/** * 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 . * */ #include "../gcode.h" #include "../../module/motion.h" /** * M220: Set speed percentage factor, aka "Feed Rate" * * Parameters * S : Set the feed rate percentage factor * * Report the current speed percentage factor if no parameter is specified * * With PRUSA_MMU2... * B : Flag to back up the current factor * R : Flag to restore the last-saved factor */ void GcodeSuite::M220() { #if ENABLED(PRUSA_MMU2) 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; #endif if (parser.seenval('S')) feedrate_percentage = parser.value_int(); if (!parser.seen_any()) { SERIAL_ECHOPAIR("FR:", feedrate_percentage); SERIAL_CHAR('%'); SERIAL_EOL(); } }