Initial split-up of G-code handlers by category
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52
Marlin/src/gcode/feature/advance/M900.h
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52
Marlin/src/gcode/feature/advance/M900.h
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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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* M900: Set and/or Get advance K factor and WH/D ratio
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*
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* K<factor> Set advance K factor
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* R<ratio> Set ratio directly (overrides WH/D)
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* W<width> H<height> D<diam> Set ratio from WH/D
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*/
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void gcode_M900() {
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stepper.synchronize();
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const float newK = parser.floatval('K', -1);
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if (newK >= 0) planner.extruder_advance_k = newK;
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float newR = parser.floatval('R', -1);
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if (newR < 0) {
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const float newD = parser.floatval('D', -1),
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newW = parser.floatval('W', -1),
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newH = parser.floatval('H', -1);
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if (newD >= 0 && newW >= 0 && newH >= 0)
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newR = newD ? (newW * newH) / (sq(newD * 0.5) * M_PI) : 0;
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}
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if (newR >= 0) planner.advance_ed_ratio = newR;
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SERIAL_ECHO_START();
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SERIAL_ECHOPAIR("Advance K=", planner.extruder_advance_k);
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SERIAL_ECHOPGM(" E/D=");
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const float ratio = planner.advance_ed_ratio;
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if (ratio) SERIAL_ECHO(ratio); else SERIAL_ECHOPGM("Auto");
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SERIAL_EOL();
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}
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