move getting platform to get_params (#31871)

* better

* string

* not here

selfdrive/car/car_helpers.py

@@ -5,7 +5,6 @@ from collections.abc import Callable
 from cereal import car
 from openpilot.common.params import Params
 from openpilot.common.basedir import BASEDIR
-from openpilot.selfdrive.car.values import PLATFORMS
 from openpilot.system.version import is_comma_remote, is_tested_branch
 from openpilot.selfdrive.car.interfaces import get_interface_attr
 from openpilot.selfdrive.car.fingerprints import eliminate_incompatible_cars, all_legacy_fingerprint_cars
@@ -192,9 +191,7 @@ def fingerprint(logcan, sendcan, num_pandas):
                  fw_count=len(car_fw), ecu_responses=list(ecu_rx_addrs), vin_rx_addr=vin_rx_addr, vin_rx_bus=vin_rx_bus,
                  fingerprints=repr(finger), fw_query_time=fw_query_time, error=True)
 
-  car_platform = PLATFORMS.get(car_fingerprint, MOCK.MOCK)
-
-  return car_platform, finger, vin, car_fw, source, exact_match
+  return car_fingerprint, finger, vin, car_fw, source, exact_match
 
 
 def get_car_interface(CP):

selfdrive/car/interfaces.py

@@ -14,7 +14,8 @@ from openpilot.common.simple_kalman import KF1D, get_kalman_gain
 from openpilot.common.numpy_fast import clip
 from openpilot.common.realtime import DT_CTRL
 from openpilot.selfdrive.car import apply_hysteresis, gen_empty_fingerprint, scale_rot_inertia, scale_tire_stiffness, STD_CARGO_KG
-from openpilot.selfdrive.car.values import Platform
+from openpilot.selfdrive.car.mock.values import CAR as MOCK
+from openpilot.selfdrive.car.values import PLATFORMS
 from openpilot.selfdrive.controls.lib.drive_helpers import V_CRUISE_MAX, get_friction
 from openpilot.selfdrive.controls.lib.events import Events
 from openpilot.selfdrive.controls.lib.vehicle_model import VehicleModel
@@ -102,24 +103,26 @@ class CarInterfaceBase(ABC):
     return ACCEL_MIN, ACCEL_MAX
 
   @classmethod
-  def get_non_essential_params(cls, candidate: Platform):
+  def get_non_essential_params(cls, candidate: str):
     """
     Parameters essential to controlling the car may be incomplete or wrong without FW versions or fingerprints.
     """
     return cls.get_params(candidate, gen_empty_fingerprint(), list(), False, False)
 
   @classmethod
-  def get_params(cls, candidate: Platform, fingerprint: dict[int, dict[int, int]], car_fw: list[car.CarParams.CarFw], experimental_long: bool, docs: bool):
+  def get_params(cls, candidate: str, fingerprint: dict[int, dict[int, int]], car_fw: list[car.CarParams.CarFw], experimental_long: bool, docs: bool):
+    platform = PLATFORMS.get(candidate, MOCK.MOCK)
+
     ret = CarInterfaceBase.get_std_params(candidate)
 
-    ret.mass = candidate.config.specs.mass
-    ret.wheelbase = candidate.config.specs.wheelbase
-    ret.steerRatio = candidate.config.specs.steerRatio
-    ret.centerToFront = ret.wheelbase * candidate.config.specs.centerToFrontRatio
-    ret.minEnableSpeed = candidate.config.specs.minEnableSpeed
-    ret.minSteerSpeed = candidate.config.specs.minSteerSpeed
-    ret.tireStiffnessFactor = candidate.config.specs.tireStiffnessFactor
-    ret.flags |= int(candidate.config.flags)
+    ret.mass = platform.config.specs.mass
+    ret.wheelbase = platform.config.specs.wheelbase
+    ret.steerRatio = platform.config.specs.steerRatio
+    ret.centerToFront = ret.wheelbase * platform.config.specs.centerToFrontRatio
+    ret.minEnableSpeed = platform.config.specs.minEnableSpeed
+    ret.minSteerSpeed = platform.config.specs.minSteerSpeed
+    ret.tireStiffnessFactor = platform.config.specs.tireStiffnessFactor
+    ret.flags |= int(platform.config.flags)
 
     ret = cls._get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs)
 

selfdrive/car/tests/test_models.py

@@ -19,7 +19,7 @@ from openpilot.selfdrive.car.fingerprints import all_known_cars
 from openpilot.selfdrive.car.car_helpers import FRAME_FINGERPRINT, interfaces
 from openpilot.selfdrive.car.honda.values import CAR as HONDA, HondaFlags
 from openpilot.selfdrive.car.tests.routes import non_tested_cars, routes, CarTestRoute
-from openpilot.selfdrive.car.values import PLATFORMS, Platform
+from openpilot.selfdrive.car.values import Platform
 from openpilot.selfdrive.controls.controlsd import Controls
 from openpilot.selfdrive.test.helpers import read_segment_list
 from openpilot.system.hardware.hw import DEFAULT_DOWNLOAD_CACHE_ROOT
@@ -95,7 +95,7 @@ class TestCarModelBase(unittest.TestCase):
         if msg.carParams.openpilotLongitudinalControl:
           experimental_long = True
         if cls.platform is None and not cls.ci:
-          cls.platform = PLATFORMS.get(msg.carParams.carFingerprint)
+          cls.platform = msg.carParams.carFingerprint
 
       # Log which can frame the panda safety mode left ELM327, for CAN validity checks
       elif msg.which() == 'pandaStates':

tools/car_porting/test_car_model.py

@@ -5,7 +5,6 @@ import unittest
 
 from openpilot.selfdrive.car.tests.routes import CarTestRoute
 from openpilot.selfdrive.car.tests.test_models import TestCarModel
-from openpilot.selfdrive.car.values import PLATFORMS
 from openpilot.tools.lib.route import SegmentName
 
 
@@ -33,9 +32,7 @@ if __name__ == "__main__":
   route_or_segment_name = SegmentName(args.route_or_segment_name.strip(), allow_route_name=True)
   segment_num = route_or_segment_name.segment_num if route_or_segment_name.segment_num != -1 else None
 
-  platform = PLATFORMS.get(args.car)
-
-  test_route = CarTestRoute(route_or_segment_name.route_name.canonical_name, platform, segment=segment_num)
+  test_route = CarTestRoute(route_or_segment_name.route_name.canonical_name, args.car, segment=segment_num)
   test_suite = create_test_models_suite([test_route], ci=args.ci)
 
   unittest.TextTestRunner().run(test_suite)