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- //============================= Bed Auto Leveling ===========================
- #define ENABLE_AUTO_BED_LEVELING // Delete the comment to enable (remove // at the start of the line)
- #define Z_PROBE_REPEATABILITY_TEST // If not commented out, Z-Probe Repeatability test will be included if Auto Bed Leveling is Enabled.
- #ifdef ENABLE_AUTO_BED_LEVELING
- // There are 2 different ways to pick the X and Y locations to probe:
- // - "grid" mode
- // Probe every point in a rectangular grid
- // You must specify the rectangle, and the density of sample points
- // This mode is preferred because there are more measurements.
- // It used to be called ACCURATE_BED_LEVELING but "grid" is more descriptive
- // - "3-point" mode
- // Probe 3 arbitrary points on the bed (that aren't colinear)
- // You must specify the X & Y coordinates of all 3 points
- #define AUTO_BED_LEVELING_GRID
- // with AUTO_BED_LEVELING_GRID, the bed is sampled in a
- // AUTO_BED_LEVELING_GRID_POINTSxAUTO_BED_LEVELING_GRID_POINTS grid
- // and least squares solution is calculated
- // Note: this feature occupies 10'206 byte
- #ifdef AUTO_BED_LEVELING_GRID
- // set the rectangle in which to probe
- #define LEFT_PROBE_BED_POSITION 50
- #define RIGHT_PROBE_BED_POSITION 150
- #define BACK_PROBE_BED_POSITION 150
- #define FRONT_PROBE_BED_POSITION 50
- // set the number of grid points per dimension
- // I wouldn't see a reason to go above 3 (=9 probing points on the bed)
- #define AUTO_BED_LEVELING_GRID_POINTS 2
- #else // not AUTO_BED_LEVELING_GRID
- // with no grid, just probe 3 arbitrary points. A simple cross-product
- // is used to esimate the plane of the print bed
- #define ABL_PROBE_PT_1_X 15
- #define ABL_PROBE_PT_1_Y 180
- #define ABL_PROBE_PT_2_X 15
- #define ABL_PROBE_PT_2_Y 20
- #define ABL_PROBE_PT_3_X 170
- #define ABL_PROBE_PT_3_Y 20
- #endif // AUTO_BED_LEVELING_GRID
- // these are the offsets to the probe relative to the extruder tip (Hotend - Probe)
- // X and Y offsets must be integers
- #define X_PROBE_OFFSET_FROM_EXTRUDER -26
- #define Y_PROBE_OFFSET_FROM_EXTRUDER -27
- #define Z_PROBE_OFFSET_FROM_EXTRUDER -22.84
- #define Z_RAISE_BEFORE_HOMING 30 // (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 4000 // X and Y axis travel speed between probes, in mm/min
- #define Z_RAISE_BEFORE_PROBING 30 //How much the extruder will be raised before traveling to the first probing point.
- #define Z_RAISE_BETWEEN_PROBINGS 5 //How much the extruder will be raised when traveling from between next probing points
- //#define Z_PROBE_SLED // turn on if you have a z-probe mounted on a sled like those designed by Charles Bell
- //#define SLED_DOCKING_OFFSET 5 // the extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
- //If defined, the Probe servo will be turned on only during movement and then turned off to avoid jerk
- //The value is the delay to turn the servo off after powered on - depends on the servo speed; 300ms is good value, but you can try lower it.
- // You MUST HAVE the SERVO_ENDSTOPS defined to use here a value higher than zero otherwise your code will not compile.
- #define PROBE_SERVO_DEACTIVATION_DELAY 300
- //If you have enabled the Bed Auto Leveling and are using the same Z Probe for Z Homing,
- //it is highly recommended you let this Z_SAFE_HOMING enabled!!!
- #define Z_SAFE_HOMING // This feature is meant to avoid Z homing with probe outside the bed area.
- // When defined, it will:
- // - Allow Z homing only after X and Y homing AND stepper drivers still enabled
- // - If stepper drivers timeout, it will need X and Y homing again before Z homing
- // - Position the probe in a defined XY point before Z Homing when homing all axis (G28)
- // - Block Z homing only when the probe is outside bed area.
- #ifdef Z_SAFE_HOMING
- #define Z_SAFE_HOMING_X_POINT (X_MAX_LENGTH/2) // X point for Z homing when homing all axis (G28)
- #define Z_SAFE_HOMING_Y_POINT (Y_MAX_LENGTH/2) // Y point for Z homing when homing all axis (G28)
- #endif
- #ifdef AUTO_BED_LEVELING_GRID // Check if Probe_Offset * Grid Points is greater than Probing Range
- #if X_PROBE_OFFSET_FROM_EXTRUDER < 0
- #if (-(X_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION))
- #error "The X axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
- #endif
- #else
- #if ((X_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION))
- #error "The X axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
- #endif
- #endif
- #if Y_PROBE_OFFSET_FROM_EXTRUDER < 0
- #if (-(Y_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION))
- #error "The Y axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
- #endif
- #else
- #if ((Y_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION))
- #error "The Y axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
- #endif
- #endif
- #endif
- #endif // ENABLE_AUTO_BED_LEVELING
- // The position of the homing switches
- //#define MANUAL_HOME_POSITIONS // If defined, MANUAL_*_HOME_POS below will be used
- //#define BED_CENTER_AT_0_0 // If defined, the center of the bed is at (X=0, Y=0)
- //Manual homing switch locations:
- // For deltabots this means top and center of the Cartesian print volume.
- #define MANUAL_X_HOME_POS 0
- #define MANUAL_Y_HOME_POS 0
- #define MANUAL_Z_HOME_POS 0
- //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
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