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Code Issues Releases Wiki Activity

UBL G29 T current position fix (#12845)

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Kit Adams 2019-02-27 17:26:21 +13:00 committed by Scott Lahteine
parent 8a79623d01
commit c935a6706a
2 changed files with 13 additions and 4 deletions
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10
Marlin/Conditionals_post.h
View File

@ -190,11 +190,17 @@
* Safe Homing Options
*/
#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
#define Z_SAFE_HOMING_X_POINT X_CENTER
#define Z_SAFE_HOMING_X_POINT _SAFE_POINT(X)
#endif
#ifndef Z_SAFE_HOMING_Y_POINT
#define Z_SAFE_HOMING_Y_POINT Y_CENTER
#define Z_SAFE_HOMING_Y_POINT _SAFE_POINT(Y)
#endif
#define X_TILT_FULCRUM Z_SAFE_HOMING_X_POINT
#define Y_TILT_FULCRUM Z_SAFE_HOMING_Y_POINT

7
Marlin/ubl.cpp
View File

@ -210,8 +210,11 @@
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),
current_yi = get_cell_index_y(current_position[Y_AXIS] + (MESH_Y_DIST) / 2.0);
// Add XY_PROBE_OFFSET_FROM_EXTRUDER because probe_pt() subtracts these when
// 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();
for (int8_t j = GRID_MAX_POINTS_Y - 1; j >= 0; j--) {