openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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from cereal import car
from openpilot.common.conversions import Conversions as CV
from panda import Panda
from panda.python import uds
from openpilot.selfdrive.car.toyota.values import Ecu, CAR, DBC, ToyotaFlags, CarControllerParams, TSS2_CAR, RADAR_ACC_CAR, NO_DSU_CAR, \
MIN_ACC_SPEED, EPS_SCALE, UNSUPPORTED_DSU_CAR, NO_STOP_TIMER_CAR, ANGLE_CONTROL_CAR
from openpilot.selfdrive.car import get_safety_config
from openpilot.selfdrive.car.disable_ecu import disable_ecu
from openpilot.selfdrive.car.interfaces import CarInterfaceBase
EventName = car.CarEvent.EventName
SteerControlType = car.CarParams.SteerControlType
class CarInterface(CarInterfaceBase):
@staticmethod
def get_pid_accel_limits(CP, current_speed, cruise_speed):
return CarControllerParams.ACCEL_MIN, CarControllerParams.ACCEL_MAX
@staticmethod
def _get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs):
ret.carName = "toyota"
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.toyota)]
ret.safetyConfigs[0].safetyParam = EPS_SCALE[candidate]
# BRAKE_MODULE is on a different address for these cars
if DBC[candidate]["pt"] == "toyota_new_mc_pt_generated":
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_TOYOTA_ALT_BRAKE
if candidate in ANGLE_CONTROL_CAR:
ret.steerControlType = SteerControlType.angle
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_TOYOTA_LTA
# LTA control can be more delayed and winds up more often
ret.steerActuatorDelay = 0.18
ret.steerLimitTimer = 0.8
else:
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
ret.steerActuatorDelay = 0.12 # Default delay, Prius has larger delay
ret.steerLimitTimer = 0.4
ret.stoppingControl = False # Toyota starts braking more when it thinks you want to stop
stop_and_go = candidate in TSS2_CAR
if candidate == CAR.PRIUS:
stop_and_go = True
ret.wheelbase = 2.70
ret.steerRatio = 15.74 # unknown end-to-end spec
ret.tireStiffnessFactor = 0.6371 # hand-tune
ret.mass = 3045. * CV.LB_TO_KG
# Only give steer angle deadzone to for bad angle sensor prius
for fw in car_fw:
if fw.ecu == "eps" and not fw.fwVersion == b'8965B47060\x00\x00\x00\x00\x00\x00':
ret.steerActuatorDelay = 0.25
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning, steering_angle_deadzone_deg=0.2)
elif candidate == CAR.PRIUS_V:
stop_and_go = True
ret.wheelbase = 2.78
ret.steerRatio = 17.4
ret.tireStiffnessFactor = 0.5533
ret.mass = 3340. * CV.LB_TO_KG
elif candidate in (CAR.RAV4, CAR.RAV4H):
stop_and_go = True if (candidate in CAR.RAV4H) else False
ret.wheelbase = 2.65
ret.steerRatio = 16.88 # 14.5 is spec end-to-end
ret.tireStiffnessFactor = 0.5533
ret.mass = 3650. * CV.LB_TO_KG # mean between normal and hybrid
elif candidate == CAR.COROLLA:
ret.wheelbase = 2.70
ret.steerRatio = 18.27
ret.tireStiffnessFactor = 0.444 # not optimized yet
ret.mass = 2860. * CV.LB_TO_KG # mean between normal and hybrid
elif candidate in (CAR.LEXUS_RX, CAR.LEXUS_RX_TSS2):
stop_and_go = True
ret.wheelbase = 2.79
ret.steerRatio = 16. # 14.8 is spec end-to-end
ret.wheelSpeedFactor = 1.035
ret.tireStiffnessFactor = 0.5533
ret.mass = 4481. * CV.LB_TO_KG # mean between min and max
elif candidate in (CAR.CHR, CAR.CHR_TSS2):
stop_and_go = True
ret.wheelbase = 2.63906
ret.steerRatio = 13.6
ret.tireStiffnessFactor = 0.7933
ret.mass = 3300. * CV.LB_TO_KG
