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Merge pull request #6021 from Bob-the-Kuhn/BUG-FIX--Switching-extruder-tool-change-Z-height

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Bug Fix: Switching extruder tool change leaves Z in wrong position
This commit is contained in:
Scott Lahteine 2017-03-16 21:15:20 -05:00 committed by GitHub
commit 0b22069e82
1 changed files with 5 additions and 3 deletions
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8
Marlin/Marlin_main.cpp
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@ -7385,7 +7385,7 @@ inline void gcode_M503() {
if (nozzle_timed_out)
lcd_filament_change_show_message(FILAMENT_CHANGE_MESSAGE_CLICK_TO_HEAT_NOZZLE);
#if HAS_BUZZER
#if HAS_BUZZER
filament_change_beep();
#endif
@ -7445,7 +7445,7 @@ inline void gcode_M503() {
stepper.synchronize();
#if defined(FILAMENT_CHANGE_EXTRUDE_LENGTH) && FILAMENT_CHANGE_EXTRUDE_LENGTH > 0
do {
// "Wait for filament extrude"
lcd_filament_change_show_message(FILAMENT_CHANGE_MESSAGE_EXTRUDE);
@ -8033,6 +8033,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
z_raise = 0.3 + (z_diff > 0.0 ? z_diff : 0.0);
// Always raise by some amount (destination copied from current_position earlier)
float save_Z = destination[Z_AXIS]; // save Z for later on
destination[Z_AXIS] += z_raise;
planner.buffer_line_kinematic(destination, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
stepper.synchronize();
@ -8046,6 +8047,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
planner.buffer_line_kinematic(destination, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
stepper.synchronize();
}
destination[Z_AXIS] = save_Z; // restore original Z position so the 'Move to the "old position"' is correct
#endif
/**
@ -10306,7 +10308,7 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
#else
#define M600_TEST true
#endif
if (M600_TEST && stepper_inactive_time && ELAPSED(ms, previous_cmd_ms + stepper_inactive_time)
&& !ignore_stepper_queue && !planner.blocks_queued()) {
#if ENABLED(DISABLE_INACTIVE_X)