Added option to increase the FAN PWM frequency.

2012-05-02 19:26:14 +02:00
parent 6a5a34e0ff
commit 1874cb71a6
4 changed files with 82 additions and 1 deletions
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@ -559,6 +559,9 @@ void tp_init()
  #endif  
  #if (FAN_PIN > -1) 
    SET_OUTPUT(FAN_PIN);
+    #ifdef FAST_PWM_FAN
+    setPwmFrequency(FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8
+    #endif
  #endif  

  #ifdef HEATER_0_USES_MAX6675