Browse Source

G34 Mechanical Gantry Calibration (like Prusa M915) (#18972)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
vanilla_fb_2.0.x
InsanityAutomation 4 years ago
committed by Scott Lahteine
parent
commit
d2863466ac
  1. 19
      Marlin/Configuration_adv.h
  2. 153
      Marlin/src/gcode/calibrate/G34.cpp
  3. 98
      Marlin/src/gcode/calibrate/G34_M422.cpp
  4. 2
      Marlin/src/gcode/gcode.cpp
  5. 5
      Marlin/src/gcode/gcode.h
  6. 17
      Marlin/src/inc/SanityCheck.h
  7. 3
      Marlin/src/lcd/language/language_en.h
  8. 2
      Marlin/src/lcd/menu/menu_motion.cpp
  9. 2
      buildroot/tests/LPC1769-tests
  10. 2
      platformio.ini

19
Marlin/Configuration_adv.h

@ -3376,6 +3376,25 @@
//#define JOYSTICK_DEBUG
#endif
/**
* Mechanical Gantry Calibration
* Modern replacement for the Prusa TMC_Z_CALIBRATION.
* Adds capability to work with any adjustable current drivers.
* Implemented as G34 because M915 is deprecated.
*/
//#define MECHANICAL_GANTRY_CALIBRATION
#if ENABLED(MECHANICAL_GANTRY_CALIBRATION)
#define GANTRY_CALIBRATION_CURRENT 600 // Default calibration current in ma
#define GANTRY_CALIBRATION_EXTRA_HEIGHT 15 // Extra distance in mm past Z_###_POS to move
#define GANTRY_CALIBRATION_FEEDRATE 500 // Feedrate for correction move
//#define GANTRY_CALIBRATION_TO_MIN // Enable to calibrate Z in the MIN direction
//#define GANTRY_CALIBRATION_SAFE_POSITION { X_CENTER, Y_CENTER } // Safe position for nozzle
//#define GANTRY_CALIBRATION_XY_PARK_FEEDRATE 3000 // XY Park Feedrate - MMM
//#define GANTRY_CALIBRATION_COMMANDS_PRE ""
#define GANTRY_CALIBRATION_COMMANDS_POST "G28" // G28 highly recommended to ensure an accurate position
#endif
/**
* MAX7219 Debug Matrix
*

