from cereal import car
from panda import Panda
from openpilot.selfdrive.car.hyundai.hyundaicanfd import CanBus
from openpilot.selfdrive.car.hyundai.values import HyundaiFlags, CAR, DBC, CANFD_CAR, CAMERA_SCC_CAR, CANFD_RADAR_SCC_CAR, \
CANFD_UNSUPPORTED_LONGITUDINAL_CAR, EV_CAR, HYBRID_CAR, LEGACY_SAFETY_MODE_CAR, \
UNSUPPORTED_LONGITUDINAL_CAR, Buttons
from openpilot.selfdrive.car.hyundai.radar_interface import RADAR_START_ADDR
from openpilot.selfdrive.car import create_button_events, get_safety_config
from openpilot.selfdrive.car.interfaces import CarInterfaceBase
from openpilot.selfdrive.car.disable_ecu import disable_ecu
Ecu = car.CarParams.Ecu
ButtonType = car.CarState.ButtonEvent.Type
EventName = car.CarEvent.EventName
ENABLE_BUTTONS = (Buttons.RES_ACCEL, Buttons.SET_DECEL, Buttons.CANCEL)
BUTTONS_DICT = {Buttons.RES_ACCEL: ButtonType.accelCruise, Buttons.SET_DECEL: ButtonType.decelCruise,
Buttons.GAP_DIST: ButtonType.gapAdjustCruise, Buttons.CANCEL: ButtonType.cancel}
[docs]
class CarInterface(CarInterfaceBase):
@staticmethod
def _get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs):
ret.carName = "hyundai"
ret.radarUnavailable = RADAR_START_ADDR not in fingerprint[1] or DBC[ret.carFingerprint]["radar"] is None
# These cars have been put into dashcam only due to both a lack of users and test coverage.
# These cars likely still work fine. Once a user confirms each car works and a test route is
# added to selfdrive/car/tests/routes.py, we can remove it from this list.
# FIXME: the Optima Hybrid 2017 uses a different SCC12 checksum
ret.dashcamOnly = candidate in {CAR.KIA_OPTIMA_H, }
hda2 = Ecu.adas in [fw.ecu for fw in car_fw]
CAN = CanBus(None, hda2, fingerprint)
if candidate in CANFD_CAR:
# detect if car is hybrid
if 0x105 in fingerprint[CAN.ECAN]:
ret.flags |= HyundaiFlags.HYBRID.value
elif candidate in EV_CAR:
ret.flags |= HyundaiFlags.EV.value
# detect HDA2 with ADAS Driving ECU
if hda2:
ret.flags |= HyundaiFlags.CANFD_HDA2.value
if 0x110 in fingerprint[CAN.CAM]:
ret.flags |= HyundaiFlags.CANFD_HDA2_ALT_STEERING.value
else:
# non-HDA2
if 0x1cf not in fingerprint[CAN.ECAN]:
ret.flags |= HyundaiFlags.CANFD_ALT_BUTTONS.value
# ICE cars do not have 0x130; GEARS message on 0x40 or 0x70 instead
if 0x130 not in fingerprint[CAN.ECAN]:
if 0x40 not in fingerprint[CAN.ECAN]:
ret.flags |= HyundaiFlags.CANFD_ALT_GEARS_2.value
else:
ret.flags |= HyundaiFlags.CANFD_ALT_GEARS.value
if candidate not in CANFD_RADAR_SCC_CAR:
ret.flags |= HyundaiFlags.CANFD_CAMERA_SCC.value
else:
# TODO: detect EV and hybrid
if candidate in HYBRID_CAR:
ret.flags |= HyundaiFlags.HYBRID.value
elif candidate in EV_CAR:
ret.flags |= HyundaiFlags.EV.value
# Send LFA message on cars with HDA
if 0x485 in fingerprint[2]:
ret.flags |= HyundaiFlags.SEND_LFA.value
# These cars use the FCA11 message for the AEB and FCW signals, all others use SCC12
if 0x38d in fingerprint[0] or 0x38d in fingerprint[2]:
ret.flags |= HyundaiFlags.USE_FCA.value
ret.steerActuatorDelay = 0.1 # Default delay
ret.steerLimitTimer = 0.4
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
# *** longitudinal control ***
if candidate in CANFD_CAR:
ret.longitudinalTuning.kpV = [0.1]
ret.longitudinalTuning.kiV = [0.0]
ret.experimentalLongitudinalAvailable = candidate not in (CANFD_UNSUPPORTED_LONGITUDINAL_CAR | CANFD_RADAR_SCC_CAR)
else:
ret.longitudinalTuning.kpV = [0.5]
ret.longitudinalTuning.kiV = [0.0]
ret.experimentalLongitudinalAvailable = candidate not in (UNSUPPORTED_LONGITUDINAL_CAR | CAMERA_SCC_CAR)
ret.openpilotLongitudinalControl = experimental_long and ret.experimentalLongitudinalAvailable
