openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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from cereal import car
from selfdrive.car.hyundai.values import DBC, STEER_THRESHOLD, FEATURES
from selfdrive.car.interfaces import CarStateBase
from opendbc.can.parser import CANParser
from selfdrive.config import Conversions as CV
GearShifter = car.CarState.GearShifter
class CarState(CarStateBase):
def update(self, cp, cp_cam):
ret = car.CarState.new_message()
ret.doorOpen = False # FIXME
ret.seatbeltUnlatched = cp.vl["CGW1"]['CF_Gway_DrvSeatBeltSw'] == 0
ret.wheelSpeeds.fl = cp.vl["WHL_SPD11"]['WHL_SPD_FL'] * CV.KPH_TO_MS
ret.wheelSpeeds.fr = cp.vl["WHL_SPD11"]['WHL_SPD_FR'] * CV.KPH_TO_MS
ret.wheelSpeeds.rl = cp.vl["WHL_SPD11"]['WHL_SPD_RL'] * CV.KPH_TO_MS
ret.wheelSpeeds.rr = cp.vl["WHL_SPD11"]['WHL_SPD_RR'] * CV.KPH_TO_MS
ret.vEgoRaw = (ret.wheelSpeeds.fl + ret.wheelSpeeds.fr + ret.wheelSpeeds.rl + ret.wheelSpeeds.rr) / 4.
ret.vEgo, ret.aEgo = self.update_speed_kf(ret.vEgoRaw)
ret.standstill = ret.vEgoRaw < 0.1
ret.steeringAngle = cp.vl["SAS11"]['SAS_Angle']
ret.steeringRate = cp.vl["SAS11"]['SAS_Speed']
ret.yawRate = cp.vl["ESP12"]['YAW_RATE']
ret.leftBlinker = cp.vl["CGW1"]['CF_Gway_TSigLHSw'] != 0
ret.rightBlinker = cp.vl["CGW1"]['CF_Gway_TSigRHSw'] != 0
ret.steeringTorque = cp.vl["MDPS11"]['CR_Mdps_DrvTq']
ret.steeringTorqueEps = cp.vl["MDPS12"]['CR_Mdps_OutTq']
ret.steeringPressed = abs(ret.steeringTorque) > STEER_THRESHOLD
# cruise state
ret.cruiseState.enabled = cp.vl["SCC12"]['ACCMode'] != 0
ret.cruiseState.available = True
ret.cruiseState.standstill = cp.vl["SCC11"]['SCCInfoDisplay'] == 4.
if ret.cruiseState.enabled:
is_set_speed_in_mph = int(cp.vl["CLU11"]["CF_Clu_SPEED_UNIT"])
speed_conv = CV.MPH_TO_MS if is_set_speed_in_mph else CV.KPH_TO_MS
ret.cruiseState.speed = cp.vl["SCC11"]['VSetDis'] * speed_conv
else:
ret.cruiseState.speed = 0
ret.brake = 0 # FIXME
ret.brakePressed = cp.vl["TCS13"]['DriverBraking'] != 0
ret.brakeLights = ret.brakePressed
if (cp.vl["TCS13"]["DriverOverride"] == 0 and cp.vl["TCS13"]['ACC_REQ'] == 1):
pedal_gas = 0
else:
pedal_gas = cp.vl["EMS12"]['TPS']
ret.gasPressed = pedal_gas > 1e-3
ret.gas = cp.vl["EMS12"]['TPS']
ret.espDisabled = cp.vl["TCS15"]['ESC_Off_Step'] != 0
# Gear Selecton - This is not compatible with all Kia/Hyundai's, But is the best way for those it is compatible with
gear = cp.vl["LVR12"]["CF_Lvr_Gear"]
if gear == 5:
gear_shifter = GearShifter.drive
elif gear == 6:
gear_shifter = GearShifter.neutral
elif gear == 0:
gear_shifter = GearShifter.park
elif gear == 7:
gear_shifter = GearShifter.reverse
else:
gear_shifter = GearShifter.unknown
# Gear Selection via Cluster - For those Kia/Hyundai which are not fully discovered, we can use the Cluster Indicator for Gear Selection, as this seems to be standard over all cars, but is not the preferred method.
