add CarControllerBase base class to all CarControllers (#31630)

just base class for now
old-commit-hash: d4c497d82674126103118a4d5bb7a39db2823609

selfdrive/car/body/carcontroller.py

@@ -4,6 +4,7 @@ from openpilot.common.realtime import DT_CTRL
 from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car.body import bodycan
 from openpilot.selfdrive.car.body.values import SPEED_FROM_RPM
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.controls.lib.pid import PIDController
 
 
@@ -14,7 +15,7 @@ MAX_POS_INTEGRATOR = 0.2   # meters
 MAX_TURN_INTEGRATOR = 0.1  # meters
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.frame = 0
     self.packer = CANPacker(dbc_name)

selfdrive/car/chrysler/carcontroller.py

@@ -3,9 +3,10 @@ from openpilot.common.realtime import DT_CTRL
 from openpilot.selfdrive.car import apply_meas_steer_torque_limits
 from openpilot.selfdrive.car.chrysler import chryslercan
 from openpilot.selfdrive.car.chrysler.values import RAM_CARS, CarControllerParams, ChryslerFlags
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.apply_steer_last = 0

selfdrive/car/ford/carcontroller.py

@@ -4,6 +4,7 @@ from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import apply_std_steer_angle_limits
 from openpilot.selfdrive.car.ford import fordcan
 from openpilot.selfdrive.car.ford.values import CANFD_CAR, CarControllerParams
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.controls.lib.drive_helpers import V_CRUISE_MAX
 
 LongCtrlState = car.CarControl.Actuators.LongControlState
@@ -22,7 +23,7 @@ def apply_ford_curvature_limits(apply_curvature, apply_curvature_last, current_c
   return clip(apply_curvature, -CarControllerParams.CURVATURE_MAX, CarControllerParams.CURVATURE_MAX)
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.VM = VM

selfdrive/car/gm/carcontroller.py

@@ -6,6 +6,7 @@ from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import apply_driver_steer_torque_limits
 from openpilot.selfdrive.car.gm import gmcan
 from openpilot.selfdrive.car.gm.values import DBC, CanBus, CarControllerParams, CruiseButtons
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 
 VisualAlert = car.CarControl.HUDControl.VisualAlert
 NetworkLocation = car.CarParams.NetworkLocation
@@ -17,7 +18,7 @@ CAMERA_CANCEL_DELAY_FRAMES = 10
 MIN_STEER_MSG_INTERVAL_MS = 15
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.start_time = 0.

selfdrive/car/honda/carcontroller.py

@@ -7,6 +7,7 @@ from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import create_gas_interceptor_command
 from openpilot.selfdrive.car.honda import hondacan
 from openpilot.selfdrive.car.honda.values import CruiseButtons, VISUAL_HUD, HONDA_BOSCH, HONDA_BOSCH_RADARLESS, HONDA_NIDEC_ALT_PCM_ACCEL, CarControllerParams
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.controls.lib.drive_helpers import rate_limit
 
 VisualAlert = car.CarControl.HUDControl.VisualAlert
@@ -104,7 +105,7 @@ def rate_limit_steer(new_steer, last_steer):
   return clip(new_steer, last_steer - MAX_DELTA, last_steer + MAX_DELTA)
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.packer = CANPacker(dbc_name)

selfdrive/car/hyundai/carcontroller.py

@@ -7,6 +7,7 @@ from openpilot.selfdrive.car import apply_driver_steer_torque_limits, common_fau
 from openpilot.selfdrive.car.hyundai import hyundaicanfd, hyundaican
 from openpilot.selfdrive.car.hyundai.hyundaicanfd import CanBus
 from openpilot.selfdrive.car.hyundai.values import HyundaiFlags, Buttons, CarControllerParams, CANFD_CAR, CAR
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 
 VisualAlert = car.CarControl.HUDControl.VisualAlert
 LongCtrlState = car.CarControl.Actuators.LongControlState
@@ -42,7 +43,7 @@ def process_hud_alert(enabled, fingerprint, hud_control):
   return sys_warning, sys_state, left_lane_warning, right_lane_warning
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.CAN = CanBus(CP)

