Пример #1
0
    def __init__(self, CP, sendcan=None):
        self.CP = CP

        self.frame = 0
        self.last_enable_pressed = 0
        self.last_enable_sent = 0
        self.gas_pressed_prev = False
        self.brake_pressed_prev = False
        self.can_invalid_count = 0
        self.cam_can_invalid_count = 0

        self.cp = get_can_parser(CP)
        self.cp_cam = get_cam_can_parser(CP)

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

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

        if self.CS.CP.carFingerprint == CAR.ACURA_ILX:
            self.compute_gb = get_compute_gb_acura()
        else:
            self.compute_gb = compute_gb_honda
Пример #2
0
    def __init__(self, read_only=False):
        context = zmq.Context()
        self.logcan = messaging.sub_sock(context, service_list['can'].port)

        self.frame = 0

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

        # sending if read only is False
        if not read_only:
            self.sendcan = messaging.pub_sock(context,
                                              service_list['sendcan'].port)
            self.CC = CarController()
Пример #3
0
    def __init__(self, read_only=False):
        context = zmq.Context()
        # self.logcan = messaging.sub_sock(context, service_list['can'].port)

        self.frame = 0
        self.can_invalid_count = 0

        # *** init the major players ***
        self.CS = CarState(None)
        self.CS.angle_steers = 0.0

        # sending if read only is False
        if not read_only:
            # self.sendcan = messaging.pub_sock(context, service_list['sendcan'].port)
            self.CC = CarController()
Пример #4
0
    def __init__(self, CP, logcan, sendcan=None):
        self.logcan = logcan
        self.CP = CP

        self.frame = 0
        self.can_invalid_count = 0

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

        # sending if read only is False
        if sendcan is not None:
            self.sendcan = sendcan
            self.CC = CarController()

        if self.CS.accord:
            self.accord_msg = []
Пример #5
0
class CarInterface(object):
    def __init__(self, read_only=False):
        context = zmq.Context()
        self.logcan = messaging.sub_sock(context, service_list['can'].port)

        self.frame = 0
        self.can_invalid_count = 0

        # *** init the major players ***
        self.CS = CarState(self.logcan)
        self.CS.angle_steers = 0.0

        # sending if read only is False
        if not read_only:
            # self.sendcan = messaging.pub_sock(context, service_list['sendcan'].port)
            self.CC = CarController()

    def getVehicleParams(self):
        return self.CS.VP

    # returns a car.CarState
    def update(self):

        # ******************* do recv *******************
        for a in messaging.drain_sock(self.logcan):
            self.CS.angle_steers = a.carState.steeringAngle

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

        ret.steeringAngle = self.CS.angle_steers

        return ret.as_reader()

        # speeds
        ret.vEgo = self.CS.v_ego
        ret.wheelSpeeds.fl = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_FL']
        ret.wheelSpeeds.fr = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_FR']
        ret.wheelSpeeds.rl = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_RL']
        ret.wheelSpeeds.rr = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_RR']

        # gas pedal
        ret.gas = self.CS.car_gas / 256.0
        if self.CS.VP.brake_only:
            ret.gasPressed = self.CS.pedal_gas > 0
        else:
            ret.gasPressed = self.CS.user_gas_pressed

        # brake pedal
        ret.brake = self.CS.user_brake
        ret.brakePressed = self.CS.brake_pressed != 0

        # steering wheel
        # TODO: units
        ret.steeringAngle = self.CS.angle_steers
        ret.steeringTorque = self.CS.cp.vl[0x18F]['STEER_TORQUE_SENSOR']
        ret.steeringPressed = self.CS.steer_override

        # cruise state
        ret.cruiseState.enabled = self.CS.pcm_acc_status != 0
        ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS

