diff --git a/Marlin/stepper.cpp b/Marlin/stepper.cpp index 1f03e3ccb3..9021da54bd 100644 --- a/Marlin/stepper.cpp +++ b/Marlin/stepper.cpp @@ -1621,6 +1621,12 @@ void Stepper::isr() { #define SET_E_STEP_DIR(INDEX) do{ if (e_steps) E0_DIR_WRITE(e_steps < 0 ? !INVERT_E## INDEX ##_DIR ^ TEST(INDEX, 0) : INVERT_E## INDEX ##_DIR ^ TEST(INDEX, 0)); }while(0) #elif ENABLED(DUAL_X_CARRIAGE) || ENABLED(DUAL_NOZZLE_DUPLICATION_MODE) #define SET_E_STEP_DIR(INDEX) do{ if (e_steps) { if (e_steps < 0) REV_E_DIR(); else NORM_E_DIR(); } }while(0) + #elif ENABLED(SWITCHING_EXTRUDER) + #define SET_E_STEP_DIR(INDEX) do{ if (e_steps) { switch (INDEX) { \ + case 0: case 1: E0_DIR_WRITE(!INVERT_E0_DIR ^ TEST(INDEX, 0) ^ (e_steps < 0)); break; \ + case 2: case 3: E1_DIR_WRITE(!INVERT_E1_DIR ^ TEST(INDEX, 0) ^ (e_steps < 0)); break; \ + case 4: E2_DIR_WRITE(!INVERT_E2_DIR ^ TEST(INDEX, 0) ^ (e_steps < 0)); \ + } } }while(0) #else #define SET_E_STEP_DIR(INDEX) do{ if (e_steps) E## INDEX ##_DIR_WRITE(e_steps < 0 ? INVERT_E## INDEX ##_DIR : !INVERT_E## INDEX ##_DIR); }while(0) #endif