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.cp = get_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): # 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(0.714, a_target / A_ACC_MAX)) * min(speedLimiter, accelLimiter) @staticmethod def get_params(candidate, fingerprint): # kg of standard extra cargo to count for drive, gas, etc... std_cargo = 136 # Ridgeline reqires scaled tire stiffness ts_factor = 1 ret = car.CarParams.new_message() ret.carName = "honda" ret.carFingerprint = candidate 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 print "ECU Camera Simulated: ", ret.enableCamera print "ECU Gas Interceptor: ", ret.enableGasInterceptor ret.enableCruise = not ret.enableGasInterceptor # 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 tireStiffnessRear_civic = 90000 ret.steerKiBP, ret.steerKpBP = [[0.], [0.]] if candidate == CAR.CIVIC: stop_and_go = True ret.mass = mass_civic ret.wheelbase = wheelbase_civic ret.centerToFront = centerToFront_civic ret.steerRatio = 13.0 # 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 = [[0.4], [0.12]] if is_fw_modified else [[0.8], [0.24]] 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.ACURA_ILX: stop_and_go = False ret.mass = 3095./2.205 + std_cargo ret.wheelbase = 2.67 ret.centerToFront = ret.wheelbase * 0.37 ret.steerRatio = 15.3 # 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 = [[0.4], [0.12]] if is_fw_modified else [[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: stop_and_go = False ret.mass = 3572./2.205 + std_cargo ret.wheelbase = 2.62 ret.centerToFront = ret.wheelbase * 0.41 ret.steerRatio = 15.3 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.ACURA_RDX: stop_and_go = False ret.mass = 3935./2.205 + std_cargo ret.wheelbase = 2.68 ret.centerToFront = ret.wheelbase * 0.38 ret.steerRatio = 15.0 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 = 4354./2.205 + std_cargo ret.wheelbase = 3.00 ret.centerToFront = ret.wheelbase * 0.41 ret.steerRatio = 14.35 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.PILOT: stop_and_go = False ret.mass = 4303./2.205 + std_cargo ret.wheelbase = 2.81 ret.centerToFront = ret.wheelbase * 0.41 ret.steerRatio = 16.0 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] elif candidate == CAR.RIDGELINE: stop_and_go = False ts_factor = 1.4 ret.mass = 4515./2.205 + std_cargo ret.wheelbase = 3.18 ret.centerToFront = ret.wheelbase * 0.41 ret.steerRatio = 15.59 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.steerKf = 0. # TODO: investigate FF steer control for Honda 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 * ts_factor) * \ ret.mass / mass_civic * \ (centerToRear / ret.wheelbase) / (centerToRear_civic / wheelbase_civic) ret.tireStiffnessRear = (tireStiffnessRear_civic * ts_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.steerRateCost = 0.5 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.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 # 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 self.CS.steer_error: events.append(create_event('steerUnavailable', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT])) elif self.CS.steer_not_allowed: events.append(create_event('steerTempUnavailable', [ET.NO_ENTRY, 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: 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])) 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: print "enabled pressed at", cur_time 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): 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(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, \ 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
