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62 lines
2.0 KiB
62 lines
2.0 KiB
7 years ago
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* M428: Set home_offset based on the distance between the
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* current_position and the nearest "reference point."
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* If an axis is past center its endstop position
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* is the reference-point. Otherwise it uses 0. This allows
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* the Z offset to be set near the bed when using a max endstop.
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*
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* M428 can't be used more than 2cm away from 0 or an endstop.
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*
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* Use M206 to set these values directly.
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*/
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void gcode_M428() {
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bool err = false;
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LOOP_XYZ(i) {
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if (axis_homed[i]) {
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const float base = (current_position[i] > (soft_endstop_min[i] + soft_endstop_max[i]) * 0.5) ? base_home_pos((AxisEnum)i) : 0,
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diff = base - RAW_POSITION(current_position[i], i);
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if (WITHIN(diff, -20, 20)) {
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set_home_offset((AxisEnum)i, diff);
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}
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else {
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SERIAL_ERROR_START();
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SERIAL_ERRORLNPGM(MSG_ERR_M428_TOO_FAR);
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LCD_ALERTMESSAGEPGM("Err: Too far!");
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BUZZ(200, 40);
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err = true;
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break;
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}
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}
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}
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if (!err) {
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SYNC_PLAN_POSITION_KINEMATIC();
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report_current_position();
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LCD_MESSAGEPGM(MSG_HOME_OFFSETS_APPLIED);
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BUZZ(100, 659);
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BUZZ(100, 698);
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}
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}
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