Files
StarPilot/selfdrive/car/gm/carstate.py
T
Adeeb Shihadeh 63bbcd7279 better steer fault names (#23890)
* better steer fault names

* bump cereal
old-commit-hash: 87849f93b165507ad980dbefdcf9c376d5165a18
2022-03-01 22:53:55 -08:00

140 lines
5.4 KiB
Python

from cereal import car
from common.numpy_fast import mean
from opendbc.can.can_define import CANDefine
from opendbc.can.parser import CANParser
from selfdrive.car.interfaces import CarStateBase
from selfdrive.car.gm.values import DBC, CAR, AccState, CanBus, STEER_THRESHOLD
class CarState(CarStateBase):
def __init__(self, CP):
super().__init__(CP)
can_define = CANDefine(DBC[CP.carFingerprint]["pt"])
self.shifter_values = can_define.dv["ECMPRDNL"]["PRNDL"]
self.lka_steering_cmd_counter = 0
def update(self, pt_cp, loopback_cp):
ret = car.CarState.new_message()
self.prev_cruise_buttons = self.cruise_buttons
self.cruise_buttons = pt_cp.vl["ASCMSteeringButton"]["ACCButtons"]
ret.wheelSpeeds = self.get_wheel_speeds(
pt_cp.vl["EBCMWheelSpdFront"]["FLWheelSpd"],
pt_cp.vl["EBCMWheelSpdFront"]["FRWheelSpd"],
pt_cp.vl["EBCMWheelSpdRear"]["RLWheelSpd"],
pt_cp.vl["EBCMWheelSpdRear"]["RRWheelSpd"],
)
ret.vEgoRaw = mean([ret.wheelSpeeds.fl, ret.wheelSpeeds.fr, ret.wheelSpeeds.rl, ret.wheelSpeeds.rr])
ret.vEgo, ret.aEgo = self.update_speed_kf(ret.vEgoRaw)
ret.standstill = ret.vEgoRaw < 0.01
ret.gearShifter = self.parse_gear_shifter(self.shifter_values.get(pt_cp.vl["ECMPRDNL"]["PRNDL"], None))
ret.brakePressed = pt_cp.vl["ECMEngineStatus"]["Brake_Pressed"] != 0
ret.brake = pt_cp.vl["EBCMBrakePedalPosition"]["BrakePedalPosition"] / 0xd0
ret.gas = pt_cp.vl["AcceleratorPedal2"]["AcceleratorPedal2"] / 254.
ret.gasPressed = ret.gas > 1e-5
ret.steeringAngleDeg = pt_cp.vl["PSCMSteeringAngle"]["SteeringWheelAngle"]
ret.steeringRateDeg = pt_cp.vl["PSCMSteeringAngle"]["SteeringWheelRate"]
ret.steeringTorque = pt_cp.vl["PSCMStatus"]["LKADriverAppldTrq"]
ret.steeringTorqueEps = pt_cp.vl["PSCMStatus"]["LKATorqueDelivered"]
ret.steeringPressed = abs(ret.steeringTorque) > STEER_THRESHOLD
self.lka_steering_cmd_counter = loopback_cp.vl["ASCMLKASteeringCmd"]["RollingCounter"]
# 0 inactive, 1 active, 2 temporarily limited, 3 failed
self.lkas_status = pt_cp.vl["PSCMStatus"]["LKATorqueDeliveredStatus"]
ret.steerFaultTemporary = self.lkas_status == 2
ret.steerFaultPermanent = self.lkas_status == 3
# 1 - open, 0 - closed
ret.doorOpen = (pt_cp.vl["BCMDoorBeltStatus"]["FrontLeftDoor"] == 1 or
pt_cp.vl["BCMDoorBeltStatus"]["FrontRightDoor"] == 1 or
pt_cp.vl["BCMDoorBeltStatus"]["RearLeftDoor"] == 1 or
pt_cp.vl["BCMDoorBeltStatus"]["RearRightDoor"] == 1)
