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							556 lines
						
					
					
						
							24 KiB
						
					
					
				
			
		
		
	
	
							556 lines
						
					
					
						
							24 KiB
						
					
					
				| #!/usr/bin/env python3
 | |
| import numpy as np
 | |
| from cereal import car
 | |
| from common.numpy_fast import clip, interp
 | |
| from common.realtime import DT_CTRL
 | |
| from selfdrive.swaglog import cloudlog
 | |
| from selfdrive.config import Conversions as CV
 | |
| from selfdrive.controls.lib.events import ET
 | |
| from selfdrive.car.honda.values import CruiseButtons, CAR, HONDA_BOSCH, Ecu, ECU_FINGERPRINT, FINGERPRINTS
 | |
| from selfdrive.car import STD_CARGO_KG, CivicParams, scale_rot_inertia, scale_tire_stiffness, is_ecu_disconnected, gen_empty_fingerprint
 | |
| from selfdrive.controls.lib.planner import _A_CRUISE_MAX_V_FOLLOWING
 | |
| from selfdrive.car.interfaces import CarInterfaceBase
 | |
| 
 | |
| A_ACC_MAX = max(_A_CRUISE_MAX_V_FOLLOWING)
 | |
| 
 | |
| ButtonType = car.CarState.ButtonEvent.Type
 | |
| EventName = car.CarEvent.EventName
 | |
| 
 | |
| def compute_gb_honda(accel, speed):
 | |
|   creep_brake = 0.0
 | |
|   creep_speed = 2.3
 | |
|   creep_brake_value = 0.15
 | |
|   if speed < creep_speed:
 | |
|     creep_brake = (creep_speed - speed) / creep_speed * creep_brake_value
 | |
|   return float(accel) / 4.8 - creep_brake
 | |
| 
 | |
| 
 | |
| def get_compute_gb_acura():
 | |
|   # generate a function that takes in [desired_accel, current_speed] -> [-1.0, 1.0]
 | |
|   # where -1.0 is max brake and 1.0 is max gas
 | |
|   # see debug/dump_accel_from_fiber.py to see how those parameters were generated
 | |
|   w0 = np.array([[ 1.22056961, -0.39625418,  0.67952657],
 | |
|                  [ 1.03691769,  0.78210306, -0.41343188]])
 | |
|   b0 = np.array([ 0.01536703, -0.14335321, -0.26932889])
 | |
|   w2 = np.array([[-0.59124422,  0.42899439,  0.38660881],
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|                  [ 0.79973811,  0.13178682,  0.08550351],
 | |
|                  [-0.15651935, -0.44360259,  0.76910877]])
 | |
|   b2 = np.array([ 0.15624429,  0.02294923, -0.0341086 ])
 | |
|   w4 = np.array([[-0.31521443],
 | |
|                  [-0.38626176],
 | |
|                  [ 0.52667892]])
 | |
|   b4 = np.array([-0.02922216])
 | |
| 
 | |
|   def compute_output(dat, w0, b0, w2, b2, w4, b4):
 | |
|     m0 = np.dot(dat, w0) + b0
 | |
|     m0 = leakyrelu(m0, 0.1)
 | |
|     m2 = np.dot(m0, w2) + b2
 | |
|     m2 = leakyrelu(m2, 0.1)
 | |
|     m4 = np.dot(m2, w4) + b4
 | |
|     return m4
 | |
| 
 | |
|   def leakyrelu(x, alpha):
 | |
|     return np.maximum(x, alpha * x)
 | |
| 
 | |
|   def _compute_gb_acura(accel, speed):
 | |
|     # linearly extrap below v1 using v1 and v2 data
 | |
|     v1 = 5.
 | |
|     v2 = 10.
 | |
|     dat = np.array([accel, speed])
 | |
|     if speed > 5.:
 | |
|       m4 = compute_output(dat, w0, b0, w2, b2, w4, b4)
 | |
|     else:
 | |
|       dat[1] = v1
 | |
|       m4v1 = compute_output(dat, w0, b0, w2, b2, w4, b4)
 | |
|       dat[1] = v2
 | |
|       m4v2 = compute_output(dat, w0, b0, w2, b2, w4, b4)
 | |
|       m4 = (speed - v1) * (m4v2 - m4v1) / (v2 - v1) + m4v1
 | |
|     return float(m4)
 | |
| 
 | |
|   return _compute_gb_acura
 | |
| 
 | |
| 
 | |
| class CarInterface(CarInterfaceBase):
 | |
|   def __init__(self, CP, CarController, CarState):
 | |
|     super().__init__(CP, CarController, CarState)
 | |
| 
 | |
|     self.last_enable_pressed = 0
 | |
|     self.last_enable_sent = 0
 | |
| 
 | |
|     if self.CS.CP.carFingerprint == CAR.ACURA_ILX:
 | |
|       self.compute_gb = get_compute_gb_acura()
 | |
|     else:
 | |
|       self.compute_gb = compute_gb_honda
 | |
| 
 | |
|   @staticmethod
 | |
|   def compute_gb(accel, speed): # pylint: disable=method-hidden
 | |
|     raise NotImplementedError
 | |
| 
 | |
|   @staticmethod
 | |
|   def calc_accel_override(a_ego, a_target, v_ego, v_target):
 | |
| 
 | |