        # 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)

        if self.CS.cruise_buttons != self.CS.prev_cruise_buttons:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'unknown'
            if self.CS.cruise_buttons != 0:
                be.pressed = True
                but = self.CS.cruise_buttons
            else:
                be.pressed = False
                but = self.CS.prev_cruise_buttons
            if but == CruiseButtons.RES_ACCEL:
                be.type = 'accelCruise'
            elif but == CruiseButtons.DECEL_SET:
                be.type = 'decelCruise'
            elif but == CruiseButtons.CANCEL:
                be.type = 'cancel'
            elif but == CruiseButtons.MAIN:
                be.type = 'altButton3'
            buttonEvents.append(be)

        if self.CS.cruise_setting != self.CS.prev_cruise_setting:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'unknown'
            if self.CS.cruise_setting != 0:
                be.pressed = True
                but = self.CS.cruise_setting
            else:
                be.pressed = False
                but = self.CS.prev_cruise_setting
            if but == 1:
                be.type = 'altButton1'
            # TODO: more buttons?
            buttonEvents.append(be)
        ret.buttonEvents = buttonEvents

        # errors
        # TODO: I don't like the way capnp does enums
        # These strings aren't checked at compile time
        errors = []
        if self.CS.steer_error:
            errors.append('steerUnavailable')
        elif self.CS.steer_not_allowed:
            errors.append('steerTemporarilyUnavailable')
        if self.CS.brake_error:
            errors.append('brakeUnavailable')
        if not self.CS.gear_shifter_valid:
            errors.append('wrongGear')
        if not self.CS.door_all_closed:
            errors.append('doorOpen')
        if not self.CS.seatbelt:
            errors.append('seatbeltNotLatched')
        if self.CS.esp_disabled:
            errors.append('espDisabled')
        if not self.CS.main_on:
            errors.append('wrongCarMode')
        if self.CS.gear_shifter == 2:
            errors.append('reverseGear')

        ret.errors = errors
        ret.canMonoTimes = canMonoTimes

        # cast to reader so it can't be modified
        #print ret
        return ret.as_reader()

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

        if c.hudControl.speedVisible:
            hud_v_cruise = c.hudControl.setSpeed * CV.MS_TO_KPH
        else:
            hud_v_cruise = 255

        hud_alert = {
            "none": AH.NONE,
            "fcw": AH.FCW,
            "steerRequired": AH.STEER,
            "brakePressed": AH.BRAKE_PRESSED,
            "wrongGear": AH.GEAR_NOT_D,
            "seatbeltUnbuckled": AH.SEATBELT,
            "speedTooHigh": AH.SPEED_TOO_HIGH
        }[str(c.hudControl.visualAlert)]

        snd_beep, snd_chime = {
            "none": (BP.MUTE, CM.MUTE),
            "beepSingle": (BP.SINGLE, CM.MUTE),
            "beepTriple": (BP.TRIPLE, CM.MUTE),
            "beepRepeated": (BP.REPEATED, CM.MUTE),
            "chimeSingle": (BP.MUTE, CM.SINGLE),
            "chimeDouble": (BP.MUTE, CM.DOUBLE),
            "chimeRepeated": (BP.MUTE, CM.REPEATED),
            "chimeContinuous": (BP.MUTE, CM.CONTINUOUS)
        }[str(c.hudControl.audibleAlert)]

        pcm_accel = int(
            np.clip(c.cruiseControl.accelOverride / 1.4, 0, 1) * 0xc6)

        self.CC.update(self.sendcan, c.enabled, self.CS, self.frame, \
          c.gas, c.brake, c.steeringTorque, \
          c.cruiseControl.speedOverride, \
          c.cruiseControl.override, \
          c.cruiseControl.cancel, \
          pcm_accel, \
          hud_v_cruise, c.hudControl.lanesVisible, \
          hud_show_car = c.hudControl.leadVisible, \
          hud_alert = hud_alert, \
          snd_beep = snd_beep, \
          snd_chime = snd_chime)

        self.frame += 1
        return not (c.enabled and not self.CC.controls_allowed)
Пример #6
0
class CarInterface(object):
    def __init__(self, CP, sendcan=None):
        self.CP = CP

        self.frame = 0
        self.last_enable_pressed = 0
        self.last_enable_sent = 0
        self.gas_pressed_prev = False
        self.brake_pressed_prev = False
        self.can_invalid_count = 0
        self.cam_can_invalid_count = 0

        self.cp = get_can_parser(CP)
        self.cp_cam = get_cam_can_parser(CP)

