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Normalize load/unload length in M600

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This commit is contained in:
Thomas Moore 2017-11-09 23:10:41 -06:00 committed by Scott Lahteine
parent 2a54fd1444
commit 4714fb8fcb
2 changed files with 4 additions and 3 deletions
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4
Marlin/Marlin_main.cpp
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@ -6553,7 +6553,7 @@ inline void gcode_M17() {
#endif
void do_pause_e_move(const float &length, const float fr) {
current_position[E_AXIS] += length;
current_position[E_AXIS] += length * 100.0 / flow_percentage[active_extruder] / volumetric_multiplier[active_extruder];
set_destination_from_current();
RUNPLAN(fr);
stepper.synchronize();
@ -12962,7 +12962,7 @@ void prepare_move_to_destination() {
SERIAL_ECHOLNPGM(MSG_ERR_COLD_EXTRUDE_STOP);
}
#if ENABLED(PREVENT_LENGTHY_EXTRUDE)
if (destination[E_AXIS] - current_position[E_AXIS] > EXTRUDE_MAXLENGTH) {
if (fabs(destination[E_AXIS] - current_position[E_AXIS]) > EXTRUDE_MAXLENGTH / volumetric_multiplier[active_extruder]) {
current_position[E_AXIS] = destination[E_AXIS]; // Behave as if the move really took place, but ignore E part
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_ERR_LONG_EXTRUDE_STOP);

3
Marlin/planner.cpp
View File

@ -736,7 +736,8 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
SERIAL_ECHOLNPGM(MSG_ERR_COLD_EXTRUDE_STOP);
}
#if ENABLED(PREVENT_LENGTHY_EXTRUDE)
if (labs(de) > (int32_t)axis_steps_per_mm[E_AXIS_N] * (EXTRUDE_MAXLENGTH)) { // It's not important to get max. extrusion length in a precision < 1mm, so save some cycles and cast to int
int32_t de_mm = labs(de * volumetric_multiplier[active_extruder]);
if (de_mm > (int32_t)axis_steps_per_mm[E_AXIS_N] * (EXTRUDE_MAXLENGTH)) { // It's not important to get max. extrusion length in a precision < 1mm, so save some cycles and cast to int
position[E_AXIS] = target[E_AXIS]; // Behave as if the move really took place, but ignore E part
de = 0; // no difference
#if ENABLED(LIN_ADVANCE)