|     # normalized max accel. Allowing max accel at low speed causes speed overshoots
 | |
|     max_accel_bp = [10, 20]    # m/s
 | |
|     max_accel_v = [0.714, 1.0]  # unit of max accel
 | |
|     max_accel = interp(v_ego, max_accel_bp, max_accel_v)
 | |
| 
 | |
|     # limit the pcm accel cmd if:
 | |
|     # - v_ego exceeds v_target, or
 | |
|     # - a_ego exceeds a_target and v_ego is close to v_target
 | |
| 
 | |
|     eA = a_ego - a_target
 | |
|     valuesA = [1.0, 0.1]
 | |
|     bpA = [0.3, 1.1]
 | |
| 
 | |
|     eV = v_ego - v_target
 | |
|     valuesV = [1.0, 0.1]
 | |
|     bpV = [0.0, 0.5]
 | |
| 
 | |
|     valuesRangeV = [1., 0.]
 | |
|     bpRangeV = [-1., 0.]
 | |
| 
 | |
|     # only limit if v_ego is close to v_target
 | |
|     speedLimiter = interp(eV, bpV, valuesV)
 | |
|     accelLimiter = max(interp(eA, bpA, valuesA), interp(eV, bpRangeV, valuesRangeV))
 | |
| 
 | |
|     # accelOverride is more or less the max throttle allowed to pcm: usually set to a constant
 | |
|     # unless aTargetMax is very high and then we scale with it; this help in quicker restart
 | |
| 
 | |
|     return float(max(max_accel, a_target / A_ACC_MAX)) * min(speedLimiter, accelLimiter)
 | |
| 
 | |
|   @staticmethod
 | |
|   def get_params(candidate, fingerprint=gen_empty_fingerprint(), has_relay=False, car_fw=[]):  # pylint: disable=dangerous-default-value
 | |
|     ret = CarInterfaceBase.get_std_params(candidate, fingerprint, has_relay)
 | |
|     ret.carName = "honda"
 | |
| 
 | |
|     if candidate in HONDA_BOSCH:
 | |
|       ret.safetyModel = car.CarParams.SafetyModel.hondaBoschHarness if has_relay else car.CarParams.SafetyModel.hondaBoschGiraffe
 | |
|       rdr_bus = 0 if has_relay else 2
 | |
|       ret.enableCamera = is_ecu_disconnected(fingerprint[rdr_bus], FINGERPRINTS, ECU_FINGERPRINT, candidate, Ecu.fwdCamera) or has_relay
 | |
|       ret.radarOffCan = True
 | |
|       ret.openpilotLongitudinalControl = False
 | |
|     else:
 | |
|       ret.safetyModel = car.CarParams.SafetyModel.hondaNidec
 | |
|       ret.enableCamera = is_ecu_disconnected(fingerprint[0], FINGERPRINTS, ECU_FINGERPRINT, candidate, Ecu.fwdCamera) or has_relay
 | |
|       ret.enableGasInterceptor = 0x201 in fingerprint[0]
 | |
|       ret.openpilotLongitudinalControl = ret.enableCamera
 | |
| 
 | |
|     cloudlog.warning("ECU Camera Simulated: %r", ret.enableCamera)
 | |
|     cloudlog.warning("ECU Gas Interceptor: %r", ret.enableGasInterceptor)
 | |
| 
 | |
|     ret.enableCruise = not ret.enableGasInterceptor
 | |
|     ret.communityFeature = ret.enableGasInterceptor
 | |
| 
 | |
|     # Certain Hondas have an extra steering sensor at the bottom of the steering rack,
 | |
|     # which improves controls quality as it removes the steering column torsion from feedback.
 | |
|     # Tire stiffness factor fictitiously lower if it includes the steering column torsion effect.
 | |
|     # For modeling details, see p.198-200 in "The Science of Vehicle Dynamics (2014), M. Guiggiani"
 | |
|     ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0], [0]]
 | |
|     ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
 | |
|     ret.lateralTuning.pid.kf = 0.00006  # conservative feed-forward
 | |
| 
 | |
|     eps_modified = False
 | |
|     for fw in car_fw:
 | |
|       if fw.ecu == "eps" and b"," in fw.fwVersion:
 | |
|         eps_modified = True
 | |
| 
 | |
|     if candidate == CAR.CIVIC:
 | |
|       stop_and_go = True
 | |
|       ret.mass = CivicParams.MASS
 | |
|       ret.wheelbase = CivicParams.WHEELBASE
 | |
|       ret.centerToFront = CivicParams.CENTER_TO_FRONT
 | |
|       ret.steerRatio = 15.38  # 10.93 is end-to-end spec
 | |
|       if eps_modified:
 | |
|         # stock request input values:     0x0000, 0x00DE, 0x014D, 0x01EF, 0x0290, 0x0377, 0x0454, 0x0610, 0x06EE
 | |
|         # stock request output values:    0x0000, 0x0917, 0x0DC5, 0x1017, 0x119F, 0x140B, 0x1680, 0x1680, 0x1680
 | |
|         # modified request output values: 0x0000, 0x0917, 0x0DC5, 0x1017, 0x119F, 0x140B, 0x1680, 0x2880, 0x3180
