nopenpilot/selfdrive/car/tesla/interface.py

77 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python3
from cereal import car
from panda import Panda
from selfdrive.car.tesla.values import CANBUS, CAR
from selfdrive.car import STD_CARGO_KG, gen_empty_fingerprint, scale_rot_inertia, scale_tire_stiffness, get_safety_config
from selfdrive.car.interfaces import CarInterfaceBase
class CarInterface(CarInterfaceBase):
@staticmethod
def get_params(candidate, fingerprint=gen_empty_fingerprint(), car_fw=None, disable_radar=False):
ret = CarInterfaceBase.get_std_params(candidate, fingerprint)
ret.carName = "tesla"
# There is no safe way to do steer blending with user torque,
# so the steering behaves like autopilot. This is not
# how openpilot should be, hence dashcamOnly
ret.dashcamOnly = True
ret.steerControlType = car.CarParams.SteerControlType.angle
# Set kP and kI to 0 over the whole speed range to have the planner accel as actuator command
ret.longitudinalTuning.kpBP = [0]
ret.longitudinalTuning.kpV = [0]
ret.longitudinalTuning.kiBP = [0]
ret.longitudinalTuning.kiV = [0]
ret.stopAccel = 0.0
ret.longitudinalActuatorDelayUpperBound = 0.5 # s
ret.radarTimeStep = (1.0 / 8) # 8Hz
# Check if we have messages on an auxiliary panda, and that 0x2bf (DAS_control) is present on the AP powertrain bus
# If so, we assume that it is connected to the longitudinal harness.
if (CANBUS.autopilot_powertrain in fingerprint.keys()) and (0x2bf in fingerprint[CANBUS.autopilot_powertrain].keys()):
ret.openpilotLongitudinalControl = True
ret.safetyConfigs = [
get_safety_config(car.CarParams.SafetyModel.tesla, Panda.FLAG_TESLA_LONG_CONTROL),
get_safety_config(car.CarParams.SafetyModel.tesla, Panda.FLAG_TESLA_LONG_CONTROL | Panda.FLAG_TESLA_POWERTRAIN),
]
else:
ret.openpilotLongitudinalControl = False
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.tesla, 0)]
ret.steerLimitTimer = 1.0
ret.steerActuatorDelay = 0.25
ret.steerRateCost = 0.5
if candidate in (CAR.AP2_MODELS, CAR.AP1_MODELS):
ret.mass = 2100. + STD_CARGO_KG
ret.wheelbase = 2.959
ret.centerToFront = ret.wheelbase * 0.5
ret.steerRatio = 15.0
else:
raise ValueError(f"Unsupported car: {candidate}")
ret.rotationalInertia = scale_rot_inertia(ret.mass, ret.wheelbase)
ret.tireStiffnessFront, ret.tireStiffnessRear = scale_tire_stiffness(ret.mass, ret.wheelbase, ret.centerToFront)
return ret
def update(self, c, can_strings):
self.cp.update_strings(can_strings)
self.cp_cam.update_strings(can_strings)
ret = self.CS.update(self.cp, self.cp_cam)
ret.canValid = self.cp.can_valid and self.cp_cam.can_valid
events = self.create_common_events(ret)
ret.events = events.to_msg()
self.CS.out = ret.as_reader()
return self.CS.out
def apply(self, c):
ret = self.CC.update(c, self.CS, self.frame, c.actuators, c.cruiseControl.cancel)
self.frame += 1
return ret