class Controls(object):
def __init__(self, gctx, rate=100):
self.rate = rate
# *** log ***
context = zmq.Context()
# pub
self.live100 = messaging.pub_sock(context, service_list['live100'].port)
self.carstate = messaging.pub_sock(context, service_list['carState'].port)
self.carcontrol = messaging.pub_sock(context, service_list['carControl'].port)
sendcan = messaging.pub_sock(context, service_list['sendcan'].port)
# sub
self.thermal = messaging.sub_sock(context, service_list['thermal'].port)
self.health = messaging.sub_sock(context, service_list['health'].port)
logcan = messaging.sub_sock(context, service_list['can'].port)
self.cal = messaging.sub_sock(context, service_list['liveCalibration'].port)
self.CC = car.CarControl.new_message()
self.CI, self.CP = get_car(logcan, sendcan)
self.PL = Planner(self.CP)
self.AM = AlertManager()
self.LoC = LongControl()
self.LaC = LatControl()
# write CarParams
params = Params()
params.put("CarParams", self.CP.to_bytes())
# fake plan
self.plan_ts = 0
self.plan = log.Plan.new_message()
self.plan.lateralValid = False
self.plan.longitudinalValid = False
# controls enabled state
self.enabled = False
self.last_enable_request = 0
# learned angle offset
self.angle_offset = 0
# rear view camera state
self.rear_view_toggle = False
self.rear_view_allowed = bool(params.get("IsRearViewMirror"))
self.v_cruise_kph = 255
# 0.0 - 1.0
self.awareness_status = 1.0
self.soft_disable_timer = None
self.overtemp = False
self.free_space = 1.0
self.cal_status = Calibration.UNCALIBRATED
self.cal_perc = 0
self.rk = Ratekeeper(self.rate, print_delay_threshold=2./1000)
def data_sample(self):
self.prof = Profiler()
self.cur_time = sec_since_boot()
# first read can and compute car states
self.CS = self.CI.update()
self.prof.checkpoint("CarInterface")
# *** thermal checking logic ***
# thermal data, checked every second
td = messaging.recv_sock(self.thermal)
if td is not None:
# Check temperature.
self.overtemp = any(
t > 950
for t in (td.thermal.cpu0, td.thermal.cpu1, td.thermal.cpu2,
td.thermal.cpu3, td.thermal.mem, td.thermal.gpu))
# under 15% of space free
self.free_space = td.thermal.freeSpace
# read calibration status
cal = messaging.recv_sock(self.cal)
if cal is not None:
self.cal_status = cal.liveCalibration.calStatus
self.cal_perc = cal.liveCalibration.calPerc
def state_transition(self):
pass # for now
def state_control(self):
# did it request to enable?
enable_request, enable_condition = False, False
# reset awareness status on steering
if self.CS.steeringPressed or not self.enabled:
self.awareness_status = 1.0
elif self.enabled:
# gives the user 6 minutes
self.awareness_status -= 1.0/(self.rate * AWARENESS_TIME)
if self.awareness_status <= 0.:
self.AM.add("driverDistracted", self.enabled)
elif self.awareness_status <= AWARENESS_PRE_TIME / AWARENESS_TIME and \
self.awareness_status >= (AWARENESS_PRE_TIME - 0.1) / AWARENESS_TIME:
self.AM.add("preDriverDistracted", self.enabled)
# handle button presses
for b in self.CS.buttonEvents:
print b
# button presses for rear view
if b.type == "leftBlinker" or b.type == "rightBlinker":
if b.pressed and self.rear_view_allowed:
self.rear_view_toggle = True
else:
self.rear_view_toggle = False
if b.type == "altButton1" and b.pressed:
self.rear_view_toggle = not self.rear_view_toggle
if not self.CP.enableCruise and self.enabled and not b.pressed:
if b.type == "accelCruise":
self.v_cruise_kph -= (self.v_cruise_kph % V_CRUISE_DELTA) - V_CRUISE_DELTA
elif b.type == "decelCruise":
self.v_cruise_kph -= (self.v_cruise_kph % V_CRUISE_DELTA) + V_CRUISE_DELTA
self.v_cruise_kph = clip(self.v_cruise_kph, V_CRUISE_MIN, V_CRUISE_MAX)
if not self.enabled and b.type in ["accelCruise", "decelCruise"] and not b.pressed:
enable_request = True
# do disable on button down
if b.type == "cancel" and b.pressed:
self.AM.add("disable", self.enabled)
self.prof.checkpoint("Buttons")
# *** health checking logic ***
hh = messaging.recv_sock(self.health)
if hh is not None:
