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UBL G29 T current position fix

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Counterpart to #12845
This commit is contained in:
Scott Lahteine 2019-02-26 22:25:53 -06:00
parent f8a39919fa
commit f37df28d17
2 changed files with 13 additions and 4 deletions
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7
Marlin/src/feature/bedlevel/ubl/ubl.cpp
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@ -198,8 +198,11 @@
serialprintPGM(csv ? PSTR("CSV:\n") : PSTR("LCD:\n")); serialprintPGM(csv ? PSTR("CSV:\n") : PSTR("LCD:\n"));
} }
const float current_xi = get_cell_index_x(current_position[X_AXIS] + (MESH_X_DIST) / 2.0), // Add XY_PROBE_OFFSET_FROM_EXTRUDER because probe_pt() subtracts these when
current_yi = get_cell_index_y(current_position[Y_AXIS] + (MESH_Y_DIST) / 2.0); // moving to the xy position to be measured. This ensures better agreement between
// the current Z position after G28 and the mesh values.
const float current_xi = find_closest_x_index(current_position[X_AXIS] + X_PROBE_OFFSET_FROM_EXTRUDER),
current_yi = find_closest_y_index(current_position[Y_AXIS] + Y_PROBE_OFFSET_FROM_EXTRUDER);
if (!lcd) SERIAL_EOL(); if (!lcd) SERIAL_EOL();
for (int8_t j = GRID_MAX_POINTS_Y - 1; j >= 0; j--) { for (int8_t j = GRID_MAX_POINTS_Y - 1; j >= 0; j--) {

10
Marlin/src/inc/Conditionals_post.h
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@ -203,11 +203,17 @@
* Safe Homing Options * Safe Homing Options
*/ */
#if ENABLED(Z_SAFE_HOMING) #if ENABLED(Z_SAFE_HOMING)
#if ENABLED(AUTO_BED_LEVELING_UBL)
// Home close to center so grid points have z heights very close to 0
#define _SAFE_POINT(A) (((GRID_MAX_POINTS_##A) / 2) * (A##_BED_SIZE - 2 * (MESH_INSET)) / (GRID_MAX_POINTS_##A - 1) + MESH_INSET)
#else
#define _SAFE_POINT(A) A##_CENTER
#endif
#ifndef Z_SAFE_HOMING_X_POINT #ifndef Z_SAFE_HOMING_X_POINT
#define Z_SAFE_HOMING_X_POINT X_CENTER #define Z_SAFE_HOMING_X_POINT _SAFE_POINT(X)
#endif #endif
#ifndef Z_SAFE_HOMING_Y_POINT #ifndef Z_SAFE_HOMING_Y_POINT
#define Z_SAFE_HOMING_Y_POINT Y_CENTER #define Z_SAFE_HOMING_Y_POINT _SAFE_POINT(Y)
#endif #endif
#define X_TILT_FULCRUM Z_SAFE_HOMING_X_POINT #define X_TILT_FULCRUM Z_SAFE_HOMING_X_POINT
#define Y_TILT_FULCRUM Z_SAFE_HOMING_Y_POINT #define Y_TILT_FULCRUM Z_SAFE_HOMING_Y_POINT