Marlin_Firmware/Marlin/src/gcode/geometry/G92.h

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/**
* 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/>.
*
*/
/**
* G92: Set current position to given X Y Z E
*/
void gcode_G92() {
bool didXYZ = false,
didE = parser.seenval('E');
if (!didE) stepper.synchronize();
LOOP_XYZE(i) {
if (parser.seenval(axis_codes[i])) {
#if IS_SCARA
current_position[i] = parser.value_axis_units((AxisEnum)i);
if (i != E_AXIS) didXYZ = true;
#else
#if HAS_POSITION_SHIFT
const float p = current_position[i];
#endif
const float v = parser.value_axis_units((AxisEnum)i);
current_position[i] = v;
if (i != E_AXIS) {
didXYZ = true;
#if HAS_POSITION_SHIFT
position_shift[i] += v - p; // Offset the coordinate space
update_software_endstops((AxisEnum)i);
#if ENABLED(I2C_POSITION_ENCODERS)
I2CPEM.encoders[I2CPEM.idx_from_axis((AxisEnum)i)].set_axis_offset(position_shift[i]);
#endif
#endif
}
#endif
}
}
if (didXYZ)
SYNC_PLAN_POSITION_KINEMATIC();
else if (didE)
sync_plan_position_e();
report_current_position();
}