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temperature_fan: Fix divide by zero error when pid_Ki is zero 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2022-04-07 12:11:54 -04:00
parent 647a1cd8ca
commit 22297229b7
1 changed files with 3 additions and 1 deletions
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4
klippy/extras/temperature_fan.py
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@ -147,7 +147,9 @@ class ControlPID:
self.Ki = config.getfloat('pid_Ki') / PID_PARAM_BASE self.Ki = config.getfloat('pid_Ki') / PID_PARAM_BASE
self.Kd = config.getfloat('pid_Kd') / PID_PARAM_BASE self.Kd = config.getfloat('pid_Kd') / PID_PARAM_BASE
self.min_deriv_time = config.getfloat('pid_deriv_time', 2., above=0.) self.min_deriv_time = config.getfloat('pid_deriv_time', 2., above=0.)
self.temp_integ_max = self.temperature_fan.get_max_speed() / self.Ki self.temp_integ_max = 0.
if self.Ki:
self.temp_integ_max = self.temperature_fan.get_max_speed() / self.Ki
self.prev_temp = AMBIENT_TEMP self.prev_temp = AMBIENT_TEMP
self.prev_temp_time = 0. self.prev_temp_time = 0.
self.prev_temp_deriv = 0. self.prev_temp_deriv = 0.