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Linear Advance: Only change E DIR when needed (#18744)

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This commit is contained in:
Jason Smith
2020-07-22 20:17:33 -07:00
committed by GitHub
parent 0b46fcdce6
commit f9b1da7beb
1 changed files with 4 additions and 4 deletions
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8
Marlin/src/module/stepper.cpp
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@@ -2277,14 +2277,14 @@ uint32_t Stepper::block_phase_isr() {
#if ENABLED(MIXING_EXTRUDER)
// We don't know which steppers will be stepped because LA loop follows,
// with potentially multiple steps. Set all.
if (LA_steps >= 0)
if (LA_steps > 0)
MIXER_STEPPER_LOOP(j) NORM_E_DIR(j);
else
else if (LA_steps < 0)
MIXER_STEPPER_LOOP(j) REV_E_DIR(j);
#else
if (LA_steps >= 0)
if (LA_steps > 0)
NORM_E_DIR(stepper_extruder);
else
else if (LA_steps < 0)
REV_E_DIR(stepper_extruder);
#endif