// Refresh after other values have been updated
void refresh_bed_level() {
bilinear_grid_factor[X_AXIS] = RECIPROCAL(bilinear_grid_spacing[X_AXIS]);
bilinear_grid_factor[Y_AXIS] = RECIPROCAL(bilinear_grid_spacing[Y_AXIS]);
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
bed_level_virt_interpolate();
#endif
}
void refresh_zprobe_zoffset(const bool no_babystep/*=false*/) {
static float last_zoffset = NAN;
if (!isnan(last_zoffset)) {
#if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(BABYSTEP_ZPROBE_OFFSET) || ENABLED(DELTA)
const float diff = zprobe_zoffset - last_zoffset;
#endif
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
// Correct bilinear grid for new probe offset
if (diff) {
for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
z_values[x][y] -= diff;
}
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
bed_level_virt_interpolate();
#endif
#endif
#if ENABLED(BABYSTEP_ZPROBE_OFFSET)
if (!no_babystep && planner.leveling_active)
thermalManager.babystep_axis(Z_AXIS, -LROUND(diff * planner.axis_steps_per_mm[Z_AXIS]));
#else
UNUSED(no_babystep);
#endif
#if ENABLED(DELTA) // correct the delta_height
home_offset[Z_AXIS] -= diff;
#endif
}
last_zoffset = zprobe_zoffset;
}
/**
* M421: Set a single Mesh Bed Leveling Z coordinate
*
* Usage:
* M421 I<xindex> J<yindex> Z<linear>
* M421 I<xindex> J<yindex> Q<offset>
*/
void GcodeSuite::M421() {
int8_t ix = parser.intval('I', -1), iy = parser.intval('J', -1);
const bool hasI = ix >= 0,
hasJ = iy >= 0,
hasZ = parser.seen('Z'),
hasQ = !hasZ && parser.seen('Q');
if (!hasI || !hasJ || !(hasZ || hasQ))
SERIAL_ERROR_MSG(MSG_ERR_M421_PARAMETERS);
else if (!WITHIN(ix, 0, GRID_MAX_POINTS_X - 1) || !WITHIN(iy, 0, GRID_MAX_POINTS_Y - 1))
SERIAL_ERROR_MSG(MSG_ERR_MESH_XY);
else {
z_values[ix][iy] = parser.value_linear_units() + (hasQ ? z_values[ix][iy] : 0);
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
bed_level_virt_interpolate();
#endif
}
}
/**
* M420: Enable/Disable Bed Leveling and/or set the Z fade height.
*
* S[bool] Turns leveling on or off
* Z[height] Sets the Z fade height (0 or none to disable)
* V[bool] Verbose - Print the leveling grid
*
* With AUTO_BED_LEVELING_UBL only:
*
* L[index] Load UBL mesh from index (0 is default)
* T[map] 0:Human-readable 1:CSV 2:"LCD" 4:Compact
*
* With mesh-based leveling only:
*
* C Center mesh on the mean of the lowest and highest
*
* With MARLIN_DEV_MODE:
* S2 Create a simple random mesh and enable
*/
void GcodeSuite::M420() {
const bool seen_S = parser.seen('S'),
to_enable = seen_S ? parser.value_bool() : planner.leveling_active;
#if ENABLED(MARLIN_DEV_MODE)
if (parser.intval('S') == 2) {
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
bilinear_start[X_AXIS] = MIN_PROBE_X;
bilinear_start[Y_AXIS] = MIN_PROBE_Y;
bilinear_grid_spacing[X_AXIS] = (MAX_PROBE_X - (MIN_PROBE_X)) / (GRID_MAX_POINTS_X - 1);
bilinear_grid_spacing[Y_AXIS] = (MAX_PROBE_Y - (MIN_PROBE_Y)) / (GRID_MAX_POINTS_Y - 1);
#endif
for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
Z_VALUES(x, y) = 0.001 * random(-200, 200);
SERIAL_ECHOPGM("Simulated " STRINGIFY(GRID_MAX_POINTS_X) "x" STRINGIFY(GRID_MAX_POINTS_X) " mesh ");
SERIAL_ECHOPAIR(" (", MIN_PROBE_X);
SERIAL_CHAR(','); SERIAL_ECHO(MIN_PROBE_Y);
SERIAL_ECHOPAIR(")-(", MAX_PROBE_X);
SERIAL_CHAR(','); SERIAL_ECHO(MAX_PROBE_Y);
SERIAL_ECHOLNPGM(")");
}
#endif
// If disabling leveling do it right away
// (Don't disable for just M420 or M420 V)
if (seen_S && !to_enable) set_bed_leveling_enabled(false);
const float oldpos[] = { current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS] };
