toolhead: Do not apply main printer accel/velocity to extrude only moves

Limit speed and acceleration of extrude only moves to just the
max_extrude_only_velocity and max_extrude_only_accel config settings.

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

1 files changed, 5 insertions, 3 deletions

diff --git a/klippy/toolhead.py b/klippy/toolhead.py
index 440b88a1..458d5c51 100644
--- a/klippy/toolhead.py
+++ b/klippy/toolhead.py
@@ -17,6 +17,7 @@ class Move:
         self.start_pos = tuple(start_pos)
         self.end_pos = tuple(end_pos)
         self.accel = toolhead.max_accel
+        velocity = min(speed, toolhead.max_velocity)
         self.cmove = toolhead.cmove
         self.is_kinematic_move = True
         self.axes_d = axes_d = [end_pos[i] - start_pos[i] for i in (0, 1, 2, 3)]
@@ -27,13 +28,15 @@ class Move:
                             end_pos[3])
             axes_d[0] = axes_d[1] = axes_d[2] = 0.
             self.move_d = move_d = abs(axes_d[3])
+            self.accel = 99999999.9
+            velocity = speed
             self.is_kinematic_move = False
-        self.min_move_t = move_d / speed
+        self.min_move_t = move_d / velocity
         # Junction speeds are tracked in velocity squared.  The
         # delta_v2 is the maximum amount of this squared-velocity that
         # can change in this move.
         self.max_start_v2 = 0.
-        self.max_cruise_v2 = speed**2
+        self.max_cruise_v2 = velocity**2
         self.delta_v2 = 2.0 * move_d * self.accel
         self.max_smoothed_v2 = 0.
         self.smooth_delta_v2 = 2.0 * move_d * toolhead.max_accel_to_decel
@@ -344,7 +347,6 @@ class ToolHead:
         self.commanded_pos[:] = newpos
         self.kin.set_position(newpos, homing_axes)
     def move(self, newpos, speed):
-        speed = min(speed, self.max_velocity)
         move = Move(self, self.commanded_pos, newpos, speed)
         if not move.move_d:
             return