elif candidate in (CAR.CAMRY, CAR.CAMRY_TSS2):
stop_and_go = True
ret.wheelbase = 2.82448
ret.steerRatio = 13.7
ret.tireStiffnessFactor = 0.7933
ret.mass = 3400. * CV.LB_TO_KG # mean between normal and hybrid
elif candidate in (CAR.HIGHLANDER, CAR.HIGHLANDER_TSS2):
# TODO: TSS-P models can do stop and go, but unclear if it requires sDSU or unplugging DSU
stop_and_go = True
ret.wheelbase = 2.8194 # average of 109.8 and 112.2 in
ret.steerRatio = 16.0
ret.tireStiffnessFactor = 0.8
ret.mass = 4516. * CV.LB_TO_KG # mean between normal and hybrid
elif candidate in (CAR.AVALON, CAR.AVALON_2019, CAR.AVALON_TSS2):
# starting from 2019, all Avalon variants have stop and go
# https://engage.toyota.com/static/images/toyota_safety_sense/TSS_Applicability_Chart.pdf
stop_and_go = candidate != CAR.AVALON
ret.wheelbase = 2.82
ret.steerRatio = 14.8 # Found at https://pressroom.toyota.com/releases/2016+avalon+product+specs.download
ret.tireStiffnessFactor = 0.7983
ret.mass = 3505. * CV.LB_TO_KG # mean between normal and hybrid
elif candidate in (CAR.RAV4_TSS2, CAR.RAV4_TSS2_2022, CAR.RAV4_TSS2_2023):
ret.wheelbase = 2.68986
ret.steerRatio = 14.3
ret.tireStiffnessFactor = 0.7933
ret.mass = 3585. * CV.LB_TO_KG # Average between ICE and Hybrid
ret.lateralTuning.init('pid')
ret.lateralTuning.pid.kiBP = [0.0]
ret.lateralTuning.pid.kpBP = [0.0]
ret.lateralTuning.pid.kpV = [0.6]
ret.lateralTuning.pid.kiV = [0.1]
ret.lateralTuning.pid.kf = 0.00007818594
# 2019+ RAV4 TSS2 uses two different steering racks and specific tuning seems to be necessary.
# See https://github.com/commaai/openpilot/pull/21429#issuecomment-873652891
for fw in car_fw:
if fw.ecu == "eps" and (fw.fwVersion.startswith(b'\x02') or fw.fwVersion in [b'8965B42181\x00\x00\x00\x00\x00\x00']):
ret.lateralTuning.pid.kpV = [0.15]
ret.lateralTuning.pid.kiV = [0.05]
ret.lateralTuning.pid.kf = 0.00004
break
elif candidate == CAR.COROLLA_TSS2:
ret.wheelbase = 2.67 # Average between 2.70 for sedan and 2.64 for hatchback
ret.steerRatio = 13.9
ret.tireStiffnessFactor = 0.444 # not optimized yet
ret.mass = 3060. * CV.LB_TO_KG
elif candidate in (CAR.LEXUS_ES, CAR.LEXUS_ES_TSS2):
ret.wheelbase = 2.8702
ret.steerRatio = 16.0 # not optimized
ret.tireStiffnessFactor = 0.444 # not optimized yet
ret.mass = 3677. * CV.LB_TO_KG # mean between min and max
elif candidate == CAR.SIENNA:
stop_and_go = True
ret.wheelbase = 3.03
ret.steerRatio = 15.5
ret.tireStiffnessFactor = 0.444
ret.mass = 4590. * CV.LB_TO_KG
elif candidate in (CAR.LEXUS_IS, CAR.LEXUS_IS_TSS2, CAR.LEXUS_RC):
ret.wheelbase = 2.79908
ret.steerRatio = 13.3
ret.tireStiffnessFactor = 0.444
ret.mass = 3736.8 * CV.LB_TO_KG
elif candidate == CAR.LEXUS_GS_F:
ret.wheelbase = 2.84988
ret.steerRatio = 13.3
ret.tireStiffnessFactor = 0.444
ret.mass = 4034. * CV.LB_TO_KG
elif candidate == CAR.LEXUS_CTH:
stop_and_go = True
ret.wheelbase = 2.60
ret.steerRatio = 18.6
ret.tireStiffnessFactor = 0.517
ret.mass = 3108 * CV.LB_TO_KG # mean between min and max
elif candidate in (CAR.LEXUS_NX, CAR.LEXUS_NX_TSS2):
stop_and_go = True
ret.wheelbase = 2.66
ret.steerRatio = 14.7
ret.tireStiffnessFactor = 0.444 # not optimized yet
ret.mass = 4070 * CV.LB_TO_KG
elif candidate == CAR.LEXUS_LC_TSS2:
ret.wheelbase = 2.87
ret.steerRatio = 13.0
ret.tireStiffnessFactor = 0.444 # not optimized yet
ret.mass = 4500 * CV.LB_TO_KG
elif candidate == CAR.PRIUS_TSS2:
ret.wheelbase = 2.70002 # from toyota online sepc.
