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- /**
- * 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 "../gcode.h"
- #include "../../module/motion.h"
-
- /**
- * M220: Set speed percentage factor, aka "Feed Rate"
- *
- * Parameters
- * S<percent> : Set the feed rate percentage factor
- *
- * Report the current speed percentage factor if no parameter is specified
- *
- * For MMU2 and MMU2S devices...
- * B : Flag to back up the current factor
- * R : Flag to restore the last-saved factor
- */
- void GcodeSuite::M220() {
-
- static int16_t backup_feedrate_percentage = 100;
- if (parser.seen('B')) backup_feedrate_percentage = feedrate_percentage;
- if (parser.seen('R')) feedrate_percentage = backup_feedrate_percentage;
-
- if (parser.seenval('S')) feedrate_percentage = parser.value_int();
-
- if (!parser.seen_any()) {
- SERIAL_ECHOPGM("FR:", feedrate_percentage);
- SERIAL_CHAR('%');
- SERIAL_EOL();
- }
- }
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