Exemplo n.º 1
0
class CarInterface(CarInterfaceBase):
  def __init__(self, CP, CarController):
    self.CP = CP
    self.VM = VehicleModel(CP)

    self.gas_pressed_prev = False
    self.brake_pressed_prev = False
    self.cruise_enabled_prev = False
    self.low_speed_alert = False

    # *** init the major players ***
    self.CS = CarState(CP)
    self.cp = get_can_parser(CP)
    self.cp_cam = get_camera_parser(CP)

    self.CC = None
    if CarController is not None:
      self.CC = CarController(self.cp.dbc_name, CP.carFingerprint, CP.enableCamera)

  @staticmethod
  def compute_gb(accel, speed):
    return float(accel) / 3.0

  @staticmethod
  def get_params(candidate, fingerprint=gen_empty_fingerprint(), vin="", has_relay=False):

    ret = car.CarParams.new_message()

    ret.carName = "chrysler"
    ret.carFingerprint = candidate
    ret.carVin = vin
    ret.isPandaBlack = has_relay

    ret.safetyModel = car.CarParams.SafetyModel.chrysler

    # pedal
    ret.enableCruise = True

    # Speed conversion:              20, 45 mph
    ret.wheelbase = 3.089  # in meters for Pacifica Hybrid 2017
    ret.steerRatio = 16.2 # Pacifica Hybrid 2017
    ret.mass = 2858. + STD_CARGO_KG  # kg curb weight Pacifica Hybrid 2017
    ret.lateralTuning.pid.kpBP, ret.lateralTuning.pid.kiBP = [[9., 20.], [9., 20.]]
    ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.15,0.30], [0.03,0.05]]
    ret.lateralTuning.pid.kf = 0.00006   # full torque for 10 deg at 80mph means 0.00007818594
    ret.steerActuatorDelay = 0.1
    ret.steerRateCost = 0.7
    ret.steerLimitTimer = 0.4

    if candidate in (CAR.JEEP_CHEROKEE, CAR.JEEP_CHEROKEE_2019):
      ret.wheelbase = 2.91  # in meters
      ret.steerRatio = 12.7
      ret.steerActuatorDelay = 0.2  # in seconds

    ret.centerToFront = ret.wheelbase * 0.44

    ret.minSteerSpeed = 3.8  # m/s
    ret.minEnableSpeed = -1.   # enable is done by stock ACC, so ignore this
    if candidate in (CAR.PACIFICA_2019_HYBRID, CAR.JEEP_CHEROKEE_2019):
      ret.minSteerSpeed = 17.5  # m/s 17 on the way up, 13 on the way down once engaged.
      # TODO allow 2019 cars to steer down to 13 m/s if already engaged.

    # 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)

    # no rear steering, at least on the listed cars above
    ret.steerRatioRear = 0.

    # steer, gas, brake limitations VS speed
    ret.steerMaxBP = [16. * CV.KPH_TO_MS, 45. * CV.KPH_TO_MS]  # breakpoints at 1 and 40 kph
    ret.steerMaxV = [1., 1.]  # 2/3rd torque allowed above 45 kph
    ret.gasMaxBP = [0.]
    ret.gasMaxV = [0.5]
    ret.brakeMaxBP = [5., 20.]
    ret.brakeMaxV = [1., 0.8]

    ret.enableCamera = is_ecu_disconnected(fingerprint[0], FINGERPRINTS, ECU_FINGERPRINT, candidate, ECU.CAM) or has_relay
    print("ECU Camera Simulated: {0}".format(ret.enableCamera))
    ret.openpilotLongitudinalControl = False

    ret.stoppingControl = False
    ret.startAccel = 0.0

    ret.longitudinalTuning.deadzoneBP = [0., 9.]
    ret.longitudinalTuning.deadzoneV = [0., .15]
    ret.longitudinalTuning.kpBP = [0., 5., 35.]
    ret.longitudinalTuning.kpV = [3.6, 2.4, 1.5]
    ret.longitudinalTuning.kiBP = [0., 35.]
    ret.longitudinalTuning.kiV = [0.54, 0.36]

    return ret

  # returns a car.CarState
  def update(self, c, can_strings):
    # ******************* do can recv *******************
    self.cp.update_strings(can_strings)
    self.cp_cam.update_strings(can_strings)

    self.CS.update(self.cp, self.cp_cam)