153
Marlin/src/gcode/calibrate/G34.cpp

@ -0,0 +1,153 @@
/**
* 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/>.
*
*/
#include "../../inc/MarlinConfigPre.h"
#if ENABLED(MECHANICAL_GANTRY_CALIBRATION)
#include "../gcode.h"
#include "../../module/motion.h"
#include "../../module/stepper.h"
#include "../../module/endstops.h"
#if HAS_LEVELING
#include "../../feature/bedlevel/bedlevel.h"
#endif
#define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE)
#include "../../core/debug_out.h"
void GcodeSuite::G34() {
if (homing_needed()) return;
TEMPORARY_SOFT_ENDSTOP_STATE(false);
TEMPORARY_BED_LEVELING_STATE(false);
TemporaryGlobalEndstopsState unlock_z(false);
#ifdef GANTRY_CALIBRATION_COMMANDS_PRE
gcode.process_subcommands_now_P(PSTR(GANTRY_CALIBRATION_COMMANDS_PRE));
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Sub Commands Processed");
#endif
#ifdef GANTRY_CALIBRATION_SAFE_POSITION
// Move XY to safe position
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Parking XY");
const xy_pos_t safe_pos = GANTRY_CALIBRATION_SAFE_POSITION;
do_blocking_move_to(safe_pos, MMM_TO_MMS(GANTRY_CALIBRATION_XY_PARK_FEEDRATE));
#endif
const float move_distance = parser.intval('Z', GANTRY_CALIBRATION_EXTRA_HEIGHT),
zbase = ENABLED(GANTRY_CALIBRATION_TO_MIN) ? Z_MIN_POS : Z_MAX_POS,
zpounce = zbase - move_distance, zgrind = zbase + move_distance;
// Move Z to pounce position
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Setting Z Pounce");
do_blocking_move_to_z(zpounce, MMM_TO_MMS(HOMING_FEEDRATE_Z));
// Store current motor settings, then apply reduced value
#define _REDUCE_CURRENT ANY(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_PWM, HAS_MOTOR_CURRENT_DAC, HAS_MOTOR_CURRENT_I2C, HAS_TRINAMIC_CONFIG)
#if _REDUCE_CURRENT
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Reducing Current");
#endif
#if HAS_MOTOR_CURRENT_SPI
const uint16_t target_current = parser.intval('S', GANTRY_CALIBRATION_CURRENT);
const uint32_t previous_current = stepper.motor_current_setting[Z_AXIS];
stepper.set_digipot_current(Z_AXIS, target_current);
#elif HAS_MOTOR_CURRENT_PWM
const uint16_t target_current = parser.intval('S', GANTRY_CALIBRATION_CURRENT);
const uint32_t previous_current = stepper.motor_current_setting[Z_AXIS];
stepper.set_digipot_current(1, target_current);
#elif HAS_MOTOR_CURRENT_DAC
const float target_current = parser.floatval('S', GANTRY_CALIBRATION_CURRENT);
const float previous_current = dac_amps(Z_AXIS, target_current);
stepper_dac.set_current_value(Z_AXIS, target_current);
#elif ENABLED(HAS_MOTOR_CURRENT_I2C)
const uint16_t target_current = parser.intval('S', GANTRY_CALIBRATION_CURRENT);
previous_current = dac_amps(Z_AXIS);
digipot_i2c.set_current(Z_AXIS, target_current)
#elif HAS_TRINAMIC_CONFIG
const uint16_t target_current = parser.intval('S', GANTRY_CALIBRATION_CURRENT);
static uint16_t previous_current_arr[NUM_Z_STEPPER_DRIVERS];
#if AXIS_IS_TMC(Z)
previous_current_arr[0] = stepperZ.getMilliamps();
stepperZ.rms_current(target_current);
#endif
#if AXIS_IS_TMC(Z2)
previous_current_arr[1] = stepperZ2.getMilliamps();
stepperZ2.rms_current(target_current);
#endif
#if AXIS_IS_TMC(Z3)
previous_current_arr[2] = stepperZ3.getMilliamps();
stepperZ3.rms_current(target_current);
#endif
#if AXIS_IS_TMC(Z4)
previous_current_arr[3] = stepperZ4.getMilliamps();
stepperZ4.rms_current(target_current);
#endif
#endif
// Do Final Z move to adjust
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Final Z Move");
do_blocking_move_to_z(zgrind, MMM_TO_MMS(GANTRY_CALIBRATION_FEEDRATE));
// Back off end plate, back to normal motion range
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Z Backoff");
do_blocking_move_to_z(zpounce, MMM_TO_MMS(GANTRY_CALIBRATION_FEEDRATE));
#if _REDUCE_CURRENT
// Reset current to original values
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Restore Current");
#endif
#if HAS_MOTOR_CURRENT_SPI
stepper.set_digipot_current(Z_AXIS, previous_current);
#elif HAS_MOTOR_CURRENT_PWM
stepper.set_digipot_current(1, previous_current);
#elif HAS_MOTOR_CURRENT_DAC
stepper_dac.set_current_value(Z_AXIS, previous_current);
#elif ENABLED(HAS_MOTOR_CURRENT_I2C)
digipot_i2c.set_current(Z_AXIS, previous_current)
#elif HAS_TRINAMIC_CONFIG
#if AXIS_IS_TMC(Z)
stepperZ.rms_current(previous_current_arr[0]);
#endif
#if AXIS_IS_TMC(Z2)
stepperZ2.rms_current(previous_current_arr[1]);
#endif
#if AXIS_IS_TMC(Z3)
stepperZ3.rms_current(previous_current_arr[2]);
#endif
#if AXIS_IS_TMC(Z4)
stepperZ4.rms_current(previous_current_arr[3]);
#endif
#endif
#ifdef GANTRY_CALIBRATION_COMMANDS_POST
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Running Post Commands");
gcode.process_subcommands_now_P(PSTR(GANTRY_CALIBRATION_COMMANDS_POST));
#endif
}
#endif // MECHANICAL_GANTRY_CALIBRATION

