Fix Spindle/Laser PWM DC (#18871)

4 years ago · 02a500dc93
1 changed files with 3 additions and 0 deletions
--- a/Marlin/src/feature/spindle_laser.cpp
+++ b/Marlin/src/feature/spindle_laser.cpp
@ -66,6 +66,9 @@ void SpindleLaser::init() {
  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);
+    #if NEEDS_HARDWARE_PWM && SPINDLE_LASER_FREQUENCY
+      set_pwm_duty(pin_t(SPINDLE_LASER_PWM_PIN), ocr ^ SPINDLE_LASER_PWM_OFF);
+    #endif 
  }
  void SpindleLaser::ocr_off() {
    WRITE(SPINDLE_LASER_ENA_PIN, !SPINDLE_LASER_ACTIVE_HIGH);       // Turn spindle off