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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
*
*/
/**
* G29.cpp - Mesh Bed Leveling
*/
#include "../../../inc/MarlinConfig.h"
#if ENABLED(MESH_BED_LEVELING)
#include "../../../feature/bedlevel/bedlevel.h"
#include "../../gcode.h"
#include "../../queue.h"
#include "../../../libs/buzzer.h"
#include "../../../lcd/marlinui.h"
#include "../../../module/motion.h"
#include "../../../module/stepper.h"
#if ENABLED(EXTENSIBLE_UI)
#include "../../../lcd/extui/ui_api.h"
#endif
// Save 130 bytes with non-duplication of PSTR
inline void echo_not_entered(const char c) { SERIAL_CHAR(c); SERIAL_ECHOLNPGM(" not entered."); }
/**
* G29: Mesh-based Z probe, probes a grid and produces a
* mesh to compensate for variable bed height
*
* Parameters With MESH_BED_LEVELING:
*
* S0 Report the current mesh values
* S1 Start probing mesh points
* S2 Probe the next mesh point
* S3 In Jn Zn.nn Manually modify a single point
* S4 Zn.nn Set z offset. Positive away from bed, negative closer to bed.
* S5 Reset and disable mesh
*/
void GcodeSuite::G29() {
static int mbl_probe_index = -1;
MeshLevelingState state = (MeshLevelingState)parser.byteval('S', (int8_t)MeshReport);
if (!WITHIN(state, 0, 5)) {
SERIAL_ECHOLNPGM("S out of range (0-5).");
return;
}
int8_t ix, iy;
switch (state) {
case MeshReport:
SERIAL_ECHOPGM("Mesh Bed Leveling ");
if (leveling_is_valid()) {
serialprintln_onoff(planner.leveling_active);
mbl.report_mesh();
}
else
SERIAL_ECHOLNPGM("has no data.");
break;
case MeshStart:
mbl.reset();
mbl_probe_index = 0;
if (!ui.wait_for_move) {
queue.inject_P(parser.seen('N') ? PSTR("G28" TERN(G28_L0_ENSURES_LEVELING_OFF, "L0", "") "\nG29S2") : PSTR("G29S2"));
return;
}
state = MeshNext;
case MeshNext:
if (mbl_probe_index < 0) {
SERIAL_ECHOLNPGM("Start mesh probing with \"G29 S1\" first.");
return;
}
// For each G29 S2...
if (mbl_probe_index == 0) {
// Move close to the bed before the first point
do_blocking_move_to_z(0);
}
else {
// Save Z for the previous mesh position
mbl.set_zigzag_z(mbl_probe_index - 1, current_position.z);
SET_SOFT_ENDSTOP_LOOSE(false);
}
// If there's another point to sample, move there with optional lift.
if (mbl_probe_index < GRID_MAX_POINTS) {
// Disable software endstops to allow manual adjustment
// If G29 is left hanging without completion they won't be re-enabled!
SET_SOFT_ENDSTOP_LOOSE(true);
mbl.zigzag(mbl_probe_index++, ix, iy);
_manual_goto_xy({ mbl.index_to_xpos[ix], mbl.index_to_ypos[iy] });
}
else {
// One last "return to the bed" (as originally coded) at completion
current_position.z = MANUAL_PROBE_HEIGHT;
line_to_current_position();
planner.synchronize();
// After recording the last point, activate home and activate
mbl_probe_index = -1;
SERIAL_ECHOLNPGM("Mesh probing done.");
BUZZ(100, 659);
BUZZ(100, 698);
home_all_axes();
set_bed_leveling_enabled(true);
#if ENABLED(MESH_G28_REST_ORIGIN)
current_position.z = 0;
line_to_current_position(homing_feedrate(Z_AXIS));
planner.synchronize();
#endif
TERN_(LCD_BED_LEVELING, ui.wait_for_move = false);
}
break;
case MeshSet:
if (parser.seenval('I')) {
ix = parser.value_int();
if (!WITHIN(ix, 0, GRID_MAX_POINTS_X - 1)) {
SERIAL_ECHOPAIR("I out of range (0-", int(GRID_MAX_POINTS_X - 1));
SERIAL_ECHOLNPGM(")");
return;
}
}
else
return echo_not_entered('J');
if (parser.seenval('J')) {
iy = parser.value_int();
if (!WITHIN(iy, 0, GRID_MAX_POINTS_Y - 1)) {
SERIAL_ECHOPAIR("J out of range (0-", int(GRID_MAX_POINTS_Y - 1));
SERIAL_ECHOLNPGM(")");
return;
}
}
else
return echo_not_entered('J');
if (parser.seenval('Z')) {
mbl.z_values[ix][iy] = parser.value_linear_units();
TERN_(EXTENSIBLE_UI, ExtUI::onMeshUpdate(ix, iy, mbl.z_values[ix][iy]));
}
else
return echo_not_entered('Z');
break;
case MeshSetZOffset:
if (parser.seenval('Z'))
mbl.z_offset = parser.value_linear_units();
else
return echo_not_entered('Z');
break;
case MeshReset:
reset_bed_level();
break;
} // switch(state)
if (state == MeshNext) {
SERIAL_ECHOPAIR("MBL G29 point ", _MIN(mbl_probe_index, GRID_MAX_POINTS));
SERIAL_ECHOLNPAIR(" of ", int(GRID_MAX_POINTS));
}
report_current_position();
}
#endif // MESH_BED_LEVELING
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