119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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/**
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* feature/spindle_laser.cpp
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*/
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#include "../inc/MarlinConfig.h"
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#if HAS_CUTTER
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#include "spindle_laser.h"
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SpindleLaser cutter;
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uint8_t SpindleLaser::power;
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bool SpindleLaser::isReady; // Ready to apply power setting from the UI to OCR
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cutter_power_t SpindleLaser::menuPower, // Power set via LCD menu in PWM, PERCENT, or RPM
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SpindleLaser::unitPower; // LCD status power in PWM, PERCENT, or RPM
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#if ENABLED(MARLIN_DEV_MODE)
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cutter_frequency_t SpindleLaser::frequency; // PWM frequency setting; range: 2K - 50K
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#endif
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#define SPINDLE_LASER_PWM_OFF ((SPINDLE_LASER_PWM_INVERT) ? 255 : 0)
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//
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// Init the cutter to a safe OFF state
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//
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void SpindleLaser::init() {
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OUT_WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_STATE); // Init spindle to off
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#if ENABLED(SPINDLE_CHANGE_DIR)
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OUT_WRITE(SPINDLE_DIR_PIN, SPINDLE_INVERT_DIR ? 255 : 0); // Init rotation to clockwise (M3)
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#endif
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#if ENABLED(SPINDLE_LASER_PWM)
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SET_PWM(SPINDLE_LASER_PWM_PIN);
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_PWM_OFF); // Set to lowest speed
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#endif
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#if ENABLED(HAL_CAN_SET_PWM_FREQ) && defined(SPINDLE_LASER_FREQUENCY)
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set_pwm_frequency(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_FREQUENCY);
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TERN_(MARLIN_DEV_MODE, frequency = SPINDLE_LASER_FREQUENCY);
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#endif
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}
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#if ENABLED(SPINDLE_LASER_PWM)
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/**
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* Set the cutter PWM directly to the given ocr value
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*/
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void SpindleLaser::set_ocr(const uint8_t ocr) {
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WRITE(SPINDLE_LASER_ENA_PIN, SPINDLE_LASER_ACTIVE_STATE); // Turn spindle on
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), ocr ^ SPINDLE_LASER_PWM_OFF);
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#if NEEDS_HARDWARE_PWM && SPINDLE_LASER_FREQUENCY
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set_pwm_duty(pin_t(SPINDLE_LASER_PWM_PIN), ocr ^ SPINDLE_LASER_PWM_OFF);
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#endif
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}
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void SpindleLaser::ocr_off() {
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WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_STATE); // Turn spindle off
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_PWM_OFF); // Only write low byte
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}
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#endif
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//
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// Set cutter ON/OFF state (and PWM) to the given cutter power value
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//
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void SpindleLaser::apply_power(const uint8_t opwr) {
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static uint8_t last_power_applied = 0;
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if (opwr == last_power_applied) return;
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last_power_applied = opwr;
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power = opwr;
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#if ENABLED(SPINDLE_LASER_PWM)
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if (cutter.unitPower == 0 && CUTTER_UNIT_IS(RPM)) {
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ocr_off();
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isReady = false;
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}
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else if (enabled() || ENABLED(CUTTER_POWER_RELATIVE)) {
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set_ocr(power);
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isReady = true;
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}
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else {
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ocr_off();
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isReady = false;
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}
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#else
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WRITE(SPINDLE_LASER_ENA_PIN, enabled() ? SPINDLE_LASER_ACTIVE_STATE : !SPINDLE_LASER_ACTIVE_STATE);
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isReady = true;
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#endif
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}
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#if ENABLED(SPINDLE_CHANGE_DIR)
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//
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// Set the spindle direction and apply immediately
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// Stop on direction change if SPINDLE_STOP_ON_DIR_CHANGE is enabled
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//
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void SpindleLaser::set_direction(const bool reverse) {
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const bool dir_state = (reverse == SPINDLE_INVERT_DIR); // Forward (M3) HIGH when not inverted
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if (TERN0(SPINDLE_STOP_ON_DIR_CHANGE, enabled()) && READ(SPINDLE_DIR_PIN) != dir_state) disable();
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WRITE(SPINDLE_DIR_PIN, dir_state);
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}
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#endif
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#endif // HAS_CUTTER
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