94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
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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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#include "../gcode.h"
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#include "../../module/motion.h"
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//#include "../../module/stepper.h"
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#if ENABLED(CNC_COORDINATE_SYSTEMS)
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/**
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* Select a coordinate system and update the current position.
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* System index -1 is used to specify machine-native.
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*/
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bool GCodeSuite::select_coordinate_system(const int8_t _new) {
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if (active_coordinate_system == _new) return false;
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stepper.synchronize();
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float old_offset[XYZ] = { 0 }, new_offset[XYZ] = { 0 };
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if (WITHIN(active_coordinate_system, 0, MAX_COORDINATE_SYSTEMS - 1))
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COPY(old_offset, coordinate_system[active_coordinate_system]);
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if (WITHIN(_new, 0, MAX_COORDINATE_SYSTEMS - 1))
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COPY(new_offset, coordinate_system[_new]);
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active_coordinate_system = _new;
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bool didXYZ = false;
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LOOP_XYZ(i) {
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const float diff = new_offset[i] - old_offset[i];
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if (diff) {
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position_shift[i] += diff;
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update_software_endstops((AxisEnum)i);
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didXYZ = true;
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}
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}
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if (didXYZ) SYNC_PLAN_POSITION_KINEMATIC();
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return true;
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}
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/**
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* In CNC G-code G53 is like a modifier
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* It precedes a movement command (or other modifiers) on the same line.
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* This is the first command to use parser.chain() to make this possible.
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*/
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void GCodeSuite::G53() {
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// If this command has more following...
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if (parser.chain()) {
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const int8_t _system = active_coordinate_system;
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active_coordinate_system = -1;
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process_parsed_command();
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active_coordinate_system = _system;
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}
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}
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/**
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* G54-G59.3: Select a new workspace
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*
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* A workspace is an XYZ offset to the machine native space.
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* All workspaces default to 0,0,0 at start, or with EEPROM
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* support they may be restored from a previous session.
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*
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* G92 is used to set the current workspace's offset.
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*/
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void G54_59(uint8_t subcode=0) {
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const int8_t _space = parser.codenum - 54 + subcode;
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if (gcode.select_coordinate_system(_space)) {
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SERIAL_PROTOCOLLNPAIR("Select workspace ", _space);
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report_current_position();
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}
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}
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void GCodeSuite::G54() { G54_59(); }
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void GCodeSuite::G55() { G54_59(); }
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void GCodeSuite::G56() { G54_59(); }
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void GCodeSuite::G57() { G54_59(); }
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void GCodeSuite::G58() { G54_59(); }
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void GCodeSuite::G59() { G54_59(parser.subcode); }
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#endif // CNC_COORDINATE_SYSTEMS
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