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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from dataclasses import dataclass, field
from enum import Enum, IntFlag
from opendbc.car import Bus, CarSpecs, DbcDict, PlatformConfig, Platforms, AngleSteeringLimits
from opendbc.car.structs import CarParams, CarState
from opendbc.car.docs_definitions import CarDocs, CarFootnote, CarHarness, CarParts, Column
from opendbc.car.fw_query_definitions import FwQueryConfig, Request, StdQueries
Ecu = CarParams.Ecu
class Footnote(Enum):
HW_TYPE = CarFootnote(
"Some 2023 model years have HW4. To check which hardware type your vehicle has, look for " +
"<b>Autopilot computer</b> under <b>Software -> Additional Vehicle Information</b> on your vehicle's touchscreen. </br></br>" +
"See <a href=\"https://www.notateslaapp.com/news/2173/how-to-check-if-your-tesla-has-hardware-4-ai4-or-hardware-3\">this page</a> for more information.",
Column.MODEL)
SETUP = CarFootnote(
"See more setup details for <a href=\"https://github.com/commaai/openpilot/wiki/tesla\" target=\"_blank\">Tesla</a>.",
Column.MAKE, setup_note=True)
@dataclass
class TeslaCarDocsHW3(CarDocs):
package: str = "All"
car_parts: CarParts = field(default_factory=CarParts.common([CarHarness.tesla_a]))
footnotes: list[Enum] = field(default_factory=lambda: [Footnote.HW_TYPE, Footnote.SETUP])
@dataclass
class TeslaCarDocsHW4(CarDocs):
package: str = "All"
car_parts: CarParts = field(default_factory=CarParts.common([CarHarness.tesla_b]))
footnotes: list[Enum] = field(default_factory=lambda: [Footnote.HW_TYPE, Footnote.SETUP])
@dataclass
class TeslaPlatformConfig(PlatformConfig):
dbc_dict: DbcDict = field(default_factory=lambda: {Bus.party: 'tesla_model3_party'})
class CAR(Platforms):
TESLA_MODEL_3 = TeslaPlatformConfig(
[
# TODO: do we support 2017? It's HW3
TeslaCarDocsHW3("Tesla Model 3 (with HW3) 2019-23"),
TeslaCarDocsHW4("Tesla Model 3 (with HW4) 2024-25"),
],
CarSpecs(mass=1899., wheelbase=2.875, steerRatio=12.0),
)
TESLA_MODEL_Y = TeslaPlatformConfig(
[
TeslaCarDocsHW3("Tesla Model Y (with HW3) 2020-23"),
TeslaCarDocsHW4("Tesla Model Y (with HW4) 2024"),
],
CarSpecs(mass=2072., wheelbase=2.890, steerRatio=12.0),
)
FW_QUERY_CONFIG = FwQueryConfig(
requests=[
Request(
[StdQueries.TESTER_PRESENT_REQUEST, StdQueries.SUPPLIER_SOFTWARE_VERSION_REQUEST],
[StdQueries.TESTER_PRESENT_RESPONSE, StdQueries.SUPPLIER_SOFTWARE_VERSION_RESPONSE],
bus=0,
)
]
)
class CANBUS:
party = 0
vehicle = 1
autopilot_party = 2
GEAR_MAP = {
"DI_GEAR_INVALID": CarState.GearShifter.unknown,
"DI_GEAR_P": CarState.GearShifter.park,
"DI_GEAR_R": CarState.GearShifter.reverse,
"DI_GEAR_N": CarState.GearShifter.neutral,
"DI_GEAR_D": CarState.GearShifter.drive,
"DI_GEAR_SNA": CarState.GearShifter.unknown,
}
class CarControllerParams:
ANGLE_LIMITS: AngleSteeringLimits = AngleSteeringLimits(
# EPAS faults above this angle
360, # deg
# Angle rate limits are set using the Tesla Model Y VehicleModel such that they maximally meet ISO 11270
# At 5 m/s, FSD has been seen hitting up to ~4 deg/frame with ~5 deg/frame at very low creeping speeds
# At 30 m/s, FSD has been seen hitting mostly 0.1 deg/frame, sometimes 0.2 deg/frame, and rarely 0.3 deg/frame
([0., 5., 25.], [2.5, 1.5, 0.2]),
([0., 5., 25.], [5., 2.0, 0.3]),
)
STEER_STEP = 2 # Angle command is sent at 50 Hz
ACCEL_MAX = 2.0 # m/s^2
ACCEL_MIN = -3.48 # m/s^2
JERK_LIMIT_MAX = 4.9 # m/s^3, ACC faults at 5.0
JERK_LIMIT_MIN = -4.9 # m/s^3, ACC faults at 5.0
class TeslaSafetyFlags(IntFlag):
LONG_CONTROL = 1
class TeslaFlags(IntFlag):
LONG_CONTROL = 1
DBC = CAR.create_dbc_map()
STEER_THRESHOLD = 0.5