 | |
|         # stock filter output values:     0x009F, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108
 | |
|         # modified filter output values:  0x009F, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0400, 0x0480
 | |
|         # note: max request allowed is 4096, but request is capped at 3840 in firmware, so modifications result in 2x max
 | |
|         ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 2560, 8000], [0, 2560, 3840]]
 | |
|         ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.3], [0.1]]
 | |
|       else:
 | |
|         ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 2560], [0, 2560]]
 | |
|         ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[1.1], [0.33]]
 | |
|       tire_stiffness_factor = 1.
 | |
| 
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [3.6, 2.4, 1.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.54, 0.36]
 | |
| 
 | |
|     elif candidate in (CAR.CIVIC_BOSCH, CAR.CIVIC_BOSCH_DIESEL):
 | |
|       stop_and_go = True
 | |
|       ret.mass = CivicParams.MASS
 | |
|       ret.wheelbase = CivicParams.WHEELBASE
 | |
|       ret.centerToFront = CivicParams.CENTER_TO_FRONT
 | |
|       ret.steerRatio = 15.38  # 10.93 is end-to-end spec
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 1.
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate in (CAR.ACCORD, CAR.ACCORD_15, CAR.ACCORDH):
 | |
|       stop_and_go = True
 | |
|       if not candidate == CAR.ACCORDH:  # Hybrid uses same brake msg as hatch
 | |
|         ret.safetyParam = 1  # Accord and CRV 5G use an alternate user brake msg
 | |
|       ret.mass = 3279. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.83
 | |
|       ret.centerToFront = ret.wheelbase * 0.39
 | |
|       ret.steerRatio = 16.33  # 11.82 is spec end-to-end
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.8467
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|       if eps_modified:
 | |
|         ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.3], [0.09]]
 | |
|       else:
 | |
|         ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
 | |
| 
 | |
|     elif candidate == CAR.ACURA_ILX:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 3095. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.67
 | |
|       ret.centerToFront = ret.wheelbase * 0.37
 | |
|       ret.steerRatio = 18.61  # 15.3 is spec end-to-end
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 3840], [0, 3840]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.72
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate in (CAR.CRV, CAR.CRV_EU):
 | |
|       stop_and_go = False
 | |
|       ret.mass = 3572. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.62
 | |
|       ret.centerToFront = ret.wheelbase * 0.41
 | |
|       ret.steerRatio = 16.89  # as spec
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 1000], [0, 1000]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.444
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.CRV_5G:
 | |
|       stop_and_go = True
 | |
|       ret.safetyParam = 1  # Accord and CRV 5G use an alternate user brake msg
 | |
|       ret.mass = 3410. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.66
 | |
|       ret.centerToFront = ret.wheelbase * 0.41
 | |
|       ret.steerRatio = 16.0  # 12.3 is spec end-to-end
 | |
|       if eps_modified:
 | |
|         # stock request input values:     0x0000, 0x00DB, 0x01BB, 0x0296, 0x0377, 0x0454, 0x0532, 0x0610, 0x067F
 | |
|         # stock request output values:    0x0000, 0x0500, 0x0A15, 0x0E6D, 0x1100, 0x1200, 0x129A, 0x134D, 0x1400
 | |
|         # modified request output values: 0x0000, 0x0500, 0x0A15, 0x0E6D, 0x1100, 0x1200, 0x1ACD, 0x239A, 0x2800
 | |
|         ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 2560, 10000], [0, 2560, 3840]]
 | |
|         ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.3], [0.1]]
 | |
|       else:
 | |
|         ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 3840], [0, 3840]]
