Files
sunnypilot/system/hardware/fan_controller.py
github-actions[bot] f398269b1a sunnypilot v2026.04.06-4377
version: sunnypilot v2026.001.000 (dev)
date: 2026-04-06T01:24:35
master commit: 8fec761f89
2026-04-06 01:24:35 +00:00

24 lines
724 B
Python
Executable File

#!/usr/bin/env python3
import numpy as np
from openpilot.common.pid import PIDController
class FanController:
def __init__(self, rate: int) -> None:
self.last_ignition = False
self.controller = PIDController(k_p=0, k_i=4e-3, rate=rate)
def update(self, cur_temp: float, ignition: bool) -> int:
self.controller.pos_limit = 100 if ignition else 30
self.controller.neg_limit = 30 if ignition else 0
if ignition != self.last_ignition:
self.controller.reset()
self.last_ignition = ignition
return int(self.controller.update(
error=(cur_temp - 75), # temperature setpoint in C
feedforward=np.interp(cur_temp, [60.0, 100.0], [0, 100])
))