# 1 - latched
ret.seatbeltUnlatched = pt_cp.vl["BCMDoorBeltStatus"]["LeftSeatBelt"] == 0
ret.leftBlinker = pt_cp.vl["BCMTurnSignals"]["TurnSignals"] == 1
ret.rightBlinker = pt_cp.vl["BCMTurnSignals"]["TurnSignals"] == 2
self.park_brake = pt_cp.vl["EPBStatus"]["EPBClosed"]
ret.cruiseState.available = pt_cp.vl["ECMEngineStatus"]["CruiseMainOn"] != 0
ret.espDisabled = pt_cp.vl["ESPStatus"]["TractionControlOn"] != 1
self.pcm_acc_status = pt_cp.vl["AcceleratorPedal2"]["CruiseState"]
# Regen braking is braking
if self.car_fingerprint == CAR.VOLT:
ret.brakePressed = ret.brakePressed or pt_cp.vl["EBCMRegenPaddle"]["RegenPaddle"] != 0
ret.cruiseState.enabled = self.pcm_acc_status != AccState.OFF
ret.cruiseState.standstill = self.pcm_acc_status == AccState.STANDSTILL
return ret
@staticmethod
def get_can_parser(CP):
signals = [
# sig_name, sig_address
("BrakePedalPosition", "EBCMBrakePedalPosition"),
("FrontLeftDoor", "BCMDoorBeltStatus"),
("FrontRightDoor", "BCMDoorBeltStatus"),
("RearLeftDoor", "BCMDoorBeltStatus"),
("RearRightDoor", "BCMDoorBeltStatus"),
("LeftSeatBelt", "BCMDoorBeltStatus"),
("RightSeatBelt", "BCMDoorBeltStatus"),
("TurnSignals", "BCMTurnSignals"),
("AcceleratorPedal2", "AcceleratorPedal2"),
("CruiseState", "AcceleratorPedal2"),
("ACCButtons", "ASCMSteeringButton"),
("SteeringWheelAngle", "PSCMSteeringAngle"),
("SteeringWheelRate", "PSCMSteeringAngle"),
("FLWheelSpd", "EBCMWheelSpdFront"),
("FRWheelSpd", "EBCMWheelSpdFront"),
("RLWheelSpd", "EBCMWheelSpdRear"),
("RRWheelSpd", "EBCMWheelSpdRear"),
("PRNDL", "ECMPRDNL"),
("LKADriverAppldTrq", "PSCMStatus"),
("LKATorqueDelivered", "PSCMStatus"),
("LKATorqueDeliveredStatus", "PSCMStatus"),
("TractionControlOn", "ESPStatus"),
("EPBClosed", "EPBStatus"),
("CruiseMainOn", "ECMEngineStatus"),
("Brake_Pressed", "ECMEngineStatus"),
]
checks = [
("BCMTurnSignals", 1),
("ECMPRDNL", 10),
("PSCMStatus", 10),
("ESPStatus", 10),
("BCMDoorBeltStatus", 10),
("EPBStatus", 20),
("EBCMWheelSpdFront", 20),
("EBCMWheelSpdRear", 20),
("AcceleratorPedal2", 33),
("ASCMSteeringButton", 33),
("ECMEngineStatus", 100),
("PSCMSteeringAngle", 100),
("EBCMBrakePedalPosition", 100),
]
if CP.carFingerprint == CAR.VOLT:
signals.append(("RegenPaddle", "EBCMRegenPaddle"))
checks.append(("EBCMRegenPaddle", 50))
return CANParser(DBC[CP.carFingerprint]["pt"], signals, checks, CanBus.POWERTRAIN)
@staticmethod
def get_loopback_can_parser(CP):
signals = [
("RollingCounter", "ASCMLKASteeringCmd"),
]
checks = [
("ASCMLKASteeringCmd", 50),
]
return CANParser(DBC[CP.carFingerprint]["pt"], signals, checks, CanBus.LOOPBACK)