    # create message
    ret = car.CarState.new_message()

    ret.canValid = self.cp.can_valid and self.cp_cam.can_valid

    # speeds
    ret.vEgo = self.CS.v_ego
    ret.vEgoRaw = self.CS.v_ego_raw
    ret.aEgo = self.CS.a_ego
    ret.yawRate = self.VM.yaw_rate(self.CS.angle_steers * CV.DEG_TO_RAD, self.CS.v_ego)
    ret.standstill = self.CS.standstill
    ret.wheelSpeeds.fl = self.CS.v_wheel_fl
    ret.wheelSpeeds.fr = self.CS.v_wheel_fr
    ret.wheelSpeeds.rl = self.CS.v_wheel_rl
    ret.wheelSpeeds.rr = self.CS.v_wheel_rr

    # gear shifter
    ret.gearShifter = self.CS.gear_shifter

    # gas pedal
    ret.gas = self.CS.car_gas
    ret.gasPressed = self.CS.pedal_gas > 0

    # brake pedal
    ret.brake = self.CS.user_brake
    ret.brakePressed = self.CS.brake_pressed
    ret.brakeLights = self.CS.brake_lights

    # steering wheel
    ret.steeringAngle = self.CS.angle_steers
    ret.steeringRate = self.CS.angle_steers_rate

    ret.steeringTorque = self.CS.steer_torque_driver
    ret.steeringPressed = self.CS.steer_override
    ret.steeringRateLimited = self.CC.steer_rate_limited if self.CC is not None else False

    # cruise state
    ret.cruiseState.enabled = self.CS.pcm_acc_status  # same as main_on
    ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS
    ret.cruiseState.available = self.CS.main_on
    ret.cruiseState.speedOffset = 0.
    ret.cruiseState.standstill = False

    # TODO: button presses
    buttonEvents = []

    if self.CS.left_blinker_on != self.CS.prev_left_blinker_on:
      be = car.CarState.ButtonEvent.new_message()
      be.type = ButtonType.leftBlinker
      be.pressed = self.CS.left_blinker_on != 0
      buttonEvents.append(be)

    if self.CS.right_blinker_on != self.CS.prev_right_blinker_on:
      be = car.CarState.ButtonEvent.new_message()
      be.type = ButtonType.rightBlinker
      be.pressed = self.CS.right_blinker_on != 0
      buttonEvents.append(be)

    ret.buttonEvents = buttonEvents
    ret.leftBlinker = bool(self.CS.left_blinker_on)
    ret.rightBlinker = bool(self.CS.right_blinker_on)

    ret.doorOpen = not self.CS.door_all_closed
    ret.seatbeltUnlatched = not self.CS.seatbelt
    self.low_speed_alert = (ret.vEgo < self.CP.minSteerSpeed)

    ret.genericToggle = self.CS.generic_toggle
    #ret.lkasCounter = self.CS.lkas_counter
    #ret.lkasCarModel = self.CS.lkas_car_model

    # events
    events = []
    if not (ret.gearShifter in (GearShifter.drive, GearShifter.low)):
      events.append(create_event('wrongGear', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if ret.doorOpen:
      events.append(create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if ret.seatbeltUnlatched:
      events.append(create_event('seatbeltNotLatched', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if self.CS.esp_disabled:
      events.append(create_event('espDisabled', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if not self.CS.main_on:
      events.append(create_event('wrongCarMode', [ET.NO_ENTRY, ET.USER_DISABLE]))
    if ret.gearShifter == GearShifter.reverse:
      events.append(create_event('reverseGear', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
    if self.CS.steer_error:
      events.append(create_event('steerUnavailable', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT]))

    if ret.cruiseState.enabled and not self.cruise_enabled_prev:
      events.append(create_event('pcmEnable', [ET.ENABLE]))
    elif not ret.cruiseState.enabled:
      events.append(create_event('pcmDisable', [ET.USER_DISABLE]))

