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openpilot v0.9.6 release

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date: 2024-01-12T10:13:37
master commit: ba792d576a49a0899b88a753fa1c52956bedf9e6
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FrogAi
2024-01-12 22:39:28 -07:00
commit 08e9fb1edc
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selfdrive/car/gm/__init__.py Normal file
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selfdrive/car/gm/carcontroller.py Normal file
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from cereal import car
from openpilot.common.conversions import Conversions as CV
from openpilot.common.numpy_fast import interp
from openpilot.common.realtime import DT_CTRL
from opendbc.can.packer import CANPacker
from openpilot.selfdrive.car import apply_driver_steer_torque_limits
from openpilot.selfdrive.car.gm import gmcan
from openpilot.selfdrive.car.gm.values import DBC, CanBus, CarControllerParams, CruiseButtons
VisualAlert = car.CarControl.HUDControl.VisualAlert
NetworkLocation = car.CarParams.NetworkLocation
LongCtrlState = car.CarControl.Actuators.LongControlState
# Camera cancels up to 0.1s after brake is pressed, ECM allows 0.5s
CAMERA_CANCEL_DELAY_FRAMES = 10
# Enforce a minimum interval between steering messages to avoid a fault
MIN_STEER_MSG_INTERVAL_MS = 15
class CarController:
def __init__(self, dbc_name, CP, VM):
self.CP = CP
self.start_time = 0.
self.apply_steer_last = 0
self.apply_gas = 0
self.apply_brake = 0
self.frame = 0
self.last_steer_frame = 0
self.last_button_frame = 0
self.cancel_counter = 0
self.lka_steering_cmd_counter = 0
self.lka_icon_status_last = (False, False)
self.params = CarControllerParams(self.CP)
self.packer_pt = CANPacker(DBC[self.CP.carFingerprint]['pt'])
self.packer_obj = CANPacker(DBC[self.CP.carFingerprint]['radar'])
self.packer_ch = CANPacker(DBC[self.CP.carFingerprint]['chassis'])
def update(self, CC, CS, now_nanos):
actuators = CC.actuators
hud_control = CC.hudControl
hud_alert = hud_control.visualAlert
hud_v_cruise = hud_control.setSpeed
if hud_v_cruise > 70:
hud_v_cruise = 0
# Send CAN commands.
can_sends = []
# Steering (Active: 50Hz, inactive: 10Hz)
steer_step = self.params.STEER_STEP if CC.latActive else self.params.INACTIVE_STEER_STEP
if self.CP.networkLocation == NetworkLocation.fwdCamera:
# Also send at 50Hz:
# - on startup, first few msgs are blocked
# - until we're in sync with camera so counters align when relay closes, preventing a fault.
# openpilot can subtly drift, so this is activated throughout a drive to stay synced
out_of_sync = self.lka_steering_cmd_counter % 4 != (CS.cam_lka_steering_cmd_counter + 1) % 4
if CS.loopback_lka_steering_cmd_ts_nanos == 0 or out_of_sync:
steer_step = self.params.STEER_STEP
self.lka_steering_cmd_counter += 1 if CS.loopback_lka_steering_cmd_updated else 0
# Avoid GM EPS faults when transmitting messages too close together: skip this transmit if we
# received the ASCMLKASteeringCmd loopback confirmation too recently
last_lka_steer_msg_ms = (now_nanos - CS.loopback_lka_steering_cmd_ts_nanos) * 1e-6
if (self.frame - self.last_steer_frame) >= steer_step and last_lka_steer_msg_ms > MIN_STEER_MSG_INTERVAL_MS:
# Initialize ASCMLKASteeringCmd counter using the camera until we get a msg on the bus
if CS.loopback_lka_steering_cmd_ts_nanos == 0:
self.lka_steering_cmd_counter = CS.pt_lka_steering_cmd_counter + 1
if CC.latActive:
new_steer = int(round(actuators.steer * self.params.STEER_MAX))
apply_steer = apply_driver_steer_torque_limits(new_steer, self.apply_steer_last, CS.out.steeringTorque, self.params)
else:
apply_steer = 0
self.last_steer_frame = self.frame
self.apply_steer_last = apply_steer
idx = self.lka_steering_cmd_counter % 4
can_sends.append(gmcan.create_steering_control(self.packer_pt, CanBus.POWERTRAIN, apply_steer, idx, CC.latActive))
if self.CP.openpilotLongitudinalControl:
# Gas/regen, brakes, and UI commands - all at 25Hz
if self.frame % 4 == 0:
stopping = actuators.longControlState == LongCtrlState.stopping
if not CC.longActive:
# ASCM sends max regen when not enabled
self.apply_gas = self.params.INACTIVE_REGEN
self.apply_brake = 0
else:
self.apply_gas = int(round(interp(actuators.accel, self.params.GAS_LOOKUP_BP, self.params.GAS_LOOKUP_V)))
self.apply_brake = int(round(interp(actuators.accel, self.params.BRAKE_LOOKUP_BP, self.params.BRAKE_LOOKUP_V)))
# Don't allow any gas above inactive regen while stopping
# FIXME: brakes aren't applied immediately when enabling at a stop
if stopping:
self.apply_gas = self.params.INACTIVE_REGEN
idx = (self.frame // 4) % 4
at_full_stop = CC.longActive and CS.out.standstill
near_stop = CC.longActive and (CS.out.vEgo < self.params.NEAR_STOP_BRAKE_PHASE)
friction_brake_bus = CanBus.CHASSIS
# GM Camera exceptions
# TODO: can we always check the longControlState?
if self.CP.networkLocation == NetworkLocation.fwdCamera:
at_full_stop = at_full_stop and stopping
friction_brake_bus = CanBus.POWERTRAIN
# GasRegenCmdActive needs to be 1 to avoid cruise faults. It describes the ACC state, not actuation
can_sends.append(gmcan.create_gas_regen_command(self.packer_pt, CanBus.POWERTRAIN, self.apply_gas, idx, CC.enabled, at_full_stop))
can_sends.append(gmcan.create_friction_brake_command(self.packer_ch, friction_brake_bus, self.apply_brake,
idx, CC.enabled, near_stop, at_full_stop, self.CP))
# Send dashboard UI commands (ACC status)
send_fcw = hud_alert == VisualAlert.fcw
can_sends.append(gmcan.create_acc_dashboard_command(self.packer_pt, CanBus.POWERTRAIN, CC.enabled,
hud_v_cruise * CV.MS_TO_KPH, hud_control.leadVisible, send_fcw))
# Radar needs to know current speed and yaw rate (50hz),
# and that ADAS is alive (10hz)
if not self.CP.radarUnavailable:
tt = self.frame * DT_CTRL
time_and_headlights_step = 10
if self.frame % time_and_headlights_step == 0:
idx = (self.frame // time_and_headlights_step) % 4
can_sends.append(gmcan.create_adas_time_status(CanBus.OBSTACLE, int((tt - self.start_time) * 60), idx))
can_sends.append(gmcan.create_adas_headlights_status(self.packer_obj, CanBus.OBSTACLE))
speed_and_accelerometer_step = 2
if self.frame % speed_and_accelerometer_step == 0:
idx = (self.frame // speed_and_accelerometer_step) % 4
can_sends.append(gmcan.create_adas_steering_status(CanBus.OBSTACLE, idx))
can_sends.append(gmcan.create_adas_accelerometer_speed_status(CanBus.OBSTACLE, CS.out.vEgo, idx))
if self.CP.networkLocation == NetworkLocation.gateway and self.frame % self.params.ADAS_KEEPALIVE_STEP == 0:
can_sends += gmcan.create_adas_keepalive(CanBus.POWERTRAIN)
else:
# While car is braking, cancel button causes ECM to enter a soft disable state with a fault status.
# A delayed cancellation allows camera to cancel and avoids a fault when user depresses brake quickly
self.cancel_counter = self.cancel_counter + 1 if CC.cruiseControl.cancel else 0
# Stock longitudinal, integrated at camera
if (self.frame - self.last_button_frame) * DT_CTRL > 0.04:
if self.cancel_counter > CAMERA_CANCEL_DELAY_FRAMES:
self.last_button_frame = self.frame
can_sends.append(gmcan.create_buttons(self.packer_pt, CanBus.CAMERA, CS.buttons_counter, CruiseButtons.CANCEL))
if self.CP.networkLocation == NetworkLocation.fwdCamera:
# Silence "Take Steering" alert sent by camera, forward PSCMStatus with HandsOffSWlDetectionStatus=1
if self.frame % 10 == 0:
can_sends.append(gmcan.create_pscm_status(self.packer_pt, CanBus.CAMERA, CS.pscm_status))
new_actuators = actuators.copy()
new_actuators.steer = self.apply_steer_last / self.params.STEER_MAX
new_actuators.steerOutputCan = self.apply_steer_last
new_actuators.gas = self.apply_gas
new_actuators.brake = self.apply_brake
self.frame += 1
return new_actuators, can_sends

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selfdrive/car/gm/carstate.py Normal file
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import copy
from cereal import car
from openpilot.common.conversions import Conversions as CV
from openpilot.common.numpy_fast import mean
from opendbc.can.can_define import CANDefine
from opendbc.can.parser import CANParser
from openpilot.selfdrive.car.interfaces import CarStateBase
from openpilot.selfdrive.car.gm.values import DBC, AccState, CanBus, STEER_THRESHOLD
TransmissionType = car.CarParams.TransmissionType
NetworkLocation = car.CarParams.NetworkLocation
STANDSTILL_THRESHOLD = 10 * 0.0311 * CV.KPH_TO_MS
class CarState(CarStateBase):
def __init__(self, CP):
super().__init__(CP)
can_define = CANDefine(DBC[CP.carFingerprint]["pt"])
self.shifter_values = can_define.dv["ECMPRDNL2"]["PRNDL2"]
self.cluster_speed_hyst_gap = CV.KPH_TO_MS / 2.