98
Marlin/src/gcode/calibrate/G34_M422.cpp

@ -20,28 +20,29 @@
*
*/
#include "../../inc/MarlinConfig.h"
#include "../../inc/MarlinConfigPre.h"
#if ENABLED(Z_STEPPER_AUTO_ALIGN)
#include "../../feature/z_stepper_align.h"
#include "../gcode.h"
#include "../../module/planner.h"
#include "../../module/stepper.h"
#include "../../module/motion.h"
#include "../../module/stepper.h"
#include "../../module/planner.h"
#include "../../module/probe.h"
#if HAS_MULTI_HOTEND
#include "../../module/tool_change.h"
#endif
#include "../../lcd/ultralcd.h" // for LCD_MESSAGEPGM
#if HAS_LEVELING
#include "../../feature/bedlevel/bedlevel.h"
#endif
#if HAS_MULTI_HOTEND
#include "../../module/tool_change.h"
#endif
#if ENABLED(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
#include "../../libs/least_squares_fit.h"
#include "../../libs/least_squares_fit.h"
#endif
#define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE)
@ -117,7 +118,7 @@ void GcodeSuite::G34() {
// In BLTOUCH HS mode, the probe travels in a deployed state.
// Users of G34 might have a badly misaligned bed, so raise Z by the
// length of the deployed pin (BLTOUCH stroke < 7mm)
#define Z_BASIC_CLEARANCE Z_CLEARANCE_BETWEEN_PROBES + 7.0f * BOTH(BLTOUCH, BLTOUCH_HS_MODE)
#define Z_BASIC_CLEARANCE (Z_CLEARANCE_BETWEEN_PROBES + 7.0f * BOTH(BLTOUCH, BLTOUCH_HS_MODE))
// Compute a worst-case clearance height to probe from. After the first
// iteration this will be re-calculated based on the actual bed position
@ -154,21 +155,29 @@ void GcodeSuite::G34() {
z_maxdiff = 0.0f,
amplification = z_auto_align_amplification;
// These are needed after the for-loop
uint8_t iteration;
bool err_break = false;
float z_measured_min;
#if DISABLED(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
bool adjustment_reverse = false;
#endif
// 'iteration' is declared above and is also used after the for-loop.
// *not* the same as LOOP_L_N(iteration, z_auto_align_iterations)
for (iteration = 0; iteration < z_auto_align_iterations; ++iteration) {
#if HAS_DISPLAY
PGM_P const msg_iteration = GET_TEXT(MSG_ITERATION);
const uint8_t iter_str_len = strlen_P(msg_iteration);
#endif
// Final z and iteration values will be used after breaking the loop
float z_measured_min;
uint8_t iteration = 0;
bool err_break = false; // To break out of nested loops
while (iteration < z_auto_align_iterations) {
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("> probing all positions.");
SERIAL_ECHOLNPAIR("\nITERATION: ", int(iteration + 1));
const int iter = iteration + 1;
SERIAL_ECHOLNPAIR("\nG34 Iteration: ", iter);
#if HAS_DISPLAY
char str[iter_str_len + 2 + 1];
sprintf_P(str, msg_iteration, iter);
ui.set_status(str);
#endif
// Initialize minimum value
z_measured_min = 100000.0f;
@ -190,7 +199,8 @@ void GcodeSuite::G34() {
// current_position.z has been manually altered in the "dirty trick" above.