# if the board isn't allowing controls but somehow we are enabled!
# TODO: this should be in state transition with a function follower logic
if not hh.health.controlsAllowed and self.enabled:
self.AM.add("controlsMismatch", self.enabled)
# disable if the pedals are pressed while engaged, this is a user disable
if self.enabled:
if self.CS.gasPressed or self.CS.brakePressed or not self.CS.cruiseState.available:
self.AM.add("disable", self.enabled)
# 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
# TODO: for the Acura, cancellation below 25mph is normal. Issue a non loud alert
if self.CP.enableCruise and not self.CS.cruiseState.enabled and \
(self.CC.brake <= 0. or self.CS.vEgo < 0.3):
self.AM.add("cruiseDisabled", self.enabled)
if enable_request:
# check for pressed pedals
if self.CS.gasPressed or self.CS.brakePressed:
self.AM.add("pedalPressed", self.enabled)
enable_request = False
else:
print "enabled pressed at", self.cur_time
self.last_enable_request = self.cur_time
# don't engage with less than 15% free
if self.free_space < 0.15:
self.AM.add("outOfSpace", self.enabled)
enable_request = False
if self.CP.enableCruise:
enable_condition = ((self.cur_time - self.last_enable_request) < 0.2) and self.CS.cruiseState.enabled
else:
enable_condition = enable_request
print "=============="
print enable_condition
if self.CP.enableCruise and self.CS.cruiseState.enabled:
self.v_cruise_kph = self.CS.cruiseState.speed * CV.MS_TO_KPH
self.prof.checkpoint("AdaptiveCruise")
# *** what's the plan ***
plan_packet = self.PL.update(self.CS, self.LoC)
#print "============"
#print plan_packet
self.plan = plan_packet.plan
self.plan_ts = plan_packet.logMonoTime
# if user is not responsive to awareness alerts, then start a smooth deceleration
if self.awareness_status < -0.:
self.plan.aTargetMax = min(self.plan.aTargetMax, AWARENESS_DECEL)
self.plan.aTargetMin = min(self.plan.aTargetMin, self.plan.aTargetMax)
if enable_request or enable_condition or self.enabled:
# add all alerts from car
for alert in self.CS.errors:
self.AM.add(alert, self.enabled)
if not self.plan.longitudinalValid:
self.AM.add("radarCommIssue", self.enabled)
if self.cal_status != Calibration.CALIBRATED:
if self.cal_status == Calibration.UNCALIBRATED:
self.AM.add("calibrationInProgress", self.enabled, str(self.cal_perc) + '%')
else:
self.AM.add("calibrationInvalid", self.enabled)
if not self.plan.lateralValid:
# If the model is not broadcasting, assume that it is because
# the user has uploaded insufficient data for calibration.
# Other cases that would trigger this are rare and unactionable by the user.
self.AM.add("dataNeeded", self.enabled)
if self.overtemp:
self.AM.add("overheat", self.enabled)
# *** angle offset learning ***
if self.rk.frame % 5 == 2 and self.plan.lateralValid:
# *** run this at 20hz again ***
self.angle_offset = learn_angle_offset(self.enabled, self.CS.vEgo, self.angle_offset,
self.plan.dPoly, self.LaC.y_des, self.CS.steeringPressed)
# *** gas/brake PID loop ***
final_gas, final_brake = self.LoC.update(self.enabled, self.CS.vEgo, self.v_cruise_kph,
self.plan.vTarget,
[self.plan.aTargetMin, self.plan.aTargetMax],
self.plan.jerkFactor, self.CP)
# *** steering PID loop ***
final_steer, sat_flag = self.LaC.update(self.enabled, self.CS.vEgo, self.CS.steeringAngle,
self.CS.steeringPressed, self.plan.dPoly, self.angle_offset, self.CP)
self.prof.checkpoint("PID")
# ***** handle alerts ****
# send FCW alert if triggered by planner
if self.plan.fcw:
self.AM.add("fcw", self.enabled)
# send a "steering required alert" if saturation count has reached the limit
if sat_flag:
self.AM.add("steerSaturated", self.enabled)
if self.enabled and self.AM.alertShouldDisable():
print "DISABLING IMMEDIATELY ON ALERT"
self.enabled = False
if self.enabled and self.AM.alertShouldSoftDisable():
if self.soft_disable_timer is None:
self.soft_disable_timer = 3 * self.rate
elif self.soft_disable_timer == 0:
print "SOFT DISABLING ON ALERT"
self.enabled = False
else:
self.soft_disable_timer -= 1
else:
self.soft_disable_timer = None
if enable_condition and not self.enabled and not self.AM.alertPresent():
print "*** enabling controls"
# beep for enabling
self.AM.add("enable", self.enabled)
# enable both lateral and longitudinal controls
self.enabled = True
# on activation, let's always set v_cruise from where we are, even if PCM ACC is active
self.v_cruise_kph = int(round(max(self.CS.vEgo * CV.MS_TO_KPH, V_CRUISE_ENABLE_MIN)))
# 6 minutes driver you're on
self.awareness_status = 1.0
# reset the PID loops
self.LaC.reset()
# start long control at actual speed
self.LoC.reset(v_pid = self.CS.vEgo)
# *** push the alerts to current ***
# TODO: remove output, store them inside AM class instead
self.alert_text_1, self.alert_text_2, self.visual_alert, self.audible_alert = self.AM.process_alerts(self.cur_time)
# ***** control the car *****
self.CC.enabled = self.enabled
self.CC.gas = float(final_gas)
self.CC.brake = float(final_brake)
self.CC.steeringTorque = float(final_steer)
self.CC.cruiseControl.override = True
# always cancel if we have an interceptor
self.CC.cruiseControl.cancel = bool(not self.CP.enableCruise or
(not self.enabled and self.CS.cruiseState.enabled))
# brake discount removes a sharp nonlinearity
brake_discount = (1.0 - clip(final_brake*3., 0.0, 1.0))
self.CC.cruiseControl.speedOverride = float(max(0.0, ((self.LoC.v_pid - .5) * brake_discount)) if self.CP.enableCruise else 0.0)
#CC.cruiseControl.accelOverride = float(AC.a_pcm)
# TODO: fix this
self.CC.cruiseControl.accelOverride = float(1.0)
self.CC.hudControl.setSpeed = float(self.v_cruise_kph * CV.KPH_TO_MS)
self.CC.hudControl.speedVisible = self.enabled
self.CC.hudControl.lanesVisible = self.enabled
self.CC.hudControl.leadVisible = self.plan.hasLead
self.CC.hudControl.visualAlert = self.visual_alert
self.CC.hudControl.audibleAlert = self.audible_alert
# TODO: remove it from here and put it in state_transition
# this alert will apply next controls cycle
if not self.CI.apply(self.CC):
self.AM.add("controlsFailed", self.enabled)
def data_send(self):
# broadcast carControl first
cc_send = messaging.new_message()
