#!/usr/bin/env python3 import math from numbers import Number from cereal import car, log import cereal.messaging as messaging from openpilot.common.constants import CV from openpilot.common.params import Params from openpilot.common.realtime import config_realtime_process, Priority, Ratekeeper from openpilot.common.swaglog import cloudlog from opendbc.car.car_helpers import interfaces from opendbc.car.vehicle_model import VehicleModel from openpilot.selfdrive.controls.lib.drive_helpers import clip_curvature from openpilot.selfdrive.controls.lib.latcontrol import LatControl from openpilot.selfdrive.controls.lib.latcontrol_pid import LatControlPID from openpilot.selfdrive.controls.lib.latcontrol_angle import LatControlAngle, STEER_ANGLE_SATURATION_THRESHOLD from openpilot.selfdrive.controls.lib.latcontrol_torque import LatControlTorque from openpilot.selfdrive.controls.lib.longcontrol import LongControl from openpilot.selfdrive.locationd.helpers import PoseCalibrator, Pose State = log.SelfdriveState.OpenpilotState LaneChangeState = log.LaneChangeState LaneChangeDirection = log.LaneChangeDirection ACTUATOR_FIELDS = tuple(car.CarControl.Actuators.schema.fields.keys()) class Controls: def __init__(self) -> None: self.params = Params() cloudlog.info("controlsd is waiting for CarParams") self.CP = messaging.log_from_bytes(self.params.get("CarParams", block=True), car.CarParams) cloudlog.info("controlsd got CarParams") self.CI = interfaces[self.CP.carFingerprint](self.CP) self.sm = messaging.SubMaster(['liveParameters', 'liveTorqueParameters', 'modelV2', 'selfdriveState', 'liveCalibration', 'livePose', 'longitudinalPlan', 'carState', 'carOutput', 'driverMonitoringState', 'onroadEvents', 'driverAssistance'], poll='selfdriveState') self.pm = messaging.PubMaster(['carControl', 'controlsState']) self.steer_limited_by_controls = False self.curvature = 0.0 self.desired_curvature = 0.0 self.pose_calibrator = PoseCalibrator() self.calibrated_pose: Pose | None = None self.LoC = LongControl(self.CP) self.VM = VehicleModel(self.CP) self.LaC: LatControl if self.CP.steerControlType == car.CarParams.SteerControlType.angle: self.LaC = LatControlAngle(self.CP, self.CI) elif self.CP.lateralTuning.which() == 'pid': self.LaC = LatControlPID(self.CP, self.CI) elif self.CP.lateralTuning.which() == 'torque': self.LaC = LatControlTorque(self.CP, self.CI) def update(self): self.sm.update(15) if self.sm.updated["liveCalibration"]: self.pose_calibrator.feed_live_calib(self.sm['liveCalibration']) if self.sm.updated["livePose"]: device_pose = Pose.from_live_pose(self.sm['livePose']) self.calibrated_pose = self.pose_calibrator.build_calibrated_pose(device_pose) def state_control(self): CS = self.sm['carState'] # Update VehicleModel lp = self.sm['liveParameters'] x = max(lp.stiffnessFactor, 0.1) sr = max(lp.steerRatio, 0.1) self.VM.update_params(x, sr) steer_angle_without_offset = math.radians(CS.steeringAngleDeg - lp.angleOffsetDeg) self.curvature = -self.VM.calc_curvature(steer_angle_without_offset, CS.vEgo, lp.roll) # Update Torque Params if self.CP.lateralTuning.which() == 'torque': torque_params = self.sm['liveTorqueParameters'] if self.sm.all_checks(['liveTorqueParameters']) and torque_params.useParams: self.LaC.update_live_torque_params(torque_params.latAccelFactorFiltered, torque_params.latAccelOffsetFiltered, torque_params.frictionCoefficientFiltered) long_plan = self.sm['longitudinalPlan'] model_v2 = self.sm['modelV2'] CC = car.CarControl.new_message() CC.enabled = self.sm['selfdriveState'].enabled # Check which actuators can be enabled standstill = abs(CS.vEgo) <= max(self.CP.minSteerSpeed, 0.3) or CS.standstill CC.latActive = self.sm['selfdriveState'].active and not CS.steerFaultTemporary and not CS.steerFaultPermanent and \ (not standstill or self.CP.steerAtStandstill) CC.longActive = CC.enabled and not any(e.overrideLongitudinal for e in self.sm['onroadEvents']) and self.CP.openpilotLongitudinalControl actuators = CC.actuators actuators.longControlState = self.LoC.long_control_state # Enable blinkers while lane changing if model_v2.meta.laneChangeState != LaneChangeState.off: CC.leftBlinker = model_v2.meta.laneChangeDirection == LaneChangeDirection.left CC.rightBlinker = model_v2.meta.laneChangeDirection == LaneChangeDirection.right if not CC.latActive: self.LaC.reset() if not CC.longActive: self.LoC.reset() # accel PID loop pid_accel_limits = self.CI.get_pid_accel_limits(self.CP, CS.vEgo, CS.vCruise * CV.KPH_TO_MS) actuators.accel = float(self.LoC.update(CC.longActive, CS, long_plan.aTarget, long_plan.shouldStop, pid_accel_limits)) # Steering PID loop and lateral MPC # Reset desired curvature to current to avoid violating the limits on engage new_desired_curvature = model_v2.action.desiredCurvature if CC.latActive else self.curvature self.desired_curvature, curvature_limited = clip_curvature(CS.vEgo, self.desired_curvature, new_desired_curvature, lp.roll) actuators.curvature = self.desired_curvature steer, steeringAngleDeg, lac_log = self.LaC.update(CC.latActive, CS, self.VM, lp, self.steer_limited_by_controls, self.desired_curvature, curvature_limited) # TODO what if not available actuators.torque = float(steer) actuators.steeringAngleDeg = float(steeringAngleDeg) # Ensure no NaNs/Infs for p in ACTUATOR_FIELDS: attr = getattr(actuators, p) if not isinstance(attr, Number): continue if not math.isfinite(attr): cloudlog.error(f"actuators.{p} not finite {actuators.to_dict()}") setattr(actuators, p, 0.0) return CC, lac_log def publish(self, CC, lac_log): CS = self.sm['carState'] # Orientation and angle rates can be useful for carcontroller # Only calibrated (car) frame is relevant for the carcontroller CC.currentCurvature = self.curvature if self.calibrated_pose is not None: CC.orientationNED = self.calibrated_pose.orientation.xyz.tolist() CC.angularVelocity = self.calibrated_pose.angular_velocity.xyz.tolist() CC.cruiseControl.override = CC.enabled and not CC.longActive and self.CP.openpilotLongitudinalControl CC.cruiseControl.cancel = CS.cruiseState.enabled and (not CC.enabled or not self.CP.pcmCruise) CC.cruiseControl.resume = CC.enabled and CS.cruiseState.standstill and not self.sm['longitudinalPlan'].shouldStop hudControl = CC.hudControl hudControl.setSpeed = float(CS.vCruiseCluster * CV.KPH_TO_MS) hudControl.speedVisible = CC.enabled hudControl.lanesVisible = CC.enabled hudControl.leadVisible = self.sm['longitudinalPlan'].hasLead hudControl.leadDistanceBars = self.sm['selfdriveState'].personality.raw + 1 hudControl.visualAlert = self.sm['selfdriveState'].alertHudVisual hudControl.rightLaneVisible = True hudControl.leftLaneVisible = True if self.sm.valid['driverAssistance']: hudControl.leftLaneDepart = self.sm['driverAssistance'].leftLaneDeparture hudControl.rightLaneDepart = self.sm['driverAssistance'].rightLaneDeparture if self.sm['selfdriveState'].active: CO = self.sm['carOutput'] if self.CP.steerControlType == car.CarParams.SteerControlType.angle: self.steer_limited_by_controls = abs(CC.actuators.steeringAngleDeg - CO.actuatorsOutput.steeringAngleDeg) > \ STEER_ANGLE_SATURATION_THRESHOLD else: self.steer_limited_by_controls = abs(CC.actuators.torque - CO.actuatorsOutput.torque) > 1e-2 # TODO: both controlsState and carControl valids should be set by # sm.all_checks(), but this creates a circular dependency # controlsState dat = messaging.new_message('controlsState') dat.valid = CS.canValid cs = dat.controlsState cs.curvature = self.curvature cs.longitudinalPlanMonoTime = self.sm.logMonoTime['longitudinalPlan'] cs.lateralPlanMonoTime = self.sm.logMonoTime['modelV2'] cs.desiredCurvature = self.desired_curvature cs.longControlState = self.LoC.long_control_state cs.upAccelCmd = float(self.LoC.pid.p) cs.uiAccelCmd = float(self.LoC.pid.i) cs.ufAccelCmd = float(self.LoC.pid.f) cs.forceDecel = bool((self.sm['driverMonitoringState'].awarenessStatus < 0.) or (self.sm['selfdriveState'].state == State.softDisabling)) lat_tuning = self.CP.lateralTuning.which() if self.CP.steerControlType == car.CarParams.SteerControlType.angle: cs.lateralControlState.angleState = lac_log elif lat_tuning == 'pid': cs.lateralControlState.pidState = lac_log elif lat_tuning == 'torque': cs.lateralControlState.torqueState = lac_log self.pm.send('controlsState', dat) # carControl cc_send = messaging.new_message('carControl') cc_send.valid = CS.canValid cc_send.carControl = CC self.pm.send('carControl', cc_send) def run(self): rk = Ratekeeper(100, print_delay_threshold=None) while True: self.update() CC, lac_log = self.state_control() self.publish(CC, lac_log) rk.monitor_time() def main(): config_realtime_process(4, Priority.CTRL_HIGH) controls = Controls() controls.run() if __name__ == "__main__": main()