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320 lines
12 KiB
320 lines
12 KiB
2 weeks ago
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import copy
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import re
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from dataclasses import dataclass, field, replace
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from enum import Enum, IntFlag
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from opendbc.car import Bus, CarSpecs, DbcDict, PlatformConfig, Platforms, uds
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from opendbc.car.lateral import AngleSteeringLimits
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from opendbc.car.structs import CarParams
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from opendbc.car.docs_definitions import CarFootnote, CarHarness, CarDocs, CarParts, Column, \
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Device
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from opendbc.car.fw_query_definitions import FwQueryConfig, LiveFwVersions, OfflineFwVersions, Request, StdQueries, p16
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Ecu = CarParams.Ecu
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class CarControllerParams:
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STEER_STEP = 5 # LateralMotionControl, 20Hz
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LKA_STEP = 3 # Lane_Assist_Data1, 33Hz
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ACC_CONTROL_STEP = 2 # ACCDATA, 50Hz
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LKAS_UI_STEP = 100 # IPMA_Data, 1Hz
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ACC_UI_STEP = 20 # ACCDATA_3, 5Hz
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BUTTONS_STEP = 5 # Steering_Data_FD1, 10Hz, but send twice as fast
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STEER_DRIVER_ALLOWANCE = 1.0 # Driver intervention threshold, Nm
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ANGLE_LIMITS: AngleSteeringLimits = AngleSteeringLimits(
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0.02, # Max curvature for steering command, m^-1
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# Curvature rate limits
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# Max curvature is limited by the EPS to an equivalent of ~2.0 m/s^2 at all speeds,
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# however max curvature rate linearly decreases as speed increases:
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# ~0.009 m^-1/sec at 7 m/s, ~0.002 m^-1/sec at 35 m/s
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# Limit to ~2 m/s^3 up, ~3.3 m/s^3 down at 75 mph and match EPS limit at low speed
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([5, 25], [0.00045, 0.0001]),
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([5, 25], [0.00045, 0.00015])
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)
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CURVATURE_ERROR = 0.002 # ~6 degrees at 10 m/s, ~10 degrees at 35 m/s
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ACCEL_MAX = 2.0 # m/s^2 max acceleration
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ACCEL_MIN = -3.5 # m/s^2 max deceleration
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MIN_GAS = -0.5
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INACTIVE_GAS = -5.0
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def __init__(self, CP):
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pass
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class FordSafetyFlags(IntFlag):
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LONG_CONTROL = 1
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CANFD = 2
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class FordFlags(IntFlag):
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# Static flags
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CANFD = 1
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class RADAR:
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DELPHI_ESR = 'ford_fusion_2018_adas'
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DELPHI_MRR = 'FORD_CADS'
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class Footnote(Enum):
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FOCUS = CarFootnote(
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"Refers only to the Focus Mk4 (C519) available in Europe/China/Taiwan/Australasia, not the Focus Mk3 (C346) in " +
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"North and South America/Southeast Asia.",
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Column.MODEL,
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)
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@dataclass
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class FordCarDocs(CarDocs):
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package: str = "Co-Pilot360 Assist+"
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hybrid: bool = False
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plug_in_hybrid: bool = False
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def init_make(self, CP: CarParams):
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harness = CarHarness.ford_q4 if CP.flags & FordFlags.CANFD else CarHarness.ford_q3
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if CP.carFingerprint in (CAR.FORD_BRONCO_SPORT_MK1, CAR.FORD_MAVERICK_MK1, CAR.FORD_F_150_MK14, CAR.FORD_F_150_LIGHTNING_MK1):
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self.car_parts = CarParts([Device.threex_angled_mount, harness])
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else:
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self.car_parts = CarParts([Device.threex, harness])
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if harness == CarHarness.ford_q4:
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self.setup_video = "https://www.youtube.com/watch?v=uUGkH6C_EQU"
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if CP.carFingerprint in (CAR.FORD_F_150_MK14, CAR.FORD_F_150_LIGHTNING_MK1, CAR.FORD_EXPEDITION_MK4):