ret.steerRatio = 13.4 # True steerRatio from older prius
ret.tireStiffnessFactor = 0.6371 # hand-tune
ret.mass = 3115. * CV.LB_TO_KG
elif candidate == CAR.MIRAI:
stop_and_go = True
ret.wheelbase = 2.91
ret.steerRatio = 14.8
ret.tireStiffnessFactor = 0.8
ret.mass = 4300. * CV.LB_TO_KG
elif candidate == CAR.ALPHARD_TSS2:
ret.wheelbase = 3.00
ret.steerRatio = 14.2
ret.tireStiffnessFactor = 0.444
ret.mass = 4305. * CV.LB_TO_KG
ret.centerToFront = ret.wheelbase * 0.44
# TODO: Some TSS-P platforms have BSM, but are flipped based on region or driving direction.
# Detect flipped signals and enable for C-HR and others
ret.enableBsm = 0x3F6 in fingerprint[0] and candidate in TSS2_CAR
# Detect smartDSU, which intercepts ACC_CMD from the DSU (or radar) allowing openpilot to send it
# 0x2AA is sent by a similar device which intercepts the radar instead of DSU on NO_DSU_CARs
if 0x2FF in fingerprint[0] or (0x2AA in fingerprint[0] and candidate in NO_DSU_CAR):
ret.flags |= ToyotaFlags.SMART_DSU.value
# No radar dbc for cars without DSU which are not TSS 2.0
# TODO: make an adas dbc file for dsu-less models
ret.radarUnavailable = DBC[candidate]['radar'] is None or candidate in (NO_DSU_CAR - TSS2_CAR)
# In TSS2 cars, the camera does long control
found_ecus = [fw.ecu for fw in car_fw]
ret.enableDsu = len(found_ecus) > 0 and Ecu.dsu not in found_ecus and candidate not in (NO_DSU_CAR | UNSUPPORTED_DSU_CAR) \
and not (ret.flags & ToyotaFlags.SMART_DSU)
