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Diffstat (limited to 'Marlin/src/gcode/control/M3-M5.cpp')
| -rw-r--r-- | Marlin/src/gcode/control/M3-M5.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/Marlin/src/gcode/control/M3-M5.cpp b/Marlin/src/gcode/control/M3-M5.cpp new file mode 100644 index 0000000..711bb7e --- /dev/null +++ b/Marlin/src/gcode/control/M3-M5.cpp @@ -0,0 +1,140 @@ +/** + * 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.set_ocr_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 |