 | |
|         ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.64], [0.192]]
 | |
|       tire_stiffness_factor = 0.677
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.CRV_HYBRID:
 | |
|       stop_and_go = True
 | |
|       ret.safetyParam = 1  # Accord and CRV 5G use an alternate user brake msg
 | |
|       ret.mass = 1667. + STD_CARGO_KG  # mean of 4 models in kg
 | |
|       ret.wheelbase = 2.66
 | |
|       ret.centerToFront = ret.wheelbase * 0.41
 | |
|       ret.steerRatio = 16.0  # 12.3 is spec end-to-end
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.677
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.FIT:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 2644. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.53
 | |
|       ret.centerToFront = ret.wheelbase * 0.39
 | |
|       ret.steerRatio = 13.06
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.75
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.25], [0.06]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.HRV:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 3125 * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.61
 | |
|       ret.centerToFront = ret.wheelbase * 0.41
 | |
|       ret.steerRatio = 15.2
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]
 | |
|       tire_stiffness_factor = 0.5
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.16], [0.025]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.ACURA_RDX:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 3935. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.68
 | |
|       ret.centerToFront = ret.wheelbase * 0.38
 | |
|       ret.steerRatio = 15.0  # as spec
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 1000], [0, 1000]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.444
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.ODYSSEY:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 4471. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 3.00
 | |
|       ret.centerToFront = ret.wheelbase * 0.41
 | |
|       ret.steerRatio = 14.35  # as spec
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.82
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.45], [0.135]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.ODYSSEY_CHN:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 1849.2 + STD_CARGO_KG  # mean of 4 models in kg
 | |
|       ret.wheelbase = 2.90
 | |
|       ret.centerToFront = ret.wheelbase * 0.41  # from CAR.ODYSSEY
 | |
|       ret.steerRatio = 14.35
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 32767], [0, 32767]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.82
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.45], [0.135]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate in (CAR.PILOT, CAR.PILOT_2019):
 | |
|       stop_and_go = False
 | |
|       ret.mass = 4204. * CV.LB_TO_KG + STD_CARGO_KG  # average weight
 | |
|       ret.wheelbase = 2.82
 | |
|       ret.centerToFront = ret.wheelbase * 0.428
 | |
|       ret.steerRatio = 17.25  # as spec
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.444
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.38], [0.11]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.RIDGELINE:
 | |
|       stop_and_go = False
 | |
|       ret.mass = 4515. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 3.18
 | |
|       ret.centerToFront = ret.wheelbase * 0.41
 | |
|       ret.steerRatio = 15.59  # as spec
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.444
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.38], [0.11]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     elif candidate == CAR.INSIGHT:
 | |
|       stop_and_go = True
 | |
|       ret.mass = 2987. * CV.LB_TO_KG + STD_CARGO_KG
 | |
|       ret.wheelbase = 2.7
 | |
|       ret.centerToFront = ret.wheelbase * 0.39
 | |
|       ret.steerRatio = 15.0  # 12.58 is spec end-to-end
 | |
|       ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]  # TODO: determine if there is a dead zone at the top end