cc_send.init('carControl')
cc_send.carControl = copy(self.CC)
self.carcontrol.send(cc_send.to_bytes())
self.prof.checkpoint("CarControl")
# broadcast carState
cs_send = messaging.new_message()
cs_send.init('carState')
cs_send.carState = copy(self.CS)
self.carstate.send(cs_send.to_bytes())
# ***** publish state to logger *****
# publish controls state at 100Hz
dat = messaging.new_message()
dat.init('live100')
# show rear view camera on phone if in reverse gear or when button is pressed
dat.live100.rearViewCam = ('reverseGear' in self.CS.errors and self.rear_view_allowed) or self.rear_view_toggle
dat.live100.alertText1 = self.alert_text_1
dat.live100.alertText2 = self.alert_text_2
dat.live100.awarenessStatus = max(self.awareness_status, 0.0) if self.enabled else 0.0
# what packets were used to process
dat.live100.canMonoTimes = list(self.CS.canMonoTimes)
dat.live100.planMonoTime = self.plan_ts
# if controls is enabled
dat.live100.enabled = self.enabled
# car state
dat.live100.vEgo = self.CS.vEgo
dat.live100.angleSteers = self.CS.steeringAngle
dat.live100.steerOverride = self.CS.steeringPressed
# longitudinal control state
dat.live100.vPid = float(self.LoC.v_pid)
dat.live100.vCruise = float(self.v_cruise_kph)
dat.live100.upAccelCmd = float(self.LoC.Up_accel_cmd)
dat.live100.uiAccelCmd = float(self.LoC.Ui_accel_cmd)
# lateral control state
dat.live100.yActual = float(self.LaC.y_actual)
dat.live100.yDes = float(self.LaC.y_des)
dat.live100.upSteer = float(self.LaC.Up_steer)
dat.live100.uiSteer = float(self.LaC.Ui_steer)
# processed radar state, should add a_pcm?
dat.live100.vTargetLead = float(self.plan.vTarget)
dat.live100.aTargetMin = float(self.plan.aTargetMin)
dat.live100.aTargetMax = float(self.plan.aTargetMax)
dat.live100.jerkFactor = float(self.plan.jerkFactor)
# log learned angle offset
dat.live100.angleOffset = float(self.angle_offset)
# lag
dat.live100.cumLagMs = -self.rk.remaining*1000.
self.live100.send(dat.to_bytes())
self.prof.checkpoint("Live100")
def wait(self):
# *** run loop at fixed rate ***
if self.rk.keep_time():
self.prof.display()
def controlsd_thread(gctx, rate=100): #rate in Hz
# *** log ***
context = zmq.Context()
live100 = messaging.pub_sock(context, service_list['live100'].port)
carstate = messaging.pub_sock(context, service_list['carState'].port)
carcontrol = messaging.pub_sock(context, service_list['carControl'].port)
sendcan = messaging.pub_sock(context, service_list['sendcan'].port)
thermal = messaging.sub_sock(context, service_list['thermal'].port)
live20 = messaging.sub_sock(context, service_list['live20'].port)
model = messaging.sub_sock(context, service_list['model'].port)
health = messaging.sub_sock(context, service_list['health'].port)
logcan = messaging.sub_sock(context, service_list['can'].port)
# connects to can and sendcan
CI = CarInterface()
VP = CI.getVehicleParams()
PP = PathPlanner(model)
AC = AdaptiveCruise(live20)
AM = AlertManager()
LoC = LongControl()
LaC = LatControl()
# controls enabled state
enabled = False
last_enable_request = 0
# learned angle offset
angle_offset = 0
# rear view camera state
rear_view_toggle = False
v_cruise_kph = 255
# 0.0 - 1.0
awareness_status = 0.0
soft_disable_timer = None
# Is cpu temp too high to enable?
overtemp = False
free_space = 1.0
# start the loop
set_realtime_priority(2)
rk = Ratekeeper(rate, print_delay_threshold=2. / 1000)
while 1:
prof = Profiler()
cur_time = sec_since_boot()
# read CAN
# CS = CI.update()
CS = car.CarState.new_message()
CS.vEgo = 13
for a in messaging.drain_sock(logcan):
CS.steeringAngle = a.carState.steeringAngle
# broadcast carState
cs_send = messaging.new_message()
cs_send.init('carState')
cs_send.carState = CS # copy?
