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[2.0.x] Tool change bad behaviour fix

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Previous fix did not work as expected when axeis not homed. It raise Z but never return to original position
This commit is contained in:
GMagician
2017-11-22 23:44:25 +01:00
committed by Scott Lahteine
parent c35d27f77c
commit 118ac61e59
1 changed files with 6 additions and 10 deletions
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16
Marlin/src/module/tool_change.cpp
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@@ -493,11 +493,10 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
SYNC_PLAN_POSITION_KINEMATIC();
// Move to the "old position" (move the extruder into place)
#if ENABLED(SWITCHING_NOZZLE)
destination[Z_AXIS] += z_diff; // Include the Z restore with the "move back"
#endif
if (!no_move && IsRunning()) {
#if ENABLED(SWITCHING_NOZZLE)
if (z_raise != z_diff)
destination[Z_AXIS] += z_diff; // Include the Z restore with the "move back"
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move back", destination);
#endif
@@ -505,12 +504,9 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
do_blocking_move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS]);
}
#if ENABLED(SWITCHING_NOZZLE)
// Move back down, if needed. (Including when the new tool is higher.)
else if (z_raise != z_diff) {
set_destination_from_current(); // Prevent any XY move
destination[Z_AXIS] += z_diff;
feedrate_mm_s = planner.max_feedrate_mm_s[Z_AXIS];
prepare_move_to_destination();
else {
// Move back down. (Including when the new tool is higher.)
do_blocking_move_to_z(destination[Z_AXIS], planner.max_feedrate_mm_s[Z_AXIS]);
}
#endif
} // (tmp_extruder != active_extruder)