class CarInterface(object):
def __init__(self, CP, sendcan=None):
self.CP = CP
self.VM = VehicleModel(CP)
self.frame = 0
self.can_invalid_count = 0
self.gas_pressed_prev = False
self.brake_pressed_prev = False
self.cruise_enabled_prev = False
self.low_speed_alert = False
# *** init the major players ***
self.CS = CarState(CP)
self.cp = get_can_parser(CP)
# sending if read only is False
if sendcan is not None:
self.sendcan = sendcan
self.CC = CarController(self.cp.dbc_name, CP.carFingerprint, CP.enableCamera)
@staticmethod
def compute_gb(accel, speed):
return float(accel) / 3.0
@staticmethod
def calc_accel_override(a_ego, a_target, v_ego, v_target):
return 1.0
@staticmethod
def get_params(candidate, fingerprint):
# kg of standard extra cargo to count for drive, gas, etc...
std_cargo = 136
ret = car.CarParams.new_message()
ret.carName = "chrysler"
ret.carFingerprint = candidate
ret.safetyModel = car.CarParams.SafetyModels.chrysler
# pedal
ret.enableCruise = True
# FIXME: hardcoding honda civic 2016 touring params so they can be used to
# scale unknown params for other cars
mass_civic = 2923./2.205 + std_cargo
wheelbase_civic = 2.70
centerToFront_civic = wheelbase_civic * 0.4
centerToRear_civic = wheelbase_civic - centerToFront_civic
rotationalInertia_civic = 2500
tireStiffnessFront_civic = 85400 * 2.0
tireStiffnessRear_civic = 90000 * 2.0
# Speed conversion: 20, 45 mph
ret.steerKpBP, ret.steerKiBP = [[9., 20.], [9., 20.]]
ret.wheelbase = 3.089 # in meters for Pacifica Hybrid 2017
ret.steerRatio = 16.2 # Pacifica Hybrid 2017
ret.mass = 2858 + std_cargo # kg curb weight Pacifica Hybrid 2017
ret.steerKpV, ret.steerKiV = [[0.15,0.30], [0.03,0.05]]
ret.steerKf = 0.00006 # full torque for 10 deg at 80mph means 0.00007818594
ret.steerActuatorDelay = 0.1
ret.steerRateCost = 0.7
if candidate == CAR.JEEP_CHEROKEE:
ret.wheelbase = 2.91 # in meters
ret.steerRatio = 12.7
ret.steerActuatorDelay = 0.2 # in seconds
ret.centerToFront = ret.wheelbase * 0.44
ret.longPidDeadzoneBP = [0., 9.]
ret.longPidDeadzoneV = [0., .15]
ret.minSteerSpeed = 3.8 # m/s
ret.minEnableSpeed = -1. # enable is done by stock ACC, so ignore this
centerToRear = ret.wheelbase - ret.centerToFront
# TODO: get actual value, for now starting with reasonable value for
# civic and scaling by mass and wheelbase
ret.rotationalInertia = rotationalInertia_civic * \
ret.mass * ret.wheelbase**2 / (mass_civic * wheelbase_civic**2)
# 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 = tireStiffnessFront_civic * \
ret.mass / mass_civic * \
(centerToRear / ret.wheelbase) / (centerToRear_civic / wheelbase_civic)
ret.tireStiffnessRear = tireStiffnessRear_civic * \
ret.mass / mass_civic * \
(ret.centerToFront / ret.wheelbase) / (centerToFront_civic / wheelbase_civic)
# no rear steering, at least on the listed cars above
ret.steerRatioRear = 0.
# steer, gas, brake limitations VS speed
ret.steerMaxBP = [16. * CV.KPH_TO_MS, 45. * CV.KPH_TO_MS] # breakpoints at 1 and 40 kph
ret.steerMaxV = [1., 1.] # 2/3rd torque allowed above 45 kph
ret.gasMaxBP = [0.]
ret.gasMaxV = [0.5]
ret.brakeMaxBP = [5., 20.]
ret.brakeMaxV = [1., 0.8]
ret.enableCamera = not check_ecu_msgs(fingerprint, ECU.CAM)
print "ECU Camera Simulated: ", ret.enableCamera
ret.openpilotLongitudinalControl = False
ret.steerLimitAlert = True
ret.stoppingControl = False
ret.startAccel = 0.0
ret.longitudinalKpBP = [0., 5., 35.]
