Firmware2/Marlin/src/gcode/control/M999.cpp
2021-03-04 17:39:08 -06:00

46 lines
1.5 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 "../../lcd/marlinui.h" // for lcd_reset_alert_level
#include "../../MarlinCore.h" // for marlin_state
#include "../queue.h" // for flush_and_request_resend
/**
* M999: Restart after being stopped
*
* Default behavior is to flush the serial buffer and request
* a resend to the host starting on the last N line received.
*
* Sending "M999 S1" will resume printing without flushing the
* existing command buffer.
*/
void GcodeSuite::M999() {
marlin_state = MF_RUNNING;
ui.reset_alert_level();
if (parser.boolval('S')) return;
queue.flush_and_request_resend(queue.ring_buffer.command_port());
}