openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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import copy
from collections import deque
from cereal import car
from opendbc.can.can_define import CANDefine
from selfdrive.car.interfaces import CarStateBase
from selfdrive.config import Conversions as CV
from opendbc.can.parser import CANParser
from selfdrive.car.nissan.values import CAR, DBC, CarControllerParams
TORQUE_SAMPLES = 12
class CarState(CarStateBase):
def __init__(self, CP):
super().__init__(CP)
can_define = CANDefine(DBC[CP.carFingerprint]['pt'])
self.steeringTorqueSamples = deque(TORQUE_SAMPLES*[0], TORQUE_SAMPLES)
self.shifter_values = can_define.dv["GEARBOX"]["GEAR_SHIFTER"]
def update(self, cp, cp_adas, cp_cam):
ret = car.CarState.new_message()
if self.CP.carFingerprint in [CAR.ROGUE, CAR.XTRAIL]:
ret.gas = cp.vl["GAS_PEDAL"]["GAS_PEDAL"]
elif self.CP.carFingerprint in [CAR.LEAF, CAR.LEAF_IC]:
ret.gas = cp.vl["CRUISE_THROTTLE"]["GAS_PEDAL"]
ret.gasPressed = bool(ret.gas > 3)
if self.CP.carFingerprint in [CAR.ROGUE, CAR.XTRAIL]:
ret.brakePressed = bool(cp.vl["DOORS_LIGHTS"]["USER_BRAKE_PRESSED"])
elif self.CP.carFingerprint in [CAR.LEAF, CAR.LEAF_IC]:
ret.brakePressed = bool(cp.vl["BRAKE_PEDAL"]["BRAKE_PEDAL"] > 3)
if self.CP.carFingerprint in [CAR.ROGUE, CAR.XTRAIL]:
ret.brakeLights = bool(cp.vl["DOORS_LIGHTS"]["BRAKE_LIGHT"])
ret.wheelSpeeds.fl = cp.vl["WHEEL_SPEEDS_FRONT"]["WHEEL_SPEED_FL"] * CV.KPH_TO_MS
ret.wheelSpeeds.fr = cp.vl["WHEEL_SPEEDS_FRONT"]["WHEEL_SPEED_FR"] * CV.KPH_TO_MS
ret.wheelSpeeds.rl = cp.vl["WHEEL_SPEEDS_REAR"]["WHEEL_SPEED_RL"] * CV.KPH_TO_MS
ret.wheelSpeeds.rr = cp.vl["WHEEL_SPEEDS_REAR"]["WHEEL_SPEED_RR"] * CV.KPH_TO_MS
ret.vEgoRaw = (ret.wheelSpeeds.fl + ret.wheelSpeeds.fr + ret.wheelSpeeds.rl + ret.wheelSpeeds.rr) / 4.
ret.vEgo, ret.aEgo = self.update_speed_kf(ret.vEgoRaw)
ret.standstill = ret.vEgoRaw < 0.01
ret.cruiseState.enabled = bool(cp_adas.vl["CRUISE_STATE"]["CRUISE_ENABLED"])
if self.CP.carFingerprint in [CAR.ROGUE, CAR.XTRAIL]:
ret.seatbeltUnlatched = cp.vl["HUD"]["SEATBELT_DRIVER_LATCHED"] == 0
ret.cruiseState.available = bool(cp_cam.vl["PRO_PILOT"]["CRUISE_ON"])
elif self.CP.carFingerprint in [CAR.LEAF, CAR.LEAF_IC]:
if self.CP.carFingerprint == CAR.LEAF:
ret.seatbeltUnlatched = cp.vl["SEATBELT"]["SEATBELT_DRIVER_LATCHED"] == 0
elif self.CP.carFingerprint == CAR.LEAF_IC:
ret.seatbeltUnlatched = cp.vl["CANCEL_MSG"]["CANCEL_SEATBELT"] == 1
ret.cruiseState.available = bool(cp.vl["CRUISE_THROTTLE"]["CRUISE_AVAILABLE"])
speed = cp_adas.vl["PROPILOT_HUD"]["SET_SPEED"]
if speed != 255:
if self.CP.carFingerprint in [CAR.LEAF, CAR.LEAF_IC]:
