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@ -34,14 +34,16 @@ SpindleLaser cutter;
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cutter_power_t SpindleLaser::power; // = 0
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cutter_power_t SpindleLaser::power; // = 0
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#define SPINDLE_LASER_PWM_OFF ((SPINDLE_LASER_PWM_INVERT) ? 255 : 0)
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void SpindleLaser::init() {
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void SpindleLaser::init() {
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OUT_WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH); // Init spindle to off
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OUT_WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH); // Init spindle to off
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#if ENABLED(SPINDLE_CHANGE_DIR)
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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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OUT_WRITE(SPINDLE_DIR_PIN, SPINDLE_INVERT_DIR ? 255 : 0); // Init rotation to clockwise (M3)
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#endif
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#endif
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#if ENABLED(SPINDLE_LASER_PWM) && PIN_EXISTS(SPINDLE_LASER_PWM)
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#if ENABLED(SPINDLE_LASER_PWM)
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SET_PWM(SPINDLE_LASER_PWM_PIN);
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SET_PWM(SPINDLE_LASER_PWM_PIN);
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_PWM_INVERT ? 255 : 0); // set to lowest speed
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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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#endif
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}
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}
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@ -54,34 +56,34 @@ void SpindleLaser::init() {
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*/
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*/
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void SpindleLaser::set_ocr(const uint8_t ocr) {
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void SpindleLaser::set_ocr(const uint8_t ocr) {
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WRITE(SPINDLE_LASER_ENA_PIN, SPINDLE_LASER_ACTIVE_HIGH); // turn spindle on (active low)
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WRITE(SPINDLE_LASER_ENA_PIN, SPINDLE_LASER_ACTIVE_HIGH); // turn spindle on (active low)
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#if ENABLED(SPINDLE_LASER_PWM)
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), ocr ^ SPINDLE_LASER_PWM_OFF);
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), (SPINDLE_LASER_PWM_INVERT) ? 255 - ocr : ocr);
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#endif
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}
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}
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#endif
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#endif
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void SpindleLaser::update_output() {
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void SpindleLaser::apply_power(const cutter_power_t inpow) {
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const bool ena = enabled();
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static cutter_power_t last_power_applied = 0;
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if (inpow == last_power_applied) return;
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last_power_applied = inpow;
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#if ENABLED(SPINDLE_LASER_PWM)
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#if ENABLED(SPINDLE_LASER_PWM)
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if (ena) {
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if (enabled()) {
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#define _scaled(F) ((F - (SPEED_POWER_INTERCEPT)) * inv_slope)
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constexpr float inv_slope = RECIPROCAL(SPEED_POWER_SLOPE),
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constexpr float inv_slope = RECIPROCAL(SPEED_POWER_SLOPE),
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min_ocr = (SPEED_POWER_MIN - (SPEED_POWER_INTERCEPT)) * inv_slope, // Minimum allowed
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min_ocr = _scaled(SPEED_POWER_MIN),
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max_ocr = (SPEED_POWER_MAX - (SPEED_POWER_INTERCEPT)) * inv_slope; // Maximum allowed
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max_ocr = _scaled(SPEED_POWER_MAX);
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int16_t ocr_val;
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int16_t ocr_val;
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if (power <= SPEED_POWER_MIN) ocr_val = min_ocr; // Use minimum if set below
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if (inpow <= SPEED_POWER_MIN) ocr_val = min_ocr; // Use minimum if set below
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else if (power >= SPEED_POWER_MAX) ocr_val = max_ocr; // Use maximum if set above
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else if (inpow >= SPEED_POWER_MAX) ocr_val = max_ocr; // Use maximum if set above
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else ocr_val = (power - (SPEED_POWER_INTERCEPT)) * inv_slope; // Use calculated OCR value
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else ocr_val = _scaled(inpow); // Use calculated OCR value
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set_ocr(ocr_val & 0xFF); // ...limited to Atmel PWM max
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set_ocr(ocr_val & 0xFF); // ...limited to Atmel PWM max
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}
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}
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else { // Convert RPM to PWM duty cycle
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else {
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WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH); // Turn spindle off (active low)
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WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH); // Turn spindle off (active low)
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analogWrite(pin_t(SPINDLE_LASER_PWM_PIN), SPINDLE_LASER_PWM_INVERT ? 255 : 0); // Only write low byte
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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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}
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#else
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#else
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WRITE(SPINDLE_LASER_ENA_PIN, ena ? SPINDLE_LASER_ACTIVE_HIGH : !SPINDLE_LASER_ACTIVE_HIGH);
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WRITE(SPINDLE_LASER_ENA_PIN, (SPINDLE_LASER_ACTIVE_HIGH) ? enabled() : !enabled());
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#endif
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#endif
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power_delay(ena);
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}
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}
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#if ENABLED(SPINDLE_CHANGE_DIR)
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#if ENABLED(SPINDLE_CHANGE_DIR)
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