toolhead: change SET_VELOCITY_LIMIT respond (fixed) (#4620)

Returns only the current values if no new ones have been passed.

Signed-off-by: Stefan Dej <meteyou@gmail.com>

1 files changed, 19 insertions, 10 deletions

diff --git a/klippy/toolhead.py b/klippy/toolhead.py
index 155848be..db2d47f4 100644
--- a/klippy/toolhead.py
+++ b/klippy/toolhead.py
@@ -553,25 +553,34 @@ class ToolHead:
     cmd_SET_VELOCITY_LIMIT_help = "Set printer velocity limits"
     def cmd_SET_VELOCITY_LIMIT(self, gcmd):
         print_time = self.get_last_move_time()
-        max_velocity = gcmd.get_float('VELOCITY', self.max_velocity, above=0.)
-        max_accel = gcmd.get_float('ACCEL', self.max_accel, above=0.)
+        max_velocity = gcmd.get_float('VELOCITY', None, above=0.)
+        max_accel = gcmd.get_float('ACCEL', None, above=0.)
         square_corner_velocity = gcmd.get_float(
-            'SQUARE_CORNER_VELOCITY', self.square_corner_velocity, minval=0.)
-        self.requested_accel_to_decel = gcmd.get_float(
-            'ACCEL_TO_DECEL', self.requested_accel_to_decel, above=0.)
-        self.max_velocity = max_velocity
-        self.max_accel = max_accel
-        self.square_corner_velocity = square_corner_velocity
+            'SQUARE_CORNER_VELOCITY', None, minval=0.)
+        requested_accel_to_decel = gcmd.get_float(
+            'ACCEL_TO_DECEL', None, above=0.)
+        if max_velocity is not None:
+            self.max_velocity = max_velocity
+        if max_accel is not None:
+            self.max_accel = max_accel
+        if square_corner_velocity is not None:
+            self.square_corner_velocity = square_corner_velocity
+        if requested_accel_to_decel is not None:
+            self.requested_accel_to_decel = requested_accel_to_decel
         self._calc_junction_deviation()
         msg = ("max_velocity: %.6f\n"
                "max_accel: %.6f\n"
                "max_accel_to_decel: %.6f\n"
-               "square_corner_velocity: %.6f"% (
+               "square_corner_velocity: %.6f" % (
                    self.max_velocity, self.max_accel,
                    self.requested_accel_to_decel,
                    self.square_corner_velocity))
         self.printer.set_rollover_info("toolhead", "toolhead: %s" % (msg,))
-        gcmd.respond_info(msg, log=False)
+        if (max_velocity is None and
+            max_accel is None and
+            square_corner_velocity is None and
+            requested_accel_to_decel is None):
+            gcmd.respond_info(msg, log=False)
     def cmd_M204(self, gcmd):
         # Use S for accel
         accel = gcmd.get_float('S', None, above=0.)