conversion = CV.MPH_TO_MS if cp.vl["HUD_SETTINGS"]["SPEED_MPH"] else CV.KPH_TO_MS
else:
conversion = CV.MPH_TO_MS if cp.vl["HUD"]["SPEED_MPH"] else CV.KPH_TO_MS
speed -= 1 # Speed on HUD is always 1 lower than actually sent on can bus
ret.cruiseState.speed = speed * conversion
ret.steeringTorque = cp.vl["STEER_TORQUE_SENSOR"]["STEER_TORQUE_DRIVER"]
self.steeringTorqueSamples.append(ret.steeringTorque)
# Filtering driver torque to prevent steeringPressed false positives
ret.steeringPressed = bool(abs(sum(self.steeringTorqueSamples) / TORQUE_SAMPLES) > CarControllerParams.STEER_THRESHOLD)
ret.steeringAngleDeg = cp.vl["STEER_ANGLE_SENSOR"]["STEER_ANGLE"]
ret.leftBlinker = bool(cp.vl["LIGHTS"]["LEFT_BLINKER"])
ret.rightBlinker = bool(cp.vl["LIGHTS"]["RIGHT_BLINKER"])
ret.doorOpen = any([cp.vl["DOORS_LIGHTS"]["DOOR_OPEN_RR"],
cp.vl["DOORS_LIGHTS"]["DOOR_OPEN_RL"],
cp.vl["DOORS_LIGHTS"]["DOOR_OPEN_FR"],
cp.vl["DOORS_LIGHTS"]["DOOR_OPEN_FL"]])
ret.espDisabled = bool(cp.vl["ESP"]["ESP_DISABLED"])
can_gear = int(cp.vl["GEARBOX"]["GEAR_SHIFTER"])
ret.gearShifter = self.parse_gear_shifter(self.shifter_values.get(can_gear, None))
self.lkas_enabled = bool(cp_adas.vl["LKAS_SETTINGS"]["LKAS_ENABLED"])
self.cruise_throttle_msg = copy.copy(cp.vl["CRUISE_THROTTLE"])
if self.CP.carFingerprint in [CAR.LEAF, CAR.LEAF_IC]:
self.cancel_msg = copy.copy(cp.vl["CANCEL_MSG"])
self.lkas_hud_msg = copy.copy(cp_adas.vl["PROPILOT_HUD"])
self.lkas_hud_info_msg = copy.copy(cp_adas.vl["PROPILOT_HUD_INFO_MSG"])
return ret
@staticmethod
def get_can_parser(CP):
# this function generates lists for signal, messages and initial values
signals = [
# sig_name, sig_address, default
("WHEEL_SPEED_FL", "WHEEL_SPEEDS_FRONT", 0),
("WHEEL_SPEED_FR", "WHEEL_SPEEDS_FRONT", 0),
("WHEEL_SPEED_RL", "WHEEL_SPEEDS_REAR", 0),
("WHEEL_SPEED_RR", "WHEEL_SPEEDS_REAR", 0),
("STEER_TORQUE_DRIVER", "STEER_TORQUE_SENSOR", 0),
("STEER_ANGLE", "STEER_ANGLE_SENSOR", 0),
("DOOR_OPEN_FR", "DOORS_LIGHTS", 1),
("DOOR_OPEN_FL", "DOORS_LIGHTS", 1),
("DOOR_OPEN_RR", "DOORS_LIGHTS", 1),
("DOOR_OPEN_RL", "DOORS_LIGHTS", 1),
("RIGHT_BLINKER", "LIGHTS", 0),
("LEFT_BLINKER", "LIGHTS", 0),
("ESP_DISABLED", "ESP", 0),
("GEAR_SHIFTER", "GEARBOX", 0),
]
checks = [
# sig_address, frequency
("WHEEL_SPEEDS_REAR", 50),
("WHEEL_SPEEDS_FRONT", 50),
("STEER_TORQUE_SENSOR", 100),
("STEER_ANGLE_SENSOR", 100),
("DOORS_LIGHTS", 10),
]
if CP.carFingerprint in [CAR.ROGUE, CAR.XTRAIL]:
signals += [
("USER_BRAKE_PRESSED", "DOORS_LIGHTS", 1),
("BRAKE_LIGHT", "DOORS_LIGHTS", 1),
("GAS_PEDAL", "GAS_PEDAL", 0),
("SEATBELT_DRIVER_LATCHED", "HUD", 0),