self.cluster_min_speed = CV.KPH_TO_MS / 2.
self.loopback_lka_steering_cmd_updated = False
self.loopback_lka_steering_cmd_ts_nanos = 0
self.pt_lka_steering_cmd_counter = 0
self.cam_lka_steering_cmd_counter = 0
self.buttons_counter = 0
def update(self, pt_cp, cam_cp, loopback_cp):
ret = car.CarState.new_message()
self.prev_cruise_buttons = self.cruise_buttons
self.cruise_buttons = pt_cp.vl["ASCMSteeringButton"]["ACCButtons"]
self.buttons_counter = pt_cp.vl["ASCMSteeringButton"]["RollingCounter"]
self.pscm_status = copy.copy(pt_cp.vl["PSCMStatus"])
self.moving_backward = pt_cp.vl["EBCMWheelSpdRear"]["MovingBackward"] != 0
# Variables used for avoiding LKAS faults
self.loopback_lka_steering_cmd_updated = len(loopback_cp.vl_all["ASCMLKASteeringCmd"]["RollingCounter"]) > 0
if self.loopback_lka_steering_cmd_updated:
self.loopback_lka_steering_cmd_ts_nanos = loopback_cp.ts_nanos["ASCMLKASteeringCmd"]["RollingCounter"]
if self.CP.networkLocation == NetworkLocation.fwdCamera:
self.pt_lka_steering_cmd_counter = pt_cp.vl["ASCMLKASteeringCmd"]["RollingCounter"]
self.cam_lka_steering_cmd_counter = cam_cp.vl["ASCMLKASteeringCmd"]["RollingCounter"]
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)
# sample rear wheel speeds, standstill=True if ECM allows engagement with brake
ret.standstill = ret.wheelSpeeds.rl <= STANDSTILL_THRESHOLD and ret.wheelSpeeds.rr <= STANDSTILL_THRESHOLD
if pt_cp.vl["ECMPRDNL2"]["ManualMode"] == 1:
ret.gearShifter = self.parse_gear_shifter("T")
else:
ret.gearShifter = self.parse_gear_shifter(self.shifter_values.get(pt_cp.vl["ECMPRDNL2"]["PRNDL2"], None))
ret.brake = pt_cp.vl["ECMAcceleratorPos"]["BrakePedalPos"]
if self.CP.networkLocation == NetworkLocation.fwdCamera:
ret.brakePressed = pt_cp.vl["ECMEngineStatus"]["BrakePressed"] != 0
else:
# Some Volt 2016-17 have loose brake pedal push rod retainers which causes the ECM to believe
# that the brake is being intermittently pressed without user interaction.
# To avoid a cruise fault we need to use a conservative brake position threshold
# https://static.nhtsa.gov/odi/tsbs/2017/MC-10137629-9999.pdf
ret.brakePressed = ret.brake >= 8
# Regen braking is braking
if self.CP.transmissionType == TransmissionType.direct:
ret.regenBraking = pt_cp.vl["EBCMRegenPaddle"]["RegenPaddle"] != 0
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
# 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["BCMGeneralPlatformStatus"]["ParkBrakeSwActive"] == 1
ret.cruiseState.available = pt_cp.vl["ECMEngineStatus"]["CruiseMainOn"] != 0
ret.espDisabled = pt_cp.vl["ESPStatus"]["TractionControlOn"] != 1
ret.accFaulted = (pt_cp.vl["AcceleratorPedal2"]["CruiseState"] == AccState.FAULTED or
pt_cp.vl["EBCMFrictionBrakeStatus"]["FrictionBrakeUnavailable"] == 1)
ret.cruiseState.enabled = pt_cp.vl["AcceleratorPedal2"]["CruiseState"] != AccState.OFF
ret.cruiseState.standstill = pt_cp.vl["AcceleratorPedal2"]["CruiseState"] == AccState.STANDSTILL
if self.CP.networkLocation == NetworkLocation.fwdCamera:
ret.cruiseState.speed = cam_cp.vl["ASCMActiveCruiseControlStatus"]["ACCSpeedSetpoint"] * CV.KPH_TO_MS
ret.stockAeb = cam_cp.vl["AEBCmd"]["AEBCmdActive"] != 0
# openpilot controls nonAdaptive when not pcmCruise
if self.CP.pcmCruise:
ret.cruiseState.nonAdaptive = cam_cp.vl["ASCMActiveCruiseControlStatus"]["ACCCruiseState"] not in (2, 3)
return ret
@staticmethod
def get_cam_can_parser(CP):
messages = []
if CP.networkLocation == NetworkLocation.fwdCamera:
messages += [
("AEBCmd", 10),
("ASCMLKASteeringCmd", 10),
("ASCMActiveCruiseControlStatus", 25),
]
return CANParser(DBC[CP.carFingerprint]["pt"], messages, CanBus.CAMERA)
@staticmethod
def get_can_parser(CP):
messages = [
("BCMTurnSignals", 1),
("ECMPRDNL2", 10),
("PSCMStatus", 10),
("ESPStatus", 10),
("BCMDoorBeltStatus", 10),
("BCMGeneralPlatformStatus", 10),
("EBCMWheelSpdFront", 20),
("EBCMWheelSpdRear", 20),
("EBCMFrictionBrakeStatus", 20),
("AcceleratorPedal2", 33),
("ASCMSteeringButton", 33),
("ECMEngineStatus", 100),
("PSCMSteeringAngle", 100),
("ECMAcceleratorPos", 80),
]
# Used to read back last counter sent to PT by camera
if CP.networkLocation == NetworkLocation.fwdCamera:
messages += [
("ASCMLKASteeringCmd", 0),
]
if CP.transmissionType == TransmissionType.direct:
messages.append(("EBCMRegenPaddle", 50))
return CANParser(DBC[CP.carFingerprint]["pt"], messages, CanBus.POWERTRAIN)
@staticmethod
def get_loopback_can_parser(CP):
messages = [
("ASCMLKASteeringCmd", 0),
]
return CANParser(DBC[CP.carFingerprint]["pt"], messages, CanBus.LOOPBACK)

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selfdrive/car/gm/fingerprints.py Normal file
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# ruff: noqa: E501
from openpilot.selfdrive.car.gm.values import CAR
# Trailblazer also matches as a SILVERADO, TODO: split with fw verisions
FINGERPRINTS = {
CAR.HOLDEN_ASTRA: [{
190: 8, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 8, 241: 6, 249: 8, 288: 5, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 393: 8, 398: 8, 401: 8, 413: 8, 417: 8, 419: 8, 422: 1, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 8, 455: 7, 456: 8, 458: 5, 479: 8, 481: 7, 485: 8, 489: 8, 497: 8, 499: 3, 500: 8, 501: 8, 508: 8, 528: 5, 532: 6, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 567: 5, 647: 5, 707: 8, 715: 8, 723: 8, 753: 5, 761: 7, 806: 1, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 961: 8, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1009: 8, 1011: 6, 1017: 8, 1019: 3, 1020: 8, 1105: 6, 1217: 8, 1221: 5, 1225: 8, 1233: 8, 1249: 8, 1257: 6, 1259: 8, 1261: 7, 1263: 4, 1265: 8, 1267: 8, 1280: 4, 1300: 8, 1328: 4, 1417: 8, 1906: 7, 1907: 7, 1908: 7, 1912: 7, 1919: 7
}],
CAR.VOLT: [{
170: 8, 171: 8, 189: 7, 190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 2, 241: 6, 288: 5, 289: 8, 298: 8, 304: 1, 308: 4, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 389: 2, 390: 7, 417: 7, 419: 1, 426: 7, 451: 8, 452: 8, 453: 6, 454: 8, 456: 8, 479: 3, 481: 7, 485: 8, 489: 8, 493: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 528: 4, 532: 6, 546: 7, 550: 8, 554: 3, 558: 8, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 566: 5, 567: 3, 568: 1, 573: 1, 577: 8, 647: 3, 707: 8, 711: 6, 715: 8, 761: 7, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 961: 8, 969: 8, 977: 8, 979: 7, 988: 6, 989: 8, 995: 7, 1001: 8, 1005: 6, 1009: 8, 1017: 8, 1019: 2, 1020: 8, 1105: 6, 1187: 4, 1217: 8, 1221: 5, 1223: 3, 1225: 7, 1227: 4, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1273: 3, 1275: 3, 1280: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1601: 8, 1905: 7, 1906: 7, 1907: 7, 1910: 7, 1912: 7, 1922: 7, 1927: 7, 1928: 7, 2016: 8, 2020: 8, 2024: 8, 2028: 8
