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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 <http://www.gnu.org/licenses/>.
- *
- */
-
- /**
- * feature/spindle_laser.cpp
- */
-
- #include "../inc/MarlinConfig.h"
-
- #if HAS_CUTTER
-
- #include "spindle_laser.h"
-
- SpindleLaser cutter;
-
- cutter_power_t SpindleLaser::power;
- bool SpindleLaser::isOn; // state to determine when to apply setPower to power
- cutter_setPower_t SpindleLaser::setPower = interpret_power(SPEED_POWER_MIN); // spindle/laser speed/power control in PWM, Percentage or RPM
- #if ENABLED(MARLIN_DEV_MODE)
- cutter_frequency_t SpindleLaser::frequency; // setting PWM frequency; range: 2K - 50K
- #endif
- #define SPINDLE_LASER_PWM_OFF ((SPINDLE_LASER_PWM_INVERT) ? 255 : 0)
-
- //
- // Init the cutter to a safe OFF state
- //
- void SpindleLaser::init() {
- OUT_WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH); // Init spindle to off
- #if ENABLED(SPINDLE_CHANGE_DIR)
- OUT_WRITE(SPINDLE_DIR_PIN, SPINDLE_INVERT_DIR ? 255 : 0); // Init rotation to clockwise (M3)
- #endif
- #if ENABLED(SPINDLE_LASER_PWM)
- SET_PWM(SPINDLE_LASER_PWM_PIN);
- analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_PWM_OFF); // set to lowest speed
- #endif
- #if ENABLED(HAL_CAN_SET_PWM_FREQ) && defined(SPINDLE_LASER_FREQUENCY)
- set_pwm_frequency(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_FREQUENCY);
- TERN_(MARLIN_DEV_MODE, frequency = SPINDLE_LASER_FREQUENCY);
- #endif
- }
-
- #if ENABLED(SPINDLE_LASER_PWM)
-
- /**
- * Set the cutter PWM directly to the given ocr value
- **/
- void SpindleLaser::set_ocr(const uint8_t ocr) {
- WRITE(SPINDLE_LASER_ENA_PIN, SPINDLE_LASER_ACTIVE_HIGH); // turn spindle on
- analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), ocr ^ SPINDLE_LASER_PWM_OFF);
- }
-
- #endif
-
- //
- // Set cutter ON state (and PWM) to the given cutter power value
- //
- void SpindleLaser::apply_power(const cutter_power_t inpow) {
- static cutter_power_t last_power_applied = 0;
- if (inpow == last_power_applied) return;
- last_power_applied = inpow;
- #if ENABLED(SPINDLE_LASER_PWM)
- if (enabled())
- set_ocr(translate_power(inpow));
- else {
- WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH); // Turn spindle off
- analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_PWM_OFF); // Only write low byte
- }
- #else
- WRITE(SPINDLE_LASER_ENA_PIN, (SPINDLE_LASER_ACTIVE_HIGH) ? enabled() : !enabled());
- #endif
- }
-
- #if ENABLED(SPINDLE_CHANGE_DIR)
-
- //
- // Set the spindle direction and apply immediately
- // Stop on direction change if SPINDLE_STOP_ON_DIR_CHANGE is enabled
- //
- void SpindleLaser::set_direction(const bool reverse) {
- const bool dir_state = (reverse == SPINDLE_INVERT_DIR); // Forward (M3) HIGH when not inverted
- if (TERN0(SPINDLE_STOP_ON_DIR_CHANGE, enabled()) && READ(SPINDLE_DIR_PIN) != dir_state) disable();
- WRITE(SPINDLE_DIR_PIN, dir_state);
- }
-
- #endif
-
- #endif // HAS_CUTTER
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