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self.setup_video = "https://www.youtube.com/watch?v=MewJc9LYp9M"
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@dataclass
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class FordPlatformConfig(PlatformConfig):
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dbc_dict: DbcDict = field(default_factory=lambda: {
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Bus.pt: 'ford_lincoln_base_pt',
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Bus.radar: RADAR.DELPHI_MRR,
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})
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def init(self):
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for car_docs in list(self.car_docs):
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if car_docs.hybrid:
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name = f"{car_docs.make} {car_docs.model} Hybrid {car_docs.years}"
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self.car_docs.append(replace(copy.deepcopy(car_docs), name=name))
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if car_docs.plug_in_hybrid:
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name = f"{car_docs.make} {car_docs.model} Plug-in Hybrid {car_docs.years}"
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self.car_docs.append(replace(copy.deepcopy(car_docs), name=name))
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@dataclass
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class FordCANFDPlatformConfig(FordPlatformConfig):
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dbc_dict: DbcDict = field(default_factory=lambda: {
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Bus.pt: 'ford_lincoln_base_pt',
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})
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def init(self):
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super().init()
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self.flags |= FordFlags.CANFD
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@dataclass
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class FordF150LightningPlatform(FordCANFDPlatformConfig):
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def init(self):
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super().init()
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# Don't show in docs until this issue is resolved. See https://github.com/commaai/openpilot/issues/30302
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self.car_docs = []
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class CAR(Platforms):
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FORD_BRONCO_SPORT_MK1 = FordPlatformConfig(
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[FordCarDocs("Ford Bronco Sport 2021-24")],
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CarSpecs(mass=1625, wheelbase=2.67, steerRatio=17.7),
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)
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FORD_ESCAPE_MK4 = FordPlatformConfig(
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[
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FordCarDocs("Ford Escape 2020-22", hybrid=True, plug_in_hybrid=True),
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FordCarDocs("Ford Kuga 2020-23", "Adaptive Cruise Control with Lane Centering", hybrid=True, plug_in_hybrid=True),
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],
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CarSpecs(mass=1750, wheelbase=2.71, steerRatio=16.7),
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)
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FORD_ESCAPE_MK4_5 = FordCANFDPlatformConfig(
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[
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FordCarDocs("Ford Escape 2023-24", hybrid=True, plug_in_hybrid=True, setup_video="https://www.youtube.com/watch?v=M6uXf4b2SHM"),
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FordCarDocs("Ford Kuga Hybrid 2024", "All"),
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FordCarDocs("Ford Kuga Plug-in Hybrid 2024", "All"),
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],
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CarSpecs(mass=1750, wheelbase=2.71, steerRatio=16.7),
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)
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FORD_EXPLORER_MK6 = FordPlatformConfig(
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[
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FordCarDocs("Ford Explorer 2020-24", hybrid=True), # Hybrid: Limited and Platinum only
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FordCarDocs("Lincoln Aviator 2020-24", "Co-Pilot360 Plus", plug_in_hybrid=True), # Hybrid: Grand Touring only
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],
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CarSpecs(mass=2050, wheelbase=3.025, steerRatio=16.8),
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)
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FORD_EXPEDITION_MK4 = FordCANFDPlatformConfig(
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[FordCarDocs("Ford Expedition 2022-24", "Co-Pilot360 Assist 2.0", hybrid=False)],
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CarSpecs(mass=2000, wheelbase=3.69, steerRatio=17.0),
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)
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FORD_F_150_MK14 = FordCANFDPlatformConfig(
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[FordCarDocs("Ford F-150 2021-23", "Co-Pilot360 Assist 2.0", hybrid=True)],
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CarSpecs(mass=2000, wheelbase=3.69, steerRatio=17.0),
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)
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FORD_F_150_LIGHTNING_MK1 = FordF150LightningPlatform(
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[FordCarDocs("Ford F-150 Lightning 2022-23", "Co-Pilot360 Assist 2.0")],