},
{
170: 8, 171: 8, 189: 7, 190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 2, 241: 6, 288: 5, 298: 8, 304: 1, 308: 4, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 389: 2, 390: 7, 417: 7, 419: 1, 426: 7, 451: 8, 452: 8, 453: 6, 454: 8, 456: 8, 479: 3, 481: 7, 485: 8, 489: 8, 493: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 528: 4, 532: 6, 546: 7, 550: 8, 554: 3, 558: 8, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 566: 5, 567: 3, 568: 1, 573: 1, 577: 8, 578: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 3, 707: 8, 711: 6, 715: 8, 717: 5, 761: 7, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 961: 8, 967: 4, 969: 8, 977: 8, 979: 7, 988: 6, 989: 8, 995: 7, 1001: 8, 1005: 6, 1009: 8, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1187: 4, 1217: 8, 1221: 5, 1223: 3, 1225: 7, 1227: 4, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1273: 3, 1275: 3, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1516: 8, 1601: 8, 1618: 8, 1905: 7, 1906: 7, 1907: 7, 1910: 7, 1912: 7, 1922: 7, 1927: 7, 1930: 7, 2016: 8, 2018: 8, 2020: 8, 2024: 8, 2028: 8
},
{
170: 8, 171: 8, 189: 7, 190: 6, 192: 5, 193: 8, 197: 8, 199: 4, 201: 6, 209: 7, 211: 2, 241: 6, 288: 5, 289: 1, 290: 1, 298: 2, 304: 1, 308: 4, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 368: 8, 381: 2, 384: 8, 386: 5, 388: 8, 389: 2, 390: 7, 417: 7, 419: 1, 426: 7, 451: 8, 452: 8, 453: 6, 454: 8, 456: 8, 458: 8, 479: 3, 481: 7, 485: 8, 489: 5, 493: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 3, 508: 8, 512: 3, 528: 4, 530: 8, 532: 6, 537: 5, 539: 8, 542: 7, 546: 7, 550: 8, 554: 3, 558: 8, 560: 6, 562: 4, 563: 5, 564: 5, 565: 5, 566: 5, 567: 3, 568: 1, 573: 1, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 3, 707: 8, 711: 6, 761: 7, 810: 8, 821: 4, 823: 7, 832: 8, 840: 5, 842: 5, 844: 8, 853: 8, 866: 4, 961: 8, 967: 4, 969: 8, 977: 8, 979: 7, 988: 6, 989: 8, 995: 7, 1001: 5, 1003: 5, 1005: 6, 1009: 8, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1187: 4, 1217: 8, 1221: 5, 1223: 3, 1225: 7, 1227: 4, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1273: 3, 1275: 3, 1280: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1905: 7, 1906: 7, 1907: 7, 1910: 7, 1912: 7, 1922: 7, 1927: 7
}],
CAR.BUICK_LACROSSE: [{
190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 2, 241: 6, 249: 8, 288: 5, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 322: 7, 328: 1, 352: 5, 353: 3, 381: 6, 386: 8, 388: 8, 393: 7, 398: 8, 407: 7, 413: 8, 417: 7, 419: 1, 422: 4, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 6, 455: 7, 456: 8, 463: 3, 479: 3, 481: 7, 485: 8, 487: 8, 489: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 8, 503: 1, 508: 8, 510: 8, 528: 5, 532: 6, 534: 2, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 567: 5, 573: 1, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 5, 707: 8, 753: 5, 761: 7, 801: 8, 804: 3, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 872: 1, 882: 8, 890: 1, 892: 2, 893: 1, 894: 1, 961: 8, 967: 4, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1005: 6, 1009: 8, 1011: 6, 1013: 3, 1017: 8, 1019: 2, 1020: 8, 1022: 1, 1105: 6, 1217: 8, 1221: 5, 1223: 2, 1225: 7, 1233: 8, 1243: 3, 1249: 8, 1257: 6, 1259: 8, 1261: 7, 1263: 4, 1265: 8, 1267: 1, 1280: 4, 1300: 8, 1322: 6, 1328: 4, 1417: 8, 1609: 8, 1613: 8, 1649: 8, 1792: 8, 1798: 8, 1824: 8, 1825: 8, 1840: 8, 1842: 8, 1858: 8, 1860: 8, 1863: 8, 1872: 8, 1875: 8, 1882: 8, 1888: 8, 1889: 8, 1892: 8, 1904: 7, 1906: 7, 1907: 7, 1912: 7, 1913: 7, 1914: 7, 1916: 7, 1918: 7, 1919: 7, 1937: 8, 1953: 8, 1968: 8, 2001: 8, 2017: 8, 2018: 8, 2020: 8, 2026: 8
}],
CAR.BUICK_REGAL: [{
190: 8, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 8, 241: 6, 249: 8, 288: 5, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 322: 7, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 393: 7, 398: 8, 407: 7, 413: 8, 417: 8, 419: 8, 422: 4, 426: 8, 431: 8, 442: 8, 451: 8, 452: 8, 453: 8, 455: 7, 456: 8, 463: 3, 479: 8, 481: 7, 485: 8, 487: 8, 489: 8, 495: 8, 497: 8, 499: 3, 500: 8, 501: 8, 508: 8, 528: 5, 532: 6, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 567: 5, 569: 3, 573: 1, 577: 8, 578: 8, 579: 8, 587: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 3, 707: 8, 715: 8, 717: 5, 753: 5, 761: 7, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 882: 8, 884: 8, 890: 1, 892: 2, 893: 2, 894: 1, 961: 8, 967: 8, 969: 8, 977: 8, 979: 8, 985: 8, 1001: 8, 1005: 6, 1009: 8, 1011: 8, 1013: 3, 1017: 8, 1020: 8, 1024: 8, 1025: 8, 1026: 8, 1027: 8, 1028: 8, 1029: 8, 1030: 8, 1031: 8, 1032: 2, 1033: 7, 1034: 7, 1105: 6, 1217: 8, 1221: 5, 1223: 8, 1225: 7, 1233: 8, 1249: 8, 1257: 6, 1259: 8, 1261: 8, 1263: 8, 1265: 8, 1267: 8, 1271: 8, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1328: 4, 1417: 8, 1601: 8, 1602: 8, 1603: 7, 1611: 8, 1618: 8, 1906: 8, 1907: 7, 1912: 7, 1914: 7, 1916: 7, 1919: 7, 1930: 7, 2016: 8, 2018: 8, 2019: 8, 2024: 8, 2026: 8
}],
CAR.CADILLAC_ATS: [{
190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 2, 241: 6, 249: 8, 288: 5, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 322: 7, 328: 1, 352: 5, 368: 3, 381: 6, 384: 4, 386: 8, 388: 8, 393: 7, 398: 8, 401: 8, 407: 7, 413: 8, 417: 7, 419: 1, 422: 4, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 6, 455: 7, 456: 8, 462: 4, 479: 3, 481: 7, 485: 8, 487: 8, 489: 8, 491: 2, 493: 8, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 510: 8, 528: 5, 532: 6, 534: 2, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 567: 5, 573: 1, 577: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 6, 707: 8, 715: 8, 717: 5, 719: 5, 723: 2, 753: 5, 761: 7, 801: 8, 804: 3, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 882: 8, 890: 1, 892: 2, 893: 2, 894: 1, 961: 8, 967: 4, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1005: 6, 1009: 8, 1011: 6, 1013: 3, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1217: 8, 1221: 5, 1223: 3, 1225: 7, 1233: 8, 1241: 3, 1249: 8, 1257: 6, 1259: 8, 1261: 7, 1263: 4, 1265: 8, 1267: 1, 1271: 8, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1601: 8, 1904: 7, 1906: 7, 1907: 7, 1912: 7, 1916: 7, 1917: 7, 1918: 7, 1919: 7, 1920: 7, 1930: 7, 2016: 8, 2024: 8
}],
CAR.MALIBU: [{