ret.longitudinalKpV = [3.6, 2.4, 1.5]
ret.longitudinalKiBP = [0., 35.]
ret.longitudinalKiV = [0.54, 0.36]
return ret
# returns a car.CarState
def update(self, c):
# ******************* do can recv *******************
canMonoTimes = []
self.cp.update(int(sec_since_boot() * 1e9), False)
self.CS.update(self.cp)
# create message
ret = car.CarState.new_message()
# speeds
ret.vEgo = self.CS.v_ego
ret.vEgoRaw = self.CS.v_ego_raw
ret.aEgo = self.CS.a_ego
ret.yawRate = self.VM.yaw_rate(self.CS.angle_steers * CV.DEG_TO_RAD, self.CS.v_ego)
ret.standstill = self.CS.standstill
ret.wheelSpeeds.fl = self.CS.v_wheel_fl
ret.wheelSpeeds.fr = self.CS.v_wheel_fr
ret.wheelSpeeds.rl = self.CS.v_wheel_rl
ret.wheelSpeeds.rr = self.CS.v_wheel_rr
# gear shifter
ret.gearShifter = self.CS.gear_shifter
# gas pedal
ret.gas = self.CS.car_gas
ret.gasPressed = self.CS.pedal_gas > 0
# brake pedal
ret.brake = self.CS.user_brake
ret.brakePressed = self.CS.brake_pressed
ret.brakeLights = self.CS.brake_lights
# steering wheel
ret.steeringAngle = self.CS.angle_steers
ret.steeringRate = self.CS.angle_steers_rate
ret.steeringTorque = self.CS.steer_torque_driver
ret.steeringPressed = self.CS.steer_override
# cruise state
ret.cruiseState.enabled = self.CS.pcm_acc_status # same as main_on
ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS
ret.cruiseState.available = self.CS.main_on
ret.cruiseState.speedOffset = 0.
# ignore standstill in hybrid rav4, since pcm allows to restart without
# receiving any special command
ret.cruiseState.standstill = False
# TODO: button presses
buttonEvents = []
if self.CS.left_blinker_on != self.CS.prev_left_blinker_on:
be = car.CarState.ButtonEvent.new_message()
be.type = 'leftBlinker'
be.pressed = self.CS.left_blinker_on != 0
buttonEvents.append(be)
if self.CS.right_blinker_on != self.CS.prev_right_blinker_on:
be = car.CarState.ButtonEvent.new_message()
be.type = 'rightBlinker'
be.pressed = self.CS.right_blinker_on != 0
buttonEvents.append(be)
ret.buttonEvents = buttonEvents
ret.leftBlinker = bool(self.CS.left_blinker_on)
ret.rightBlinker = bool(self.CS.right_blinker_on)
ret.doorOpen = not self.CS.door_all_closed
ret.seatbeltUnlatched = not self.CS.seatbelt
self.low_speed_alert = (ret.vEgo < self.CP.minSteerSpeed)
ret.genericToggle = self.CS.generic_toggle
# events
events = []
if not self.CS.can_valid:
self.can_invalid_count += 1
if self.can_invalid_count >= 5:
events.append(create_event('commIssue', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
else:
self.can_invalid_count = 0
if not ret.gearShifter == 'drive':
events.append(create_event('wrongGear', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if ret.doorOpen:
events.append(create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if ret.seatbeltUnlatched:
events.append(create_event('seatbeltNotLatched', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if self.CS.esp_disabled:
events.append(create_event('espDisabled', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if not self.CS.main_on:
events.append(create_event('wrongCarMode', [ET.NO_ENTRY, ET.USER_DISABLE]))
if ret.gearShifter == 'reverse':
events.append(create_event('reverseGear', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
if self.CS.steer_error:
events.append(create_event('steerUnavailable', [ET.NO_ENTRY, ET.IMMEDIATE_DISABLE, ET.PERMANENT]))
if ret.cruiseState.enabled and not self.cruise_enabled_prev:
events.append(create_event('pcmEnable', [ET.ENABLE]))
elif not ret.cruiseState.enabled:
events.append(create_event('pcmDisable', [ET.USER_DISABLE]))
