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forked from IQ.Lvbs/IQ.Pilot
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2026-08-22 23:42:42 -05:00

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Python

"""
Copyright © IQ.Lvbs, apart of Project Teal Lvbs, All Rights Reserved, licensed under https://konn3kt.com/tos
Always-on-Lateral adapter for Chrysler. CarState reads the LKAS toggle button
(and the forwarded LKAS heartbeat); CarController tracks the AOL state and, when
AOL is available, drives the LKAS_DISABLED bit the dash reads from the heartbeat.
"""
from enum import StrEnum
from collections import namedtuple
from iqdbc.car import Bus, structs
from iqdbc.car.chrysler.values import RAM_CARS
from iqdbc.lvbs.aol_base import AolCarStateBase
from iqdbc.can.parser import CANParser
AolDataIQ = namedtuple("AolDataIQ", ["enable_aol", "paused", "lkas_disabled"])
ButtonType = structs.CarState.ButtonEvent.Type
_HEARTBIT_FIELDS = ("LKAS_DISABLED", "AUTO_HIGH_BEAM", "FORWARD_1", "FORWARD_2", "FORWARD_3")
class AolCarController:
def __init__(self):
self.aol = AolDataIQ(False, False, False)
@staticmethod
def create_lkas_heartbit(packer, lkas_heartbit, aol):
values = {name: lkas_heartbit[name] for name in _HEARTBIT_FIELDS}
if aol.enable_aol:
values["LKAS_DISABLED"] = 1 if aol.lkas_disabled else 0
return packer.make_can_msg("LKAS_HEARTBIT", 0, values)
@staticmethod
def aol_status_update(CC: structs.CarControl, CC_IQ: structs.IQCarControl, CS) -> AolDataIQ:
enable_aol = CC_IQ.aol.available
paused = CC_IQ.aol.enabled and not CC.latActive
# A tap of the LKAS button flips the driver's "LKAS disabled" preference.
if any(be.type == ButtonType.lkas and be.pressed for be in CS.out.buttonEvents):
CS.lkas_disabled = not CS.lkas_disabled
return AolDataIQ(enable_aol, paused, CS.lkas_disabled)
def update(self, CC: structs.CarControl, CC_IQ: structs.IQCarControl, CS) -> None:
self.aol = self.aol_status_update(CC, CC_IQ, CS)
class AolCarState(AolCarStateBase):
def __init__(self, CP: structs.CarParams, CP_IQ: structs.IQCarParams):
super().__init__(CP, CP_IQ)
self.lkas_heartbit = 0
self.init_lkas_disabled = False
self.lkas_disabled = False
@staticmethod
def get_parser(CP, pt_messages, cam_messages) -> None:
if CP.carFingerprint in RAM_CARS:
pt_messages.append(("Center_Stack_2", 1))
else:
pt_messages.append(("TRACTION_BUTTON", 1))
cam_messages.append(("LKAS_HEARTBIT", 1))
def _read_lkas_button(self, cp, cp_cam) -> int:
if self.CP.carFingerprint in RAM_CARS:
return cp.vl["Center_Stack_2"]["LKAS_Button"]
self.lkas_heartbit = cp_cam.vl["LKAS_HEARTBIT"]
if not self.init_lkas_disabled:
self.lkas_disabled = cp_cam.vl["LKAS_HEARTBIT"]["LKAS_DISABLED"]
self.init_lkas_disabled = True
return cp.vl["TRACTION_BUTTON"]["TOGGLE_LKAS"]
def update_aol(self, ret: structs.CarState, can_parsers: dict[StrEnum, CANParser]) -> None:
self.prev_lkas_button = self.lkas_button
self.lkas_button = self._read_lkas_button(can_parsers[Bus.pt], can_parsers[Bus.cam])