190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 2, 241: 6, 249: 8, 288: 5, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 393: 7, 398: 8, 407: 7, 413: 8, 417: 7, 419: 1, 422: 4, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 6, 455: 7, 456: 8, 479: 3, 481: 7, 485: 8, 487: 8, 489: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 510: 8, 528: 5, 532: 6, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 567: 5, 573: 1, 577: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 6, 707: 8, 715: 8, 717: 5, 753: 5, 761: 7, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 961: 8, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1005: 6, 1009: 8, 1013: 3, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1217: 8, 1221: 5, 1223: 2, 1225: 7, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1601: 8, 1906: 7, 1907: 7, 1912: 7, 1919: 7, 1930: 7, 2016: 8, 2024: 8
}],
CAR.ACADIA: [{
190: 6, 192: 5, 193: 8, 197: 8, 199: 4, 201: 6, 208: 8, 209: 7, 211: 2, 241: 6, 249: 8, 288: 5, 289: 1, 290: 1, 298: 8, 304: 8, 309: 8, 313: 8, 320: 8, 322: 7, 328: 1, 352: 7, 368: 8, 381: 8, 384: 8, 386: 8, 388: 8, 393: 8, 398: 8, 413: 8, 417: 7, 419: 1, 422: 4, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 6, 454: 8, 455: 7, 458: 8, 460: 4, 462: 4, 463: 3, 479: 3, 481: 7, 485: 8, 489: 5, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 510: 8, 512: 3, 530: 8, 532: 6, 534: 2, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 567: 5, 568: 2, 573: 1, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 6, 707: 8, 715: 8, 717: 5, 753: 5, 761: 7, 789: 5, 800: 6, 801: 8, 803: 8, 804: 3, 805: 8, 832: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 961: 8, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1003: 5, 1005: 6, 1009: 8, 1017: 8, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1217: 8, 1221: 5, 1225: 8, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1328: 4, 1417: 8, 1906: 7, 1907: 7, 1912: 7, 1914: 7, 1918: 7, 1919: 7, 1920: 7, 1930: 7
},
{
190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 208: 8, 209: 7, 211: 2, 241: 6, 249: 8, 288: 5, 289: 8, 298: 8, 304: 1, 309: 8, 313: 8, 320: 3, 322: 7, 328: 1, 338: 6, 340: 6, 352: 5, 381: 8, 384: 4, 386: 8, 388: 8, 393: 8, 398: 8, 413: 8, 417: 7, 419: 1, 422: 4, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 6, 454: 8, 455: 7, 462: 4, 463: 3, 479: 3, 481: 7, 485: 8, 489: 8, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 510: 8, 532: 6, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 567: 5, 573: 1, 577: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 6, 707: 8, 715: 8, 717: 5, 753: 5, 761: 7, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 961: 8, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1005: 6, 1009: 8, 1017: 8, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1217: 8, 1221: 5, 1225: 8, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1328: 4, 1417: 8, 1601: 8, 1906: 7, 1907: 7, 1912: 7, 1914: 7, 1919: 7, 1920: 7, 1930: 7, 2016: 8, 2024: 8
}],
CAR.ESCALADE: [{
170: 8, 190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 208: 8, 209: 7, 211: 2, 241: 6, 249: 8, 288: 5, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 322: 7, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 393: 7, 398: 8, 407: 4, 413: 8, 417: 7, 419: 1, 422: 4, 426: 7, 431: 8, 442: 8, 451: 8, 452: 8, 453: 6, 454: 8, 455: 7, 460: 5, 462: 4, 463: 3, 479: 3, 481: 7, 485: 8, 487: 8, 489: 8, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 510: 8, 532: 6, 534: 2, 554: 3, 560: 8, 562: 8, 563: 5, 564: 5, 573: 1, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 6, 707: 8, 715: 8, 717: 5, 719: 5, 761: 7, 801: 8, 804: 3, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 961: 8, 967: 4, 969: 8, 977: 8, 979: 8, 985: 5, 1001: 8, 1005: 6, 1009: 8, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1217: 8, 1221: 5, 1223: 2, 1225: 7, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1609: 8, 1613: 8, 1649: 8, 1792: 8, 1798: 8, 1824: 8, 1825: 8, 1840: 8, 1842: 8, 1858: 8, 1860: 8, 1863: 8, 1872: 8, 1875: 8, 1882: 8, 1888: 8, 1889: 8, 1892: 8, 1906: 7, 1907: 7, 1912: 7, 1914: 7, 1917: 7, 1918: 7, 1919: 7, 1920: 7, 1930: 7, 1937: 8, 1953: 8, 1968: 8, 2001: 8, 2017: 8, 2018: 8, 2020: 8, 2026: 8
}],
CAR.ESCALADE_ESV: [{
309: 1, 848: 8, 849: 8, 850: 8, 851: 8, 852: 8, 853: 8, 854: 3, 1056: 6, 1057: 8, 1058: 8, 1059: 8, 1060: 8, 1061: 8, 1062: 8, 1063: 8, 1064: 8, 1065: 8, 1066: 8, 1067: 8, 1068: 8, 1120: 8, 1121: 8, 1122: 8, 1123: 8, 1124: 8, 1125: 8, 1126: 8, 1127: 8, 1128: 8, 1129: 8, 1130: 8, 1131: 8, 1132: 8, 1133: 8, 1134: 8, 1135: 8, 1136: 8, 1137: 8, 1138: 8, 1139: 8, 1140: 8, 1141: 8, 1142: 8, 1143: 8, 1146: 8, 1147: 8, 1148: 8, 1149: 8, 1150: 8, 1151: 8, 1216: 8, 1217: 8, 1218: 8, 1219: 8, 1220: 8, 1221: 8, 1222: 8, 1223: 8, 1224: 8, 1225: 8, 1226: 8, 1232: 8, 1233: 8, 1234: 8, 1235: 8, 1236: 8, 1237: 8, 1238: 8, 1239: 8, 1240: 8, 1241: 8, 1242: 8, 1787: 8, 1788: 8
}],
CAR.ESCALADE_ESV_2019: [{
715: 8, 840: 5, 717: 5, 869: 4, 880: 6, 289: 8, 454: 8, 842: 5, 460: 5, 463: 3, 801: 8, 170: 8, 190: 6, 241: 6, 201: 8, 417: 7, 211: 2, 419: 1, 398: 8, 426: 7, 487: 8, 442: 8, 451: 8, 452: 8, 453: 6, 479: 3, 311: 8, 500: 6, 647: 6, 193: 8, 707: 8, 197: 8, 209: 7, 199: 4, 455: 7, 313: 8, 481: 7, 485: 8, 489: 8, 249: 8, 393: 7, 407: 7, 413: 8, 422: 4, 431: 8, 501: 8, 499: 3, 810: 8, 508: 8, 381: 8, 462: 4, 532: 6, 562: 8, 386: 8, 761: 7, 573: 1, 554: 3, 719: 5, 560: 8, 1279: 4, 388: 8, 288: 5, 1005: 6, 497: 8, 844: 8, 961: 8, 967: 4, 977: 8, 979: 8, 985: 5, 1001: 8, 1017: 8, 1019: 2, 1020: 8, 1217: 8, 510: 8, 866: 4, 304: 1, 969: 8, 384: 4, 1033: 7, 1009: 8, 1034: 7, 1296: 4, 1930: 7, 1105: 5, 1013: 5, 1225: 7, 1919: 7, 320: 3, 534: 2, 352: 5, 298: 8, 1223: 2, 1233: 8, 608: 8, 1265: 8, 609: 6, 1267: 1, 1417: 8, 610: 6, 1906: 7, 611: 6, 612: 8, 613: 8, 208: 8, 564: 5, 309: 8, 1221: 5, 1280: 4, 1249: 8, 1907: 7, 1257: 6, 1300: 8, 1920: 7, 563: 5, 1322: 6, 1323: 4, 1328: 4, 1917: 7, 328: 1, 1912: 7, 1914: 7, 804: 3, 1918: 7
}],
CAR.BOLT_EUV: [{
189: 7, 190: 7, 193: 8, 197: 8, 201: 8, 209: 7, 211: 3, 241: 6, 257: 8, 288: 5, 289: 8, 298: 8, 304: 3, 309: 8, 311: 8, 313: 8, 320: 4, 322: 7, 328: 1, 352: 5, 381: 8, 384: 4, 386: 8, 388: 8, 451: 8, 452: 8, 453: 6, 458: 5, 463: 3, 479: 3, 481: 7, 485: 8, 489: 8, 497: 8, 500: 6, 501: 8, 528: 5, 532: 6, 560: 8, 562: 8, 563: 5, 565: 5, 566: 8, 587: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 707: 8, 715: 8, 717: 5, 753: 5, 761: 7, 789: 5, 800: 6, 810: 8, 840: 5, 842: 5, 844: 8, 848: 4, 869: 4, 880: 6, 977: 8, 1001: 8, 1017: 8, 1020: 8, 1217: 8, 1221: 5, 1233: 8, 1249: 8, 1265: 8, 1280: 4, 1296: 4, 1300: 8, 1611: 8, 1930: 7
}],
CAR.SILVERADO: [{