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

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

        if self.CS.CP.carFingerprint == CAR.ACURA_ILX:
            self.compute_gb = get_compute_gb_acura()
        else:
            self.compute_gb = compute_gb_honda

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

        # normalized max accel. Allowing max accel at low speed causes speed overshoots
        max_accel_bp = [10, 20]  # m/s
        max_accel_v = [0.714, 1.0]  # unit of max accel
        max_accel = interp(v_ego, max_accel_bp, max_accel_v)

        # limit the pcm accel cmd if:
        # - v_ego exceeds v_target, or
        # - a_ego exceeds a_target and v_ego is close to v_target

        eA = a_ego - a_target
        valuesA = [1.0, 0.1]
        bpA = [0.3, 1.1]

        eV = v_ego - v_target
        valuesV = [1.0, 0.1]
        bpV = [0.0, 0.5]

        valuesRangeV = [1., 0.]
        bpRangeV = [-1., 0.]

        # only limit if v_ego is close to v_target
        speedLimiter = interp(eV, bpV, valuesV)
        accelLimiter = max(interp(eA, bpA, valuesA),
                           interp(eV, bpRangeV, valuesRangeV))

        # accelOverride is more or less the max throttle allowed to pcm: usually set to a constant
        # unless aTargetMax is very high and then we scale with it; this help in quicker restart

        return float(max(max_accel, a_target / A_ACC_MAX)) * min(
            speedLimiter, accelLimiter)

    @staticmethod
    def get_params(candidate, fingerprint):

        ret = car.CarParams.new_message()
        ret.carName = "honda"
        ret.carFingerprint = candidate

        if candidate in HONDA_BOSCH:
            ret.safetyModel = car.CarParams.SafetyModels.hondaBosch
            ret.enableCamera = True
            ret.radarOffCan = True
        else:
            ret.safetyModel = car.CarParams.SafetyModels.honda
            ret.enableCamera = not any(
                x for x in CAMERA_MSGS if x in fingerprint)
            ret.enableGasInterceptor = 0x201 in fingerprint
        cloudlog.warn("ECU Camera Simulated: %r", ret.enableCamera)
        cloudlog.warn("ECU Gas Interceptor: %r", ret.enableGasInterceptor)

        ret.enableCruise = not ret.enableGasInterceptor

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

        # FIXME: hardcoding honda civic 2016 touring params so they can be used to
        # scale unknown params for other cars
        mass_civic = 2923 * CV.LB_TO_KG + std_cargo
        wheelbase_civic = 2.70
        centerToFront_civic = wheelbase_civic * 0.4
        centerToRear_civic = wheelbase_civic - centerToFront_civic
        rotationalInertia_civic = 2500
        tireStiffnessFront_civic = 192150
        tireStiffnessRear_civic = 202500

        # Optimized car params: tire_stiffness_factor and steerRatio are a result of a vehicle
        # model optimization process. Certain Hondas have an extra steering sensor at the bottom
        # of the steering rack, which improves controls quality as it removes the steering column
        # torsion from feedback.
        # Tire stiffness factor fictitiously lower if it includes the steering column torsion effect.
        # For modeling details, see p.198-200 in "The Science of Vehicle Dynamics (2014), M. Guiggiani"

        ret.steerKiBP, ret.steerKpBP = [[0.], [0.]]

        ret.steerKf = 0.000078  # conservative feed-forward

        if candidate == CAR.CIVIC:
            stop_and_go = True
            ret.mass = mass_civic
            ret.wheelbase = wheelbase_civic
            ret.centerToFront = centerToFront_civic
            ret.steerRatio = 14.63  # 10.93 is end-to-end spec
            tire_stiffness_factor = 1.
            # Civic at comma has modified steering FW, so different tuning for the Neo in that car
            is_fw_modified = os.getenv("DONGLE_ID") in ['99c94dc769b5d96e']
            ret.steerKpV, ret.steerKiV = [[0.33], [0.10]
                                          ] if is_fw_modified else [[0.8],
                                                                    [0.24]]
            if is_fw_modified:
                ret.steerKf = 0.00003
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [3.6, 2.4, 1.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.54, 0.36]