    # disable on gas pedal and speed isn't zero. Gas pedal is used to resume ACC
    # from a 3+ second stop.
    if (ret.gasPressed and (not self.gas_pressed_prev) and ret.vEgo > 2.0):
      events.append(create_event('pedalPressed', [ET.NO_ENTRY, ET.USER_DISABLE]))

    if self.low_speed_alert:
      events.append(create_event('belowSteerSpeed', [ET.WARNING]))

    ret.events = events

    self.gas_pressed_prev = ret.gasPressed
    self.brake_pressed_prev = ret.brakePressed
    self.cruise_enabled_prev = ret.cruiseState.enabled

    return ret.as_reader()

  # pass in a car.CarControl
  # to be called @ 100hz
  def apply(self, c):

    if (self.CS.frame == -1):
      return [] # if we haven't seen a frame 220, then do not update.

    can_sends = self.CC.update(c.enabled, self.CS, c.actuators, c.cruiseControl.cancel, c.hudControl.visualAlert)

    return can_sends
Exemplo n.º 2
0
class CarInterface(object):
  def __init__(self, CP, sendcan=None):
    self.CP = CP
    self.VM = VehicleModel(CP)

    self.frame = 0
    self.can_invalid_count = 0
    self.gas_pressed_prev = False
    self.brake_pressed_prev = False
    self.cruise_enabled_prev = False
    self.low_speed_alert = False

    # *** init the major players ***
    self.CS = CarState(CP)

    self.cp = get_can_parser(CP)

    # sending if read only is False
    if sendcan is not None:
      self.sendcan = sendcan
      self.CC = CarController(self.cp.dbc_name, CP.carFingerprint, CP.enableCamera)

  @staticmethod
  def compute_gb(accel, speed):
    return float(accel) / 3.0

  @staticmethod
  def calc_accel_override(a_ego, a_target, v_ego, v_target):
    return 1.0

  @staticmethod
  def get_params(candidate, fingerprint):

    # kg of standard extra cargo to count for drive, gas, etc...
    std_cargo = 136

    ret = car.CarParams.new_message()

    ret.carName = "chrysler"
    ret.carFingerprint = candidate

    ret.safetyModel = car.CarParams.SafetyModels.chrysler

    # pedal
    ret.enableCruise = True

    # FIXME: hardcoding honda civic 2016 touring params so they can be used to
    # scale unknown params for other cars
    mass_civic = 2923./2.205 + std_cargo
    wheelbase_civic = 2.70
    centerToFront_civic = wheelbase_civic * 0.4
    centerToRear_civic = wheelbase_civic - centerToFront_civic
    rotationalInertia_civic = 2500
    tireStiffnessFront_civic = 85400 * 2.0
    tireStiffnessRear_civic = 90000 * 2.0

    # Speed conversion:              20, 45 mph
    ret.steerKpBP, ret.steerKiBP = [[9., 20.], [9., 20.]]
    ret.wheelbase = 3.089  # in meters for Pacifica Hybrid 2017
    ret.steerRatio = 16.2 # Pacifica Hybrid 2017
    ret.mass = 2858 + std_cargo  # kg curb weight Pacifica Hybrid 2017
    ret.steerKpV, ret.steerKiV =   [[0.15,0.30], [0.03,0.05]]
    ret.steerKf = 0.00006   # full torque for 10 deg at 80mph means 0.00007818594
    ret.steerActuatorDelay = 0.1
    ret.steerRateCost = 0.7

