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251 lines
8.3 KiB
251 lines
8.3 KiB
from selfdrive.car.hyundai.values import DBC, STEER_THRESHOLD
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from selfdrive.can.parser import CANParser
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from selfdrive.config import Conversions as CV
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from common.kalman.simple_kalman import KF1D
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import numpy as np
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def get_can_parser(CP):
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signals = [
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# sig_name, sig_address, default
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("WHL_SPD_FL", "WHL_SPD11", 0),
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("WHL_SPD_FR", "WHL_SPD11", 0),
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("WHL_SPD_RL", "WHL_SPD11", 0),
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("WHL_SPD_RR", "WHL_SPD11", 0),
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("YAW_RATE", "ESP12", 0),
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("CF_Gway_DrvSeatBeltInd", "CGW4", 1),
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("CF_Gway_DrvSeatBeltSw", "CGW1", 0),
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("CF_Gway_TSigLHSw", "CGW1", 0),
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("CF_Gway_TurnSigLh", "CGW1", 0),
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("CF_Gway_TSigRHSw", "CGW1", 0),
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("CF_Gway_TurnSigRh", "CGW1", 0),
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("CF_Gway_ParkBrakeSw", "CGW1", 0),
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("BRAKE_ACT", "EMS12", 0),
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("PV_AV_CAN", "EMS12", 0),
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("TPS", "EMS12", 0),
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("CYL_PRES", "ESP12", 0),
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("CF_Clu_CruiseSwState", "CLU11", 0),
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("CF_Clu_CruiseSwMain" , "CLU11", 0),
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("CF_Clu_SldMainSW", "CLU11", 0),
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("CF_Clu_ParityBit1", "CLU11", 0),
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("CF_Clu_VanzDecimal" , "CLU11", 0),
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("CF_Clu_Vanz", "CLU11", 0),
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("CF_Clu_SPEED_UNIT", "CLU11", 0),
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("CF_Clu_DetentOut", "CLU11", 0),
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("CF_Clu_RheostatLevel", "CLU11", 0),
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("CF_Clu_CluInfo", "CLU11", 0),
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("CF_Clu_AmpInfo", "CLU11", 0),
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("CF_Clu_AliveCnt1", "CLU11", 0),
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("CF_Clu_InhibitD", "CLU15", 0),
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("CF_Clu_InhibitP", "CLU15", 0),
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("CF_Clu_InhibitN", "CLU15", 0),
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("CF_Clu_InhibitR", "CLU15", 0),
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("CF_Lvr_Gear","LVR12",0),
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("CUR_GR", "TCU12",0),
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("ACCEnable", "TCS13", 0),
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("ACC_REQ", "TCS13", 0),
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("DriverBraking", "TCS13", 0),
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("DriverOverride", "TCS13", 0),
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("ESC_Off_Step", "TCS15", 0),
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("CF_Lvr_GearInf", "LVR11", 0), #Transmission Gear (0 = N or P, 1-8 = Fwd, 14 = Rev)
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("CR_Mdps_DrvTq", "MDPS11", 0),
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("CR_Mdps_StrColTq", "MDPS12", 0),
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("CF_Mdps_ToiActive", "MDPS12", 0),
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("CF_Mdps_ToiUnavail", "MDPS12", 0),
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("CF_Mdps_FailStat", "MDPS12", 0),
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("CR_Mdps_OutTq", "MDPS12", 0),
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("VSetDis", "SCC11", 0),
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("SCCInfoDisplay", "SCC11", 0),
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("ACCMode", "SCC12", 1),
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("SAS_Angle", "SAS11", 0),
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("SAS_Speed", "SAS11", 0),
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]
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checks = [
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# address, frequency
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("MDPS12", 50),
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("MDPS11", 100),
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("TCS15", 10),
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("TCS13", 50),
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("CLU11", 50),
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("ESP12", 100),
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("EMS12", 100),
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("CGW1", 10),
