homing.EndstopError as e:
+            except homing.CommandError as e:
                 if error is None:
                     error = str(e)
         self.sync_print_time()
         if error is not None:
-            raise self.gcode.error(error)
+            raise homing.CommandError(error)
     cmd_MANUAL_STEPPER_help = "Command a manually configured stepper"
     def cmd_MANUAL_STEPPER(self, params):
         if 'ENABLE' in params:

klippy/homing.py

@@ -61,7 +61,7 @@ class Homing:
         error = None
         try:
             self.toolhead.move(movepos, speed)
-        except EndstopError as e:
+        except CommandError as e:
             error = "Error during homing move: %s" % (str(e),)
         # Wait for endstops to trigger
         move_end_print_time = self.toolhead.get_last_move_time()
@@ -80,11 +80,11 @@ class Homing:
         for mcu_endstop, name in endstops:
             try:
                 mcu_endstop.home_finalize()
-            except EndstopError as e:
+            except CommandError as e:
                 if error is None:
                     error = str(e)
         if error is not None:
-            raise EndstopError(error)
+            raise CommandError(error)
         # Check if some movement occurred
         if verify_movement:
             for s, name, pos in start_mcu_pos:
@@ -142,7 +142,7 @@ class Homing:
         self.changed_axes = axes
         try:
             self.toolhead.get_kinematics().home(self)
-        except EndstopError:
+        except CommandError:
             self.toolhead.motor_off()
             raise