    if candidate == CAR.JEEP_CHEROKEE:
      ret.wheelbase = 2.91  # in meters
      ret.steerRatio = 12.7
      ret.steerActuatorDelay = 0.2  # in seconds

    ret.centerToFront = ret.wheelbase * 0.44

    ret.longPidDeadzoneBP = [0., 9.]
    ret.longPidDeadzoneV = [0., .15]

    ret.minSteerSpeed = 3.8  # m/s
    ret.minEnableSpeed = -1.   # enable is done by stock ACC, so ignore this

    centerToRear = ret.wheelbase - ret.centerToFront
    # TODO: get actual value, for now starting with reasonable value for
    # civic and scaling by mass and wheelbase
    ret.rotationalInertia = rotationalInertia_civic * \
                            ret.mass * ret.wheelbase**2 / (mass_civic * wheelbase_civic**2)

    # 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 = tireStiffnessFront_civic * \
                             ret.mass / mass_civic * \
                             (centerToRear / ret.wheelbase) / (centerToRear_civic / wheelbase_civic)
    ret.tireStiffnessRear = tireStiffnessRear_civic * \
                            ret.mass / mass_civic * \
                            (ret.centerToFront / ret.wheelbase) / (centerToFront_civic / wheelbase_civic)

    # no rear steering, at least on the listed cars above
    ret.steerRatioRear = 0.

    # steer, gas, brake limitations VS speed
    ret.steerMaxBP = [16. * CV.KPH_TO_MS, 45. * CV.KPH_TO_MS]  # breakpoints at 1 and 40 kph
    ret.steerMaxV = [1., 1.]  # 2/3rd torque allowed above 45 kph
    ret.gasMaxBP = [0.]
    ret.gasMaxV = [0.5]
    ret.brakeMaxBP = [5., 20.]
    ret.brakeMaxV = [1., 0.8]

    ret.enableCamera = not check_ecu_msgs(fingerprint, ECU.CAM)
    print "ECU Camera Simulated: ", ret.enableCamera
    ret.openpilotLongitudinalControl = False

    ret.steerLimitAlert = True
    ret.stoppingControl = False
    ret.startAccel = 0.0

    ret.longitudinalKpBP = [0., 5., 35.]
    ret.longitudinalKpV = [3.6, 2.4, 1.5]
    ret.longitudinalKiBP = [0., 35.]
    ret.longitudinalKiV = [0.54, 0.36]

    return ret

  # returns a car.CarState
  def update(self, c):
    # ******************* do can recv *******************
    canMonoTimes = []

    self.cp.update(int(sec_since_boot() * 1e9), False)

    self.CS.update(self.cp)

    # create message
    ret = car.CarState.new_message()

    # speeds
    ret.vEgo = self.CS.v_ego
    ret.vEgoRaw = self.CS.v_ego_raw
    ret.aEgo = self.CS.a_ego
    ret.yawRate = self.VM.yaw_rate(self.CS.angle_steers * CV.DEG_TO_RAD, self.CS.v_ego)
    ret.standstill = self.CS.standstill
    ret.wheelSpeeds.fl = self.CS.v_wheel_fl
    ret.wheelSpeeds.fr = self.CS.v_wheel_fr
    ret.wheelSpeeds.rl = self.CS.v_wheel_rl
    ret.wheelSpeeds.rr = self.CS.v_wheel_rr

    # gear shifter
    ret.gearShifter = self.CS.gear_shifter

    # gas pedal
    ret.gas = self.CS.car_gas
    ret.gasPressed = self.CS.pedal_gas > 0

    # brake pedal
    ret.brake = self.CS.user_brake
    ret.brakePressed = self.CS.brake_pressed
    ret.brakeLights = self.CS.brake_lights

    # steering wheel
    ret.steeringAngle = self.CS.angle_steers
    ret.steeringRate = self.CS.angle_steers_rate

    ret.steeringTorque = self.CS.steer_torque_driver
    ret.steeringPressed = self.CS.steer_override

