Files
onepilot/system/hardware/fan_controller.py
T
github-actions[bot] 6f34f74e9b sunnypilot v2026.001.000 release
date: 2026-04-10T22:07:44
master commit: 4ba0c4b574bff994e9a8f7266b4969b39380a8b1
2026-04-10 22:07:52 +08:00

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])
))