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Shrink 3-point leveling code

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2.0.x
Scott Lahteine 8 years ago
parent 4f75ce6957
commit 0e38bea79d
1 changed files with 13 additions and 15 deletions
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28
Marlin/Marlin_main.cpp
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@ -3518,23 +3518,21 @@ inline void gcode_G28() {
#endif
// Probe at 3 arbitrary points
float z_at_pt_1 = probe_pt( LOGICAL_X_POSITION(ABL_PROBE_PT_1_X),
LOGICAL_Y_POSITION(ABL_PROBE_PT_1_Y),
stow_probe_after_each, verbose_level),
z_at_pt_2 = probe_pt( LOGICAL_X_POSITION(ABL_PROBE_PT_2_X),
LOGICAL_Y_POSITION(ABL_PROBE_PT_2_Y),
stow_probe_after_each, verbose_level),
z_at_pt_3 = probe_pt( LOGICAL_X_POSITION(ABL_PROBE_PT_3_X),
LOGICAL_Y_POSITION(ABL_PROBE_PT_3_Y),
stow_probe_after_each, verbose_level);
if (!dryrun) {
vector_3 pt1 = vector_3(ABL_PROBE_PT_1_X, ABL_PROBE_PT_1_Y, z_at_pt_1),
pt2 = vector_3(ABL_PROBE_PT_2_X, ABL_PROBE_PT_2_Y, z_at_pt_2),
pt3 = vector_3(ABL_PROBE_PT_3_X, ABL_PROBE_PT_3_Y, z_at_pt_3);
vector_3 points[3] = {
vector_3(ABL_PROBE_PT_1_X, ABL_PROBE_PT_1_Y, 0),
vector_3(ABL_PROBE_PT_2_X, ABL_PROBE_PT_2_Y, 0),
vector_3(ABL_PROBE_PT_3_X, ABL_PROBE_PT_3_Y, 0)
};
vector_3 planeNormal = vector_3::cross(pt1 - pt2, pt3 - pt2).get_normal();
for (uint8_t i = 0; i < 3; ++i)
points[i].z = probe_pt(
LOGICAL_X_POSITION(points[i].x),
LOGICAL_Y_POSITION(points[i].y),
stow_probe_after_each, verbose_level
);
if (!dryrun) {
vector_3 planeNormal = vector_3::cross(points[0] - points[1], points[2] - points[1]).get_normal();
if (planeNormal.z < 0) {
planeNormal.x *= -1;
planeNormal.y *= -1;

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