from cereal import car
from openpilot.common.conversions import Conversions as CV
from opendbc.can.parser import CANParser
from opendbc.can.can_define import CANDefine
from openpilot.selfdrive.car.interfaces import CarStateBase
from openpilot.selfdrive.car.chrysler.values import DBC, STEER_THRESHOLD, RAM_CARS
[docs]
class CarState(CarStateBase):
def __init__(self, CP):
super().__init__(CP)
self.CP = CP
can_define = CANDefine(DBC[CP.carFingerprint]["pt"])
self.auto_high_beam = 0
self.button_counter = 0
self.lkas_car_model = -1
if CP.carFingerprint in RAM_CARS:
self.shifter_values = can_define.dv["Transmission_Status"]["Gear_State"]
else:
self.shifter_values = can_define.dv["GEAR"]["PRNDL"]
self.prev_distance_button = 0
self.distance_button = 0
[docs]
def update(self, cp, cp_cam):
ret = car.CarState.new_message()
self.prev_distance_button = self.distance_button
self.distance_button = cp.vl["CRUISE_BUTTONS"]["ACC_Distance_Dec"]
# lock info
ret.doorOpen = any([cp.vl["BCM_1"]["DOOR_OPEN_FL"],
cp.vl["BCM_1"]["DOOR_OPEN_FR"],
cp.vl["BCM_1"]["DOOR_OPEN_RL"],
cp.vl["BCM_1"]["DOOR_OPEN_RR"]])
ret.seatbeltUnlatched = cp.vl["ORC_1"]["SEATBELT_DRIVER_UNLATCHED"] == 1
# brake pedal
ret.brake = 0
ret.brakePressed = cp.vl["ESP_1"]['Brake_Pedal_State'] == 1 # Physical brake pedal switch
# gas pedal
ret.gas = cp.vl["ECM_5"]["Accelerator_Position"]
ret.gasPressed = ret.gas > 1e-5
# car speed
if self.CP.carFingerprint in RAM_CARS:
ret.vEgoRaw = cp.vl["ESP_8"]["Vehicle_Speed"] * CV.KPH_TO_MS
ret.gearShifter = self.parse_gear_shifter(self.shifter_values.get(cp.vl["Transmission_Status"]["Gear_State"], None))
else:
ret.vEgoRaw = (cp.vl["SPEED_1"]["SPEED_LEFT"] + cp.vl["SPEED_1"]["SPEED_RIGHT"]) / 2.
ret.gearShifter = self.parse_gear_shifter(self.shifter_values.get(cp.vl["GEAR"]["PRNDL"], None))
ret.vEgo, ret.aEgo = self.update_speed_kf(ret.vEgoRaw)
ret.standstill = not ret.vEgoRaw > 0.001
ret.wheelSpeeds = self.get_wheel_speeds(
cp.vl["ESP_6"]["WHEEL_SPEED_FL"],
cp.vl["ESP_6"]["WHEEL_SPEED_FR"],
cp.vl["ESP_6"]["WHEEL_SPEED_RL"],
cp.vl["ESP_6"]["WHEEL_SPEED_RR"],
unit=1,
)
# button presses
ret.leftBlinker, ret.rightBlinker = self.update_blinker_from_stalk(200, cp.vl["STEERING_LEVERS"]["TURN_SIGNALS"] == 1,
cp.vl["STEERING_LEVERS"]["TURN_SIGNALS"] == 2)
ret.genericToggle = cp.vl["STEERING_LEVERS"]["HIGH_BEAM_PRESSED"] == 1
# steering wheel
ret.steeringAngleDeg = cp.vl["STEERING"]["STEERING_ANGLE"] + cp.vl["STEERING"]["STEERING_ANGLE_HP"]
ret.steeringRateDeg = cp.vl["STEERING"]["STEERING_RATE"]
ret.steeringTorque = cp.vl["EPS_2"]["COLUMN_TORQUE"]
ret.steeringTorqueEps = cp.vl["EPS_2"]["EPS_TORQUE_MOTOR"]
ret.steeringPressed = abs(ret.steeringTorque) > STEER_THRESHOLD
# cruise state
cp_cruise = cp_cam if self.CP.carFingerprint in RAM_CARS else cp
ret.cruiseState.available = cp_cruise.vl["DAS_3"]["ACC_AVAILABLE"] == 1
ret.cruiseState.enabled = cp_cruise.vl["DAS_3"]["ACC_ACTIVE"] == 1
ret.cruiseState.speed = cp_cruise.vl["DAS_4"]["ACC_SET_SPEED_KPH"] * CV.KPH_TO_MS
ret.cruiseState.nonAdaptive = cp_cruise.vl["DAS_4"]["ACC_STATE"] in (1, 2) # 1 NormalCCOn and 2 NormalCCSet
ret.cruiseState.standstill = cp_cruise.vl["DAS_3"]["ACC_STANDSTILL"] == 1
ret.accFaulted = cp_cruise.vl["DAS_3"]["ACC_FAULTED"] != 0
if self.CP.carFingerprint in RAM_CARS:
# Auto High Beam isn't Located in this message on chrysler or jeep currently located in 729 message
self.auto_high_beam = cp_cam.vl["DAS_6"]['AUTO_HIGH_BEAM_ON']
ret.steerFaultTemporary = cp.vl["EPS_3"]["DASM_FAULT"] == 1
else:
ret.steerFaultTemporary = cp.vl["EPS_2"]["LKAS_TEMPORARY_FAULT"] == 1
ret.steerFaultPermanent = cp.vl["EPS_2"]["LKAS_STATE"] == 4
# blindspot sensors
if self.CP.enableBsm:
ret.leftBlindspot = cp.vl["BSM_1"]["LEFT_STATUS"] == 1
ret.rightBlindspot = cp.vl["BSM_1"]["RIGHT_STATUS"] == 1
self.lkas_car_model = cp_cam.vl["DAS_6"]["CAR_MODEL"]
self.button_counter = cp.vl["CRUISE_BUTTONS"]["COUNTER"]
return ret
[docs]
@staticmethod
def get_cruise_messages():
messages = [
("DAS_3", 50),
("DAS_4", 50),
]
return messages
[docs]
@staticmethod
def get_can_parser(CP):
messages = [
# sig_address, frequency
("ESP_1", 50),
("EPS_2", 100),
("ESP_6", 50),
("STEERING", 100),
("ECM_5", 50),
("CRUISE_BUTTONS", 50),
("STEERING_LEVERS", 10),
("ORC_1", 2),
("BCM_1", 1),
]
if CP.enableBsm:
messages.append(("BSM_1", 2))
if CP.carFingerprint in RAM_CARS:
messages += [
("ESP_8", 50),
("EPS_3", 50),
("Transmission_Status", 50),
]
else:
messages += [
("GEAR", 50),
("SPEED_1", 100),
]
messages += CarState.get_cruise_messages()
return CANParser(DBC[CP.carFingerprint]["pt"], messages, 0)
[docs]
@staticmethod
def get_cam_can_parser(CP):
messages = [
("DAS_6", 4),
]
if CP.carFingerprint in RAM_CARS:
messages += CarState.get_cruise_messages()
return CANParser(DBC[CP.carFingerprint]["pt"], messages, 2)