Files
StarPilot/selfdrive/car/gm/carstate.py
T
Adeeb Shihadeh 94e02bcb3f add parkingBrake to carState (#23968)
* add parkingBrake to carState

* fix gm
old-commit-hash: ae19308e83991c4809a785bb698d300cf7afe7e1
2022-03-14 16:32:20 -07:00

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
ret.parkingBrake = pt_cp.vl["EPBStatus"]["EPBClosed"] == 1
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)