 | |
|       tire_stiffness_factor = 0.82
 | |
|       ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
 | |
|       ret.longitudinalTuning.kpBP = [0., 5., 35.]
 | |
|       ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
 | |
|       ret.longitudinalTuning.kiBP = [0., 35.]
 | |
|       ret.longitudinalTuning.kiV = [0.18, 0.12]
 | |
| 
 | |
|     else:
 | |
|       raise ValueError("unsupported car %s" % candidate)
 | |
| 
 | |
|     # min speed to enable ACC. if car can do stop and go, then set enabling speed
 | |
|     # to a negative value, so it won't matter. Otherwise, add 0.5 mph margin to not
 | |
|     # conflict with PCM acc
 | |
|     ret.minEnableSpeed = -1. if (stop_and_go or ret.enableGasInterceptor) else 25.5 * CV.MPH_TO_MS
 | |
| 
 | |
|     # TODO: get actual value, for now starting with reasonable value for
 | |
|     # civic and scaling by mass and wheelbase
 | |
|     ret.rotationalInertia = scale_rot_inertia(ret.mass, ret.wheelbase)
 | |
| 
 | |
|     # TODO: start from empirically derived lateral slip stiffness for the civic and scale by
 | |
|     # mass and CG position, so all cars will have approximately similar dyn behaviors
 | |
|     ret.tireStiffnessFront, ret.tireStiffnessRear = scale_tire_stiffness(ret.mass, ret.wheelbase, ret.centerToFront,
 | |
|                                                                          tire_stiffness_factor=tire_stiffness_factor)
 | |
| 
 | |
|     ret.gasMaxBP = [0.]  # m/s
 | |
|     ret.gasMaxV = [0.6] if ret.enableGasInterceptor else [0.]  # max gas allowed
 | |
|     ret.brakeMaxBP = [5., 20.]  # m/s
 | |
|     ret.brakeMaxV = [1., 0.8]   # max brake allowed
 | |
| 
 | |
|     ret.stoppingControl = True
 | |
|     ret.startAccel = 0.5
 | |
| 
 | |
|     ret.steerActuatorDelay = 0.1
 | |
|     ret.steerRateCost = 0.5
 | |
|     ret.steerLimitTimer = 0.8
 | |
| 
 | |
|     return ret
 | |
| 
 | |
|   # returns a car.CarState
 | |
|   def update(self, c, can_strings):
 | |
|     # ******************* do can recv *******************
 | |
|     self.cp.update_strings(can_strings)
 | |
|     self.cp_cam.update_strings(can_strings)
 | |
|     if self.cp_body:
 | |
|       self.cp_body.update_strings(can_strings)
 | |
| 
 | |
|     ret = self.CS.update(self.cp, self.cp_cam, self.cp_body)
 | |
| 
 | |
|     ret.canValid = self.cp.can_valid and self.cp_cam.can_valid and (self.cp_body is None or self.cp_body.can_valid)
 | |
|     ret.yawRate = self.VM.yaw_rate(ret.steeringAngle * CV.DEG_TO_RAD, ret.vEgo)
 | |
|     # FIXME: read sendcan for brakelights
 | |
|     brakelights_threshold = 0.02 if self.CS.CP.carFingerprint == CAR.CIVIC else 0.1
 | |
|     ret.brakeLights = bool(self.CS.brake_switch or
 | |
|                            c.actuators.brake > brakelights_threshold)
 | |
| 
 | |
|     buttonEvents = []
 | |
| 
 | |
|     if self.CS.cruise_buttons != self.CS.prev_cruise_buttons:
 | |
|       be = car.CarState.ButtonEvent.new_message()
 | |
|       be.type = ButtonType.unknown
 | |
|       if self.CS.cruise_buttons != 0:
 | |
|         be.pressed = True
 | |
|         but = self.CS.cruise_buttons
 | |
|       else:
 | |
|         be.pressed = False
 | |
|         but = self.CS.prev_cruise_buttons
 | |
|       if but == CruiseButtons.RES_ACCEL:
 | |
|         be.type = ButtonType.accelCruise
 | |
|       elif but == CruiseButtons.DECEL_SET:
 | |
|         be.type = ButtonType.decelCruise
 | |
|       elif but == CruiseButtons.CANCEL:
 | |
|         be.type = ButtonType.cancel
 | |
|       elif but == CruiseButtons.MAIN:
 | |
|         be.type = ButtonType.altButton3
 | |
|       buttonEvents.append(be)
 | |
| 
 | |
|     if self.CS.cruise_setting != self.CS.prev_cruise_setting:
 | |
|       be = car.CarState.ButtonEvent.new_message()
 | |
|       be.type = ButtonType.unknown
 | |
|       if self.CS.cruise_setting != 0:
 | |
|         be.pressed = True
 | |
|         but = self.CS.cruise_setting
 | |
|       else:
 | |
|         be.pressed = False