("SPEED_MPH", "HUD", 0),
("PROPILOT_BUTTON", "CRUISE_THROTTLE", 0),
("CANCEL_BUTTON", "CRUISE_THROTTLE", 0),
("GAS_PEDAL_INVERTED", "CRUISE_THROTTLE", 0),
("SET_BUTTON", "CRUISE_THROTTLE", 0),
("RES_BUTTON", "CRUISE_THROTTLE", 0),
("FOLLOW_DISTANCE_BUTTON", "CRUISE_THROTTLE", 0),
("NO_BUTTON_PRESSED", "CRUISE_THROTTLE", 0),
("GAS_PEDAL", "CRUISE_THROTTLE", 0),
("USER_BRAKE_PRESSED", "CRUISE_THROTTLE", 0),
("NEW_SIGNAL_2", "CRUISE_THROTTLE", 0),
("GAS_PRESSED_INVERTED", "CRUISE_THROTTLE", 0),
("unsure1", "CRUISE_THROTTLE", 0),
("unsure2", "CRUISE_THROTTLE", 0),
("unsure3", "CRUISE_THROTTLE", 0),
]
checks += [
("GAS_PEDAL", 50),
]
elif CP.carFingerprint in [CAR.LEAF, CAR.LEAF_IC]:
signals += [
("BRAKE_PEDAL", "BRAKE_PEDAL", 0),
("GAS_PEDAL", "CRUISE_THROTTLE", 0),
("CRUISE_AVAILABLE", "CRUISE_THROTTLE", 0),
("SPEED_MPH", "HUD_SETTINGS", 0),
("SEATBELT_DRIVER_LATCHED", "SEATBELT", 0),
# Copy other values, we use this to cancel
("CANCEL_SEATBELT", "CANCEL_MSG", 0),
("NEW_SIGNAL_1", "CANCEL_MSG", 0),
("NEW_SIGNAL_2", "CANCEL_MSG", 0),
("NEW_SIGNAL_3", "CANCEL_MSG", 0),
]
checks += [
("BRAKE_PEDAL", 100),
("CRUISE_THROTTLE", 50),
]
return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 0)
@staticmethod
def get_adas_can_parser(CP):
# this function generates lists for signal, messages and initial values
signals = [
# sig_name, sig_address, default
("LKAS_ENABLED", "LKAS_SETTINGS", 0),
("CRUISE_ENABLED", "CRUISE_STATE", 0),
("DESIRED_ANGLE", "LKAS", 0),
("SET_0x80_2", "LKAS", 0),
("MAX_TORQUE", "LKAS", 0),
("SET_0x80", "LKAS", 0),
("COUNTER", "LKAS", 0),
("LKA_ACTIVE", "LKAS", 0),
# Below are the HUD messages. We copy the stock message and modify
("LARGE_WARNING_FLASHING", "PROPILOT_HUD", 0),
("SIDE_RADAR_ERROR_FLASHING1", "PROPILOT_HUD", 0),
("SIDE_RADAR_ERROR_FLASHING2", "PROPILOT_HUD", 0),
("LEAD_CAR", "PROPILOT_HUD", 0),
("LEAD_CAR_ERROR", "PROPILOT_HUD", 0),
("FRONT_RADAR_ERROR", "PROPILOT_HUD", 0),
("FRONT_RADAR_ERROR_FLASHING", "PROPILOT_HUD", 0),
("SIDE_RADAR_ERROR_FLASHING3", "PROPILOT_HUD", 0),
("LKAS_ERROR_FLASHING", "PROPILOT_HUD", 0),
("SAFETY_SHIELD_ACTIVE", "PROPILOT_HUD", 0),
("RIGHT_LANE_GREEN_FLASH", "PROPILOT_HUD", 0),
("LEFT_LANE_GREEN_FLASH", "PROPILOT_HUD", 0),
("FOLLOW_DISTANCE", "PROPILOT_HUD", 0),
("AUDIBLE_TONE", "PROPILOT_HUD", 0),
("SPEED_SET_ICON", "PROPILOT_HUD", 0),
("SMALL_STEERING_WHEEL_ICON", "PROPILOT_HUD", 0),
("unknown59", "PROPILOT_HUD", 0),
("unknown55", "PROPILOT_HUD", 0),
("unknown26", "PROPILOT_HUD", 0),
("unknown28", "PROPILOT_HUD", 0),
("unknown31", "PROPILOT_HUD", 0),
("SET_SPEED", "PROPILOT_HUD", 0),
("unknown43", "PROPILOT_HUD", 0),
