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Fix mixing extruder filament change (#13803)

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This commit is contained in:
Thomas Moore
2019-05-01 22:55:58 -04:00
committed by Scott Lahteine
parent bf54251a10
commit ee243e4edf
15 changed files with 182 additions and 52 deletions
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18
Marlin/src/module/motion.cpp
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@ -982,9 +982,21 @@ void prepare_move_to_destination() {
}
#endif // PREVENT_COLD_EXTRUSION
#if ENABLED(PREVENT_LENGTHY_EXTRUDE)
if (ABS(destination[E_AXIS] - current_position[E_AXIS]) * planner.e_factor[active_extruder] > (EXTRUDE_MAXLENGTH)) {
current_position[E_AXIS] = destination[E_AXIS]; // Behave as if the move really took place, but ignore E part
SERIAL_ECHO_MSG(MSG_ERR_LONG_EXTRUDE_STOP);
const float e_delta = ABS(destination[E_AXIS] - current_position[E_AXIS]) * planner.e_factor[active_extruder];
if (e_delta > (EXTRUDE_MAXLENGTH)) {
#if ENABLED(MIXING_EXTRUDER)
bool ignore_e = false;
float collector[MIXING_STEPPERS];
mixer.refresh_collector(1.0, mixer.get_current_vtool(), collector);
MIXER_STEPPER_LOOP(e)
if (e_delta * collector[e] > (EXTRUDE_MAXLENGTH)) { ignore_e = true; break; }
#else
constexpr bool ignore_e = true;
#endif
if (ignore_e) {
current_position[E_AXIS] = destination[E_AXIS]; // Behave as if the move really took place, but ignore E part
SERIAL_ECHO_MSG(MSG_ERR_LONG_EXTRUDE_STOP);
}
}
#endif // PREVENT_LENGTHY_EXTRUDE
}