ret.pcmCruise = not ret.openpilotLongitudinalControl
ret.stoppingControl = True
ret.startingState = True
ret.vEgoStarting = 0.1
ret.startAccel = 1.0
ret.longitudinalActuatorDelayLowerBound = 0.5
ret.longitudinalActuatorDelayUpperBound = 0.5
# *** feature detection ***
if candidate in CANFD_CAR:
ret.enableBsm = 0x1e5 in fingerprint[CAN.ECAN]
else:
ret.enableBsm = 0x58b in fingerprint[0]
# *** panda safety config ***
if candidate in CANFD_CAR:
cfgs = [get_safety_config(car.CarParams.SafetyModel.hyundaiCanfd), ]
if CAN.ECAN >= 4:
cfgs.insert(0, get_safety_config(car.CarParams.SafetyModel.noOutput))
ret.safetyConfigs = cfgs
if ret.flags & HyundaiFlags.CANFD_HDA2:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_CANFD_HDA2
if ret.flags & HyundaiFlags.CANFD_HDA2_ALT_STEERING:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_CANFD_HDA2_ALT_STEERING
if ret.flags & HyundaiFlags.CANFD_ALT_BUTTONS:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_CANFD_ALT_BUTTONS
if ret.flags & HyundaiFlags.CANFD_CAMERA_SCC:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_CAMERA_SCC
else:
if candidate in LEGACY_SAFETY_MODE_CAR:
# these cars require a special panda safety mode due to missing counters and checksums in the messages
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.hyundaiLegacy)]
else:
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.hyundai, 0)]
if candidate in CAMERA_SCC_CAR:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_HYUNDAI_CAMERA_SCC
if ret.openpilotLongitudinalControl:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_LONG
if ret.flags & HyundaiFlags.HYBRID:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_HYBRID_GAS
elif ret.flags & HyundaiFlags.EV:
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_EV_GAS
if candidate in (CAR.HYUNDAI_KONA, CAR.HYUNDAI_KONA_EV, CAR.HYUNDAI_KONA_HEV, CAR.HYUNDAI_KONA_EV_2022):
ret.flags |= HyundaiFlags.ALT_LIMITS.value
ret.safetyConfigs[-1].safetyParam |= Panda.FLAG_HYUNDAI_ALT_LIMITS
ret.centerToFront = ret.wheelbase * 0.4
return ret
[docs]
@staticmethod
def init(CP, logcan, sendcan):
if CP.openpilotLongitudinalControl and not (CP.flags & HyundaiFlags.CANFD_CAMERA_SCC.value):
addr, bus = 0x7d0, 0
if CP.flags & HyundaiFlags.CANFD_HDA2.value:
addr, bus = 0x730, CanBus(CP).ECAN
disable_ecu(logcan, sendcan, bus=bus, addr=addr, com_cont_req=b'\x28\x83\x01')
# for blinkers
if CP.flags & HyundaiFlags.ENABLE_BLINKERS:
disable_ecu(logcan, sendcan, bus=CanBus(CP).ECAN, addr=0x7B1, com_cont_req=b'\x28\x83\x01')
def _update(self, c):
ret = self.CS.update(self.cp, self.cp_cam)
if self.CS.CP.openpilotLongitudinalControl:
ret.buttonEvents = create_button_events(self.CS.cruise_buttons[-1], self.CS.prev_cruise_buttons, BUTTONS_DICT)
# On some newer model years, the CANCEL button acts as a pause/resume button based on the PCM state
# To avoid re-engaging when openpilot cancels, check user engagement intention via buttons
# Main button also can trigger an engagement on these cars
allow_enable = any(btn in ENABLE_BUTTONS for btn in self.CS.cruise_buttons) or any(self.CS.main_buttons)
events = self.create_common_events(ret, pcm_enable=self.CS.CP.pcmCruise, allow_enable=allow_enable)
# low speed steer alert hysteresis logic (only for cars with steer cut off above 10 m/s)
if ret.vEgo < (self.CP.minSteerSpeed + 2.) and self.CP.minSteerSpeed > 10.:
self.low_speed_alert = True
if ret.vEgo > (self.CP.minSteerSpeed + 4.):
self.low_speed_alert = False
if self.low_speed_alert:
events.add(car.CarEvent.EventName.belowSteerSpeed)
ret.events = events.to_msg()
return ret