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nopenpilot/selfdrive/car/hyundai/interface.py

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#!/usr/bin/env python3
from cereal import car
from selfdrive.config import Conversions as CV
from selfdrive.car.hyundai.values import Ecu, ECU_FINGERPRINT, CAR, FINGERPRINTS
from selfdrive.car import STD_CARGO_KG, scale_rot_inertia, scale_tire_stiffness, is_ecu_disconnected, gen_empty_fingerprint
from selfdrive.car.interfaces import CarInterfaceBase
class CarInterface(CarInterfaceBase):
@staticmethod
def compute_gb(accel, speed):
return float(accel) / 3.0
@staticmethod
def get_params(candidate, fingerprint=gen_empty_fingerprint(), has_relay=False, car_fw=[]):
ret = CarInterfaceBase.get_std_params(candidate, fingerprint, has_relay)
ret.carName = "hyundai"
ret.safetyModel = car.CarParams.SafetyModel.hyundai
ret.radarOffCan = True
# Hyundai port is a community feature for now
ret.communityFeature = True
ret.steerActuatorDelay = 0.1 # Default delay
ret.steerRateCost = 0.5
ret.steerLimitTimer = 0.4
tire_stiffness_factor = 1.
if candidate == CAR.SANTA_FE:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 3982. * CV.LB_TO_KG + STD_CARGO_KG
ret.wheelbase = 2.766
# Values from optimizer
ret.steerRatio = 16.55 # 13.8 is spec end-to-end
tire_stiffness_factor = 0.82
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[9., 22.], [9., 22.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.2, 0.35], [0.05, 0.09]]
elif candidate == CAR.SONATA:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 1513. + STD_CARGO_KG
ret.wheelbase = 2.84
ret.steerRatio = 13.27 * 1.15 # 15% higher at the center seems reasonable
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate == CAR.PALISADE:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 1999. + STD_CARGO_KG
ret.wheelbase = 2.90
ret.steerRatio = 13.75 * 1.15
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate == CAR.KIA_SORENTO:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 1985. + STD_CARGO_KG
ret.wheelbase = 2.78
ret.steerRatio = 14.4 * 1.1 # 10% higher at the center seems reasonable
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate in [CAR.ELANTRA, CAR.ELANTRA_GT_I30]:
ret.lateralTuning.pid.kf = 0.00006
ret.mass = 1275. + STD_CARGO_KG
ret.wheelbase = 2.7
ret.steerRatio = 15.4 # 14 is Stock | Settled Params Learner values are steerRatio: 15.401566348670535
tire_stiffness_factor = 0.385 # stiffnessFactor settled on 1.0081302973865127
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
ret.minSteerSpeed = 32 * CV.MPH_TO_MS
elif candidate == CAR.HYUNDAI_GENESIS:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 2060. + STD_CARGO_KG
ret.wheelbase = 3.01
ret.steerRatio = 16.5
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.16], [0.01]]
ret.minSteerSpeed = 60 * CV.KPH_TO_MS
elif candidate == CAR.GENESIS_G80:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 2060. + STD_CARGO_KG
ret.wheelbase = 3.01
ret.steerRatio = 16.5
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.16], [0.01]]
elif candidate == CAR.GENESIS_G90:
ret.mass = 2200
ret.wheelbase = 3.15
ret.steerRatio = 12.069
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.16], [0.01]]
elif candidate in [CAR.KIA_OPTIMA, CAR.KIA_OPTIMA_H]:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 3558. * CV.LB_TO_KG
ret.wheelbase = 2.80
ret.steerRatio = 13.75
tire_stiffness_factor = 0.5
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate == CAR.KIA_STINGER:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 1825. + STD_CARGO_KG
ret.wheelbase = 2.78
ret.steerRatio = 14.4 * 1.15 # 15% higher at the center seems reasonable
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate == CAR.KONA:
ret.lateralTuning.pid.kf = 0.00006
ret.mass = 1275. + STD_CARGO_KG
ret.wheelbase = 2.7
ret.steerRatio = 13.73 #Spec
tire_stiffness_factor = 0.385
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate == CAR.IONIQ:
ret.lateralTuning.pid.kf = 0.00006
ret.mass = 1275. + STD_CARGO_KG
ret.wheelbase = 2.7
ret.steerRatio = 13.73 #Spec
tire_stiffness_factor = 0.385
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
ret.minSteerSpeed = 32 * CV.MPH_TO_MS
elif candidate == CAR.KONA_EV:
ret.lateralTuning.pid.kf = 0.00006
ret.mass = 1685. + STD_CARGO_KG
ret.wheelbase = 2.7
ret.steerRatio = 13.73 #Spec
tire_stiffness_factor = 0.385
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
elif candidate == CAR.IONIQ_EV_LTD:
ret.lateralTuning.pid.kf = 0.00006
ret.mass = 1490. + STD_CARGO_KG #weight per hyundai site https://www.hyundaiusa.com/ioniq-electric/specifications.aspx
ret.wheelbase = 2.7
ret.steerRatio = 13.73 #Spec
tire_stiffness_factor = 0.385
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
ret.minSteerSpeed = 32 * CV.MPH_TO_MS
elif candidate == CAR.KIA_FORTE:
ret.lateralTuning.pid.kf = 0.00005
ret.mass = 3558. * CV.LB_TO_KG
ret.wheelbase = 2.80
ret.steerRatio = 13.75
tire_stiffness_factor = 0.5
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.05]]
ret.centerToFront = ret.wheelbase * 0.4
# TODO: get actual value, for now starting with reasonable value for
# civic and scaling by mass and wheelbase
ret.rotationalInertia = scale_rot_inertia(ret.mass, ret.wheelbase)
# TODO: start from empirically derived lateral slip stiffness for the civic and scale by
# mass and CG position, so all cars will have approximately similar dyn behaviors
ret.tireStiffnessFront, ret.tireStiffnessRear = scale_tire_stiffness(ret.mass, ret.wheelbase, ret.centerToFront,
tire_stiffness_factor=tire_stiffness_factor)
ret.enableCamera = is_ecu_disconnected(fingerprint[0], FINGERPRINTS, ECU_FINGERPRINT, candidate, Ecu.fwdCamera) or has_relay
return ret
def update(self, c, can_strings):
self.cp.update_strings(can_strings)
self.cp_cam.update_strings(can_strings)
ret = self.CS.update(self.cp, self.cp_cam)
ret.canValid = self.cp.can_valid and self.cp_cam.can_valid
# TODO: button presses
ret.buttonEvents = []
events = self.create_common_events(ret)
#TODO: addd abs(self.CS.angle_steers) > 90 to 'steerTempUnavailable' event
# 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()
self.CS.out = ret.as_reader()
return self.CS.out
def apply(self, c):
can_sends = self.CC.update(c.enabled, self.CS, self.frame, c.actuators,
c.cruiseControl.cancel, c.hudControl.visualAlert, c.hudControl.leftLaneVisible,
c.hudControl.rightLaneVisible, c.hudControl.leftLaneDepart, c.hudControl.rightLaneDepart)
self.frame += 1
return can_sends
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