const float z_probed_height = probe.probe_at_point(z_stepper_align.xy[iprobe], raise_after, 0, true, false);
if (isnan(z_probed_height)) {
SERIAL_ECHOLNPGM("Probing failed.");
SERIAL_ECHOLNPGM("Probing failed");
LCD_MESSAGEPGM(MSG_LCD_PROBING_FAILED);
err_break = true;
break;
}
@ -249,8 +259,39 @@ void GcodeSuite::G34() {
, " Z3-Z1=", ABS(z_measured[2] - z_measured[0])
#endif
);
#if HAS_DISPLAY
char fstr1[10];
#if NUM_Z_STEPPER_DRIVERS == 2
char msg[6 + (6 + 5) * 1 + 1];
#else
char msg[6 + (6 + 5) * 3 + 1], fstr2[10], fstr3[10];
#endif
sprintf_P(msg,
PSTR("Diffs Z1-Z2=%s"
#if NUM_Z_STEPPER_DRIVERS == 3
" Z2-Z3=%s"
" Z3-Z1=%s"
#endif
), dtostrf(ABS(z_measured[0] - z_measured[1]), 1, 3, fstr1)
#if NUM_Z_STEPPER_DRIVERS == 3
, dtostrf(ABS(z_measured[1] - z_measured[2]), 1, 3, fstr2)
, dtostrf(ABS(z_measured[2] - z_measured[0]), 1, 3, fstr3)
#endif
);
ui.set_status(msg);
#endif
auto decreasing_accuracy = [](const float &v1, const float &v2){
if (v1 < v2 * 0.7f) {
SERIAL_ECHOLNPGM("Decreasing Accuracy Detected.");
LCD_MESSAGEPGM(MSG_DECREASING_ACCURACY);
return true;
}
return false;
};
#if ENABLED(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
// Check if the applied corrections go in the correct direction.
// Calculate the sum of the absolute deviations from the mean of the probe measurements.
// Compare to the last iteration to ensure it's getting better.
@ -266,11 +307,8 @@ void GcodeSuite::G34() {
z_align_level_indicator += ABS(z_measured[zstepper] - z_measured_mean);
// If it's getting worse, stop and throw an error
if (last_z_align_level_indicator < z_align_level_indicator * 0.7f) {
SERIAL_ECHOLNPGM("Decreasing accuracy detected.");
err_break = true;
break;
}
err_break = decreasing_accuracy(last_z_align_level_indicator, z_align_level_indicator);
if (err_break) break;
last_z_align_level_indicator = z_align_level_indicator;
#endif
@ -290,8 +328,7 @@ void GcodeSuite::G34() {
if (z_align_abs) amplification = (iteration == 1) ? _MIN(last_z_align_move[zstepper] / z_align_abs, 2.0f) : z_auto_align_amplification;
// Check for less accuracy compared to last move
if (last_z_align_move[zstepper] < z_align_abs * 0.7f) {
SERIAL_ECHOLNPGM("Decreasing accuracy detected.");
if (decreasing_accuracy(last_z_align_move[zstepper], z_align_abs)) {
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR("> Z", int(zstepper + 1), " last_z_align_move = ", last_z_align_move[zstepper]);
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR("> Z", int(zstepper + 1), " z_align_abs = ", z_align_abs);
adjustment_reverse = !adjustment_reverse;
@ -329,9 +366,14 @@ void GcodeSuite::G34() {
if (err_break) break;
if (success_break) { SERIAL_ECHOLNPGM("Target accuracy achieved."); break; }
if (success_break) {
SERIAL_ECHOLNPGM("Target accuracy achieved.");
LCD_MESSAGEPGM(MSG_ACCURACY_ACHIEVED);
break;
}
} // for (iteration)
iteration++;
} // while (iteration < z_auto_align_iterations)
if (err_break)
SERIAL_ECHOLNPGM("G34 aborted.");

