diff options
| -rw-r--r-- | config/example.cfg | 5 | ||||
| -rw-r--r-- | klippy/extras/fan.py | 4 |
2 files changed, 5 insertions, 4 deletions
diff --git a/config/example.cfg b/config/example.cfg index fa293abc..5b9b3264 100644 --- a/config/example.cfg +++ b/config/example.cfg @@ -253,8 +253,9 @@ pin: ar9 # constrained by the implementation and may be significantly # different than the requested cycle_time. The default is False. #kick_start_time: 0.100 -# Time (in seconds) to run the fan at full speed when first enabling -# it (helps get the fan spinning). The default is 0.100 seconds. +# Time (in seconds) to run the fan at full speed when either first +# enabling or increasing it by more than 50% (helps get the fan spinning). +# The default is 0.100 seconds. #off_below: 0.0 # The minimum input speed which will power the fan (expressed as a # value from 0.0 to 1.0). When a speed lower than off_below is diff --git a/klippy/extras/fan.py b/klippy/extras/fan.py index 0b5aac92..571d7052 100644 --- a/klippy/extras/fan.py +++ b/klippy/extras/fan.py @@ -42,8 +42,8 @@ class PrinterFan: if value == self.last_fan_value: return print_time = max(self.last_fan_time + FAN_MIN_TIME, print_time) - if (value and value < self.max_power - and not self.last_fan_value and self.kick_start_time): + if (value and value < self.max_power and self.kick_start_time + and (not self.last_fan_value or value - self.last_fan_value > .5)): # Run fan at full speed for specified kick_start_time self.mcu_fan.set_pwm(print_time, self.max_power) print_time += self.kick_start_time |