Fix extraneous Linear Advance DIR change (#20131)

4 years ago · a97a1ae218
parent a6ff61d52e
commit a97a1ae218
1 changed files with 2 additions and 1 deletions
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@ -2255,7 +2255,6 @@ uint32_t Stepper::block_phase_isr() {
        interval = LA_isr_rate;
      }
      else if (step_events_completed < decelerate_after && LA_current_adv_steps < LA_max_adv_steps) {
-             //step_events_completed <= (uint32_t)accelerate_until) {
        LA_steps++;
        LA_current_adv_steps++;
        interval = LA_isr_rate;
@ -2266,6 +2265,8 @@ uint32_t Stepper::block_phase_isr() {
    else
      interval = LA_ADV_NEVER;

+    if (!LA_steps) return interval; // Leave pins alone if there are no steps!
+
    DIR_WAIT_BEFORE();

    #if ENABLED(MIXING_EXTRUDER)