Marlin/Marlin/src/gcode/config/M220.cpp
2025-06-16 14:23:17 -05:00

49 lines
1.6 KiB
C++

/**
* 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 Feedrate Percentage
*
* Parameters:
* None Report the current speed percentage factor
* S<percent> Set the feed rate percentage factor
*
* For MMU2 and MMU2S devices:
* B<flag> Back up the current factor
* R<flag> Restore the last-saved factor
*/
void GcodeSuite::M220() {
if (!parser.seen_any()) {
SERIAL_ECHOLNPGM("FR:", feedrate_percentage, "%");
return;
}
static int16_t backup_feedrate_percentage = 100;
const int16_t now_feedrate_perc = feedrate_percentage;
if (parser.seen_test('R')) feedrate_percentage = backup_feedrate_percentage;
if (parser.seen_test('B')) backup_feedrate_percentage = now_feedrate_perc;
if (parser.seenval('S')) feedrate_percentage = parser.value_int();
}