Source code for selfdrive.car.toyota.interface

from cereal import car
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 create_button_events, get_safety_config
from openpilot.selfdrive.car.disable_ecu import disable_ecu
from openpilot.selfdrive.car.interfaces import CarInterfaceBase

ButtonType = car.CarState.ButtonEvent.Type
EventName = car.CarEvent.EventName
SteerControlType = car.CarParams.SteerControlType


[docs] class CarInterface(CarInterfaceBase):
[docs] @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 # 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 if 0x2AA in fingerprint[0] and candidate in NO_DSU_CAR: ret.flags |= ToyotaFlags.RADAR_CAN_FILTER.value # 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 candidate == CAR.TOYOTA_PRIUS: stop_and_go = True # 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 in (CAR.LEXUS_RX, CAR.LEXUS_RX_TSS2): stop_and_go = True ret.wheelSpeedFactor = 1.035 elif candidate in (CAR.TOYOTA_AVALON, CAR.TOYOTA_AVALON_2019, CAR.TOYOTA_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.TOYOTA_AVALON elif candidate in (CAR.TOYOTA_RAV4_TSS2, CAR.TOYOTA_RAV4_TSS2_2022, CAR.TOYOTA_RAV4_TSS2_2023): 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 in (CAR.TOYOTA_CHR, CAR.TOYOTA_CAMRY, CAR.TOYOTA_SIENNA, CAR.LEXUS_CTH, CAR.LEXUS_NX): # TODO: Some of these platforms are not advertised to have full range ACC, are they similar to SNG_WITHOUT_DSU cars? stop_and_go = True # TODO: these models can do stop and go, but unclear if it requires sDSU or unplugging DSU. # For now, don't list stop and go functionality in the docs if ret.flags & ToyotaFlags.SNG_WITHOUT_DSU: stop_and_go = stop_and_go or bool(ret.flags & ToyotaFlags.SMART_DSU.value) or (ret.enableDsu and not docs) 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 # 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) # 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 if not ret.openpilotLongitudinalControl: ret.safetyConfigs[0].safetyParam |= Panda.FLAG_TOYOTA_STOCK_LONGITUDINAL # 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 else MIN_ACC_SPEED tune = ret.longitudinalTuning tune.deadzoneBP = [0., 9.] tune.deadzoneV = [.0, .15] if candidate in TSS2_CAR: 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
[docs] @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) if self.CP.carFingerprint in (TSS2_CAR - RADAR_ACC_CAR) or (self.CP.flags & ToyotaFlags.SMART_DSU and not self.CP.flags & ToyotaFlags.RADAR_CAN_FILTER): ret.buttonEvents = create_button_events(self.CS.distance_button, self.CS.prev_distance_button, {1: ButtonType.gapAdjustCruise}) # 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: 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