class CarInterface(object): def __init__(self, CP, CarController): 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.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) self.CC = None if CarController is not None: self.CC = CarController(self.cp.dbc_name) 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, vin="", is_panda_black=False): ret = car.CarParams.new_message() ret.carName = "honda" ret.carFingerprint = candidate ret.carVin = vin ret.isPandaBlack = is_panda_black if candidate in HONDA_BOSCH: ret.safetyModel = car.CarParams.SafetyModel.hondaBosch ret.enableCamera = True ret.radarOffCan = True ret.openpilotLongitudinalControl = not any( x for x in BOSCH_RADAR_MSGS if x in fingerprint) ret.enableCruise = not ret.openpilotLongitudinalControl else: ret.safetyModel = car.CarParams.SafetyModel.honda ret.enableCamera = not any( x for x in CAMERA_MSGS if x in fingerprint) or is_panda_black ret.enableGasInterceptor = 0x201 in fingerprint ret.openpilotLongitudinalControl = ret.enableCamera ret.enableCruise = not ret.enableGasInterceptor cloudlog.warn("ECU Camera Simulated: %r", ret.enableCamera) cloudlog.warn("ECU Gas Interceptor: %r", ret.enableGasInterceptor) ret.enableCruise = not ret.enableGasInterceptor # 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.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]] ret.lateralTuning.pid.kf = 0.00006 # conservative feed-forward if candidate in [CAR.CIVIC, CAR.CIVIC_BOSCH]: stop_and_go = True ret.mass = CivicParams.MASS ret.wheelbase = CivicParams.WHEELBASE ret.centerToFront = CivicParams.CENTER_TO_FRONT ret.steerRatio = 15.38 # 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 ['5b7c365c50084530'] if is_fw_modified: ret.lateralTuning.pid.kf = 0.00004 ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[ 0.4 ], [0.12]] if is_fw_modified else [[0.8], [0.24]] 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] 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_KG ret.wheelbase = 2.83 ret.centerToFront = ret.wheelbase * 0.39 ret.steerRatio = 16.33 # 11.82 is spec end-to-end tire_stiffness_factor = 0.8467 ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.ACURA_ILX: stop_and_go = False ret.mass = 3095. * CV.LB_TO_KG + STD_CARGO_KG 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 ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.CRV: stop_and_go = False ret.mass = 3572. * CV.LB_TO_KG + STD_CARGO_KG ret.wheelbase = 2.62 ret.centerToFront = ret.wheelbase * 0.41 ret.steerRatio = 16.89 # as spec tire_stiffness_factor = 0.444 # not optimized yet ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [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_KG 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.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.CRV_HYBRID: stop_and_go = True ret.safetyParam = 1 # Accord and CRV 5G use an alternate user brake msg ret.mass = 1667. + STD_CARGO_KG # mean of 4 models in kg 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.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.ACURA_RDX: stop_and_go = False ret.mass = 3935. * CV.LB_TO_KG + STD_CARGO_KG 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.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.ODYSSEY: stop_and_go = False ret.mass = 4471. * CV.LB_TO_KG + STD_CARGO_KG ret.wheelbase = 3.00 ret.centerToFront = ret.wheelbase * 0.41 ret.steerRatio = 14.35 # as spec tire_stiffness_factor = 0.82 ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.45], [0.135]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.ODYSSEY_CHN: stop_and_go = False ret.mass = 1849.2 + STD_CARGO_KG # mean of 4 models in kg ret.wheelbase = 2.90 # spec ret.centerToFront = ret.wheelbase * 0.41 # from CAR.ODYSSEY ret.steerRatio = 14.35 # from CAR.ODYSSEY tire_stiffness_factor = 0.82 # from CAR.ODYSSEY ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.45], [0.135]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate in (CAR.PILOT, CAR.PILOT_2019): stop_and_go = False ret.mass = 4204. * CV.LB_TO_KG + STD_CARGO_KG # average weight ret.wheelbase = 2.82 ret.centerToFront = ret.wheelbase * 0.428 # average weight distribution ret.steerRatio = 17.25 # as spec tire_stiffness_factor = 0.444 # not optimized yet ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.38], [0.11]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [0.18, 0.12] elif candidate == CAR.RIDGELINE: stop_and_go = False ret.mass = 4515. * CV.LB_TO_KG + STD_CARGO_KG 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.