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CarSpecs(mass=2948, wheelbase=3.70, steerRatio=16.9),
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)
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FORD_FOCUS_MK4 = FordPlatformConfig(
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[FordCarDocs("Ford Focus 2018", "Adaptive Cruise Control with Lane Centering", footnotes=[Footnote.FOCUS], hybrid=True)], # mHEV only
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CarSpecs(mass=1350, wheelbase=2.7, steerRatio=15.0),
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)
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FORD_MAVERICK_MK1 = FordPlatformConfig(
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[
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FordCarDocs("Ford Maverick 2022", "LARIAT Luxury", hybrid=True),
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FordCarDocs("Ford Maverick 2023-24", "Co-Pilot360 Assist", hybrid=True),
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],
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CarSpecs(mass=1650, wheelbase=3.076, steerRatio=17.0),
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)
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FORD_MUSTANG_MACH_E_MK1 = FordCANFDPlatformConfig(
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[FordCarDocs("Ford Mustang Mach-E 2021-24", "All", setup_video="https://www.youtube.com/watch?v=AR4_eTF3b_A")],
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CarSpecs(mass=2200, wheelbase=2.984, steerRatio=17.0), # TODO: check steer ratio
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)
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FORD_RANGER_MK2 = FordCANFDPlatformConfig(
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[FordCarDocs("Ford Ranger 2024", "Adaptive Cruise Control with Lane Centering", setup_video="https://www.youtube.com/watch?v=2oJlXCKYOy0")],
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CarSpecs(mass=2000, wheelbase=3.27, steerRatio=17.0),
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)
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# FW response contains a combined software and part number
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# A-Z except no I, O or W
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# e.g. NZ6A-14C204-AAA
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# 1222-333333-444
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# 1 = Model year hint (approximates model year/generation)
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# 2 = Platform hint
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# 3 = Part number
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# 4 = Software version
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FW_ALPHABET = b'A-HJ-NP-VX-Z'
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FW_PATTERN = re.compile(b'^(?P<model_year_hint>[' + FW_ALPHABET + b'])' +
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b'(?P<platform_hint>[0-9' + FW_ALPHABET + b']{3})-' +
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b'(?P<part_number>[0-9' + FW_ALPHABET + b']{5,6})-' +
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b'(?P<software_revision>[' + FW_ALPHABET + b']{2,})\x00*$')
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def get_platform_codes(fw_versions: list[bytes] | set[bytes]) -> set[tuple[bytes, bytes]]:
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codes = set()
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for fw in fw_versions:
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match = FW_PATTERN.match(fw)
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if match is not None:
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codes.add((match.group('platform_hint'), match.group('model_year_hint')))
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return codes
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def match_fw_to_car_fuzzy(live_fw_versions: LiveFwVersions, vin: str, offline_fw_versions: OfflineFwVersions) -> set[str]:
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candidates: set[str] = set()
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for candidate, fws in offline_fw_versions.items():
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# Keep track of ECUs which pass all checks (platform hint, within model year hint range)
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valid_found_ecus = set()
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valid_expected_ecus = {ecu[1:] for ecu in fws if ecu[0] in PLATFORM_CODE_ECUS}
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for ecu, expected_versions in fws.items():
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addr = ecu[1:]
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# Only check ECUs expected to have platform codes
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if ecu[0] not in PLATFORM_CODE_ECUS:
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continue
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# Expected platform codes & model year hints
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codes = get_platform_codes(expected_versions)
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expected_platform_codes = {code for code, _ in codes}
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expected_model_year_hints = {model_year_hint for _, model_year_hint in codes}
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# Found platform codes & model year hints
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codes = get_platform_codes(live_fw_versions.get(addr, set()))
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found_platform_codes = {code for code, _ in codes}
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found_model_year_hints = {model_year_hint for _, model_year_hint in codes}
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# Check platform code matches for any found versions
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if not any(found_platform_code in expected_platform_codes for found_platform_code in found_platform_codes):