if cp.vl["CLU15"]["CF_Clu_InhibitD"] == 1:
gear_shifter_cluster = GearShifter.drive
elif cp.vl["CLU15"]["CF_Clu_InhibitN"] == 1:
gear_shifter_cluster = GearShifter.neutral
elif cp.vl["CLU15"]["CF_Clu_InhibitP"] == 1:
gear_shifter_cluster = GearShifter.park
elif cp.vl["CLU15"]["CF_Clu_InhibitR"] == 1:
gear_shifter_cluster = GearShifter.reverse
else:
gear_shifter_cluster = GearShifter.unknown
# Gear Selecton via TCU12
gear2 = cp.vl["TCU12"]["CUR_GR"]
if gear2 == 0:
gear_tcu = GearShifter.park
elif gear2 == 14:
gear_tcu = GearShifter.reverse
elif gear2 > 0 and gear2 < 9: # unaware of anything over 8 currently
gear_tcu = GearShifter.drive
else:
gear_tcu = GearShifter.unknown
# gear shifter
if self.CP.carFingerprint in FEATURES["use_cluster_gears"]:
ret.gearShifter = gear_shifter_cluster
elif self.CP.carFingerprint in FEATURES["use_tcu_gears"]:
ret.gearShifter = gear_tcu
else:
ret.gearShifter = gear_shifter
# save the entire LKAS11 and CLU11
self.lkas11 = cp_cam.vl["LKAS11"]
self.clu11 = cp.vl["CLU11"]
self.park_brake = cp.vl["CGW1"]['CF_Gway_ParkBrakeSw']
self.steer_state = cp.vl["MDPS12"]['CF_Mdps_ToiActive'] #0 NOT ACTIVE, 1 ACTIVE
self.steer_warning = cp.vl["MDPS12"]['CF_Mdps_ToiUnavail']
self.brake_error = 0
return ret
@staticmethod
def get_can_parser(CP):
signals = [
# sig_name, sig_address, default
("WHL_SPD_FL", "WHL_SPD11", 0),
("WHL_SPD_FR", "WHL_SPD11", 0),
("WHL_SPD_RL", "WHL_SPD11", 0),
("WHL_SPD_RR", "WHL_SPD11", 0),
("YAW_RATE", "ESP12", 0),
("CF_Gway_DrvSeatBeltInd", "CGW4", 1),
("CF_Gway_DrvSeatBeltSw", "CGW1", 0),
("CF_Gway_TSigLHSw", "CGW1", 0),
("CF_Gway_TurnSigLh", "CGW1", 0),
("CF_Gway_TSigRHSw", "CGW1", 0),
("CF_Gway_TurnSigRh", "CGW1", 0),
("CF_Gway_ParkBrakeSw", "CGW1", 0),
("BRAKE_ACT", "EMS12", 0),
("PV_AV_CAN", "EMS12", 0),
("TPS", "EMS12", 0),
("CYL_PRES", "ESP12", 0),
("CF_Clu_CruiseSwState", "CLU11", 0),
("CF_Clu_CruiseSwMain", "CLU11", 0),
("CF_Clu_SldMainSW", "CLU11", 0),
("CF_Clu_ParityBit1", "CLU11", 0),
("CF_Clu_VanzDecimal" , "CLU11", 0),
("CF_Clu_Vanz", "CLU11", 0),
("CF_Clu_SPEED_UNIT", "CLU11", 0),
("CF_Clu_DetentOut", "CLU11", 0),
("CF_Clu_RheostatLevel", "CLU11", 0),
("CF_Clu_CluInfo", "CLU11", 0),
("CF_Clu_AmpInfo", "CLU11", 0),
("CF_Clu_AliveCnt1", "CLU11", 0),
("CF_Clu_InhibitD", "CLU15", 0),
("CF_Clu_InhibitP", "CLU15", 0),
("CF_Clu_InhibitN", "CLU15", 0),
("CF_Clu_InhibitR", "CLU15", 0),
("CF_Lvr_Gear", "LVR12",0),
("CUR_GR", "TCU12",0),
("ACCEnable", "TCS13", 0),
("ACC_REQ", "TCS13", 0),
("DriverBraking", "TCS13", 0),
("DriverOverride", "TCS13", 0),
("ESC_Off_Step", "TCS15", 0),
("CF_Lvr_GearInf", "LVR11", 0), #Transmission Gear (0 = N or P, 1-8 = Fwd, 14 = Rev)
("CR_Mdps_DrvTq", "MDPS11", 0),
("CR_Mdps_StrColTq", "MDPS12", 0),
("CF_Mdps_ToiActive", "MDPS12", 0),
("CF_Mdps_ToiUnavail", "MDPS12", 0),
("CF_Mdps_FailStat", "MDPS12", 0),
("CR_Mdps_OutTq", "MDPS12", 0),
("VSetDis", "SCC11", 0),
("SCCInfoDisplay", "SCC11", 0),
("ACCMode", "SCC12", 1),
("SAS_Angle", "SAS11", 0),
("SAS_Speed", "SAS11", 0),
]
checks = [
# address, frequency
("MDPS12", 50),
("MDPS11", 100),
("TCS15", 10),
("TCS13", 50),
("CLU11", 50),
("ESP12", 100),
("EMS12", 100),
("CGW1", 10),
("CGW4", 5),
("WHL_SPD11", 50),
("SCC11", 50),
("SCC12", 50),
("SAS11", 100)
]
return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 0)
@staticmethod
def get_cam_can_parser(CP):
signals = [
# sig_name, sig_address, default
("CF_Lkas_LdwsSysState", "LKAS11", 0),
("CF_Lkas_SysWarning", "LKAS11", 0),
("CF_Lkas_LdwsLHWarning", "LKAS11", 0),
("CF_Lkas_LdwsRHWarning", "LKAS11", 0),
("CF_Lkas_HbaLamp", "LKAS11", 0),
("CF_Lkas_FcwBasReq", "LKAS11", 0),
("CF_Lkas_ToiFlt", "LKAS11", 0),
("CF_Lkas_HbaSysState", "LKAS11", 0),
("CF_Lkas_FcwOpt", "LKAS11", 0),
("CF_Lkas_HbaOpt", "LKAS11", 0),
("CF_Lkas_FcwSysState", "LKAS11", 0),
("CF_Lkas_FcwCollisionWarning", "LKAS11", 0),
("CF_Lkas_FusionState", "LKAS11", 0),
("CF_Lkas_FcwOpt_USM", "LKAS11", 0),
("CF_Lkas_LdwsOpt_USM", "LKAS11", 0)
]
checks = []
return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 2)