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Add HOME_Z_FIRST option (#20113)

vanilla_fb_2.0.x
Scott Lahteine 4 years ago
parent
commit
27c74d2f72
  1. 1
      Marlin/Configuration_adv.h
  2. 13
      Marlin/src/gcode/calibrate/G28.cpp
  3. 4
      Marlin/src/inc/Conditionals_LCD.h
  4. 6
      Marlin/src/inc/SanityCheck.h

1
Marlin/Configuration_adv.h

@ -660,6 +660,7 @@
//#define QUICK_HOME // If G28 contains XY do a diagonal move first
//#define HOME_Y_BEFORE_X // If G28 contains XY home Y before X
//#define HOME_Z_FIRST // Home Z first. Requires a Z-MIN endstop (not a probe).
//#define CODEPENDENT_XY_HOMING // If X/Y can't home without homing Y/X first
// @section bltouch

13
Marlin/src/gcode/calibrate/G28.cpp

@ -313,7 +313,7 @@ void GcodeSuite::G28() {
home_all = homeX == homeY && homeX == homeZ, // All or None
doX = home_all || homeX, doY = home_all || homeY, doZ = home_all || homeZ;
#if Z_HOME_DIR > 0 // If homing away from BED do Z first
#if ENABLED(HOME_Z_FIRST)
if (doZ) homeaxis(Z_AXIS);
@ -373,18 +373,13 @@ void GcodeSuite::G28() {
TERN_(IMPROVE_HOMING_RELIABILITY, end_slow_homing(slow_homing));
// Home Z last if homing towards the bed
#if Z_HOME_DIR < 0
#if DISABLED(HOME_Z_FIRST)
if (doZ) {
TERN_(BLTOUCH, bltouch.init());
TERN(Z_SAFE_HOMING, home_z_safely(), homeaxis(Z_AXIS));
probe.move_z_after_homing();
} // doZ
#endif // Z_HOME_DIR < 0
}
#endif
sync_plan_position();

4
Marlin/src/inc/Conditionals_LCD.h

@ -778,6 +778,10 @@
#undef Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
#endif
#if Z_HOME_DIR > 0
#define HOME_Z_FIRST // If homing away from BED do Z first
#endif
/**
* Set granular options based on the specific type of leveling
*/

6
Marlin/src/inc/SanityCheck.h

@ -1548,7 +1548,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
* Deploying the Allen Key probe uses big moves in z direction. Too dangerous for an unhomed z-axis.
*/
#if ENABLED(Z_PROBE_ALLEN_KEY) && (Z_HOME_DIR < 0) && ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
#error "You can't home to a z min endstop with a Z_PROBE_ALLEN_KEY."
#error "You can't home to a Z min endstop with a Z_PROBE_ALLEN_KEY."
#endif
/**
@ -1965,6 +1965,10 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
#error "Enable USE_ZMAX_PLUG when homing Z to MAX."
#endif
#if BOTH(HOME_Z_FIRST, USE_PROBE_FOR_Z_HOMING)
#error "HOME_Z_FIRST can't be used when homing Z with a probe."
#endif
// Dual/multiple endstops requirements
#if ENABLED(X_DUAL_ENDSTOPS)
#if !X2_USE_ENDSTOP

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