# disable on gas pedal and speed isn't zero. Gas pedal is used to resume ACC
# from a 3+ second stop.
if (ret.gasPressed and (not self.gas_pressed_prev) and ret.vEgo > 2.0):
events.append(create_event('pedalPressed', [ET.NO_ENTRY, ET.USER_DISABLE]))
if self.low_speed_alert:
events.append(create_event('belowSteerSpeed', [ET.WARNING]))
ret.events = events
ret.canMonoTimes = canMonoTimes
self.gas_pressed_prev = ret.gasPressed
self.brake_pressed_prev = ret.brakePressed
self.cruise_enabled_prev = ret.cruiseState.enabled
return ret.as_reader()
# pass in a car.CarControl
# to be called @ 100hz
def apply(self, c, perception_state=log.Live20Data.new_message()):
if (self.CS.frame == -1):
return False # if we haven't seen a frame 220, then do not update.
self.frame = self.CS.frame
self.CC.update(self.sendcan, c.enabled, self.CS, self.frame,
c.actuators, c.cruiseControl.cancel, c.hudControl.visualAlert,
c.hudControl.audibleAlert)
return False
class CarInterface(object):
def __init__(self, CP, sendcan=None):
self.CP = CP
self.VM = VehicleModel(CP)
self.frame = 0
self.can_invalid_count = 0
self.gas_pressed_prev = False
self.brake_pressed_prev = False
self.cruise_enabled_prev = False
# *** init the major players ***
self.CS = CarState(CP)
self.cp = get_can_parser(CP)
# sending if read only is False
if sendcan is not None:
self.sendcan = sendcan
self.CC = CarController(self.cp.dbc_name, CP.carFingerprint,
CP.enableCamera, CP.enableDsu,
CP.enableApgs)
@staticmethod
def compute_gb(accel, speed):
return float(accel) / 3.0
@staticmethod
def calc_accel_override(a_ego, a_target, v_ego, v_target):
return 1.0
@staticmethod
def get_params(candidate, fingerprint):
# kg of standard extra cargo to count for drive, gas, etc...
std_cargo = 136
ret = car.CarParams.new_message()
ret.carName = "chrysler"
ret.carFingerprint = candidate
ret.safetyModel = car.CarParams.SafetyModels.chrysler
# pedal
ret.enableCruise = True
# FIXME: hardcoding honda civic 2016 touring params so they can be used to
# scale unknown params for other cars
mass_civic = 2923. / 2.205 + std_cargo
wheelbase_civic = 2.70
centerToFront_civic = wheelbase_civic * 0.4
centerToRear_civic = wheelbase_civic - centerToFront_civic
rotationalInertia_civic = 2500
tireStiffnessFront_civic = 85400 * 2.0
tireStiffnessRear_civic = 90000 * 2.0
# Speed conversion: 0, 20, 45, 75 mph
ret.steerKpBP, ret.steerKiBP = [[0., 9., 20., 34.], [0., 9., 20., 34.]]
ret.safetyParam = 73 # see conversion factor for STEER_TORQUE_EPS in dbc file
ret.wheelbase = 3.089 # in meters for Pacifica Hybrid 2017
ret.steerRatio = 16.2 # Pacifica Hybrid 2017
ret.mass = 2858 + std_cargo # kg curb weight Pacifica Hybrid 2017
ret.steerKpV, ret.steerKiV = [[0.15, 0.15, 0.34, 0.34],
[0.03, 0.03, 0.03, 0.03]]
ret.steerKf = 0.00006 # full torque for 10 deg at 80mph means 0.00007818594
ret.steerActuatorDelay = 0.1
ret.steerRateCost = 1.
ret.centerToFront = ret.wheelbase * 0.44
ret.longPidDeadzoneBP = [0., 9.]
ret.longPidDeadzoneV = [0., .15]
# 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.
ret.minEnableSpeed = 5. * CV.MPH_TO_MS # -1 for stop-and-go
centerToRear = ret.wheelbase - ret.centerToFront
# TODO: get actual value, for now starting with reasonable value for
# civic and scaling by mass and wheelbase
ret.rotationalInertia = rotationalInertia_civic * \
ret.mass * ret.wheelbase**2 / (mass_civic * wheelbase_civic**2)
# 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 = tireStiffnessFront_civic * \
ret.mass / mass_civic * \
(centerToRear / ret.wheelbase) / (centerToRear_civic / wheelbase_civic)
ret.tireStiffnessRear = tireStiffnessRear_civic * \
ret.mass / mass_civic * \
(ret.centerToFront / ret.wheelbase) / (centerToFront_civic / wheelbase_civic)
# no rear steering, at least on the listed cars above
ret.steerRatioRear = 0.
