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planner.cpp: Add FAN_MIN_PWM for slow fan stopping issue …

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@CONSULitAS

planner.cpp: Add FAN_MIN_PWM for slow fan stopping issue (V2.1 with
macro and linear scaling)

@thinkyhead thanks for idea on linear scaling
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CONSULitAS 2015-05-18 22:26:17 +02:00 committed by Richard Wackerbarth
parent 5239a4e839
commit e55e65d1e4
1 changed files with 10 additions and 5 deletions
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13
Marlin/planner.cpp
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@ -441,11 +441,16 @@ void check_axes_activity() {
fan_kick_end = 0;
}
#endif //FAN_KICKSTART_TIME
#ifdef FAN_SOFT_PWM
fanSpeedSoftPwm = tail_fan_speed;
#ifdef FAN_MIN_PWM
#define CALC_FAN_SPEED (tail_fan_speed ? ( FAN_MIN_PWM + (tail_fan_speed * (255 - FAN_MIN_PWM)) / 255 ) : 0)
#else
analogWrite(FAN_PIN, tail_fan_speed);
#endif //!FAN_SOFT_PWM
#define CALC_FAN_SPEED tail_fan_speed
#endif // FAN_MIN_PWM
#ifdef FAN_SOFT_PWM
fanSpeedSoftPwm = CALC_FAN_SPEED;
#else
analogWrite(FAN_PIN, CALC_FAN_SPEED);
#endif // FAN_SOFT_PWM
#endif // HAS_FAN
#ifdef AUTOTEMP