        elif candidate == CAR.CIVIC_HATCH:
            stop_and_go = True
            ret.mass = 2916. * CV.LB_TO_KG + std_cargo
            ret.wheelbase = wheelbase_civic
            ret.centerToFront = centerToFront_civic
            ret.steerRatio = 14.63  # 10.93 is spec end-to-end
            tire_stiffness_factor = 1.
            ret.steerKpV, ret.steerKiV = [[0.8], [0.24]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate in (CAR.ACCORD, CAR.ACCORD_15, CAR.ACCORDH):
            stop_and_go = True
            if not candidate == CAR.ACCORDH:  # Hybrid uses same brake msg as hatch
                ret.safetyParam = 1  # Accord and CRV 5G use an alternate user brake msg
            ret.mass = 3279. * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 2.83
            ret.centerToFront = ret.wheelbase * 0.39
            ret.steerRatio = 15.96  # 11.82 is spec end-to-end
            tire_stiffness_factor = 0.8467
            ret.steerKpV, ret.steerKiV = [[0.6], [0.18]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate == CAR.ACURA_ILX:
            stop_and_go = False
            ret.mass = 3095 * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 2.67
            ret.centerToFront = ret.wheelbase * 0.37
            ret.steerRatio = 18.61  # 15.3 is spec end-to-end
            tire_stiffness_factor = 0.72
            # Acura at comma has modified steering FW, so different tuning for the Neo in that car
            is_fw_modified = os.getenv("DONGLE_ID") in ['ff83f397542ab647']
            ret.steerKpV, ret.steerKiV = [[0.45], [0.00]
                                          ] if is_fw_modified else [[0.8],
                                                                    [0.24]]
            if is_fw_modified:
                ret.steerKf = 0.00003
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate == CAR.CRV:
            stop_and_go = False
            ret.mass = 3572 * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 2.62
            ret.centerToFront = ret.wheelbase * 0.41
            ret.steerRatio = 15.3  # as spec
            tire_stiffness_factor = 0.444  # not optimized yet
            ret.steerKpV, ret.steerKiV = [[0.8], [0.24]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate == CAR.CRV_5G:
            stop_and_go = True
            ret.safetyParam = 1  # Accord and CRV 5G use an alternate user brake msg
            ret.mass = 3410. * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 2.66
            ret.centerToFront = ret.wheelbase * 0.41
            ret.steerRatio = 16.0  # 12.3 is spec end-to-end
            tire_stiffness_factor = 0.677
            ret.steerKpV, ret.steerKiV = [[0.6], [0.18]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate == CAR.ACURA_RDX:
            stop_and_go = False
            ret.mass = 3935 * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 2.68
            ret.centerToFront = ret.wheelbase * 0.38
            ret.steerRatio = 15.0  # as spec
            tire_stiffness_factor = 0.444  # not optimized yet
            ret.steerKpV, ret.steerKiV = [[0.8], [0.24]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate == CAR.ODYSSEY:
            stop_and_go = False
            ret.mass = 4471 * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 3.00
            ret.centerToFront = ret.wheelbase * 0.41
            ret.steerRatio = 14.35  # as spec
            tire_stiffness_factor = 0.82
            ret.steerKpV, ret.steerKiV = [[0.45], [0.135]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate in (CAR.PILOT, CAR.PILOT_2019):
            stop_and_go = False
            ret.mass = 4303 * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 2.81
            ret.centerToFront = ret.wheelbase * 0.41
            ret.steerRatio = 16.0  # as spec
            tire_stiffness_factor = 0.82
            ret.steerKpV, ret.steerKiV = [[0.5], [0.22]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        elif candidate == CAR.RIDGELINE:
            stop_and_go = False
            ret.mass = 4515 * CV.LB_TO_KG + std_cargo
            ret.wheelbase = 3.18
            ret.centerToFront = ret.wheelbase * 0.41
            ret.steerRatio = 15.59  # as spec
            tire_stiffness_factor = 0.444  # not optimized yet
            ret.steerKpV, ret.steerKiV = [[0.38], [0.11]]
            ret.longitudinalKpBP = [0., 5., 35.]
            ret.longitudinalKpV = [1.2, 0.8, 0.5]
            ret.longitudinalKiBP = [0., 35.]
            ret.longitudinalKiV = [0.18, 0.12]