2
Marlin/src/gcode/gcode.cpp

@ -327,7 +327,7 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
case 33: G33(); break; // G33: Delta Auto-Calibration
#endif
#if ENABLED(Z_STEPPER_AUTO_ALIGN)
#if EITHER(Z_STEPPER_AUTO_ALIGN, MECHANICAL_GANTRY_CALIBRATION)
case 34: G34(); break; // G34: Z Stepper automatic alignment using probe
#endif

5
Marlin/src/gcode/gcode.h

@ -465,11 +465,12 @@ private:
TERN_(DELTA_AUTO_CALIBRATION, static void G33());
#if ENABLED(Z_STEPPER_AUTO_ALIGN)
#if EITHER(Z_STEPPER_AUTO_ALIGN, MECHANICAL_GANTRY_CALIBRATION)
static void G34();
static void M422();
#endif
TERN_(Z_STEPPER_AUTO_ALIGN, static void M422());
TERN_(ASSISTED_TRAMMING, static void G35());
TERN_(G38_PROBE_TARGET, static void G38(const int8_t subcode));

17
Marlin/src/inc/SanityCheck.h

@ -422,7 +422,7 @@
#elif defined(CHAMBER_HEATER_PIN)
#error "CHAMBER_HEATER_PIN is now HEATER_CHAMBER_PIN. Please update your configuration and/or pins."
#elif defined(TMC_Z_CALIBRATION)
#error "TMC_Z_CALIBRATION has been deprecated in favor of Z_STEPPER_AUTO_ALIGN. Please update your configuration."
#error "TMC_Z_CALIBRATION has been deprecated in favor of MECHANICAL_GANTRY_CALIBRATION. Please update your configuration."
#elif defined(Z_MIN_PROBE_ENDSTOP)
#error "Z_MIN_PROBE_ENDSTOP is no longer required. Please remove it from Configuration.h."
#elif defined(DUAL_NOZZLE_DUPLICATION_MODE)
@ -2788,6 +2788,21 @@ static_assert( _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
#endif
#endif
#if ENABLED(MECHANICAL_GANTRY_CALIBRATION)
#if NONE(HAS_MOTOR_CURRENT_DAC, HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_DAC, HAS_TRINAMIC_CONFIG, HAS_MOTOR_CURRENT_PWM)
#error "It is highly recommended to have adjustable current drivers to prevent damage. Disable this line to continue anyway."
#elif !defined(GANTRY_CALIBRATION_CURRENT)
#error "MECHANICAL_GANTRY_CALIBRATION Requires GANTRY_CALIBRATION_CURRENT to be set."
#elif !defined(GANTRY_CALIBRATION_EXTRA_HEIGHT)
#error "MECHANICAL_GANTRY_CALIBRATION Requires GANTRY_CALIBRATION_EXTRA_HEIGHT to be set."
#elif !defined(GANTRY_CALIBRATION_FEEDRATE)
#error "MECHANICAL_GANTRY_CALIBRATION Requires GANTRY_CALIBRATION_FEEDRATE to be set."
#endif
#if defined(GANTRY_CALIBRATION_SAFE_POSITION) && !defined(GANTRY_CALIBRATION_XY_PARK_FEEDRATE)
#error "GANTRY_CALIBRATION_SAFE_POSITION Requires GANTRY_CALIBRATION_XY_PARK_FEEDRATE to be set."
#endif
#endif
#if ENABLED(PRINTCOUNTER) && DISABLED(EEPROM_SETTINGS)
#error "PRINTCOUNTER requires EEPROM_SETTINGS. Please update your Configuration."
#endif

