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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 "../../inc/MarlinConfig.h"
-
- #if HAS_CUTTER
-
- #include "../gcode.h"
- #include "../../feature/spindle_laser.h"
- #include "../../module/stepper.h"
-
- /**
- * Laser:
- * M3 - Laser ON/Power (Ramped power)
- * M4 - Laser ON/Power (Continuous power)
- *
- * Spindle:
- * M3 - Spindle ON (Clockwise)
- * M4 - Spindle ON (Counter-clockwise)
- *
- * Parameters:
- * S<power> - Set power. S0 will turn the spindle/laser off, except in relative mode.
- * O<ocr> - Set power and OCR (oscillator count register)
- *
- * If no PWM pin is defined then M3/M4 just turns it on.
- *
- * At least 12.8KHz (50Hz * 256) is needed for Spindle PWM.
- * Hardware PWM is required on AVR. ISRs are too slow.
- *
- * NOTE: WGM for timers 3, 4, and 5 must be either Mode 1 or Mode 5.
- * No other settings give a PWM signal that goes from 0 to 5 volts.
- *
- * The system automatically sets WGM to Mode 1, so no special
- * initialization is needed.
- *
- * WGM bits for timer 2 are automatically set by the system to
- * Mode 1. This produces an acceptable 0 to 5 volt signal.
- * No special initialization is needed.
- *
- * NOTE: A minimum PWM frequency of 50 Hz is needed. All prescaler
- * factors for timers 2, 3, 4, and 5 are acceptable.
- *
- * SPINDLE_LASER_ENA_PIN needs an external pullup or it may power on
- * the spindle/laser during power-up or when connecting to the host
- * (usually goes through a reset which sets all I/O pins to tri-state)
- *
- * PWM duty cycle goes from 0 (off) to 255 (always on).
- */
- void GcodeSuite::M3_M4(const bool is_M4) {
- auto get_s_power = [] {
- if (parser.seenval('S')) {
- const float spwr = parser.value_float();
- #if ENABLED(SPINDLE_SERVO)
- cutter.unitPower = spwr;
- #else
- cutter.unitPower = TERN(SPINDLE_LASER_PWM,
- cutter.power_to_range(cutter_power_t(round(spwr))),
- spwr > 0 ? 255 : 0);
- #endif
- }
- else
- cutter.unitPower = cutter.cpwr_to_upwr(SPEED_POWER_STARTUP);
- return cutter.unitPower;
- };
-
- #if ENABLED(LASER_POWER_INLINE)
- if (parser.seen('I') == DISABLED(LASER_POWER_INLINE_INVERT)) {
- // Laser power in inline mode
- cutter.inline_direction(is_M4); // Should always be unused
- #if ENABLED(SPINDLE_LASER_PWM)
- if (parser.seen('O')) {
- cutter.unitPower = cutter.power_to_range(parser.value_byte(), 0);
- cutter.inline_ocr_power(cutter.unitPower); // The OCR is a value from 0 to 255 (uint8_t)
- }
- else
- cutter.inline_power(cutter.upower_to_ocr(get_s_power()));
- #else
- cutter.set_inline_enabled(true);
- #endif
- return;
- }
- // Non-inline, standard case
- cutter.inline_disable(); // Prevent future blocks re-setting the power
- #endif
-
- planner.synchronize(); // Wait for previous movement commands (G0/G0/G2/G3) to complete before changing power
- cutter.set_reverse(is_M4);
-
- #if ENABLED(SPINDLE_LASER_PWM)
- if (parser.seenval('O')) {
- cutter.unitPower = cutter.power_to_range(parser.value_byte(), 0);
- cutter.ocr_set_power(cutter.unitPower); // The OCR is a value from 0 to 255 (uint8_t)
- }
- else
- cutter.set_power(cutter.upower_to_ocr(get_s_power()));
- #elif ENABLED(SPINDLE_SERVO)
- cutter.set_power(get_s_power());
- #else
- cutter.set_enabled(true);
- #endif
- cutter.menuPower = cutter.unitPower;
- }
-
- /**
- * M5 - Cutter OFF (when moves are complete)
- */
- void GcodeSuite::M5() {
- #if ENABLED(LASER_POWER_INLINE)
- if (parser.seen('I') == DISABLED(LASER_POWER_INLINE_INVERT)) {
- cutter.set_inline_enabled(false); // Laser power in inline mode
- return;
- }
- // Non-inline, standard case
- cutter.inline_disable(); // Prevent future blocks re-setting the power
- #endif
- planner.synchronize();
- cutter.set_enabled(false);
- cutter.menuPower = cutter.unitPower;
- }
-
- #endif // HAS_CUTTER
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