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("CGW4", 5),
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("WHL_SPD11", 50),
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("SCC11", 50),
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("SCC12", 50),
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("SAS11", 100)
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]
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return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 0)
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def get_camera_parser(CP):
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signals = [
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# sig_name, sig_address, default
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("CF_Lkas_LdwsSysState", "LKAS11", 0),
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("CF_Lkas_SysWarning", "LKAS11", 0),
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("CF_Lkas_LdwsLHWarning", "LKAS11", 0),
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("CF_Lkas_LdwsRHWarning", "LKAS11", 0),
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("CF_Lkas_HbaLamp", "LKAS11", 0),
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("CF_Lkas_FcwBasReq", "LKAS11", 0),
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("CF_Lkas_ToiFlt", "LKAS11", 0),
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("CF_Lkas_HbaSysState", "LKAS11", 0),
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("CF_Lkas_FcwOpt", "LKAS11", 0),
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("CF_Lkas_HbaOpt", "LKAS11", 0),
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("CF_Lkas_FcwSysState", "LKAS11", 0),
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("CF_Lkas_FcwCollisionWarning", "LKAS11", 0),
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("CF_Lkas_FusionState", "LKAS11", 0),
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("CF_Lkas_FcwOpt_USM", "LKAS11", 0),
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("CF_Lkas_LdwsOpt_USM", "LKAS11", 0)
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]
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checks = []
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return CANParser(DBC[CP.carFingerprint]['pt'], signals, checks, 2)
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class CarState(object):
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def __init__(self, CP):
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self.CP = CP
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# initialize can parser
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self.car_fingerprint = CP.carFingerprint
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# vEgo kalman filter
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dt = 0.01
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# Q = np.matrix([[10.0, 0.0], [0.0, 100.0]])
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# R = 1e3
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self.v_ego_kf = KF1D(x0=np.matrix([[0.0], [0.0]]),
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A=np.matrix([[1.0, dt], [0.0, 1.0]]),
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C=np.matrix([1.0, 0.0]),
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K=np.matrix([[0.12287673], [0.29666309]]))
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self.v_ego = 0.0
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self.left_blinker_on = 0
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self.left_blinker_flash = 0
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self.right_blinker_on = 0
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self.right_blinker_flash = 0
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def update(self, cp, cp_cam):
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# copy can_valid
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self.can_valid = cp.can_valid
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# update prevs, update must run once per Loop
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self.prev_left_blinker_on = self.left_blinker_on
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self.prev_right_blinker_on = self.right_blinker_on
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self.door_all_closed = True
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self.seatbelt = cp.vl["CGW1"]['CF_Gway_DrvSeatBeltSw']
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self.brake_pressed = cp.vl["TCS13"]['DriverBraking']
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self.esp_disabled = cp.vl["TCS15"]['ESC_Off_Step']
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self.park_brake = cp.vl["CGW1"]['CF_Gway_ParkBrakeSw']
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self.main_on = True
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self.acc_active = cp.vl["SCC12"]['ACCMode'] != 0
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self.pcm_acc_status = int(self.acc_active)
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# calc best v_ego estimate, by averaging two opposite corners
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self.v_wheel_fl = cp.vl["WHL_SPD11"]['WHL_SPD_FL'] * CV.KPH_TO_MS
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self.v_wheel_fr = cp.vl["WHL_SPD11"]['WHL_SPD_FR'] * CV.KPH_TO_MS
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self.v_wheel_rl = cp.vl["WHL_SPD11"]['WHL_SPD_RL'] * CV.KPH_TO_MS
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self.v_wheel_rr = cp.vl["WHL_SPD11"]['WHL_SPD_RR'] * CV.KPH_TO_MS
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self.v_wheel = (self.v_wheel_fl + self.v_wheel_fr + self.v_wheel_rl + self.v_wheel_rr) / 4.