    # cruise state
    ret.cruiseState.enabled = self.CS.pcm_acc_status  # same as main_on
    ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS
    ret.cruiseState.available = self.CS.main_on
    ret.cruiseState.speedOffset = 0.
    # ignore standstill in hybrid rav4, since pcm allows to restart without
    # receiving any special command
    ret.cruiseState.standstill = False

    # TODO: button presses
    buttonEvents = []

    if self.CS.left_blinker_on != self.CS.prev_left_blinker_on:
      be = car.CarState.ButtonEvent.new_message()
      be.type = 'leftBlinker'
      be.pressed = self.CS.left_blinker_on != 0
      buttonEvents.append(be)

    if self.CS.right_blinker_on != self.CS.prev_right_blinker_on:
      be = car.CarState.ButtonEvent.new_message()
      be.type = 'rightBlinker'
      be.pressed = self.CS.right_blinker_on != 0
      buttonEvents.append(be)

    ret.buttonEvents = buttonEvents
    ret.leftBlinker = bool(self.CS.left_blinker_on)
    ret.rightBlinker = bool(self.CS.right_blinker_on)

    ret.doorOpen = not self.CS.door_all_closed
    ret.seatbeltUnlatched = not self.CS.seatbelt
    self.low_speed_alert = (ret.vEgo < self.CP.minSteerSpeed)

    ret.genericToggle = self.CS.generic_toggle

    # events
    events = []
    if not self.CS.can_valid:
      self.can_invalid_count += 1
      if self.can_invalid_count >= 5:
        events.append(create_event('commIssue', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
    else:
      self.can_invalid_count = 0
    if not ret.gearShifter == 'drive':
      events.append(create_event('wrongGear', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if ret.doorOpen:
      events.append(create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if ret.seatbeltUnlatched:
      events.append(create_event('seatbeltNotLatched', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if self.CS.esp_disabled:
      events.append(create_event('espDisabled', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
    if not self.CS.main_on:
      events.append(create_event('wrongCarMode', [ET.NO_ENTRY, ET.USER_DISABLE]))
    if ret.gearShifter == 'reverse':
      events.append(create_event('reverseGear', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
    if self.CS.steer_error:
      events.append(create_event('steerUnavailable', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT]))

    if ret.cruiseState.enabled and not self.cruise_enabled_prev:
      events.append(create_event('pcmEnable', [ET.ENABLE]))
    elif not ret.cruiseState.enabled:
      events.append(create_event('pcmDisable', [ET.USER_DISABLE]))

    # disable on gas pedal and speed isn't zero. Gas pedal is used to resume ACC
    # from a 3+ second stop.
    if (ret.gasPressed and (not self.gas_pressed_prev) and ret.vEgo > 2.0):
      events.append(create_event('pedalPressed', [ET.NO_ENTRY, ET.USER_DISABLE]))

    if self.low_speed_alert:
      events.append(create_event('belowSteerSpeed', [ET.WARNING]))

    ret.events = events
    ret.canMonoTimes = canMonoTimes

    self.gas_pressed_prev = ret.gasPressed
    self.brake_pressed_prev = ret.brakePressed
    self.cruise_enabled_prev = ret.cruiseState.enabled

    return ret.as_reader()

  # pass in a car.CarControl
  # to be called @ 100hz
  def apply(self, c, perception_state=log.Live20Data.new_message()):

    if (self.CS.frame == -1):
      return False # if we haven't seen a frame 220, then do not update.

    self.frame = self.CS.frame
    self.CC.update(self.sendcan, c.enabled, self.CS, self.frame,
                   c.actuators, c.cruiseControl.cancel, c.hudControl.visualAlert,
                   c.hudControl.audibleAlert)

    return False
Exemplo n.º 3
0
class CarInterface(object):
    def __init__(self, CP, sendcan=None):
        self.CP = CP
        self.VM = VehicleModel(CP)

        self.frame = 0
        self.can_invalid_count = 0
        self.gas_pressed_prev = False
        self.brake_pressed_prev = False
        self.cruise_enabled_prev = False