3
Marlin/src/lcd/language/language_en.h

@ -67,6 +67,9 @@ namespace Language_en {
PROGMEM Language_Str MSG_AUTO_HOME_Z = _UxGT("Home Z");
PROGMEM Language_Str MSG_AUTO_Z_ALIGN = _UxGT("Auto Z-Align");
PROGMEM Language_Str MSG_ASSISTED_TRAMMING = _UxGT("Assisted Tramming");
PROGMEM Language_Str MSG_ITERATION = _UxGT("G34 Iteration: %i");
PROGMEM Language_Str MSG_DECREASING_ACCURACY = _UxGT("Accuracy Decreasing!");
PROGMEM Language_Str MSG_ACCURACY_ACHIEVED = _UxGT("Accuracy Achieved");
PROGMEM Language_Str MSG_LEVEL_BED_HOMING = _UxGT("Homing XYZ");
PROGMEM Language_Str MSG_LEVEL_BED_WAITING = _UxGT("Click to Begin");
PROGMEM Language_Str MSG_LEVEL_BED_NEXT_POINT = _UxGT("Next Point");

2
Marlin/src/lcd/menu/menu_motion.cpp

@ -358,7 +358,7 @@ void menu_motion() {
//
// Auto Z-Align
//
#if ENABLED(Z_STEPPER_AUTO_ALIGN)
#if EITHER(Z_STEPPER_AUTO_ALIGN, MECHANICAL_GANTRY_CALIBRATION)
GCODES_ITEM(MSG_AUTO_Z_ALIGN, PSTR("G34"));
#endif

2
buildroot/tests/LPC1769-tests

@ -61,7 +61,7 @@ opt_set MOTHERBOARD BOARD_COHESION3D_REMIX
opt_set X_DRIVER_TYPE TMC2130
opt_set Y_DRIVER_TYPE TMC2130
opt_set Z_DRIVER_TYPE TMC2130
opt_enable AUTO_BED_LEVELING_BILINEAR EEPROM_SETTINGS EEPROM_CHITCHAT \
opt_enable AUTO_BED_LEVELING_BILINEAR EEPROM_SETTINGS EEPROM_CHITCHAT MECHANICAL_GANTRY_CALIBRATION \
TMC_USE_SW_SPI MONITOR_DRIVER_STATUS STEALTHCHOP_XY STEALTHCHOP_Z HYBRID_THRESHOLD \
SENSORLESS_PROBING Z_SAFE_HOMING X_STALL_SENSITIVITY Y_STALL_SENSITIVITY Z_STALL_SENSITIVITY TMC_DEBUG \
EXPERIMENTAL_I2CBUS

2
platformio.ini

@ -110,6 +110,7 @@ default_src_filter = +<src/*> -<src/config> -<src/HAL> +<src/HAL/shared>
-<src/gcode/bedlevel/G42.cpp>
-<src/gcode/bedlevel/M420.cpp>
-<src/gcode/calibrate/G33.cpp>
-<src/gcode/calibrate/G34.cpp>
-<src/gcode/calibrate/G34_M422.cpp>
-<src/gcode/calibrate/G76_M192_M871.cpp>
-<src/gcode/calibrate/G425.cpp>
@ -309,6 +310,7 @@ MK2_MULTIPLEXER = src_filter=+<src/feature/snmm.cpp>
EXT_SOLENOID|MANUAL_SOLENOID_CONTROL = src_filter=+<src/feature/solenoid.cpp> +<src/gcode/control/M380_M381.cpp>
HAS_CUTTER = src_filter=+<src/feature/spindle_laser.cpp> +<src/gcode/control/M3-M5.cpp>
EXPERIMENTAL_I2CBUS = src_filter=+<src/feature/twibus.cpp> +<src/gcode/feature/i2c>
MECHANICAL_GANTRY_CAL.+ = src_filter=+<src/gcode/calibrate/G34.cpp>
Z_STEPPER_AUTO_ALIGN = src_filter=+<src/feature/z_stepper_align.cpp> +<src/gcode/calibrate/G34_M422.cpp>
G26_MESH_VALIDATION = src_filter=+<src/gcode/bedlevel/G26.cpp>
ASSISTED_TRAMMING = src_filter=+<src/gcode/bedlevel/G35.cpp>

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