Fix OCR / PWM calculation (#18094)

Fixes #17968
2020-05-26 00:14:15 +02:00
parent de89a4b7c1
commit f776260d7a
1 changed files with 1 additions and 1 deletions
--- a/Marlin/src/HAL/AVR/fast_pwm.cpp
+++ b/Marlin/src/HAL/AVR/fast_pwm.cpp
@@ -274,7 +274,7 @@ void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255
    else
      top = *timer.ICRn; // top = ICRn

-    _SET_OCRnQ(timer.OCRnQ, timer.q, v * float(top / v_size)); // Scale 8/16-bit v to top value
+    _SET_OCRnQ(timer.OCRnQ, timer.q, v * float(top) / float(v_size)); // Scale 8/16-bit v to top value
  }
 }