# if the smartDSU is detected, openpilot can send ACC_CONTROL and the smartDSU will block it from the DSU or radar.
# since we don't yet parse radar on TSS2/TSS-P radar-based ACC cars, gate longitudinal behind experimental toggle
use_sdsu = bool(ret.flags & ToyotaFlags.SMART_DSU)
if candidate in (RADAR_ACC_CAR | NO_DSU_CAR):
ret.experimentalLongitudinalAvailable = use_sdsu or candidate in RADAR_ACC_CAR
if not use_sdsu:
# Disabling radar is only supported on TSS2 radar-ACC cars
if experimental_long and candidate in RADAR_ACC_CAR:
ret.flags |= ToyotaFlags.DISABLE_RADAR.value
else:
use_sdsu = use_sdsu and experimental_long
# openpilot longitudinal enabled by default:
# - non-(TSS2 radar ACC cars) w/ smartDSU installed
# - cars w/ DSU disconnected
# - TSS2 cars with camera sending ACC_CONTROL where we can block it
# openpilot longitudinal behind experimental long toggle:
# - TSS2 radar ACC cars w/ smartDSU installed
# - TSS2 radar ACC cars w/o smartDSU installed (disables radar)
# - TSS-P DSU-less cars w/ CAN filter installed (no radar parser yet)
ret.openpilotLongitudinalControl = use_sdsu or ret.enableDsu or candidate in (TSS2_CAR - RADAR_ACC_CAR) or bool(ret.flags & ToyotaFlags.DISABLE_RADAR.value)
ret.autoResumeSng = ret.openpilotLongitudinalControl and candidate in NO_STOP_TIMER_CAR
ret.enableGasInterceptor = 0x201 in fingerprint[0] and ret.openpilotLongitudinalControl
if not ret.openpilotLongitudinalControl:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_TOYOTA_STOCK_LONGITUDINAL
if ret.enableGasInterceptor:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_TOYOTA_GAS_INTERCEPTOR
# min speed to enable ACC. if car can do stop and go, then set enabling speed
# to a negative value, so it won't matter.
ret.minEnableSpeed = -1. if (stop_and_go or ret.enableGasInterceptor) else MIN_ACC_SPEED
tune = ret.longitudinalTuning
tune.deadzoneBP = [0., 9.]
tune.deadzoneV = [.0, .15]
if candidate in TSS2_CAR or ret.enableGasInterceptor:
tune.kpBP = [0., 5., 20.]
tune.kpV = [1.3, 1.0, 0.7]
tune.kiBP = [0., 5., 12., 20., 27.]
tune.kiV = [.35, .23, .20, .17, .1]
if candidate in TSS2_CAR:
ret.vEgoStopping = 0.25
ret.vEgoStarting = 0.25
ret.stoppingDecelRate = 0.3 # reach stopping target smoothly
else:
tune.kpBP = [0., 5., 35.]
tune.kiBP = [0., 35.]
tune.kpV = [3.6, 2.4, 1.5]
tune.kiV = [0.54, 0.36]
return ret
@staticmethod
def init(CP, logcan, sendcan):
# disable radar if alpha longitudinal toggled on radar-ACC car without CAN filter/smartDSU
if CP.flags & ToyotaFlags.DISABLE_RADAR.value:
communication_control = bytes([uds.SERVICE_TYPE.COMMUNICATION_CONTROL, uds.CONTROL_TYPE.ENABLE_RX_DISABLE_TX, uds.MESSAGE_TYPE.NORMAL])
disable_ecu(logcan, sendcan, bus=0, addr=0x750, sub_addr=0xf, com_cont_req=communication_control)
# returns a car.CarState
def _update(self, c):
ret = self.CS.update(self.cp, self.cp_cam)
# events
events = self.create_common_events(ret)
# Lane Tracing Assist control is unavailable (EPS_STATUS->LTA_STATE=0) until
# the more accurate angle sensor signal is initialized
if self.CP.steerControlType == SteerControlType.angle and not self.CS.accurate_steer_angle_seen:
events.add(EventName.vehicleSensorsInvalid)
if self.CP.openpilotLongitudinalControl:
if ret.cruiseState.standstill and not ret.brakePressed and not self.CP.enableGasInterceptor:
events.add(EventName.resumeRequired)
if self.CS.low_speed_lockout:
events.add(EventName.lowSpeedLockout)
if ret.vEgo < self.CP.minEnableSpeed:
events.add(EventName.belowEngageSpeed)
if c.actuators.accel > 0.3:
# some margin on the actuator to not false trigger cancellation while stopping
events.add(EventName.speedTooLow)
if ret.vEgo < 0.001:
# while in standstill, send a user alert
events.add(EventName.manualRestart)
ret.events = events.to_msg()
return ret
# pass in a car.CarControl
# to be called @ 100hz
def apply(self, c, now_nanos):
return self.CC.update(c, self.CS, now_nanos)