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jyoung/selfdrive/car/honda/interface.py

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#!/usr/bin/env python3
import numpy as np
from cereal import car
from common.numpy_fast import clip, interp
from selfdrive.swaglog import cloudlog
from selfdrive.config import Conversions as CV
from selfdrive.car.honda.values import CruiseButtons, CAR, HONDA_BOSCH, HONDA_BOSCH_ALT_BRAKE_SIGNAL
from selfdrive.car import STD_CARGO_KG, CivicParams, scale_rot_inertia, scale_tire_stiffness, gen_empty_fingerprint
from selfdrive.controls.lib.longitudinal_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
TransmissionType = car.CarParams.TransmissionType
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],
[ 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)
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(), car_fw=[]): # pylint: disable=dangerous-default-value
ret = CarInterfaceBase.get_std_params(candidate, fingerprint)
ret.carName = "honda"
if candidate in HONDA_BOSCH:
ret.safetyModel = car.CarParams.SafetyModel.hondaBoschHarness
ret.enableCamera = True
ret.radarOffCan = True
ret.openpilotLongitudinalControl = False
else:
ret.safetyModel = car.CarParams.SafetyModel.hondaNidec
ret.enableCamera = True
ret.enableGasInterceptor = 0x201 in fingerprint[0]
ret.openpilotLongitudinalControl = ret.enableCamera
if candidate == CAR.CRV_5G:
ret.enableBsm = 0x12f8bfa7 in fingerprint[0]
# Accord 1.5T CVT has different gearbox message
if candidate == CAR.ACCORD and 0x191 in fingerprint[1]:
ret.transmissionType = TransmissionType.cvt
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.ACCORDH):
stop_and_go = True
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.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 = [[0.21], [0.07]]
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.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 = [[0.2], [0.05]]
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.ACURA_RDX_3G:
stop_and_go = True
ret.mass = 4068. * CV.LB_TO_KG + STD_CARGO_KG
ret.wheelbase = 2.75
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 11.95 # as spec
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 3840], [0, 3840]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
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.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 = [[0.28], [0.08]]
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 = [[0.28], [0.08]]
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)
# These cars use alternate user brake msg (0x1BE)
if candidate in HONDA_BOSCH_ALT_BRAKE_SIGNAL:
ret.safetyParam = 1
# 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.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.steeringAngleDeg * CV.DEG_TO_RAD, ret.vEgo)
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=self.CP.enableCruise)
if self.CS.brake_error:
events.add(EventName.brakeUnavailable)
if self.CS.brake_hold and self.CS.CP.openpilotLongitudinalControl:
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)
# 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:
if not self.CP.enableCruise:
events.add(EventName.buttonEnable)
# do disable on button down
if b.type == ButtonType.cancel and b.pressed:
events.add(EventName.buttonCancel)
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