        else:
            raise ValueError("unsupported car %s" % candidate)

        ret.steerControlType = car.CarParams.SteerControlType.torque

        # 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. Otherwise, add 0.5 mph margin to not
        # conflict with PCM acc
        ret.minEnableSpeed = -1. if (
            stop_and_go or ret.enableGasInterceptor) else 25.5 * CV.MPH_TO_MS

        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 * tire_stiffness_factor) * \
                                 ret.mass / mass_civic * \
                                 (centerToRear / ret.wheelbase) / (centerToRear_civic / wheelbase_civic)
        ret.tireStiffnessRear = (tireStiffnessRear_civic * tire_stiffness_factor) * \
                                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.

        # no max steer limit VS speed
        ret.steerMaxBP = [0.]  # m/s
        ret.steerMaxV = [1.]  # max steer allowed

        ret.gasMaxBP = [0.]  # m/s
        ret.gasMaxV = [0.6] if ret.enableGasInterceptor else [
            0.
        ]  # max gas allowed
        ret.brakeMaxBP = [5., 20.]  # m/s
        ret.brakeMaxV = [1., 0.8]  # max brake allowed

        ret.longPidDeadzoneBP = [0.]
        ret.longPidDeadzoneV = [0.]

        ret.stoppingControl = True
        ret.steerLimitAlert = True
        ret.startAccel = 0.5

        ret.steerActuatorDelay = 0.1
        ret.steerRateCost = 0.35

        return ret

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

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

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

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

        # speeds
        ret.vEgo = self.CS.v_ego
        ret.aEgo = self.CS.a_ego
        ret.vEgoRaw = self.CS.v_ego_raw
        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

        # gas pedal
        ret.gas = self.CS.car_gas / 256.0
        if not self.CP.enableGasInterceptor:
            ret.gasPressed = self.CS.pedal_gas > 0
        else:
            ret.gasPressed = self.CS.user_gas_pressed

        # brake pedal
        ret.brake = self.CS.user_brake
        ret.brakePressed = self.CS.brake_pressed != 0
        # FIXME: read sendcan for brakelights
        brakelights_threshold = 0.02 if self.CS.CP.carFingerprint == CAR.CIVIC else 0.1
        ret.brakeLights = bool(self.CS.brake_switch
                               or c.actuators.brake > brakelights_threshold)

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

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

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

        # cruise state
        ret.cruiseState.enabled = self.CS.pcm_acc_status != 0
        ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS
        ret.cruiseState.available = bool(self.CS.main_on)
        ret.cruiseState.speedOffset = self.CS.cruise_speed_offset
        ret.cruiseState.standstill = False

        ret.readdistancelines = self.CS.read_distance_lines
        ret.lkMode = self.CS.lkMode

        # TODO: button presses
        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

        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)

        if self.CS.cruise_buttons != self.CS.prev_cruise_buttons:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'unknown'
            if self.CS.cruise_buttons != 0:
                be.pressed = True
                but = self.CS.cruise_buttons
            else:
                be.pressed = False
                but = self.CS.prev_cruise_buttons
            if but == CruiseButtons.RES_ACCEL:
                be.type = 'accelCruise'
            elif but == CruiseButtons.DECEL_SET:
                be.type = 'decelCruise'
            elif but == CruiseButtons.CANCEL:
                be.type = 'cancel'
            elif but == CruiseButtons.MAIN:
                be.type = 'altButton3'
            buttonEvents.append(be)

        if self.CS.cruise_setting != self.CS.prev_cruise_setting:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'unknown'
            if self.CS.cruise_setting != 0:
                be.pressed = True
                but = self.CS.cruise_setting
            else:
                be.pressed = False
                but = self.CS.prev_cruise_setting
            if but == 1:
                be.type = 'altButton1'
            # TODO: more buttons?
            buttonEvents.append(be)
        ret.buttonEvents = buttonEvents