        # *** init the major players ***
        self.CS = CarState(CP)

        self.cp = get_can_parser(CP)

        # sending if read only is False
        if sendcan is not None:
            self.sendcan = sendcan
            self.CC = CarController(self.cp.dbc_name, CP.carFingerprint,
                                    CP.enableCamera, CP.enableDsu,
                                    CP.enableApgs)

    @staticmethod
    def compute_gb(accel, speed):
        return float(accel) / 3.0

    @staticmethod
    def calc_accel_override(a_ego, a_target, v_ego, v_target):
        return 1.0

    @staticmethod
    def get_params(candidate, fingerprint):

        # kg of standard extra cargo to count for drive, gas, etc...
        std_cargo = 136

        ret = car.CarParams.new_message()

        ret.carName = "chrysler"
        ret.carFingerprint = candidate

        ret.safetyModel = car.CarParams.SafetyModels.chrysler

        # pedal
        ret.enableCruise = True

        # FIXME: hardcoding honda civic 2016 touring params so they can be used to
        # scale unknown params for other cars
        mass_civic = 2923. / 2.205 + std_cargo
        wheelbase_civic = 2.70
        centerToFront_civic = wheelbase_civic * 0.4
        centerToRear_civic = wheelbase_civic - centerToFront_civic
        rotationalInertia_civic = 2500
        tireStiffnessFront_civic = 85400 * 2.0
        tireStiffnessRear_civic = 90000 * 2.0

        # Speed conversion:                0,  20,  45,  75 mph
        ret.steerKpBP, ret.steerKiBP = [[0., 9., 20., 34.], [0., 9., 20., 34.]]
        ret.safetyParam = 73  # see conversion factor for STEER_TORQUE_EPS in dbc file
        ret.wheelbase = 3.089  # in meters for Pacifica Hybrid 2017
        ret.steerRatio = 16.2  # Pacifica Hybrid 2017
        ret.mass = 2858 + std_cargo  # kg curb weight Pacifica Hybrid 2017
        ret.steerKpV, ret.steerKiV = [[0.15, 0.15, 0.34, 0.34],
                                      [0.03, 0.03, 0.03, 0.03]]
        ret.steerKf = 0.00006  # full torque for 10 deg at 80mph means 0.00007818594
        ret.steerActuatorDelay = 0.1
        ret.steerRateCost = 1.

        ret.centerToFront = ret.wheelbase * 0.44

        ret.longPidDeadzoneBP = [0., 9.]
        ret.longPidDeadzoneV = [0., .15]

        # 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 = 5. * CV.MPH_TO_MS  # -1 for stop-and-go

        centerToRear = ret.wheelbase - ret.centerToFront
        # TODO: get actual value, for now starting with reasonable value for
        # civic and scaling by mass and wheelbase
        ret.rotationalInertia = rotationalInertia_civic * \
                                ret.mass * ret.wheelbase**2 / (mass_civic * wheelbase_civic**2)

        # 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 = tireStiffnessFront_civic * \
                                 ret.mass / mass_civic * \
                                 (centerToRear / ret.wheelbase) / (centerToRear_civic / wheelbase_civic)
        ret.tireStiffnessRear = tireStiffnessRear_civic * \
                                ret.mass / mass_civic * \
                                (ret.centerToFront / ret.wheelbase) / (centerToFront_civic / wheelbase_civic)

