Bed auto Leveling change: Raise Z before homing
- Added "Z_RAISE_BEFORE_HOMING" for raising Z the defined distance before homing. This is useful to avoid Z-Probe collision when hotend is near bed. - Fixed the issue of Z not going bellow Z_PROBE_OFFSET when "min_software_endstops" is true. Now the Z_PROBE_OFFSET is not set in Z_MIN_POS, it is added after homing.
This commit is contained in:
parent
dd3086d3f2
commit
6f85a8c7aa
@ -310,6 +310,9 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
|
||||
#define Y_PROBE_OFFSET_FROM_EXTRUDER -29
|
||||
#define Z_PROBE_OFFSET_FROM_EXTRUDER -12.35
|
||||
|
||||
#define Z_RAISE_BEFORE_HOMING 4 // (in mm) Raise Z before homing (G28) for Probe Clearance.
|
||||
// Be sure you have this distance over your Z_MAX_POS in case
|
||||
|
||||
#define XY_TRAVEL_SPEED 8000 // X and Y axis travel speed between probes, in mm/min
|
||||
|
||||
#define Z_RAISE_BEFORE_PROBING 15 //How much the extruder will be raised before traveling to the first probing point.
|
||||
@ -330,12 +333,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
|
||||
#define Y_MAX_POS 205
|
||||
#define Y_MIN_POS 0
|
||||
#define Z_MAX_POS 200
|
||||
|
||||
#ifndef ENABLE_AUTO_BED_LEVELING
|
||||
#define Z_MIN_POS 0
|
||||
#else
|
||||
#define Z_MIN_POS (-1*Z_PROBE_OFFSET_FROM_EXTRUDER) //With Auto Bed Leveling, the Z_MIN MUST have the same distance as Z_PROBE
|
||||
#endif
|
||||
|
||||
#define X_MAX_LENGTH (X_MAX_POS - X_MIN_POS)
|
||||
#define Y_MAX_LENGTH (Y_MAX_POS - Y_MIN_POS)
|
||||
|
@ -920,19 +920,28 @@ static void homeaxis(int axis) {
|
||||
axis_home_dir = x_home_dir(active_extruder);
|
||||
#endif
|
||||
|
||||
current_position[axis] = 0;
|
||||
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
|
||||
|
||||
// Engage Servo endstop if enabled
|
||||
#ifdef SERVO_ENDSTOPS
|
||||
#if defined (ENABLE_AUTO_BED_LEVELING) && (PROBE_SERVO_DEACTIVATION_DELAY > 0)
|
||||
if (axis==Z_AXIS) engage_z_probe();
|
||||
#if defined (ENABLE_AUTO_BED_LEVELING) && (PROBE_SERVO_DEACTIVATION_DELAY > 0)
|
||||
if (axis==Z_AXIS) {
|
||||
#if defined (Z_RAISE_BEFORE_HOMING) && (Z_RAISE_BEFORE_HOMING > 0)
|
||||
destination[axis] = Z_RAISE_BEFORE_HOMING * axis_home_dir * (-1); // Set destination away from bed
|
||||
feedrate = max_feedrate[axis];
|
||||
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
|
||||
st_synchronize();
|
||||
#endif
|
||||
engage_z_probe();
|
||||
}
|
||||
else
|
||||
#endif
|
||||
#endif
|
||||
if (servo_endstops[axis] > -1) {
|
||||
servos[servo_endstops[axis]].write(servo_endstop_angles[axis * 2]);
|
||||
}
|
||||
#endif
|
||||
|
||||
current_position[axis] = 0;
|
||||
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
|
||||
destination[axis] = 1.5 * max_length(axis) * axis_home_dir;
|
||||
feedrate = homing_feedrate[axis];
|
||||
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
|
||||
@ -1198,6 +1207,9 @@ void process_commands()
|
||||
current_position[Z_AXIS]=code_value()+add_homeing[2];
|
||||
}
|
||||
}
|
||||
#ifdef ENABLE_AUTO_BED_LEVELING
|
||||
current_position[Z_AXIS] -= Z_PROBE_OFFSET_FROM_EXTRUDER; //Add Z_Probe offset (the distance is negative)
|
||||
#endif
|
||||
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
|
||||
#endif // else DELTA
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user