190: 6, 193: 8, 197: 8, 201: 8, 208: 8, 209: 7, 211: 2, 241: 6, 249: 8, 257: 8, 288: 5, 289: 8, 298: 8, 304: 3, 309: 8, 311: 8, 313: 8, 320: 4, 322: 7, 328: 1, 352: 5, 381: 8, 384: 4, 386: 8, 388: 8, 413: 8, 451: 8, 452: 8, 453: 6, 455: 7, 460: 5, 463: 3, 479: 3, 481: 7, 485: 8, 489: 8, 497: 8, 500: 6, 501: 8, 528: 5, 532: 6, 534: 2, 560: 8, 562: 8, 563: 5, 565: 5, 587: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 707: 8, 715: 8, 717: 5, 761: 7, 789: 5, 800: 6, 801: 8, 810: 8, 840: 5, 842: 5, 844: 8, 848: 4, 869: 4, 880: 6, 977: 8, 1001: 8, 1011: 6, 1017: 8, 1020: 8, 1033: 7, 1034: 7, 1217: 8, 1221: 5, 1233: 8, 1249: 8, 1259: 8, 1261: 7, 1263: 4, 1265: 8, 1267: 1, 1271: 8, 1280: 4, 1296: 4, 1300: 8, 1611: 8, 1930: 7
}],
CAR.EQUINOX: [{
190: 6, 193: 8, 197: 8, 201: 8, 209: 7, 211: 2, 241: 6, 249: 8, 257: 8, 288: 5, 289: 8, 298: 8, 304: 1, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 381: 8, 384: 4, 386: 8, 388: 8, 413: 8, 451: 8, 452: 8, 453: 6, 455: 7, 463: 3, 479: 3, 481: 7, 485: 8, 489: 8, 497: 8, 500: 6, 501: 8, 510: 8, 528: 5, 532: 6, 560: 8, 562: 8, 563: 5, 565: 5, 587: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 707: 8, 715: 8, 717: 5, 753: 5, 761: 7, 789: 5, 800: 6, 810: 8, 840: 5, 842: 5, 844: 8, 869: 4, 880: 6, 977: 8, 1001: 8, 1011: 6, 1017: 8, 1020: 8, 1033: 7, 1034: 7, 1217: 8, 1221: 5, 1233: 8, 1249: 8, 1259: 8, 1261: 7, 1263: 4, 1265: 8, 1267: 1, 1271: 8, 1280: 4, 1296: 4, 1300: 8, 1611: 8, 1930: 7
}],
}

173
selfdrive/car/gm/gmcan.py Normal file
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@@ -0,0 +1,173 @@
from openpilot.selfdrive.car import make_can_msg
from openpilot.selfdrive.car.gm.values import CAR
def create_buttons(packer, bus, idx, button):
values = {
"ACCButtons": button,
"RollingCounter": idx,
"ACCAlwaysOne": 1,
"DistanceButton": 0,
}
checksum = 240 + int(values["ACCAlwaysOne"] * 0xf)
checksum += values["RollingCounter"] * (0x4ef if values["ACCAlwaysOne"] != 0 else 0x3f0)
checksum -= int(values["ACCButtons"] - 1) << 4 # not correct if value is 0
checksum -= 2 * values["DistanceButton"]
values["SteeringButtonChecksum"] = checksum
return packer.make_can_msg("ASCMSteeringButton", bus, values)
def create_pscm_status(packer, bus, pscm_status):
values = {s: pscm_status[s] for s in [
"HandsOffSWDetectionMode",
"HandsOffSWlDetectionStatus",
"LKATorqueDeliveredStatus",
"LKADriverAppldTrq",
"LKATorqueDelivered",
"LKATotalTorqueDelivered",
"RollingCounter",
"PSCMStatusChecksum",
]}
checksum_mod = int(1 - values["HandsOffSWlDetectionStatus"]) << 5
values["HandsOffSWlDetectionStatus"] = 1
values["PSCMStatusChecksum"] += checksum_mod
return packer.make_can_msg("PSCMStatus", bus, values)
def create_steering_control(packer, bus, apply_steer, idx, lkas_active):
values = {
"LKASteeringCmdActive": lkas_active,
"LKASteeringCmd": apply_steer,
"RollingCounter": idx,
"LKASteeringCmdChecksum": 0x1000 - (lkas_active << 11) - (apply_steer & 0x7ff) - idx
}
return packer.make_can_msg("ASCMLKASteeringCmd", bus, values)
def create_adas_keepalive(bus):
dat = b"\x00\x00\x00\x00\x00\x00\x00"
return [make_can_msg(0x409, dat, bus), make_can_msg(0x40a, dat, bus)]
def create_gas_regen_command(packer, bus, throttle, idx, enabled, at_full_stop):
values = {
"GasRegenCmdActive": enabled,
"RollingCounter": idx,
"GasRegenCmdActiveInv": 1 - enabled,
"GasRegenCmd": throttle,
"GasRegenFullStopActive": at_full_stop,
"GasRegenAlwaysOne": 1,
"GasRegenAlwaysOne2": 1,
"GasRegenAlwaysOne3": 1,
}
dat = packer.make_can_msg("ASCMGasRegenCmd", bus, values)[2]
values["GasRegenChecksum"] = (((0xff - dat[1]) & 0xff) << 16) | \
(((0xff - dat[2]) & 0xff) << 8) | \
((0x100 - dat[3] - idx) & 0xff)
return packer.make_can_msg("ASCMGasRegenCmd", bus, values)
def create_friction_brake_command(packer, bus, apply_brake, idx, enabled, near_stop, at_full_stop, CP):
mode = 0x1
# TODO: Understand this better. Volts and ICE Camera ACC cars are 0x1 when enabled with no brake
if enabled and CP.carFingerprint in (CAR.BOLT_EUV,):
mode = 0x9
if apply_brake > 0:
mode = 0xa
if at_full_stop:
mode = 0xd
# TODO: this is to have GM bringing the car to complete stop,
# but currently it conflicts with OP controls, so turned off. Not set by all cars
#elif near_stop:
# mode = 0xb
brake = (0x1000 - apply_brake) & 0xfff
checksum = (0x10000 - (mode << 12) - brake - idx) & 0xffff
values = {
"RollingCounter": idx,
"FrictionBrakeMode": mode,
"FrictionBrakeChecksum": checksum,
"FrictionBrakeCmd": -apply_brake
}
return packer.make_can_msg("EBCMFrictionBrakeCmd", bus, values)
def create_acc_dashboard_command(packer, bus, enabled, target_speed_kph, lead_car_in_sight, fcw):
target_speed = min(target_speed_kph, 255)
values = {
"ACCAlwaysOne": 1,
"ACCResumeButton": 0,
"ACCSpeedSetpoint": target_speed,
"ACCGapLevel": 3 * enabled, # 3 "far", 0 "inactive"
"ACCCmdActive": enabled,
"ACCAlwaysOne2": 1,
"ACCLeadCar": lead_car_in_sight,
"FCWAlert": 0x3 if fcw else 0
}
return packer.make_can_msg("ASCMActiveCruiseControlStatus", bus, values)
def create_adas_time_status(bus, tt, idx):
dat = [(tt >> 20) & 0xff, (tt >> 12) & 0xff, (tt >> 4) & 0xff,
((tt & 0xf) << 4) + (idx << 2)]
chksum = 0x1000 - dat[0] - dat[1] - dat[2] - dat[3]
chksum = chksum & 0xfff
dat += [0x40 + (chksum >> 8), chksum & 0xff, 0x12]
return make_can_msg(0xa1, bytes(dat), bus)
def create_adas_steering_status(bus, idx):
dat = [idx << 6, 0xf0, 0x20, 0, 0, 0]
chksum = 0x60 + sum(dat)
dat += [chksum >> 8, chksum & 0xff]
return make_can_msg(0x306, bytes(dat), bus)
def create_adas_accelerometer_speed_status(bus, speed_ms, idx):
spd = int(speed_ms * 16) & 0xfff
accel = 0 & 0xfff
# 0 if in park/neutral, 0x10 if in reverse, 0x08 for D/L
#stick = 0x08
near_range_cutoff = 0x27
near_range_mode = 1 if spd <= near_range_cutoff else 0
far_range_mode = 1 - near_range_mode
dat = [0x08, spd >> 4, ((spd & 0xf) << 4) | (accel >> 8), accel & 0xff, 0]
chksum = 0x62 + far_range_mode + (idx << 2) + dat[0] + dat[1] + dat[2] + dat[3] + dat[4]
dat += [(idx << 5) + (far_range_mode << 4) + (near_range_mode << 3) + (chksum >> 8), chksum & 0xff]
return make_can_msg(0x308, bytes(dat), bus)
def create_adas_headlights_status(packer, bus):
values = {
"Always42": 0x42,
"Always4": 0x4,
}
return packer.make_can_msg("ASCMHeadlight", bus, values)
def create_lka_icon_command(bus, active, critical, steer):
if active and steer == 1:
if critical:
dat = b"\x50\xc0\x14"
else:
dat = b"\x50\x40\x18"
elif active:
if critical:
dat = b"\x40\xc0\x14"
else:
dat = b"\x40\x40\x18"
else:
dat = b"\x00\x00\x00"
return make_can_msg(0x104c006c, dat, bus)

