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Added new 'P' (precise probing) option to G28 #27523

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Added new 'P' (precise probing) option to G28 #27523

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12 changes: 12 additions & 0 deletions Marlin/src/gcode/calibrate/G28.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -530,6 +530,18 @@ void GcodeSuite::G28() {

#endif // DUAL_X_CARRIAGE

#if HAS_BED_PROBE
// Perform precise homing using the same probing procedure as bed leveling
if (parser.seen_test('P')) {
xy_pos_t xyPos = { current_position.x, current_position.y };
float probedZHeight = probe.probe_at_point(xyPos, PROBE_PT_RAISE, 0, false);
DEBUG_ECHOLNPGM("Probed ZHeight (correction amount): ", probedZHeight);

current_position.z -= probedZHeight;
sync_plan_position();
}
#endif

endstops.not_homing();

// Clear endstop state for polled stallGuard endstops
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