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| author | Kevin O'Connor <kevin@koconnor.net> | 2022-04-07 12:11:54 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2022-04-07 12:11:54 -0400 |
| commit | 22297229b7be6e2fd9d6496c887fff2bfc8ca032 (patch) | |
| tree | 20c24826250395e8201a2efee7c9d4fa59512349 | |
| parent | 647a1cd8caacdae5e9f2c791688fe649d376b99b (diff) | |
| download | kutter-22297229b7be6e2fd9d6496c887fff2bfc8ca032.tar.gz kutter-22297229b7be6e2fd9d6496c887fff2bfc8ca032.tar.xz kutter-22297229b7be6e2fd9d6496c887fff2bfc8ca032.zip | |
temperature_fan: Fix divide by zero error when pid_Ki is zero
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | klippy/extras/temperature_fan.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/klippy/extras/temperature_fan.py b/klippy/extras/temperature_fan.py index 92dda7e0..aee94f28 100644 --- a/klippy/extras/temperature_fan.py +++ b/klippy/extras/temperature_fan.py @@ -147,7 +147,9 @@ class ControlPID: self.Ki = config.getfloat('pid_Ki') / 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.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_time = 0. self.prev_temp_deriv = 0. |