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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/planner.h"
-
- #if HAS_EXTRUDERS
-
- /**
- * M221: Set extrusion percentage (M221 T0 S95)
- */
- void GcodeSuite::M221() {
-
- const int8_t target_extruder = get_target_extruder_from_command();
- if (target_extruder < 0) return;
-
- if (parser.seenval('S'))
- planner.set_flow(target_extruder, parser.value_int());
- else {
- SERIAL_ECHO_START();
- SERIAL_CHAR('E', '0' + target_extruder);
- SERIAL_ECHOPGM(" Flow: ", planner.flow_percentage[target_extruder]);
- SERIAL_CHAR('%');
- SERIAL_EOL();
- }
- }
-
- #endif // EXTRUDERS
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