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Merge pull request #1924 from thinkyhead/raise_z_for_m401_m402

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Raise Z for M401 and M402
This commit is contained in:
Scott Lahteine 2015-04-24 22:41:12 -07:00
commit 0438f0d835
1 changed files with 22 additions and 2 deletions
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24
Marlin/Marlin_main.cpp
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@ -4276,14 +4276,34 @@ inline void gcode_M400() { st_synchronize(); }
#if defined(ENABLE_AUTO_BED_LEVELING) && (defined(SERVO_ENDSTOPS) || defined(Z_PROBE_ALLEN_KEY)) && not defined(Z_PROBE_SLED)
#ifdef SERVO_ENDSTOPS
void raise_z_for_servo() {
float zpos = current_position[Z_AXIS], z_dest = Z_RAISE_BEFORE_HOMING;
if (!axis_known_position[Z_AXIS]) z_dest += zpos;
if (zpos < z_dest)
do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], z_dest); // also updates current_position
}
#endif
/**
* M401: Engage Z Servo endstop if available
*/
inline void gcode_M401() { deploy_z_probe(); }
inline void gcode_M401() {
#ifdef SERVO_ENDSTOPS
raise_z_for_servo();
#endif
deploy_z_probe();
}
/**
* M402: Retract Z Servo endstop if enabled
*/
inline void gcode_M402() { stow_z_probe(); }
inline void gcode_M402() {
#ifdef SERVO_ENDSTOPS
raise_z_for_servo();
#endif
stow_z_probe();
}
#endif