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Only use slow homing speed where applicable (#15640)

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Jacob Jordan 2019-10-24 13:14:45 -05:00 committed by Scott Lahteine
parent b3d7d33faf
commit 9895e6d766
1 changed files with 44 additions and 20 deletions
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64
Marlin/src/gcode/calibrate/G28.cpp
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@ -162,6 +162,33 @@
#endif // Z_SAFE_HOMING
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
slow_homing_t begin_slow_homing() {
slow_homing_t slow_homing{0};
slow_homing.acceleration.set(planner.settings.max_acceleration_mm_per_s2[X_AXIS],
planner.settings.max_acceleration_mm_per_s2[Y_AXIS]);
planner.settings.max_acceleration_mm_per_s2[X_AXIS] = 100;
planner.settings.max_acceleration_mm_per_s2[Y_AXIS] = 100;
#if HAS_CLASSIC_JERK
slow_homing.jerk_xy = planner.max_jerk;
planner.max_jerk.set(0, 0);
#endif
planner.reset_acceleration_rates();
return slow_homing;
}
void end_slow_homing(const slow_homing_t &slow_homing) {
planner.settings.max_acceleration_mm_per_s2[X_AXIS] = slow_homing.acceleration.x;
planner.settings.max_acceleration_mm_per_s2[Y_AXIS] = slow_homing.acceleration.y;
#if HAS_CLASSIC_JERK
planner.max_jerk = slow_homing.jerk_xy;
#endif
planner.reset_acceleration_rates();
}
#endif // IMPROVE_HOMING_RELIABILITY
/**
* G28: Home all axes according to settings
*
@ -230,17 +257,7 @@ void GcodeSuite::G28(const bool always_home_all) {
#endif
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
slow_homing_t slow_homing{0};
slow_homing.acceleration.set(planner.settings.max_acceleration_mm_per_s2[X_AXIS],
planner.settings.max_acceleration_mm_per_s2[Y_AXIS]);
planner.settings.max_acceleration_mm_per_s2[X_AXIS] = 100;
planner.settings.max_acceleration_mm_per_s2[Y_AXIS] = 100;
#if HAS_CLASSIC_JERK
slow_homing.jerk_xy = planner.max_jerk;
planner.max_jerk.set(0, 0);
#endif
planner.reset_acceleration_rates();
slow_homing_t slow_homing = begin_slow_homing();
#endif
// Always home with tool 0 active
@ -264,6 +281,10 @@ void GcodeSuite::G28(const bool always_home_all) {
home_delta();
UNUSED(always_home_all);
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
end_slow_homing(slow_homing);
#endif
#else // NOT DELTA
const bool homeX = parser.seen('X'), homeY = parser.seen('Y'), homeZ = parser.seen('Z'),
@ -348,6 +369,10 @@ void GcodeSuite::G28(const bool always_home_all) {
if (doY) homeaxis(Y_AXIS);
#endif
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
end_slow_homing(slow_homing);
#endif
// Home Z last if homing towards the bed
#if Z_HOME_DIR < 0
if (doZ) {
@ -381,6 +406,10 @@ void GcodeSuite::G28(const bool always_home_all) {
if (dxc_is_duplicating()) {
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
slow_homing = begin_slow_homing();
#endif
// Always home the 2nd (right) extruder first
active_extruder = 1;
homeaxis(X_AXIS);
@ -401,6 +430,10 @@ void GcodeSuite::G28(const bool always_home_all) {
dual_x_carriage_mode = IDEX_saved_mode;
stepper.set_directions();
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
end_slow_homing(slow_homing);
#endif
}
#endif // DUAL_X_CARRIAGE
@ -433,15 +466,6 @@ void GcodeSuite::G28(const bool always_home_all) {
tool_change(old_tool_index, NO_FETCH);
#endif
#if ENABLED(IMPROVE_HOMING_RELIABILITY)
planner.settings.max_acceleration_mm_per_s2[X_AXIS] = slow_homing.acceleration.x;
planner.settings.max_acceleration_mm_per_s2[Y_AXIS] = slow_homing.acceleration.y;
#if HAS_CLASSIC_JERK
planner.max_jerk = slow_homing.jerk_xy;
#endif
planner.reset_acceleration_rates();
#endif
ui.refresh();
report_current_position();