Firmware2/Marlin/src/gcode/bedlevel/M420.cpp
2018-11-04 19:07:47 -06:00

209 lines
6.1 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "../../inc/MarlinConfig.h"
#if HAS_LEVELING
#include "../gcode.h"
#include "../../feature/bedlevel/bedlevel.h"
#include "../../module/planner.h"
#if ENABLED(EEPROM_SETTINGS)
#include "../../module/configuration_store.h"
#endif
//#define M420_C_USE_MEAN
/**
* 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
*/
void GcodeSuite::M420() {
const bool seen_S = parser.seen('S');
bool to_enable = seen_S ? parser.value_bool() : planner.leveling_active;
// 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_PROTOCOLLNPGM("?EEPROM storage not available.");
return;
}
if (!WITHIN(storage_slot, 0, a - 1)) {
SERIAL_PROTOCOLLNPGM("?Invalid storage slot.");
SERIAL_PROTOCOLLNPAIR("?Use 0 to ", a - 1);
return;
}
settings.load_mesh(storage_slot);
ubl.storage_slot = storage_slot;
#else
SERIAL_PROTOCOLLNPGM("?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
#if HAS_MESH
// Subtract the given value or the mean from all mesh values
if (leveling_is_valid() && 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
}
#endif // HAS_MESH
// V to print the matrix or mesh
if (parser.seen('V')) {
#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);
// Error if leveling failed to enable or reenable
if (to_enable && !planner.leveling_active) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_ERR_M420_FAILED);
}
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR("Bed Leveling ", planner.leveling_active ? MSG_ON : MSG_OFF);
#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();
}
#endif // HAS_LEVELING