("unknown08", "PROPILOT_HUD", 0),
("unknown05", "PROPILOT_HUD", 0),
("unknown02", "PROPILOT_HUD", 0),
("NA_HIGH_ACCEL_TEMP", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_RADAR_NA_HIGH_CABIN_TEMP", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_RADAR_MALFUNCTION", "PROPILOT_HUD_INFO_MSG", 0),
("LKAS_MALFUNCTION", "PROPILOT_HUD_INFO_MSG", 0),
("FRONT_RADAR_MALFUNCTION", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_RADAR_NA_CLEAN_REAR_CAMERA", "PROPILOT_HUD_INFO_MSG", 0),
("NA_POOR_ROAD_CONDITIONS", "PROPILOT_HUD_INFO_MSG", 0),
("CURRENTLY_UNAVAILABLE", "PROPILOT_HUD_INFO_MSG", 0),
("SAFETY_SHIELD_OFF", "PROPILOT_HUD_INFO_MSG", 0),
("FRONT_COLLISION_NA_FRONT_RADAR_OBSTRUCTION", "PROPILOT_HUD_INFO_MSG", 0),
("PEDAL_MISSAPPLICATION_SYSTEM_ACTIVATED", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_IMPACT_NA_RADAR_OBSTRUCTION", "PROPILOT_HUD_INFO_MSG", 0),
("WARNING_DO_NOT_ENTER", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_IMPACT_SYSTEM_OFF", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_IMPACT_MALFUNCTION", "PROPILOT_HUD_INFO_MSG", 0),
("FRONT_COLLISION_MALFUNCTION", "PROPILOT_HUD_INFO_MSG", 0),
("SIDE_RADAR_MALFUNCTION2", "PROPILOT_HUD_INFO_MSG", 0),
("LKAS_MALFUNCTION2", "PROPILOT_HUD_INFO_MSG", 0),
("FRONT_RADAR_MALFUNCTION2", "PROPILOT_HUD_INFO_MSG", 0),
("PROPILOT_NA_MSGS", "PROPILOT_HUD_INFO_MSG", 0),
("BOTTOM_MSG", "PROPILOT_HUD_INFO_MSG", 0),
("HANDS_ON_WHEEL_WARNING", "PROPILOT_HUD_INFO_MSG", 0),
("WARNING_STEP_ON_BRAKE_NOW", "PROPILOT_HUD_INFO_MSG", 0),
("PROPILOT_NA_FRONT_CAMERA_OBSTRUCTED", "PROPILOT_HUD_INFO_MSG", 0),
("PROPILOT_NA_HIGH_CABIN_TEMP", "PROPILOT_HUD_INFO_MSG", 0),
("WARNING_PROPILOT_MALFUNCTION", "PROPILOT_HUD_INFO_MSG", 0),
("ACC_UNAVAILABLE_HIGH_CABIN_TEMP", "PROPILOT_HUD_INFO_MSG", 0),
("ACC_NA_FRONT_CAMERA_IMPARED", "PROPILOT_HUD_INFO_MSG", 0),
("unknown07", "PROPILOT_HUD_INFO_MSG", 0),
("unknown10", "PROPILOT_HUD_INFO_MSG", 0),
("unknown15", "PROPILOT_HUD_INFO_MSG", 0),
("unknown23", "PROPILOT_HUD_INFO_MSG", 0),
("unknown19", "PROPILOT_HUD_INFO_MSG", 0),
("unknown31", "PROPILOT_HUD_INFO_MSG", 0),
("unknown32", "PROPILOT_HUD_INFO_MSG", 0),
("unknown46", "PROPILOT_HUD_INFO_MSG", 0),
("unknown61", "PROPILOT_HUD_INFO_MSG", 0),
("unknown55", "PROPILOT_HUD_INFO_MSG", 0),
("unknown50", "PROPILOT_HUD_INFO_MSG", 0),
]
checks = [
("CRUISE_STATE", 50),
]
return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 2)
@staticmethod
def get_cam_can_parser(CP):
signals = []
if CP.carFingerprint in [CAR.ROGUE, CAR.XTRAIL]:
signals += [
("CRUISE_ON", "PRO_PILOT", 0),
]
checks = [
]
return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 1)