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#!/usr/bin/env python3
from cereal import car
from math import fabs, exp
from panda import Panda
from openpilot.common.conversions import Conversions as CV
from openpilot.selfdrive.car import create_button_events, get_safety_config
from openpilot.selfdrive.car.gm.radar_interface import RADAR_HEADER_MSG
from openpilot.selfdrive.car.gm.values import CAR, CruiseButtons, CarControllerParams, EV_CAR, CAMERA_ACC_CAR, CanBus
from openpilot.selfdrive.car.interfaces import CarInterfaceBase, TorqueFromLateralAccelCallbackType, FRICTION_THRESHOLD
from openpilot.selfdrive.controls.lib.drive_helpers import get_friction
ButtonType = car.CarState.ButtonEvent.Type
EventName = car.CarEvent.EventName
GearShifter = car.CarState.GearShifter
TransmissionType = car.CarParams.TransmissionType
NetworkLocation = car.CarParams.NetworkLocation
BUTTONS_DICT = {CruiseButtons.RES_ACCEL: ButtonType.accelCruise, CruiseButtons.DECEL_SET: ButtonType.decelCruise,
CruiseButtons.MAIN: ButtonType.altButton3, CruiseButtons.CANCEL: ButtonType.cancel}
NON_LINEAR_TORQUE_PARAMS = {
CAR.BOLT_EUV: [2.6531724862969748, 1.0, 0.1919764879840985, 0.009054123646805178],
CAR.ACADIA: [4.78003305, 1.0, 0.3122, 0.05591772],
CAR.SILVERADO: [3.29974374, 1.0, 0.25571356, 0.0465122]
}
class CarInterface(CarInterfaceBase):
@staticmethod
def get_pid_accel_limits(CP, current_speed, cruise_speed):
return CarControllerParams.ACCEL_MIN, CarControllerParams.ACCEL_MAX
# Determined by iteratively plotting and minimizing error for f(angle, speed) = steer.
@staticmethod
def get_steer_feedforward_volt(desired_angle, v_ego):
desired_angle *= 0.02904609
sigmoid = desired_angle / (1 + fabs(desired_angle))
return 0.10006696 * sigmoid * (v_ego + 3.12485927)
def get_steer_feedforward_function(self):
if self.CP.carFingerprint == CAR.VOLT:
return self.get_steer_feedforward_volt
else:
return CarInterfaceBase.get_steer_feedforward_default
def torque_from_lateral_accel_siglin(self, lateral_accel_value: float, torque_params: car.CarParams.LateralTorqueTuning,
lateral_accel_error: float, lateral_accel_deadzone: float, friction_compensation: bool) -> float:
friction = get_friction(lateral_accel_error, lateral_accel_deadzone, FRICTION_THRESHOLD, torque_params, friction_compensation)
def sig(val):
return 1 / (1 + exp(-val)) - 0.5
# The "lat_accel vs torque" relationship is assumed to be the sum of "sigmoid + linear" curves
# An important thing to consider is that the slope at 0 should be > 0 (ideally >1)
# This has big effect on the stability about 0 (noise when going straight)
# ToDo: To generalize to other GMs, explore tanh function as the nonlinear
non_linear_torque_params = NON_LINEAR_TORQUE_PARAMS.get(self.CP.carFingerprint)
assert non_linear_torque_params, "The params are not defined"
a, b, c, _ = non_linear_torque_params
steer_torque = (sig(lateral_accel_value * a) * b) + (lateral_accel_value * c)
return float(steer_torque) + friction
def torque_from_lateral_accel(self) -> TorqueFromLateralAccelCallbackType:
if self.CP.carFingerprint in NON_LINEAR_TORQUE_PARAMS:
return self.torque_from_lateral_accel_siglin
else:
return self.torque_from_lateral_accel_linear
@staticmethod
def _get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs):
ret.carName = "gm"
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.gm)]
ret.autoResumeSng = False
if candidate in EV_CAR:
ret.transmissionType = TransmissionType.direct
else:
ret.transmissionType = TransmissionType.automatic
ret.longitudinalTuning.deadzoneBP = [0.]
ret.longitudinalTuning.deadzoneV = [0.15]
ret.longitudinalTuning.kpBP = [5., 35.]
ret.longitudinalTuning.kiBP = [0.]
if candidate in CAMERA_ACC_CAR:
ret.experimentalLongitudinalAvailable = True
ret.networkLocation = NetworkLocation.fwdCamera
ret.radarUnavailable = True # no radar
ret.pcmCruise = True
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_GM_HW_CAM
ret.minEnableSpeed = 5 * CV.KPH_TO_MS
ret.minSteerSpeed = 10 * CV.KPH_TO_MS
# Tuning for experimental long
ret.longitudinalTuning.kpV = [2.0, 1.5]
ret.longitudinalTuning.kiV = [0.72]
ret.stoppingDecelRate = 2.0 # reach brake quickly after enabling
ret.vEgoStopping = 0.25
ret.vEgoStarting = 0.25
if experimental_long:
ret.pcmCruise = False
ret.openpilotLongitudinalControl = True
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_GM_HW_CAM_LONG
else: # ASCM, OBD-II harness
ret.openpilotLongitudinalControl = True
ret.networkLocation = NetworkLocation.gateway
ret.radarUnavailable = RADAR_HEADER_MSG not in fingerprint[CanBus.OBSTACLE] and not docs
ret.pcmCruise = False # stock non-adaptive cruise control is kept off
# supports stop and go, but initial engage must (conservatively) be above 18mph
ret.minEnableSpeed = 18 * CV.MPH_TO_MS
ret.minSteerSpeed = 7 * CV.MPH_TO_MS
# Tuning
ret.longitudinalTuning.kpV = [2.4, 1.5]
ret.longitudinalTuning.kiV = [0.36]
# These cars have been put into dashcam only due to both a lack of users and test coverage.
# These cars likely still work fine. Once a user confirms each car works and a test route is
# added to selfdrive/car/tests/routes.py, we can remove it from this list.
ret.dashcamOnly = candidate in {CAR.CADILLAC_ATS, CAR.HOLDEN_ASTRA, CAR.MALIBU, CAR.BUICK_REGAL, CAR.EQUINOX} or \
(ret.networkLocation == NetworkLocation.gateway and ret.radarUnavailable)
# Start with a baseline tuning for all GM vehicles. Override tuning as needed in each model section below.
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.2], [0.00]]
ret.lateralTuning.pid.kf = 0.00004 # full torque for 20 deg at 80mph means 0.00007818594
ret.steerActuatorDelay = 0.1 # Default delay, not measured yet
ret.tireStiffnessFactor = 0.444 # not optimized yet
ret.steerLimitTimer = 0.4
ret.radarTimeStep = 0.0667 # GM radar runs at 15Hz instead of standard 20Hz
ret.longitudinalActuatorDelayUpperBound = 0.5 # large delay to initially start braking
if candidate == CAR.VOLT:
ret.mass = 1607.
ret.wheelbase = 2.69
ret.steerRatio = 17.7 # Stock 15.7, LiveParameters
ret.tireStiffnessFactor = 0.469 # Stock Michelin Energy Saver A/S, LiveParameters
ret.centerToFront = ret.wheelbase * 0.45 # Volt Gen 1, TODO corner weigh
ret.lateralTuning.pid.kpBP = [0., 40.]
ret.lateralTuning.pid.kpV = [0., 0.17]
ret.lateralTuning.pid.kiBP = [0.]
ret.lateralTuning.pid.kiV = [0.]
ret.lateralTuning.pid.kf = 1. # get_steer_feedforward_volt()
ret.steerActuatorDelay = 0.2
elif candidate == CAR.MALIBU:
ret.mass = 1496.
ret.wheelbase = 2.83
ret.steerRatio = 15.8
ret.centerToFront = ret.wheelbase * 0.4 # wild guess
elif candidate == CAR.HOLDEN_ASTRA:
ret.mass = 1363.