selfdrive/car/interfaces.py

@@ -518,3 +518,12 @@ class NanoFFModel:
       pred = x[0]
     pred = pred * (self.weights['output_norm_mat'][1] - self.weights['output_norm_mat'][0]) + self.weights['output_norm_mat'][0]
     return pred
+
+
+SendCan = tuple[int, int, bytes, int]
+
+
+class CarControllerBase(ABC):
+  @abstractmethod
+  def update(self, CC, CS, now_nanos) -> tuple[car.CarControl.Actuators, list[SendCan]]:
+    pass

selfdrive/car/mazda/carcontroller.py

@@ -1,13 +1,14 @@
 from cereal import car
 from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import apply_driver_steer_torque_limits
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.car.mazda import mazdacan
 from openpilot.selfdrive.car.mazda.values import CarControllerParams, Buttons
 
 VisualAlert = car.CarControl.HUDControl.VisualAlert
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.apply_steer_last = 0

selfdrive/car/nissan/carcontroller.py

@@ -1,13 +1,14 @@
 from cereal import car
 from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import apply_std_steer_angle_limits
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.car.nissan import nissancan
 from openpilot.selfdrive.car.nissan.values import CAR, CarControllerParams
 
 VisualAlert = car.CarControl.HUDControl.VisualAlert
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.car_fingerprint = CP.carFingerprint

selfdrive/car/subaru/carcontroller.py

@@ -1,6 +1,7 @@
 from openpilot.common.numpy_fast import clip, interp
 from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import apply_driver_steer_torque_limits, common_fault_avoidance
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.car.subaru import subarucan
 from openpilot.selfdrive.car.subaru.values import DBC, GLOBAL_ES_ADDR, GLOBAL_GEN2, PREGLOBAL_CARS, HYBRID_CARS, STEER_RATE_LIMITED, \
                                                   CanBus, CarControllerParams, SubaruFlags
@@ -11,7 +12,7 @@ MAX_STEER_RATE = 25  # deg/s
 MAX_STEER_RATE_FRAMES = 7  # tx control frames needed before torque can be cut
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.apply_steer_last = 0

selfdrive/car/tesla/carcontroller.py

@@ -1,11 +1,12 @@
 from openpilot.common.numpy_fast import clip
 from opendbc.can.packer import CANPacker
 from openpilot.selfdrive.car import apply_std_steer_angle_limits
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.car.tesla.teslacan import TeslaCAN
 from openpilot.selfdrive.car.tesla.values import DBC, CANBUS, CarControllerParams
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.frame = 0

selfdrive/car/toyota/carcontroller.py

@@ -2,6 +2,7 @@ from cereal import car
 from openpilot.common.numpy_fast import clip, interp
 from openpilot.selfdrive.car import apply_meas_steer_torque_limits, apply_std_steer_angle_limits, common_fault_avoidance, \
                           create_gas_interceptor_command, make_can_msg
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.car.toyota import toyotacan
 from openpilot.selfdrive.car.toyota.values import CAR, STATIC_DSU_MSGS, NO_STOP_TIMER_CAR, TSS2_CAR, \
                                         MIN_ACC_SPEED, PEDAL_TRANSITION, CarControllerParams, ToyotaFlags, \
@@ -25,7 +26,7 @@ MAX_LTA_ANGLE = 94.9461  # deg
 MAX_LTA_DRIVER_TORQUE_ALLOWANCE = 150  # slightly above steering pressed allows some resistance when changing lanes
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.params = CarControllerParams(self.CP)

selfdrive/car/volkswagen/carcontroller.py

@@ -4,6 +4,7 @@ from openpilot.common.numpy_fast import clip
 from openpilot.common.conversions import Conversions as CV
 from openpilot.common.realtime import DT_CTRL
 from openpilot.selfdrive.car import apply_driver_steer_torque_limits
+from openpilot.selfdrive.car.interfaces import CarControllerBase
 from openpilot.selfdrive.car.volkswagen import mqbcan, pqcan
 from openpilot.selfdrive.car.volkswagen.values import CANBUS, PQ_CARS, CarControllerParams, VolkswagenFlags
 
@@ -11,7 +12,7 @@ VisualAlert = car.CarControl.HUDControl.VisualAlert
 LongCtrlState = car.CarControl.Actuators.LongControlState
 
 
-class CarController:
+class CarController(CarControllerBase):
   def __init__(self, dbc_name, CP, VM):
     self.CP = CP
     self.CCP = CarControllerParams(CP)