#if ENABLED(AUTO_BED_LEVELING_UBL)
// L to load a mesh from the EEPROM
if (parser.seen('L')) {
set_bed_leveling_enabled(false);
#if ENABLED(EEPROM_SETTINGS)
const int8_t storage_slot = parser.has_value() ? parser.value_int() : ubl.storage_slot;
const int16_t a = settings.calc_num_meshes();
if (!a) {
SERIAL_ECHOLNPGM("?EEPROM storage not available.");
return;
}
if (!WITHIN(storage_slot, 0, a - 1)) {
SERIAL_ECHOLNPGM("?Invalid storage slot.");
SERIAL_ECHOLNPAIR("?Use 0 to ", a - 1);
return;
}
settings.load_mesh(storage_slot);
ubl.storage_slot = storage_slot;
#else
SERIAL_ECHOLNPGM("?EEPROM storage not available.");
return;
#endif
}
// L or V display the map info
if (parser.seen('L') || parser.seen('V')) {
ubl.display_map(parser.byteval('T'));
SERIAL_ECHOPGM("Mesh is ");
if (!ubl.mesh_is_valid()) SERIAL_ECHOPGM("in");
SERIAL_ECHOLNPAIR("valid\nStorage slot: ", ubl.storage_slot);
}
#endif // AUTO_BED_LEVELING_UBL
const bool seenV = parser.seen('V');
#if HAS_MESH
if (leveling_is_valid()) {
// Subtract the given value or the mean from all mesh values
if (parser.seen('C')) {
const float cval = parser.value_float();
#if ENABLED(AUTO_BED_LEVELING_UBL)
set_bed_leveling_enabled(false);
ubl.adjust_mesh_to_mean(true, cval);
#else
#if ENABLED(M420_C_USE_MEAN)
// Get the sum and average of all mesh values
float mesh_sum = 0;
for (uint8_t x = GRID_MAX_POINTS_X; x--;)
for (uint8_t y = GRID_MAX_POINTS_Y; y--;)
mesh_sum += Z_VALUES(x, y);
const float zmean = mesh_sum / float(GRID_MAX_POINTS);
#else
// Find the low and high mesh values
float lo_val = 100, hi_val = -100;
for (uint8_t x = GRID_MAX_POINTS_X; x--;)
for (uint8_t y = GRID_MAX_POINTS_Y; y--;) {
const float z = Z_VALUES(x, y);
NOMORE(lo_val, z);
NOLESS(hi_val, z);
}
// Take the mean of the lowest and highest
const float zmean = (lo_val + hi_val) / 2.0 + cval;
#endif
// If not very close to 0, adjust the mesh
if (!NEAR_ZERO(zmean)) {
set_bed_leveling_enabled(false);
// Subtract the mean from all values
for (uint8_t x = GRID_MAX_POINTS_X; x--;)
for (uint8_t y = GRID_MAX_POINTS_Y; y--;)
Z_VALUES(x, y) -= zmean;
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
bed_level_virt_interpolate();
#endif
}
#endif
}
}
else if (to_enable || seenV) {
SERIAL_ECHO_MSG("Invalid mesh.");
goto EXIT_M420;
}
#endif // HAS_MESH
// V to print the matrix or mesh
if (seenV) {
#if ABL_PLANAR
planner.bed_level_matrix.debug(PSTR("Bed Level Correction Matrix:"));
#else
if (leveling_is_valid()) {
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
print_bilinear_leveling_grid();
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
print_bilinear_leveling_grid_virt();
#endif
#elif ENABLED(MESH_BED_LEVELING)
SERIAL_ECHOLNPGM("Mesh Bed Level data:");
mbl.report_mesh();
#endif
}
#endif
}
#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
if (parser.seen('Z')) set_z_fade_height(parser.value_linear_units(), false);
#endif
// Enable leveling if specified, or if previously active
set_bed_leveling_enabled(to_enable);
#if HAS_MESH
EXIT_M420:
#endif
// Error if leveling failed to enable or reenable
if (to_enable && !planner.leveling_active)
SERIAL_ERROR_MSG(MSG_ERR_M420_FAILED);
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Bed Leveling ");
serialprintln_onoff(planner.leveling_active);
#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Fade Height ");
if (planner.z_fade_height > 0.0)
SERIAL_ECHOLN(planner.z_fade_height);
else
SERIAL_ECHOLNPGM(MSG_OFF);
#endif
// Report change in position
if (memcmp(oldpos, current_position, sizeof(oldpos)))
report_current_position();
}
