diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp index 8c377bf7bf..5a5fa3afe6 100644 --- a/Marlin/src/module/stepper.cpp +++ b/Marlin/src/module/stepper.cpp @@ -1697,12 +1697,12 @@ void Stepper::pulse_phase_isr() { #if EITHER(LIN_ADVANCE, MIXING_EXTRUDER) delta_error.e += advance_dividend.e; if (delta_error.e >= 0) { - count_position.e += count_direction.e; #if ENABLED(LIN_ADVANCE) delta_error.e -= advance_divisor; // Don't step E here - But remember the number of steps to perform motor_direction(E_AXIS) ? --LA_steps : ++LA_steps; #else + count_position.e += count_direction.e; step_needed.e = true; #endif } @@ -2283,15 +2283,23 @@ 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 if (LA_steps < 0) + count_direction.e = 1; + } + else if (LA_steps < 0) { MIXER_STEPPER_LOOP(j) REV_E_DIR(j); + count_direction.e = -1; + } #else - if (LA_steps > 0) + if (LA_steps > 0) { NORM_E_DIR(stepper_extruder); - else if (LA_steps < 0) + count_direction.e = 1; + } + else if (LA_steps < 0) { REV_E_DIR(stepper_extruder); + count_direction.e = -1; + } #endif DIR_WAIT_AFTER(); @@ -2312,6 +2320,8 @@ uint32_t Stepper::block_phase_isr() { AWAIT_LOW_PULSE(); #endif + count_position.e += count_direction.e; + // Set the STEP pulse ON #if ENABLED(MIXING_EXTRUDER) E_STEP_WRITE(mixer.get_next_stepper(), !INVERT_E_STEP_PIN);