        # events
        # TODO: I don't like the way capnp does enums
        # These strings aren't checked at compile time
        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 self.CS.cam_can_valid and self.CP.enableCamera:
            self.cam_can_invalid_count += 1
            # wait 1.0s before throwing the alert to avoid it popping when you turn off the car
            if self.cam_can_invalid_count >= 100 and self.CS.CP.carFingerprint not in HONDA_BOSCH:
                events.append(
                    create_event(
                        'invalidGiraffeHonda',
                        [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT]))
        else:
            self.cam_can_invalid_count = 0

        if self.CS.steer_error:
            events.append(
                create_event(
                    'steerUnavailable',
                    [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT]))
        elif self.CS.steer_warning:
            events.append(create_event('steerTempUnavailable', [ET.WARNING]))
        if self.CS.brake_error:
            events.append(
                create_event(
                    'brakeUnavailable',
                    [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT]))
        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.brake_hold and self.CS.CP.carFingerprint not in HONDA_BOSCH:
            events.append(
                create_event('brakeHold', [ET.NO_ENTRY, ET.USER_DISABLE]))
        if self.CS.park_brake:
            events.append(
                create_event('parkBrake', [ET.NO_ENTRY, ET.USER_DISABLE]))

        if self.CP.enableCruise and ret.vEgo < self.CP.minEnableSpeed:
            events.append(create_event('speedTooLow', [ET.NO_ENTRY]))

        # 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]))

        # it can happen that car cruise disables while comma system is enabled: need to
        # keep braking if needed or if the speed is very low
        if self.CP.enableCruise and not ret.cruiseState.enabled and c.actuators.brake <= 0.:
            # non loud alert if cruise disbales below 25mph as expected (+ a little margin)
            if ret.vEgo < self.CP.minEnableSpeed + 2.:
                #  events.append(create_event('speedTooLow', [ET.IMMEDIATE_DISABLE]))
                #else:
                events.append(
                    create_event("cruiseDisabled", [ET.IMMEDIATE_DISABLE])
                )  # send loud alert if slow and cruise disables during braking

        if self.CS.CP.minEnableSpeed > 0 and ret.vEgo < 0.001:
            events.append(create_event('manualRestart', [ET.WARNING]))

        cur_time = sec_since_boot()
        enable_pressed = False
        # handle button presses
        for b in ret.buttonEvents:

            # do enable on both accel and decel buttons
            if b.type in ["accelCruise", "decelCruise"] and not b.pressed:
                self.last_enable_pressed = cur_time
                enable_pressed = True

            # do disable on button down
            if b.type == "cancel" and b.pressed:
                events.append(create_event('buttonCancel', [ET.USER_DISABLE]))

        if self.CP.enableCruise:
            # KEEP THIS EVENT LAST! send enable event if button is pressed and there are
            # NO_ENTRY events, so controlsd will display alerts. Also not send enable events
            # too close in time, so a no_entry will not be followed by another one.
            # TODO: button press should be the only thing that triggers enble
            if ((cur_time - self.last_enable_pressed) < 0.2 and
                (cur_time - self.last_enable_sent) > 0.2 and
                ret.cruiseState.enabled) or \
               (enable_pressed and get_events(events, [ET.NO_ENTRY])):
                events.append(create_event('buttonEnable', [ET.ENABLE]))
                self.last_enable_sent = cur_time
        elif enable_pressed:
            events.append(create_event('buttonEnable', [ET.ENABLE]))

        ret.events = events
        ret.canMonoTimes = canMonoTimes

        # update previous brake/gas pressed
        self.gas_pressed_prev = ret.gasPressed
        self.brake_pressed_prev = ret.brakePressed

