gcode: Simplify exception handling

Translate caught exceptions into a gcode.error() exception.  This way
there is one standard place to invoke respond_error().  Also, always
reset the last_position on a handled error.

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

1 files changed, 5 insertions, 1 deletions

diff --git a/klippy/toolhead.py b/klippy/toolhead.py
index dde40e9b..3a73bb26 100644
--- a/klippy/toolhead.py
+++ b/klippy/toolhead.py
@@ -328,7 +328,11 @@ class ToolHead:
         if self.print_time > self.need_check_stall:
             self._check_stall()
     def home(self, homing_state):
-        self.kin.home(homing_state)
+        try:
+            self.kin.home(homing_state)
+        except homing.EndstopError as e:
+            self.motor_off()
+            raise
     def dwell(self, delay, check_stall=True):
         self.get_last_move_time()
         self.update_move_time(delay)