ret.wheelbase = 2.662
# Remaining parameters copied from Volt for now
ret.centerToFront = ret.wheelbase * 0.4
ret.steerRatio = 15.7
elif candidate == CAR.ACADIA:
ret.minEnableSpeed = -1. # engage speed is decided by pcm
ret.mass = 4353. * CV.LB_TO_KG
ret.wheelbase = 2.86
ret.steerRatio = 14.4 # end to end is 13.46
ret.centerToFront = ret.wheelbase * 0.4
ret.steerActuatorDelay = 0.2
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate == CAR.BUICK_LACROSSE:
ret.mass = 1712.
ret.wheelbase = 2.91
ret.steerRatio = 15.8
ret.centerToFront = ret.wheelbase * 0.4 # wild guess
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate == CAR.BUICK_REGAL:
ret.mass = 3779. * CV.LB_TO_KG # (3849+3708)/2
ret.wheelbase = 2.83 # 111.4 inches in meters
ret.steerRatio = 14.4 # guess for tourx
ret.centerToFront = ret.wheelbase * 0.4 # guess for tourx
elif candidate == CAR.CADILLAC_ATS:
ret.mass = 1601.
ret.wheelbase = 2.78
ret.steerRatio = 15.3
ret.centerToFront = ret.wheelbase * 0.5
elif candidate == CAR.ESCALADE:
ret.minEnableSpeed = -1. # engage speed is decided by pcm
ret.mass = 5653. * CV.LB_TO_KG # (5552+5815)/2
ret.wheelbase = 2.95 # 116 inches in meters
ret.steerRatio = 17.3
ret.centerToFront = ret.wheelbase * 0.5
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate in (CAR.ESCALADE_ESV, CAR.ESCALADE_ESV_2019):
ret.minEnableSpeed = -1. # engage speed is decided by pcm
ret.mass = 2739.
ret.wheelbase = 3.302
ret.steerRatio = 17.3
ret.centerToFront = ret.wheelbase * 0.5
ret.tireStiffnessFactor = 1.0
if candidate == CAR.ESCALADE_ESV:
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[10., 41.0], [10., 41.0]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.13, 0.24], [0.01, 0.02]]
ret.lateralTuning.pid.kf = 0.000045
else:
ret.steerActuatorDelay = 0.2
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate == CAR.BOLT_EUV:
ret.mass = 1669.
ret.wheelbase = 2.63779
ret.steerRatio = 16.8
ret.centerToFront = ret.wheelbase * 0.4
ret.tireStiffnessFactor = 1.0
ret.steerActuatorDelay = 0.2
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate == CAR.SILVERADO:
ret.mass = 2450.
ret.wheelbase = 3.75
ret.steerRatio = 16.3
ret.centerToFront = ret.wheelbase * 0.5
ret.tireStiffnessFactor = 1.0
# On the Bolt, the ECM and camera independently check that you are either above 5 kph or at a stop
# with foot on brake to allow engagement, but this platform only has that check in the camera.
# TODO: check if this is split by EV/ICE with more platforms in the future
if ret.openpilotLongitudinalControl:
ret.minEnableSpeed = -1.
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate == CAR.EQUINOX:
ret.mass = 3500. * CV.LB_TO_KG
ret.wheelbase = 2.72
ret.steerRatio = 14.4
ret.centerToFront = ret.wheelbase * 0.4
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
elif candidate == CAR.TRAILBLAZER:
ret.mass = 1345.
ret.wheelbase = 2.64
ret.steerRatio = 16.8
ret.centerToFront = ret.wheelbase * 0.4
ret.tireStiffnessFactor = 1.0
ret.steerActuatorDelay = 0.2
CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
return ret
# returns a car.CarState
def _update(self, c):
ret = self.CS.update(self.cp, self.cp_cam, self.cp_loopback)
# Don't add event if transitioning from INIT, unless it's to an actual button
if self.CS.cruise_buttons != CruiseButtons.UNPRESS or self.CS.prev_cruise_buttons != CruiseButtons.INIT:
ret.buttonEvents = create_button_events(self.CS.cruise_buttons, self.CS.prev_cruise_buttons, BUTTONS_DICT,
unpressed_btn=CruiseButtons.UNPRESS)
# The ECM allows enabling on falling edge of set, but only rising edge of resume
events = self.create_common_events(ret, extra_gears=[GearShifter.sport, GearShifter.low,
GearShifter.eco, GearShifter.manumatic],
pcm_enable=self.CP.pcmCruise, enable_buttons=(ButtonType.decelCruise,))
if not self.CP.pcmCruise:
if any(b.type == ButtonType.accelCruise and b.pressed for b in ret.buttonEvents):
events.add(EventName.buttonEnable)
# Enabling at a standstill with brake is allowed
# TODO: verify 17 Volt can enable for the first time at a stop and allow for all GMs
below_min_enable_speed = ret.vEgo < self.CP.minEnableSpeed or self.CS.moving_backward
if below_min_enable_speed and not (ret.standstill and ret.brake >= 20 and
self.CP.networkLocation == NetworkLocation.fwdCamera):
events.add(EventName.belowEngageSpeed)
if ret.cruiseState.standstill:
events.add(EventName.resumeRequired)
if ret.vEgo < self.CP.minSteerSpeed:
events.add(EventName.belowSteerSpeed)
ret.events = events.to_msg()
return ret
def apply(self, c, now_nanos):
return self.CC.update(c, self.CS, now_nanos)

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selfdrive/car/gm/radar_interface.py Executable file
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#!/usr/bin/env python3
import math
from cereal import car
from openpilot.common.conversions import Conversions as CV
from opendbc.can.parser import CANParser
from openpilot.selfdrive.car.gm.values import DBC, CanBus
from openpilot.selfdrive.car.interfaces import RadarInterfaceBase
RADAR_HEADER_MSG = 1120
SLOT_1_MSG = RADAR_HEADER_MSG + 1
NUM_SLOTS = 20
# Actually it's 0x47f, but can parser only reports
# messages that are present in DBC
LAST_RADAR_MSG = RADAR_HEADER_MSG + NUM_SLOTS
def create_radar_can_parser(car_fingerprint):
# C1A-ARS3-A by Continental
radar_targets = list(range(SLOT_1_MSG, SLOT_1_MSG + NUM_SLOTS))
signals = list(zip(['FLRRNumValidTargets',
'FLRRSnsrBlckd', 'FLRRYawRtPlsblityFlt',
'FLRRHWFltPrsntInt', 'FLRRAntTngFltPrsnt',
'FLRRAlgnFltPrsnt', 'FLRRSnstvFltPrsntInt'] +
['TrkRange'] * NUM_SLOTS + ['TrkRangeRate'] * NUM_SLOTS +
['TrkRangeAccel'] * NUM_SLOTS + ['TrkAzimuth'] * NUM_SLOTS +
['TrkWidth'] * NUM_SLOTS + ['TrkObjectID'] * NUM_SLOTS,
[RADAR_HEADER_MSG] * 7 + radar_targets * 6, strict=True))
messages = list({(s[1], 14) for s in signals})
return CANParser(DBC[car_fingerprint]['radar'], messages, CanBus.OBSTACLE)
class RadarInterface(RadarInterfaceBase):
def __init__(self, CP):
super().__init__(CP)
self.rcp = None if CP.radarUnavailable else create_radar_can_parser(CP.carFingerprint)
self.trigger_msg = LAST_RADAR_MSG
self.updated_messages = set()
self.radar_ts = CP.radarTimeStep
def update(self, can_strings):
if self.rcp is None:
return super().update(None)
vls = self.rcp.update_strings(can_strings)
self.updated_messages.update(vls)
if self.trigger_msg not in self.updated_messages:
return None
ret = car.RadarData.new_message()
header = self.rcp.vl[RADAR_HEADER_MSG]
fault = header['FLRRSnsrBlckd'] or header['FLRRSnstvFltPrsntInt'] or \
header['FLRRYawRtPlsblityFlt'] or header['FLRRHWFltPrsntInt'] or \
header['FLRRAntTngFltPrsnt'] or header['FLRRAlgnFltPrsnt']
errors = []
if not self.rcp.can_valid:
errors.append("canError")
if fault:
errors.append("fault")
ret.errors = errors
currentTargets = set()
num_targets = header['FLRRNumValidTargets']
# Not all radar messages describe targets,
# no need to monitor all of the self.rcp.msgs_upd
for ii in self.updated_messages:
if ii == RADAR_HEADER_MSG:
continue
if num_targets == 0:
break
cpt = self.rcp.vl[ii]
# Zero distance means it's an empty target slot
if cpt['TrkRange'] > 0.0:
targetId = cpt['TrkObjectID']
currentTargets.add(targetId)
if targetId not in self.pts:
self.pts[targetId] = car.RadarData.RadarPoint.new_message()
self.pts[targetId].trackId = targetId
distance = cpt['TrkRange']
self.pts[targetId].dRel = distance # from front of car
# From driver's pov, left is positive
self.pts[targetId].yRel = math.sin(cpt['TrkAzimuth'] * CV.DEG_TO_RAD) * distance
self.pts[targetId].vRel = cpt['TrkRangeRate']
self.pts[targetId].aRel = float('nan')
self.pts[targetId].yvRel = float('nan')
for oldTarget in list(self.pts.keys()):
if oldTarget not in currentTargets:
del self.pts[oldTarget]
ret.points = list(self.pts.values())
self.updated_messages.clear()
return ret

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selfdrive/car/gm/values.py Normal file
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from collections import defaultdict
from dataclasses import dataclass
from enum import Enum, StrEnum
from typing import Dict, List, Union
from cereal import car
from openpilot.selfdrive.car import dbc_dict
from openpilot.selfdrive.car.docs_definitions import CarFootnote, CarHarness, CarInfo, CarParts, Column
Ecu = car.CarParams.Ecu
class CarControllerParams:
STEER_MAX = 300 # GM limit is 3Nm. Used by carcontroller to generate LKA output
STEER_STEP = 3 # Active control frames per command (~33hz)
INACTIVE_STEER_STEP = 10 # Inactive control frames per command (10hz)
