Fix inverted stepper signal of ADVANCED and LIN_ADVANCED

8 years ago · b04ed8f9c3
1 changed files with 2 additions and 2 deletions
--- a/Marlin/stepper.cpp
+++ b/Marlin/stepper.cpp
@ -682,12 +682,12 @@ void Stepper::isr() {
    OCR0A = old_OCR0A;

    #define START_E_PULSE(INDEX) \
-      if (e_steps[INDEX]) E## INDEX ##_STEP_WRITE(INVERT_E_STEP_PIN)
+      if (e_steps[INDEX]) E## INDEX ##_STEP_WRITE(!INVERT_E_STEP_PIN)

    #define STOP_E_PULSE(INDEX) \
      if (e_steps[INDEX]) { \
        e_steps[INDEX] <= 0 ? ++e_steps[INDEX] : --e_steps[INDEX]; \
-        E## INDEX ##_STEP_WRITE(!INVERT_E_STEP_PIN); \
+        E## INDEX ##_STEP_WRITE(INVERT_E_STEP_PIN); \
      }

    // Step all E steppers that have steps