        # no rear steering, at least on the listed cars above
        ret.steerRatioRear = 0.

        # steer, gas, brake limitations VS speed
        ret.steerMaxBP = [16. * CV.KPH_TO_MS,
                          45. * CV.KPH_TO_MS]  # breakpoints at 1 and 40 kph
        ret.steerMaxV = [1., 1.]  # 2/3rd torque allowed above 45 kph
        ret.gasMaxBP = [0.]
        ret.gasMaxV = [0.5]
        ret.brakeMaxBP = [5., 20.]
        ret.brakeMaxV = [1., 0.8]

        ret.enableCamera = not check_ecu_msgs(fingerprint, candidate, ECU.CAM)
        ret.enableDsu = False  #not check_ecu_msgs(fingerprint, candidate, ECU.DSU)
        ret.enableApgs = False  #not check_ecu_msgs(fingerprint, candidate, ECU.APGS)
        print "ECU Camera Simulated: ", ret.enableCamera
        print "ECU DSU Simulated: ", ret.enableDsu
        print "ECU APGS Simulated: ", ret.enableApgs

        ret.steerLimitAlert = False
        ret.stoppingControl = False
        ret.startAccel = 0.0

        ret.longitudinalKpBP = [0., 5., 35.]
        ret.longitudinalKpV = [3.6, 2.4, 1.5]
        ret.longitudinalKiBP = [0., 35.]
        ret.longitudinalKiV = [0.54, 0.36]

        return ret

    # returns a car.CarState
    def update(self, c):
        # ******************* do can recv *******************
        canMonoTimes = []

        self.cp.update(int(sec_since_boot() * 1e9), False)

        self.CS.update(self.cp)

        # create message
        ret = car.CarState.new_message()

        # speeds
        ret.vEgo = self.CS.v_ego
        ret.vEgoRaw = self.CS.v_ego_raw
        ret.aEgo = self.CS.a_ego
        ret.yawRate = self.VM.yaw_rate(self.CS.angle_steers * CV.DEG_TO_RAD,
                                       self.CS.v_ego)
        ret.standstill = self.CS.standstill
        ret.wheelSpeeds.fl = self.CS.v_wheel_fl
        ret.wheelSpeeds.fr = self.CS.v_wheel_fr
        ret.wheelSpeeds.rl = self.CS.v_wheel_rl
        ret.wheelSpeeds.rr = self.CS.v_wheel_rr

        # gear shifter
        ret.gearShifter = self.CS.gear_shifter

        # gas pedal
        ret.gas = self.CS.car_gas
        ret.gasPressed = self.CS.pedal_gas > 0

        # brake pedal
        ret.brake = self.CS.user_brake
        ret.brakePressed = self.CS.brake_pressed
        ret.brakeLights = self.CS.brake_lights

        # steering wheel
        ret.steeringAngle = self.CS.angle_steers
        ret.steeringRate = self.CS.angle_steers_rate

        ret.steeringTorque = self.CS.steer_torque_driver
        ret.steeringPressed = self.CS.steer_override

        # cruise state
        ret.cruiseState.enabled = self.CS.pcm_acc_status  # is this the same as main_on an issue?
        ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS
        ret.cruiseState.available = self.CS.main_on
        ret.cruiseState.speedOffset = 0.
        # ignore standstill in hybrid rav4, since pcm allows to restart without
        # receiving any special command
        ret.cruiseState.standstill = False

        # TODO: button presses
        buttonEvents = []

        if self.CS.left_blinker_on != self.CS.prev_left_blinker_on:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'leftBlinker'
            be.pressed = self.CS.left_blinker_on != 0
            buttonEvents.append(be)

        if self.CS.right_blinker_on != self.CS.prev_right_blinker_on:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'rightBlinker'
            be.pressed = self.CS.right_blinker_on != 0
            buttonEvents.append(be)

        ret.buttonEvents = buttonEvents
        ret.leftBlinker = bool(self.CS.left_blinker_on)
        ret.rightBlinker = bool(self.CS.right_blinker_on)

        ret.doorOpen = not self.CS.door_all_closed
        ret.seatbeltUnlatched = not self.CS.seatbelt