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.38], [0.11]] ret.longitudinalTuning.kpBP = [0., 5., 35.] ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5] ret.longitudinalTuning.kiBP = [0., 35.] ret.longitudinalTuning.kiV = [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 # 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) # 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 # TODO: what is the correct way to handle this? ret.gasMaxV = [ 1. ] #if ret.enableGasInterceptor else [0.] # max gas allowed ret.brakeMaxBP = [5., 20.] # m/s ret.brakeMaxV = [1., 0.8] # max brake allowed ret.longitudinalTuning.deadzoneBP = [0.] ret.longitudinalTuning.deadzoneV = [0.] ret.stoppingControl = True ret.steerLimitAlert = True ret.startAccel = 0.5 ret.steerActuatorDelay = 0.1 ret.steerRateCost = 0.5 return ret # returns a car.CarState def update(self, c, can_strings): # ******************* do can recv ******************* self.cp.update_strings(int(sec_since_boot() * 1e9), can_strings) self.cp_cam.update_strings(int(sec_since_boot() * 1e9), can_strings) self.CS.update(self.cp, self.cp_cam) # create message ret = car.CarState.new_message() ret.canValid = self.cp.can_valid # 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.steeringTorqueEps = self.CS.steer_torque_motor 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) and not bool(self.CS.cruise_mode) ret.cruiseState.speedOffset = self.CS.cruise_speed_offset ret.cruiseState.standstill = False # 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 events = [] # wait 1.0s before throwing the alert to avoid it popping when you turn off the car if self.cp_cam.can_invalid_cnt >= 100 and self.CS.CP.carFingerprint not in HONDA_BOSCH and self.CP.enableCamera: events.append( create_event( 'invalidGiraffeHonda', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT])) 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 or self.CS.cruise_mode: 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.openpilotLongitudinalControl: 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])) if self.CS.CP.minEnableSpeed > 0 and ret.vEgo < 0.001: events.append(create_event('manualRestart', [ET.WARNING])) cur_time = self.frame * DT_CTRL 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 # 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): 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] pcm_accel = int(clip(c.cruiseControl.accelOverride, 0, 1) * 0xc6) can_sends = self.CC.update(c.enabled, self.CS, self.frame, c.actuators, 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) self.frame += 1 return can_sends
class CarInterface(object): def __init__(self, CP, logcan, sendcan=None): self.logcan = logcan 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 # *** 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(CP.enableCamera) if self.CS.accord: # self.accord_msg = [] raise NotImplementedError @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 = "honda" ret.radarName = "nidec" ret.carFingerprint = candidate ret.safetyModel = car.CarParams.SafetyModels.honda ret.enableSteer = True ret.enableBrake = True ret.enableCamera = not any(x for x in CAMERA_MSGS if x in fingerprint) ret.enableGas = 0x201 in fingerprint print "ECU Camera Simulated: ", ret.enableCamera print "ECU Gas Interceptor: ", ret.enableGas ret.enableCruise = not ret.enableGas # FIXME: hardcoding honda civic 2016 touring params so they can be used to # scale unknown params for other cars m_civic = 2923. / 2.205 + std_cargo l_civic = 2.70 aF_civic = l_civic * 0.4 aR_civic = l_civic - aF_civic j_civic = 2500 cF_civic = 85400 cR_civic = 90000 if candidate == "HONDA CIVIC 2016 TOURING": stop_and_go = True ret.m = m_civic ret.l = l_civic ret.aF = aF_civic ret.sR = 13.0 # Civic at comma has modified steering FW, so different tuning for the Neo in that car is_fw_modified = os.getenv("DONGLE_ID") in ['b0f5a01cf604185c'] ret.steerKp, ret.steerKi = [0.4, 0.12 ] if is_fw_modified else [0.8, 0.24] elif candidate == "ACURA ILX 2016 ACURAWATCH PLUS": stop_and_go = False ret.m = 3095. / 2.205 + std_cargo ret.l = 