        # cast to reader so it can't be modified
        return ret.as_reader()

    # pass in a car.CarControl
    # to be called @ 100hz
    def apply(self, c, perception_state=log.Live20Data.new_message()):
        if c.hudControl.speedVisible:
            hud_v_cruise = c.hudControl.setSpeed * CV.MS_TO_KPH
        else:
            hud_v_cruise = 255

        hud_alert = VISUAL_HUD[c.hudControl.visualAlert.raw]
        snd_beep, snd_chime = AUDIO_HUD[c.hudControl.audibleAlert.raw]

        pcm_accel = int(clip(c.cruiseControl.accelOverride, 0, 1) * 0xc6)

        self.CC.update(self.sendcan, c.enabled, self.CS, self.frame, \
          c.actuators, \
          c.cruiseControl.speedOverride, \
          c.cruiseControl.override, \
          c.cruiseControl.cancel, \
          pcm_accel, \
          perception_state.radarErrors, \
          hud_v_cruise, c.hudControl.lanesVisible, \
          hud_show_car = c.hudControl.leadVisible, \
          hud_alert = hud_alert, \
          snd_beep = snd_beep, \
          snd_chime = snd_chime)

        self.frame += 1
Пример #7
0
class CarInterface(object):
    def __init__(self, CP, logcan, sendcan=None):
        self.logcan = logcan
        self.CP = CP

        self.frame = 0
        self.can_invalid_count = 0

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

        # sending if read only is False
        if sendcan is not None:
            self.sendcan = sendcan
            self.CC = CarController()

        if self.CS.accord:
            self.accord_msg = []

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

        for a in messaging.drain_sock(self.logcan):
            canMonoTimes.append(a.logMonoTime)
            can_pub_main.extend(can_capnp_to_can_list(a.can, [0, 2]))
            if self.CS.accord:
                self.accord_msg.extend(can_capnp_to_can_list(a.can, [9]))
                self.accord_msg = self.accord_msg[-1:]
        self.CS.update(can_pub_main)

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

        # speeds
        ret.vEgo = self.CS.v_ego
        ret.wheelSpeeds.fl = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_FL']
        ret.wheelSpeeds.fr = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_FR']
        ret.wheelSpeeds.rl = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_RL']
        ret.wheelSpeeds.rr = self.CS.cp.vl[0x1D0]['WHEEL_SPEED_RR']

        # gas pedal
        ret.gas = self.CS.car_gas / 256.0
        if not self.CP.enableGas:
            ret.gasPressed = self.CS.pedal_gas > 0
        else:
            ret.gasPressed = self.CS.user_gas_pressed

        # brake pedal
        ret.brake = self.CS.user_brake
        ret.brakePressed = self.CS.brake_pressed != 0

        # steering wheel
        # TODO: units
        ret.steeringAngle = self.CS.angle_steers

        if self.CS.accord:
            # TODO: move this into the CAN parser
            ret.steeringTorque = 0
            if len(self.accord_msg) > 0:
                aa = map(lambda x: ord(x) & 0x7f, self.accord_msg[0][2])
                if len(aa) != 5 or (
                        -(aa[0] + aa[1] + aa[2] + aa[3])) & 0x7f != aa[4]:
                    print "ACCORD MSG BAD LEN OR CHECKSUM!"
                    # TODO: throw an error here?
                else:
                    st = ((aa[0] & 0xF) << 5) + (aa[1] & 0x1F)
                    if st >= 256:
                        st = -(512 - st)
                    ret.steeringTorque = st
            ret.steeringPressed = abs(ret.steeringTorque) > 20
        else:
            ret.steeringTorque = self.CS.cp.vl[0x18F]['STEER_TORQUE_SENSOR']
            ret.steeringPressed = self.CS.steer_override

        # cruise state
        ret.cruiseState.enabled = self.CS.pcm_acc_status != 0
        ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS

        # 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)

        if self.CS.cruise_buttons != self.CS.prev_cruise_buttons:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'unknown'
            if self.CS.cruise_buttons != 0:
                be.pressed = True
                but = self.CS.cruise_buttons
            else:
                be.pressed = False
                but = self.CS.prev_cruise_buttons
            if but == CruiseButtons.RES_ACCEL:
                be.type = 'accelCruise'
            elif but == CruiseButtons.DECEL_SET:
                be.type = 'decelCruise'
            elif but == CruiseButtons.CANCEL:
                be.type = 'cancel'
            elif but == CruiseButtons.MAIN:
                be.type = 'altButton3'
            buttonEvents.append(be)

        if self.CS.cruise_setting != self.CS.prev_cruise_setting:
            be = car.CarState.ButtonEvent.new_message()
            be.type = 'unknown'
            if self.CS.cruise_setting != 0:
                be.pressed = True
                but = self.CS.cruise_setting
            else:
                be.pressed = False
                but = self.CS.prev_cruise_setting
            if but == 1:
                be.type = 'altButton1'
            # TODO: more buttons?
            buttonEvents.append(be)
        ret.buttonEvents = buttonEvents

        # errors
        # TODO: I don't like the way capnp does enums
        # These strings aren't checked at compile time
        errors = []
        if not self.CS.can_valid:
            self.can_invalid_count += 1
            if self.can_invalid_count >= 5:
                errors.append('commIssue')
        else:
            self.can_invalid_count = 0
        if self.CS.steer_error:
            errors.append('steerUnavailable')
        elif self.CS.steer_not_allowed:
            errors.append('steerTemporarilyUnavailable')
        if self.CS.brake_error:
            errors.append('brakeUnavailable')
        if not self.CS.gear_shifter_valid:
            errors.append('wrongGear')
        if not self.CS.door_all_closed:
            errors.append('doorOpen')
        if not self.CS.seatbelt:
            errors.append('seatbeltNotLatched')
        if self.CS.esp_disabled:
            errors.append('espDisabled')
        if not self.CS.main_on:
            errors.append('wrongCarMode')
        if self.CS.gear_shifter == 2:
            errors.append('reverseGear')

        ret.errors = errors
        ret.canMonoTimes = canMonoTimes

        # cast to reader so it can't be modified
        #print ret
        return ret.as_reader()

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

        if c.hudControl.speedVisible:
            hud_v_cruise = c.hudControl.setSpeed * CV.MS_TO_KPH
        else:
            hud_v_cruise = 255

        hud_alert = {
            "none": AH.NONE,
            "fcw": AH.FCW,
            "steerRequired": AH.STEER,
            "brakePressed": AH.BRAKE_PRESSED,
            "wrongGear": AH.GEAR_NOT_D,
            "seatbeltUnbuckled": AH.SEATBELT,
            "speedTooHigh": AH.SPEED_TOO_HIGH
        }[str(c.hudControl.visualAlert)]

        snd_beep, snd_chime = {
            "none": (BP.MUTE, CM.MUTE),
            "beepSingle": (BP.SINGLE, CM.MUTE),
            "beepTriple": (BP.TRIPLE, CM.MUTE),
            "beepRepeated": (BP.REPEATED, CM.MUTE),
            "chimeSingle": (BP.MUTE, CM.SINGLE),
            "chimeDouble": (BP.MUTE, CM.DOUBLE),
            "chimeRepeated": (BP.MUTE, CM.REPEATED),
            "chimeContinuous": (BP.MUTE, CM.CONTINUOUS)
        }[str(c.hudControl.audibleAlert)]

        pcm_accel = int(
            np.clip(c.cruiseControl.accelOverride / 1.4, 0, 1) * 0xc6)

        self.CC.update(self.sendcan, c.enabled, self.CS, self.frame, \
          c.gas, c.brake, c.steeringTorque, \
          c.cruiseControl.speedOverride, \
          c.cruiseControl.override, \
          c.cruiseControl.cancel, \
          pcm_accel, \
          hud_v_cruise, c.hudControl.lanesVisible, \
          hud_show_car = c.hudControl.leadVisible, \
          hud_alert = hud_alert, \
          snd_beep = snd_beep, \
          snd_chime = snd_chime)

        self.frame += 1
        return not (c.enabled and not self.CC.controls_allowed)