        ret.genericToggle = self.CS.generic_toggle

        # events
        events = []
        if not self.CS.can_valid:
            self.can_invalid_count += 1
            if self.can_invalid_count >= 5:
                events.append(
                    create_event('commIssue',
                                 [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
        else:
            self.can_invalid_count = 0
        if not ret.gearShifter == 'drive' and self.CP.enableDsu:
            events.append(
                create_event('wrongGear', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
        if ret.doorOpen:
            events.append(
                create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
        if ret.seatbeltUnlatched:
            events.append(
                create_event('seatbeltNotLatched',
                             [ET.NO_ENTRY, ET.SOFT_DISABLE]))
        if self.CS.esp_disabled and self.CP.enableDsu:
            events.append(
                create_event('espDisabled', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
        if not self.CS.main_on and self.CP.enableDsu:
            events.append(
                create_event('wrongCarMode', [ET.NO_ENTRY, ET.USER_DISABLE]))
        if ret.gearShifter == 'reverse' and self.CP.enableDsu:
            events.append(
                create_event('reverseGear',
                             [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
        if self.CS.steer_error:
            events.append(
                create_event('steerTempUnavailable',
                             [ET.NO_ENTRY, ET.WARNING]))
        if self.CS.low_speed_lockout and self.CP.enableDsu:
            events.append(
                create_event('lowSpeedLockout', [ET.NO_ENTRY, ET.PERMANENT]))
        if ret.vEgo < self.CP.minEnableSpeed and self.CP.enableDsu:
            events.append(create_event('speedTooLow', [ET.NO_ENTRY]))
            if c.actuators.gas > 0.1:
                # some margin on the actuator to not false trigger cancellation while stopping
                events.append(
                    create_event('speedTooLow', [ET.IMMEDIATE_DISABLE]))
            if ret.vEgo < 0.001:
                # while in standstill, send a user alert
                events.append(create_event('manualRestart', [ET.WARNING]))

        # enable request in prius is simple, as we activate when Toyota is active (rising edge)
        if ret.cruiseState.enabled and not self.cruise_enabled_prev:
            events.append(create_event('pcmEnable', [ET.ENABLE]))
        elif not ret.cruiseState.enabled:
            events.append(create_event('pcmDisable', [ET.USER_DISABLE]))

        # disable on pedals rising edge or when brake is pressed and speed isn't zero
        if (ret.gasPressed and not self.gas_pressed_prev) or \
           (ret.brakePressed and (not self.brake_pressed_prev or ret.vEgo > 0.001)):
            events.append(
                create_event('pedalPressed', [ET.NO_ENTRY, ET.USER_DISABLE]))

        if ret.gasPressed:
            events.append(create_event('pedalPressed', [ET.PRE_ENABLE]))

        ret.events = events
        ret.canMonoTimes = canMonoTimes

        self.gas_pressed_prev = ret.gasPressed
        self.brake_pressed_prev = ret.brakePressed
        self.cruise_enabled_prev = ret.cruiseState.enabled

        return ret.as_reader()

    # pass in a car.CarControl
    # to be called @ 100hz
    def apply(self, c, perception_state=log.Live20Data.new_message()):

        #! if our frame isn't synced with 220, then reset it.
        # this wasn't needed in the game, so could it be needed for OP?!?!
        # check if it's more than 3 away, accounting for 0x10 wrap-around.

        f1 = int(self.frame) % 0x10
        f2 = int(self.CS.frame_220
                 ) % 0x10  # shouldn't need the mod, but just in case.
        fmin = min(f1, f2)
        fmax = max(f1, f2)
        if ((fmax - fmin) > 2) and ((fmin + 0x10 - fmax) > 2):
            # copy lower nibble from frame_220 to our frame so they match
            self.frame = (int(self.frame) & 0xfffffff0) | f2

        self.CC.update(self.sendcan, c.enabled, self.CS, self.frame,
                       c.actuators, c.cruiseControl.cancel,
                       c.hudControl.visualAlert, c.hudControl.audibleAlert)

        self.frame += 1
        return False