STEER_DELTA_UP = 10 # Delta rates require review due to observed EPS weakness
STEER_DELTA_DOWN = 15
STEER_DRIVER_ALLOWANCE = 65
STEER_DRIVER_MULTIPLIER = 4
STEER_DRIVER_FACTOR = 100
NEAR_STOP_BRAKE_PHASE = 0.5 # m/s
# Heartbeat for dash "Service Adaptive Cruise" and "Service Front Camera"
ADAS_KEEPALIVE_STEP = 100
CAMERA_KEEPALIVE_STEP = 100
# Allow small margin below -3.5 m/s^2 from ISO 15622:2018 since we
# perform the closed loop control, and might need some
# to apply some more braking if we're on a downhill slope.
# Our controller should still keep the 2 second average above
# -3.5 m/s^2 as per planner limits
ACCEL_MAX = 2. # m/s^2
ACCEL_MIN = -4. # m/s^2
def __init__(self, CP):
# Gas/brake lookups
self.ZERO_GAS = 2048 # Coasting
self.MAX_BRAKE = 400 # ~ -4.0 m/s^2 with regen
if CP.carFingerprint in CAMERA_ACC_CAR:
self.MAX_GAS = 3400
self.MAX_ACC_REGEN = 1514
self.INACTIVE_REGEN = 1554
# Camera ACC vehicles have no regen while enabled.
# Camera transitions to MAX_ACC_REGEN from ZERO_GAS and uses friction brakes instantly
max_regen_acceleration = 0.
else:
self.MAX_GAS = 3072 # Safety limit, not ACC max. Stock ACC >4096 from standstill.
self.MAX_ACC_REGEN = 1404 # Max ACC regen is slightly less than max paddle regen
self.INACTIVE_REGEN = 1404
# ICE has much less engine braking force compared to regen in EVs,
# lower threshold removes some braking deadzone
max_regen_acceleration = -1. if CP.carFingerprint in EV_CAR else -0.1
self.GAS_LOOKUP_BP = [max_regen_acceleration, 0., self.ACCEL_MAX]
self.GAS_LOOKUP_V = [self.MAX_ACC_REGEN, self.ZERO_GAS, self.MAX_GAS]
self.BRAKE_LOOKUP_BP = [self.ACCEL_MIN, max_regen_acceleration]
self.BRAKE_LOOKUP_V = [self.MAX_BRAKE, 0.]
class CAR(StrEnum):
HOLDEN_ASTRA = "HOLDEN ASTRA RS-V BK 2017"
VOLT = "CHEVROLET VOLT PREMIER 2017"
CADILLAC_ATS = "CADILLAC ATS Premium Performance 2018"
MALIBU = "CHEVROLET MALIBU PREMIER 2017"
ACADIA = "GMC ACADIA DENALI 2018"
BUICK_LACROSSE = "BUICK LACROSSE 2017"
BUICK_REGAL = "BUICK REGAL ESSENCE 2018"
ESCALADE = "CADILLAC ESCALADE 2017"
ESCALADE_ESV = "CADILLAC ESCALADE ESV 2016"
ESCALADE_ESV_2019 = "CADILLAC ESCALADE ESV 2019"
BOLT_EUV = "CHEVROLET BOLT EUV 2022"
SILVERADO = "CHEVROLET SILVERADO 1500 2020"
EQUINOX = "CHEVROLET EQUINOX 2019"
TRAILBLAZER = "CHEVROLET TRAILBLAZER 2021"
class Footnote(Enum):
OBD_II = CarFootnote(
'Requires a <a href="https://github.com/commaai/openpilot/wiki/GM#hardware" target="_blank">community built ASCM harness</a>. ' +
'<b><i>NOTE: disconnecting the ASCM disables Automatic Emergency Braking (AEB).</i></b>',
Column.MODEL)
@dataclass
class GMCarInfo(CarInfo):
package: str = "Adaptive Cruise Control (ACC)"
def init_make(self, CP: car.CarParams):
if CP.networkLocation == car.CarParams.NetworkLocation.fwdCamera:
self.car_parts = CarParts.common([CarHarness.gm])
else:
self.car_parts = CarParts.common([CarHarness.obd_ii])
self.footnotes.append(Footnote.OBD_II)
CAR_INFO: Dict[str, Union[GMCarInfo, List[GMCarInfo]]] = {
CAR.HOLDEN_ASTRA: GMCarInfo("Holden Astra 2017"),
CAR.VOLT: GMCarInfo("Chevrolet Volt 2017-18", min_enable_speed=0, video_link="https://youtu.be/QeMCN_4TFfQ"),
CAR.CADILLAC_ATS: GMCarInfo("Cadillac ATS Premium Performance 2018"),
CAR.MALIBU: GMCarInfo("Chevrolet Malibu Premier 2017"),
CAR.ACADIA: GMCarInfo("GMC Acadia 2018", video_link="https://www.youtube.com/watch?v=0ZN6DdsBUZo"),
CAR.BUICK_LACROSSE: GMCarInfo("Buick LaCrosse 2017-19", "Driver Confidence Package 2"),
CAR.BUICK_REGAL: GMCarInfo("Buick Regal Essence 2018"),
CAR.ESCALADE: GMCarInfo("Cadillac Escalade 2017", "Driver Assist Package"),
CAR.ESCALADE_ESV: GMCarInfo("Cadillac Escalade ESV 2016", "Adaptive Cruise Control (ACC) & LKAS"),
CAR.ESCALADE_ESV_2019: GMCarInfo("Cadillac Escalade ESV 2019", "Adaptive Cruise Control (ACC) & LKAS"),
CAR.BOLT_EUV: [
GMCarInfo("Chevrolet Bolt EUV 2022-23", "Premier or Premier Redline Trim without Super Cruise Package", video_link="https://youtu.be/xvwzGMUA210"),
GMCarInfo("Chevrolet Bolt EV 2022-23", "2LT Trim with Adaptive Cruise Control Package"),
],
CAR.SILVERADO: [
GMCarInfo("Chevrolet Silverado 1500 2020-21", "Safety Package II"),
GMCarInfo("GMC Sierra 1500 2020-21", "Driver Alert Package II", video_link="https://youtu.be/5HbNoBLzRwE"),
],
CAR.EQUINOX: GMCarInfo("Chevrolet Equinox 2019-22"),
CAR.TRAILBLAZER: GMCarInfo("Chevrolet Trailblazer 2021-22"),
}
class CruiseButtons:
INIT = 0
UNPRESS = 1
RES_ACCEL = 2
DECEL_SET = 3
MAIN = 5
CANCEL = 6
class AccState:
OFF = 0
ACTIVE = 1
FAULTED = 3
STANDSTILL = 4
class CanBus:
POWERTRAIN = 0
OBSTACLE = 1
CAMERA = 2
CHASSIS = 2
LOOPBACK = 128
DROPPED = 192
GM_RX_OFFSET = 0x400
DBC: Dict[str, Dict[str, str]] = defaultdict(lambda: dbc_dict('gm_global_a_powertrain_generated', 'gm_global_a_object', chassis_dbc='gm_global_a_chassis'))
EV_CAR = {CAR.VOLT, CAR.BOLT_EUV}
# We're integrated at the camera with VOACC on these cars (instead of ASCM w/ OBD-II harness)
CAMERA_ACC_CAR = {CAR.BOLT_EUV, CAR.SILVERADO, CAR.EQUINOX, CAR.TRAILBLAZER}
STEER_THRESHOLD = 1.0