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break
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# Check any model year hint within range in the database. Note that some models have more than one
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# platform code per ECU which we don't consider as separate ranges
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if not any(min(expected_model_year_hints) <= found_model_year_hint <= max(expected_model_year_hints) for
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found_model_year_hint in found_model_year_hints):
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break
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valid_found_ecus.add(addr)
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# If all live ECUs pass all checks for candidate, add it as a match
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if valid_expected_ecus.issubset(valid_found_ecus):
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candidates.add(candidate)
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return candidates
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# All of these ECUs must be present and are expected to have platform codes we can match
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PLATFORM_CODE_ECUS = (Ecu.abs, Ecu.fwdCamera, Ecu.fwdRadar, Ecu.eps)
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DATA_IDENTIFIER_FORD_ASBUILT = 0xDE00
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ASBUILT_BLOCKS: list[tuple[int, list]] = [
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(1, [Ecu.debug, Ecu.fwdCamera, Ecu.eps]),
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(2, [Ecu.abs, Ecu.debug, Ecu.eps]),
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(3, [Ecu.abs, Ecu.debug, Ecu.eps]),
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(4, [Ecu.debug, Ecu.fwdCamera]),
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(5, [Ecu.debug]),
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(6, [Ecu.debug]),
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(7, [Ecu.debug]),
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(8, [Ecu.debug]),
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(9, [Ecu.debug]),
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(16, [Ecu.debug, Ecu.fwdCamera]),
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(18, [Ecu.fwdCamera]),
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(20, [Ecu.fwdCamera]),
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(21, [Ecu.fwdCamera]),
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]
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def ford_asbuilt_block_request(block_id: int):
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return bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + p16(DATA_IDENTIFIER_FORD_ASBUILT + block_id - 1)
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def ford_asbuilt_block_response(block_id: int):
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return bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + p16(DATA_IDENTIFIER_FORD_ASBUILT + block_id - 1)
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FW_QUERY_CONFIG = FwQueryConfig(
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requests=[
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# CAN and CAN FD queries are combined.
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# FIXME: For CAN FD, ECUs respond with frames larger than 8 bytes on the powertrain bus
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Request(
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[StdQueries.TESTER_PRESENT_REQUEST, StdQueries.MANUFACTURER_SOFTWARE_VERSION_REQUEST],
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[StdQueries.TESTER_PRESENT_RESPONSE, StdQueries.MANUFACTURER_SOFTWARE_VERSION_RESPONSE],
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whitelist_ecus=[Ecu.abs, Ecu.debug, Ecu.engine, Ecu.eps, Ecu.fwdCamera, Ecu.fwdRadar, Ecu.shiftByWire],
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logging=True,
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),
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Request(
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[StdQueries.TESTER_PRESENT_REQUEST, StdQueries.MANUFACTURER_SOFTWARE_VERSION_REQUEST],
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[StdQueries.TESTER_PRESENT_RESPONSE, StdQueries.MANUFACTURER_SOFTWARE_VERSION_RESPONSE],
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whitelist_ecus=[Ecu.abs, Ecu.debug, Ecu.engine, Ecu.eps, Ecu.fwdCamera, Ecu.fwdRadar, Ecu.shiftByWire],
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bus=0,
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auxiliary=True,
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),
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*[Request(
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[StdQueries.TESTER_PRESENT_REQUEST, ford_asbuilt_block_request(block_id)],
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[StdQueries.TESTER_PRESENT_RESPONSE, ford_asbuilt_block_response(block_id)],
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whitelist_ecus=ecus,
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bus=0,
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logging=True,
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) for block_id, ecus in ASBUILT_BLOCKS],
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],
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extra_ecus=[
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(Ecu.engine, 0x7e0, None), # Powertrain Control Module
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||
|
|
# Note: We are unlikely to get a response from behind the gateway
|
||
|
|
(Ecu.shiftByWire, 0x732, None), # Gear Shift Module
|
||
|
|
(Ecu.debug, 0x7d0, None), # Accessory Protocol Interface Module
|
||
|
|
],
|
||
|
|
# Custom fuzzy fingerprinting function using platform and model year hints
|
||
|
|
match_fw_to_car_fuzzy=match_fw_to_car_fuzzy,
|
||
|
|
)
|
||
|
|
|
||
|
|
DBC = CAR.create_dbc_map()
|