2.67 ret.aF = ret.l * 0.37 ret.sR = 15.3 # Acura at comma has modified steering FW, so different tuning for the Neo in that car is_fw_modified = os.getenv("DONGLE_ID") in ['cb38263377b873ee'] ret.steerKp, ret.steerKi = [0.4, 0.12 ] if is_fw_modified else [0.8, 0.24] elif candidate == "HONDA ACCORD 2016 TOURING": stop_and_go = False ret.m = 3580. / 2.205 + std_cargo ret.l = 2.74 ret.aF = ret.l * 0.38 ret.sR = 15.3 ret.steerKp, ret.steerKi = 0.8, 0.24 elif candidate == "HONDA CR-V 2016 TOURING": stop_and_go = False ret.m = 3572. / 2.205 + std_cargo ret.l = 2.62 ret.aF = ret.l * 0.41 ret.sR = 15.3 ret.steerKp, ret.steerKi = 0.8, 0.24 else: raise ValueError("unsupported car %s" % candidate) ret.steerKf = 0. # TODO: investigate FF steer control for Honda # 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.enableGas) else 25.5 * CV.MPH_TO_MS ret.aR = ret.l - ret.aF # TODO: get actual value, for now starting with reasonable value for # civic and scaling by mass and wheelbase ret.j = j_civic * ret.m * ret.l**2 / (m_civic * l_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.cF = cF_civic * ret.m / m_civic * (ret.aR / ret.l) / (aR_civic / l_civic) ret.cR = cR_civic * ret.m / m_civic * (ret.aF / ret.l) / (aF_civic / l_civic) # no rear steering, at least on the listed cars above ret.chi = 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.enableGas else [0.] # max gas allowed ret.brakeMaxBP = [5., 20.] # m/s ret.brakeMaxV = [1., 0.8] # max brake allowed ret.steerLimitAlert = True return ret compute_gb = staticmethod(get_compute_gb()) # returns a car.CarState def update(self, c): # ******************* do can recv ******************* can_pub_main = [] canMonoTimes = [] self.CS.update(can_pub_main) # 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.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.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 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.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 ret.cruiseState.available = bool(self.CS.main_on) ret.cruiseState.speedOffset = self.CS.cruise_speed_offset # 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 # 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 self.CS.steer_error: events.append( create_event('steerUnavailable', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE])) elif self.CS.steer_not_allowed: events.append( create_event('steerTempUnavailable', [ET.NO_ENTRY, ET.WARNING])) if self.CS.brake_error: events.append( create_event('brakeUnavailable', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE])) if not ret.gearShifter == 'drive': events.append( create_event('wrongGear', [ET.NO_ENTRY, ET.SOFT_DISABLE])) if not self.CS.door_all_closed: events.append( create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE])) if not self.CS.seatbelt: 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: 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.brakePressed and ret.vEgo < 0.001) or ret.gasPressed: 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 # TODO: for the Acura, cancellation below 25mph is normal. Issue a non loud alert if self.CP.enableCruise and not ret.cruiseState.enabled and \ (c.actuators.brake <= 0. or ret.vEgo < 0.3): events.append( create_event("cruiseDisabled", [ET.IMMEDIATE_DISABLE])) 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: print "enabled pressed at", cur_time 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 #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(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, \ 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
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)