# steer, gas, brake limitations VS speed
ret.steerMaxBP = [16. * CV.KPH_TO_MS,
45. * CV.KPH_TO_MS] # breakpoints at 1 and 40 kph
ret.steerMaxV = [1., 1.] # 2/3rd torque allowed above 45 kph
ret.gasMaxBP = [0.]
ret.gasMaxV = [0.5]
ret.brakeMaxBP = [5., 20.]
ret.brakeMaxV = [1., 0.8]
ret.enableCamera = not check_ecu_msgs(fingerprint, candidate, ECU.CAM)
ret.enableDsu = False #not check_ecu_msgs(fingerprint, candidate, ECU.DSU)
ret.enableApgs = False #not check_ecu_msgs(fingerprint, candidate, ECU.APGS)
print "ECU Camera Simulated: ", ret.enableCamera
print "ECU DSU Simulated: ", ret.enableDsu
print "ECU APGS Simulated: ", ret.enableApgs
ret.steerLimitAlert = False
ret.stoppingControl = False
ret.startAccel = 0.0
ret.longitudinalKpBP = [0., 5., 35.]
ret.longitudinalKpV = [3.6, 2.4, 1.5]
ret.longitudinalKiBP = [0., 35.]
ret.longitudinalKiV = [0.54, 0.36]
return ret
# returns a car.CarState
def update(self, c):
# ******************* do can recv *******************
canMonoTimes = []
self.cp.update(int(sec_since_boot() * 1e9), False)
self.CS.update(self.cp)
# create message
ret = car.CarState.new_message()
# speeds
ret.vEgo = self.CS.v_ego
ret.vEgoRaw = self.CS.v_ego_raw
ret.aEgo = self.CS.a_ego
ret.yawRate = self.VM.yaw_rate(self.CS.angle_steers * CV.DEG_TO_RAD,
self.CS.v_ego)
ret.standstill = self.CS.standstill
ret.wheelSpeeds.fl = self.CS.v_wheel_fl
ret.wheelSpeeds.fr = self.CS.v_wheel_fr
ret.wheelSpeeds.rl = self.CS.v_wheel_rl
ret.wheelSpeeds.rr = self.CS.v_wheel_rr
# gear shifter
ret.gearShifter = self.CS.gear_shifter
# gas pedal
ret.gas = self.CS.car_gas
ret.gasPressed = self.CS.pedal_gas > 0
# brake pedal
ret.brake = self.CS.user_brake
ret.brakePressed = self.CS.brake_pressed
ret.brakeLights = self.CS.brake_lights
# steering wheel
ret.steeringAngle = self.CS.angle_steers
ret.steeringRate = self.CS.angle_steers_rate
ret.steeringTorque = self.CS.steer_torque_driver
ret.steeringPressed = self.CS.steer_override
# cruise state
ret.cruiseState.enabled = self.CS.pcm_acc_status # is this the same as main_on an issue?
ret.cruiseState.speed = self.CS.v_cruise_pcm * CV.KPH_TO_MS
ret.cruiseState.available = self.CS.main_on
ret.cruiseState.speedOffset = 0.
