sunnypilot-byd/opendbc_repo/opendbc/car/volkswagen/interface.py

from opendbc.car import get_safety_config, structs
from opendbc.car.interfaces import CarInterfaceBase
from opendbc.car.volkswagen.carcontroller import CarController
from opendbc.car.volkswagen.carstate import CarState
from opendbc.car.volkswagen.values import CanBus, CAR, NetworkLocation, TransmissionType, VolkswagenFlags, VolkswagenSafetyFlags

class CarInterface(CarInterfaceBase):
  CarState = CarState
  CarController = CarController

  DRIVABLE_GEARS = (structs.CarState.GearShifter.eco, structs.CarState.GearShifter.sport,
                    structs.CarState.GearShifter.manumatic)

  @staticmethod
  def _get_params(ret: structs.CarParams, candidate: CAR, fingerprint, car_fw, alpha_long, is_release, docs) -> structs.CarParams:
    ret.brand = "volkswagen"
    ret.radarUnavailable = True

    if ret.flags & VolkswagenFlags.PQ:
      # Set global PQ35/PQ46/NMS parameters
      safety_configs = [get_safety_config(structs.CarParams.SafetyModel.volkswagenPq)]
      ret.enableBsm = 0x3BA in fingerprint[0]  # SWA_1

      if 0x440 in fingerprint[0] or docs:  # Getriebe_1
        ret.transmissionType = TransmissionType.automatic
      else:
        ret.transmissionType = TransmissionType.manual

      if any(msg in fingerprint[1] for msg in (0x1A0, 0xC2)):  # Bremse_1, Lenkwinkel_1
        ret.networkLocation = NetworkLocation.gateway
      else:
        ret.networkLocation = NetworkLocation.fwdCamera

      ret.dashcamOnly = is_release  # Release support needs HCA timeout fix, safety validation

    elif ret.flags & VolkswagenFlags.MLB:
      # Set global MLB parameters
      safety_configs = [get_safety_config(structs.CarParams.SafetyModel.volkswagenMlb)]
      ret.enableBsm = 0x30F in fingerprint[0]  # SWA_01
      ret.networkLocation = NetworkLocation.gateway
      ret.dashcamOnly = is_release  # Release support needs HCA timeout fix, safety validation, revised J533 harness

    elif ret.flags & VolkswagenFlags.MEB:
      # Set global MEB parameters
      safety_configs = [get_safety_config(structs.CarParams.SafetyModel.volkswagenMeb)]
      if ret.flags & VolkswagenFlags.MEB_GEN2:
        safety_configs[0].safetyParam |= VolkswagenSafetyFlags.MEB_ALT_CRC.value

      ret.transmissionType = TransmissionType.direct
      ret.steerControlType = structs.CarParams.SteerControlType.curvature
      ret.steerAtStandstill = True

      ret.lateralTuning.init('pid')
      ret.lateralTuning.pid.kpBP = [10., 40.]
      ret.lateralTuning.pid.kpV = [0., 1.45]
      ret.lateralTuning.pid.kiBP = [10., 40.]
      ret.lateralTuning.pid.kiV = [0., 0.12]
      ret.lateralTuning.pid.kf = 1.

      if any(msg in fingerprint[1] for msg in (0x520, 0x86, 0xFD, 0x13D)):  # Airbag_02, LWI_01, ESP_21, QFK_01
        ret.networkLocation = NetworkLocation.gateway
      else:
        ret.networkLocation = NetworkLocation.fwdCamera

      ret.enableBsm = 0x24C in fingerprint[0]  # MEB_Side_Assist_01

      if 0x25D in fingerprint[0]:  # KLR_01
        ret.flags |= VolkswagenFlags.STOCK_KLR_PRESENT.value
      if 0x3DC in fingerprint[0]:  # Gateway_73
        ret.flags |= VolkswagenFlags.ALT_GEAR.value

      # only allow gateway harness to escalate Emergency Assist
      ret.dashcamOnly = ret.networkLocation == NetworkLocation.fwdCamera

    else:
      # Set global MQB parameters
      safety_configs = [get_safety_config(structs.CarParams.SafetyModel.volkswagen)]
      ret.enableBsm = 0x30F in fingerprint[0]  # SWA_01

      if 0xAD in fingerprint[0] or docs:  # Getriebe_11
        ret.transmissionType = TransmissionType.automatic
      elif 0x187 in fingerprint[0]:  # Motor_EV_01
        ret.transmissionType = TransmissionType.direct
      else:
        ret.transmissionType = TransmissionType.manual

      if any(msg in fingerprint[1] for msg in (0x40, 0x86, 0xB2, 0xFD)):  # Airbag_01, LWI_01, ESP_19, ESP_21
        ret.networkLocation = NetworkLocation.gateway
      else:
        ret.networkLocation = NetworkLocation.fwdCamera

      if 0x126 in fingerprint[2]:  # HCA_01
        ret.flags |= VolkswagenFlags.STOCK_HCA_PRESENT.value
      if 0x6B8 in fingerprint[0]:  # Kombi_03
        ret.flags |= VolkswagenFlags.KOMBI_PRESENT.value

    # Global lateral tuning defaults, can be overridden per-vehicle

    ret.steerLimitTimer = 0.4
    if ret.flags & VolkswagenFlags.PQ or ret.flags & VolkswagenFlags.MLB:
      ret.steerActuatorDelay = 0.2
      CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
    elif ret.flags & VolkswagenFlags.MEB:
      ret.steerActuatorDelay = 0.3
    else:
      ret.steerActuatorDelay = 0.1
      ret.lateralTuning.pid.kpBP = [0.]
      ret.lateralTuning.pid.kiBP = [0.]
      ret.lateralTuning.pid.kf = 0.00006
      ret.lateralTuning.pid.kpV = [0.6]
      ret.lateralTuning.pid.kiV = [0.2]

    # Global longitudinal tuning defaults, can be overridden per-vehicle

    if ret.flags & VolkswagenFlags.MEB:
      ret.longitudinalActuatorDelay = 0.5
      ret.longitudinalTuning.kiBP = [0., 30.]
      ret.longitudinalTuning.kiV = [0.4, 0.]

    ret.alphaLongitudinalAvailable = ret.networkLocation == NetworkLocation.gateway or docs
    if alpha_long:
      ret.openpilotLongitudinalControl = True
      safety_configs[0].safetyParam |= VolkswagenSafetyFlags.LONG_CONTROL.value
      if ret.transmissionType == TransmissionType.manual:
        ret.minEnableSpeed = 4.5

    # Per-vehicle overrides

    if candidate == CAR.PORSCHE_MACAN_MK1:
      ret.steerActuatorDelay = 0.07

    ret.pcmCruise = not ret.openpilotLongitudinalControl
    if ret.flags & VolkswagenFlags.MEB:
      ret.startingState = True
      ret.startAccel = 0.8
    else:
      ret.stopAccel = -0.55
      ret.vEgoStarting = 0.1
      ret.vEgoStopping = 0.5
    ret.autoResumeSng = ret.minEnableSpeed == -1

    CAN = CanBus(fingerprint=fingerprint)
    if CAN.pt >= 4:
      safety_configs.insert(0, get_safety_config(structs.CarParams.SafetyModel.noOutput))
    ret.safetyConfigs = safety_configs

    return ret