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self.low_speed_lockout = self.v_wheel < 1.0
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# Kalman filter, even though Hyundai raw wheel speed is heaviliy filtered by default
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if abs(self.v_wheel - self.v_ego) > 2.0: # Prevent large accelerations when car starts at non zero speed
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self.v_ego_x = np.matrix([[self.v_wheel], [0.0]])
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self.v_ego_raw = self.v_wheel
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v_ego_x = self.v_ego_kf.update(self.v_wheel)
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self.v_ego = float(v_ego_x[0])
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self.a_ego = float(v_ego_x[1])
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is_set_speed_in_mph = int(cp.vl["CLU11"]["CF_Clu_SPEED_UNIT"])
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speed_conv = CV.MPH_TO_MS if is_set_speed_in_mph else CV.KPH_TO_MS
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self.cruise_set_speed = cp.vl["SCC11"]['VSetDis'] * speed_conv
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self.standstill = not self.v_wheel > 0.1
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self.angle_steers = cp.vl["SAS11"]['SAS_Angle']
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self.angle_steers_rate = cp.vl["SAS11"]['SAS_Speed']
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self.yaw_rate = cp.vl["ESP12"]['YAW_RATE']
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self.main_on = True
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self.left_blinker_on = cp.vl["CGW1"]['CF_Gway_TSigLHSw']
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self.left_blinker_flash = cp.vl["CGW1"]['CF_Gway_TurnSigLh']
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self.right_blinker_on = cp.vl["CGW1"]['CF_Gway_TSigRHSw']
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self.right_blinker_flash = cp.vl["CGW1"]['CF_Gway_TurnSigRh']
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self.steer_override = abs(cp.vl["MDPS11"]['CR_Mdps_DrvTq']) > STEER_THRESHOLD
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self.steer_state = cp.vl["MDPS12"]['CF_Mdps_ToiActive'] #0 NOT ACTIVE, 1 ACTIVE
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self.steer_error = cp.vl["MDPS12"]['CF_Mdps_ToiUnavail']
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self.brake_error = 0
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self.steer_torque_driver = cp.vl["MDPS11"]['CR_Mdps_DrvTq']
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self.steer_torque_motor = cp.vl["MDPS12"]['CR_Mdps_OutTq']
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self.stopped = cp.vl["SCC11"]['SCCInfoDisplay'] == 4.
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self.user_brake = 0
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self.brake_pressed = cp.vl["TCS13"]['DriverBraking']
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self.brake_lights = bool(self.brake_pressed)
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if (cp.vl["TCS13"]["DriverOverride"] == 0 and cp.vl["TCS13"]['ACC_REQ'] == 1):
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self.pedal_gas = 0
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else:
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self.pedal_gas = cp.vl["EMS12"]['TPS']
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self.car_gas = cp.vl["EMS12"]['TPS']
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# Gear Selecton - This is not compatible with all Kia/Hyundai's, But is the best way for those it is compatible with
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gear = cp.vl["LVR12"]["CF_Lvr_Gear"]
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if gear == 5:
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self.gear_shifter = "drive"
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elif gear == 6:
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self.gear_shifter = "neutral"
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elif gear == 0:
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self.gear_shifter = "park"
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elif gear == 7:
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self.gear_shifter = "reverse"
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else:
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self.gear_shifter = "unknown"
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# 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.
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if cp.vl["CLU15"]["CF_Clu_InhibitD"] == 1:
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self.gear_shifter_cluster = "drive"
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elif cp.vl["CLU15"]["CF_Clu_InhibitN"] == 1:
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self.gear_shifter_cluster = "neutral"
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elif cp.vl["CLU15"]["CF_Clu_InhibitP"] == 1:
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self.gear_shifter_cluster = "park"
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elif cp.vl["CLU15"]["CF_Clu_InhibitR"] == 1:
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self.gear_shifter_cluster = "reverse"
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else:
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self.gear_shifter_cluster = "unknown"
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# Gear Selecton via TCU12
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gear2 = cp.vl["TCU12"]["CUR_GR"]
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if gear2 == 0:
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self.gear_tcu = "park"
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elif gear2 == 14:
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self.gear_tcu = "reverse"
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elif gear2 > 0 and gear2 < 9: # unaware of anything over 8 currently
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self.gear_tcu = "drive"
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else:
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self.gear_tcu = "unknown"
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# save the entire LKAS11 and CLU11
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self.lkas11 = cp_cam.vl["LKAS11"]
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self.clu11 = cp.vl["CLU11"]
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