# ignore standstill in hybrid rav4, since pcm allows to restart without
# receiving any special command
ret.cruiseState.standstill = False
# TODO: button presses
buttonEvents = []
if self.CS.left_blinker_on != self.CS.prev_left_blinker_on:
be = car.CarState.ButtonEvent.new_message()
be.type = 'leftBlinker'
be.pressed = self.CS.left_blinker_on != 0
buttonEvents.append(be)
if self.CS.right_blinker_on != self.CS.prev_right_blinker_on:
be = car.CarState.ButtonEvent.new_message()
be.type = 'rightBlinker'
be.pressed = self.CS.right_blinker_on != 0
buttonEvents.append(be)
ret.buttonEvents = buttonEvents
ret.leftBlinker = bool(self.CS.left_blinker_on)
ret.rightBlinker = bool(self.CS.right_blinker_on)
ret.doorOpen = not self.CS.door_all_closed
ret.seatbeltUnlatched = not self.CS.seatbelt
ret.genericToggle = self.CS.generic_toggle
# events
events = []
if not self.CS.can_valid:
self.can_invalid_count += 1
if self.can_invalid_count >= 5:
events.append(
create_event('commIssue',
[ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
else:
self.can_invalid_count = 0
if not ret.gearShifter == 'drive' and self.CP.enableDsu:
events.append(
create_event('wrongGear', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if ret.doorOpen:
events.append(
create_event('doorOpen', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if ret.seatbeltUnlatched:
events.append(
create_event('seatbeltNotLatched',
[ET.NO_ENTRY, ET.SOFT_DISABLE]))
if self.CS.esp_disabled and self.CP.enableDsu:
events.append(
create_event('espDisabled', [ET.NO_ENTRY, ET.SOFT_DISABLE]))
if not self.CS.main_on and self.CP.enableDsu:
events.append(
create_event('wrongCarMode', [ET.NO_ENTRY, ET.USER_DISABLE]))
if ret.gearShifter == 'reverse' and self.CP.enableDsu:
events.append(
create_event('reverseGear',
[ET.NO_ENTRY, ET.IMMEDIATE_DISABLE]))
if self.CS.steer_error:
events.append(
create_event('steerTempUnavailable',
[ET.NO_ENTRY, ET.WARNING]))
if self.CS.low_speed_lockout and self.CP.enableDsu:
events.append(
create_event('lowSpeedLockout', [ET.NO_ENTRY, ET.PERMANENT]))
if ret.vEgo < self.CP.minEnableSpeed and self.CP.enableDsu:
events.append(create_event('speedTooLow', [ET.NO_ENTRY]))
if c.actuators.gas > 0.1:
# some margin on the actuator to not false trigger cancellation while stopping
events.append(
create_event('speedTooLow', [ET.IMMEDIATE_DISABLE]))
if ret.vEgo < 0.001:
# while in standstill, send a user alert
events.append(create_event('manualRestart', [ET.WARNING]))
# enable request in prius is simple, as we activate when Toyota is active (rising edge)
if ret.cruiseState.enabled and not self.cruise_enabled_prev:
events.append(create_event('pcmEnable', [ET.ENABLE]))
elif not ret.cruiseState.enabled:
events.append(create_event('pcmDisable', [ET.USER_DISABLE]))
# disable on pedals rising edge or when brake is pressed and speed isn't zero
if (ret.gasPressed and not self.gas_pressed_prev) or \
(ret.brakePressed and (not self.brake_pressed_prev or ret.vEgo > 0.001)):
events.append(
create_event('pedalPressed', [ET.NO_ENTRY, ET.USER_DISABLE]))
if ret.gasPressed:
events.append(create_event('pedalPressed', [ET.PRE_ENABLE]))
ret.events = events
ret.canMonoTimes = canMonoTimes
self.gas_pressed_prev = ret.gasPressed
self.brake_pressed_prev = ret.brakePressed
self.cruise_enabled_prev = ret.cruiseState.enabled
return ret.as_reader()
# pass in a car.CarControl
# to be called @ 100hz
def apply(self, c, perception_state=log.Live20Data.new_message()):
#! if our frame isn't synced with 220, then reset it.
# this wasn't needed in the game, so could it be needed for OP?!?!
# check if it's more than 3 away, accounting for 0x10 wrap-around.
f1 = int(self.frame) % 0x10
f2 = int(self.CS.frame_220
) % 0x10 # shouldn't need the mod, but just in case.
fmin = min(f1, f2)
fmax = max(f1, f2)
if ((fmax - fmin) > 2) and ((fmin + 0x10 - fmax) > 2):
# copy lower nibble from frame_220 to our frame so they match
self.frame = (int(self.frame) & 0xfffffff0) | f2
self.CC.update(self.sendcan, c.enabled, self.CS, self.frame,
c.actuators, c.cruiseControl.cancel,
c.hudControl.visualAlert, c.hudControl.audibleAlert)
self.frame += 1
return False