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.cruise_enabled_prev = False 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 ret.openpilotLongitudinalControl = False 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 ret.openpilotLongitudinalControl = ret.enableCamera 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 = 0.00006 # conservative feed-forward if candidate in [CAR.CIVIC, CAR.CIVIC_BOSCH]: stop_and_go = True ret.mass = mass_civic ret.wheelbase = wheelbase_civic ret.centerToFront = centerToFront_civic ret.steerRatio = 15.58 # 0.5.10 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 = [[0.4], [0.12]] if is_fw_modified else [[0.4], [0.14]] if is_fw_modified: tire_stiffness_factor = 0.9 ret.steerKf = 0.00004 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 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 = 17.11 # 0.5.10 tire_stiffness_factor = 0.8467 ret.steerKpV, ret.steerKiV = [[0.4], [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 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: 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 = 16.0 # 0.5.10 tire_stiffness_factor = 0.444 # not optimized yet ret.steerKpV, ret.steerKiV = [[0.6], [0.14]] 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 ret.longitudinalKpBP = [0., 5., 35.] ret.longitudinalKpV = [1.2, 0.8, 0.5] ret.longitudinalKiBP = [0., 35.] ret.longitudinalKiV = [0.18, 0.12] #tire_stiffness_factor = 0.444 # not optimized yet tire_stiffness_factor = 0.82 # trying same as odyssey #ret.steerKpV, ret.steerKiV = [[0.38], [0.11]] #original model: OS 30%, risetime: 1.75s, Max Output 0.8 of 1 #ret.steerKpV, ret.steerKiV = [[0.38], [0.23]] #model: OS 10%,risetime 2.75s - RESULT: Better than default stock values. #ret.steerKpV, ret.steerKiV = [[0.38], [0.3]] #model: OS 5%, risetime 3.5s - NOT TESTED #ret.steerKpV, ret.steerKiV = [[0.38], [0.25]] #model: OS 7%, risetime 3s - NOT TESTED #ret.steerKpV, ret.steerKiV = [[0.38], [0.35]] #model: OS 2%, risetime 4s - NOT TESTED ret.steerKpV, ret.steerKiV = [[0.5], [0.22]] #tweaking optimal result - RESULT: Seems to fix slow / fast lane hug! #ret.steerKpV, ret.steerKiV = [[0.5], [0.23]] #model: OS 8%, risetime 2.75s - RESULT: Great centering on fast turns. Fixes fast lane but slow lane still hugs. #ret.steerKpV, ret.steerKiV = [[0.5], [0.24]] #tweaking optimal result - RESULT: Does not fix slow lane hug #ret.steerKpV, ret.steerKiV = [[0.5], [0.3]] #model: OS 3%, risetime 3.5s - NOT TESTED #ret.steerKpV, ret.steerKiV = [[0.8], [0.23]] #model: OS 5%, risetime 3s - NOT TESTED #ret.steerKpV, ret.steerKiV = [[0.8], [0.3]] #model: OS 2%, risetime 3.8s - RESULT: Fast lane left hugging recurrence. Wheel jiggles after fast turn. #ret.steerKpV, ret.steerKiV = [[1], [0.14]] #model: OS 18%,risetime 2s - NOT TESTED - CAUTION Large kP #ret.steerKpV, ret.steerKiV = [[1.5], [0.2]] #model: OS 5%, risetime 2.3s - NOT TESTED - CAUTION Large kP #ret.steerKpV, ret.steerKiV = [[2], [0.24]] #model: OS 0%, risetime 3s - NOT TESTED - CAUTION Large kP #ret.steerKpV, ret.steerKiV = [[2], [0.21]] #model: OS 3%, risetime 2.3s - NOT TESTED - CAUTION Large kP #ret.steerKf = 0.00009 # - NOT TESTED #ret.steerKf = 0.00012 # - NOT TESTED - RESULT: 0.5,0.23 makes fast lane hug left side #ret.steerKf = 0.00015 # - NOT TESTED #ret.steerKf = 0.00018 # - NOT TESTED #ret.steerKf = 0.00021 # - NOT TESTED #ret.steerKf = 0.00024 # - NOT TESTED #ret.steerKf = 0.00027 # - NOT TESTED #ret.steerKf = 0.00030 # - NOT TESTED 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 = 0.5 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 + angleSteersoffset 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 # 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 ret.gasbuttonstatus = self.CS.gasMode # events # TODO: event names aren't checked at compile time. # Maybe there is a way to use capnp enums directly 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 ret.cruiseState.enabled and not self.cruise_enabled_prev: disengage_event = True else: disengage_event = False 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 and disengage_event: events.append(create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE])) if ret.seatbeltUnlatched and disengage_event: 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])) 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 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 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, 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