 | |
|         but = self.CS.prev_cruise_setting
 | |
|       if but == 1:
 | |
|         be.type = ButtonType.altButton1
 | |
|       # TODO: more buttons?
 | |
|       buttonEvents.append(be)
 | |
|     ret.buttonEvents = buttonEvents
 | |
| 
 | |
|     # events
 | |
|     events = self.create_common_events(ret, pcm_enable=False)
 | |
|     if self.CS.brake_error:
 | |
|       events.add(EventName.brakeUnavailable)
 | |
|     if self.CS.brake_hold and self.CS.CP.carFingerprint not in HONDA_BOSCH:
 | |
|       events.add(EventName.brakeHold)
 | |
|     if self.CS.park_brake:
 | |
|       events.add(EventName.parkBrake)
 | |
| 
 | |
|     if self.CP.enableCruise and ret.vEgo < self.CP.minEnableSpeed:
 | |
|       events.add(EventName.belowEngageSpeed)
 | |
| 
 | |
|     # it can happen that car cruise disables while comma system is enabled: need to
 | |
|     # keep braking if needed or if the speed is very low
 | |
|     if self.CP.enableCruise and not ret.cruiseState.enabled \
 | |
|        and (c.actuators.brake <= 0. or not self.CP.openpilotLongitudinalControl):
 | |
|       # non loud alert if cruise disables below 25mph as expected (+ a little margin)
 | |
|       if ret.vEgo < self.CP.minEnableSpeed + 2.:
 | |
|         events.add(EventName.speedTooLow)
 | |
|       else:
 | |
|         events.add(EventName.cruiseDisabled)
 | |
|     if self.CS.CP.minEnableSpeed > 0 and ret.vEgo < 0.001:
 | |
|       events.add(EventName.manualRestart)
 | |
| 
 | |
|     cur_time = self.frame * DT_CTRL
 | |
|     enable_pressed = False
 | |
|     # handle button presses
 | |
|     for b in ret.buttonEvents:
 | |
| 
 | |
|       # do enable on both accel and decel buttons
 | |
|       if b.type in [ButtonType.accelCruise, ButtonType.decelCruise] and not b.pressed:
 | |
|         self.last_enable_pressed = cur_time
 | |
|         enable_pressed = True
 | |
| 
 | |
|       # do disable on button down
 | |
|       if b.type == "cancel" and b.pressed:
 | |
|         events.add(EventName.buttonCancel)
 | |
| 
 | |
|     if self.CP.enableCruise:
 | |
|       # KEEP THIS EVENT LAST! send enable event if button is pressed and there are
 | |
|       # NO_ENTRY events, so controlsd will display alerts. Also not send enable events
 | |
|       # too close in time, so a no_entry will not be followed by another one.
 | |
|       # TODO: button press should be the only thing that triggers enable
 | |
|       if ((cur_time - self.last_enable_pressed) < 0.2 and
 | |
|           (cur_time - self.last_enable_sent) > 0.2 and
 | |
|           ret.cruiseState.enabled) or \
 | |
|          (enable_pressed and events.any(ET.NO_ENTRY)):
 | |
|         events.add(EventName.buttonEnable)
 | |
|         self.last_enable_sent = cur_time
 | |
|     elif enable_pressed:
 | |
|       events.add(EventName.buttonEnable)
 | |
| 
 | |
|     ret.events = events.to_msg()
 | |
| 
 | |
|     self.CS.out = ret.as_reader()
 | |
|     return self.CS.out
 | |
| 
 | |
|   # pass in a car.CarControl
 | |
|   # to be called @ 100hz
 | |
|   def apply(self, c):
 | |
|     if c.hudControl.speedVisible:
 | |
|       hud_v_cruise = c.hudControl.setSpeed * CV.MS_TO_KPH
 | |
|     else:
 | |
|       hud_v_cruise = 255
 | |
| 
 | |
|     pcm_accel = int(clip(c.cruiseControl.accelOverride, 0, 1) * 0xc6)
 | |
| 
 | |
|     can_sends = self.CC.update(c.enabled, self.CS, self.frame,
 | |
|                                c.actuators,
 | |
|                                c.cruiseControl.speedOverride,
 | |
|                                c.cruiseControl.override,
 | |
|                                c.cruiseControl.cancel,
 | |
|                                pcm_accel,
 | |
|                                hud_v_cruise,
 | |
|                                c.hudControl.lanesVisible,
 | |
|                                hud_show_car=c.hudControl.leadVisible,
 | |
|                                hud_alert=c.hudControl.visualAlert)
 | |
| 
 | |
|     self.frame += 1
 | |
|     return can_sends
 | |
| 
 |