carstate.send(cs_send.to_bytes())
prof.checkpoint("CarInterface")
# did it request to enable?
enable_request, enable_condition = False, False
if enabled:
# gives the user 6 minutes
# awareness_status -= 1.0/(100*60*6)
if awareness_status <= 0.:
# AM.add("driverDistracted", enabled)
awareness_status = 1.0
# reset awareness status on steering
if CS.steeringPressed:
awareness_status = 1.0
# handle button presses
for b in CS.buttonEvents:
print b
# reset awareness on any user action
awareness_status = 1.0
# button presses for rear view
if b.type == "leftBlinker" or b.type == "rightBlinker":
if b.pressed:
rear_view_toggle = True
else:
rear_view_toggle = False
if b.type == "altButton1" and b.pressed:
rear_view_toggle = not rear_view_toggle
if not VP.brake_only and enabled and not b.pressed:
if b.type == "accelCruise":
v_cruise_kph = v_cruise_kph - (
v_cruise_kph % V_CRUISE_DELTA) + V_CRUISE_DELTA
elif b.type == "decelCruise":
v_cruise_kph = v_cruise_kph - (
v_cruise_kph % V_CRUISE_DELTA) - V_CRUISE_DELTA
v_cruise_kph = clip(v_cruise_kph, V_CRUISE_MIN, V_CRUISE_MAX)
if not enabled and b.type in ["accelCruise", "decelCruise"
] and not b.pressed:
enable_request = True
# do disable on button down
if b.type == "cancel" and b.pressed:
AM.add("disable", enabled)
# Hack-hack
if not enabled:
enable_request = True
prof.checkpoint("Buttons")
# *** health checking logic ***
hh = messaging.recv_sock(health)
if hh is not None:
# if the board isn't allowing controls but somehow we are enabled!
if not hh.health.controlsAllowed and enabled:
AM.add("controlsMismatch", enabled)
# *** thermal checking logic ***
# thermal data, checked every second
td = messaging.recv_sock(thermal)
if False and td is not None:
# Check temperature.
overtemp = any(t > 950 for t in (td.thermal.cpu0, td.thermal.cpu1,
td.thermal.cpu2, td.thermal.cpu3,
td.thermal.mem, td.thermal.gpu))
# under 15% of space free
free_space = td.thermal.freeSpace
prof.checkpoint("Health")
# *** getting model logic ***
PP.update(cur_time, CS.vEgo)
if rk.frame % 5 == 2:
# *** run this at 20hz again ***
angle_offset = learn_angle_offset(enabled, CS.vEgo, angle_offset,
np.asarray(PP.d_poly), LaC.y_des,
CS.steeringPressed)
# disable if the pedals are pressed while engaged, this is a user disable
if enabled:
if CS.gasPressed or CS.brakePressed:
AM.add("disable", enabled)
if enable_request:
# check for pressed pedals
if CS.gasPressed or CS.brakePressed:
AM.add("pedalPressed", enabled)
enable_request = False
else:
print "enabled pressed at", cur_time
last_enable_request = cur_time
# don't engage with less than 15% free
if free_space < 0.15:
AM.add("outOfSpace", enabled)
enable_request = False
if VP.brake_only:
enable_condition = ((cur_time - last_enable_request) <
0.2) and CS.cruiseState.enabled
else:
enable_condition = enable_request
if enable_request or enable_condition or enabled:
# add all alerts from car
for alert in CS.errors:
AM.add(alert, enabled)
if False and AC.dead:
AM.add("radarCommIssue", enabled)
if PP.dead:
AM.add("modelCommIssue", enabled)
if overtemp:
AM.add("overheat", enabled)
prof.checkpoint("Model")
if enable_condition and not enabled and not AM.alertPresent():
print "*** enabling controls"
# beep for enabling
AM.add("enable", enabled)
# enable both lateral and longitudinal controls
enabled = True
# on activation, let's always set v_cruise from where we are, even if PCM ACC is active
v_cruise_kph = int(
round(
max(CS.vEgo * CV.MS_TO_KPH * VP.ui_speed_fudge,
V_CRUISE_ENABLE_MIN)))
# 6 minutes driver you're on
awareness_status = 1.0
# reset the PID loops
LaC.reset()
# start long control at actual speed
LoC.reset(v_pid=CS.vEgo)
if VP.brake_only and CS.cruiseState.enabled:
v_cruise_kph = CS.cruiseState.speed * CV.MS_TO_KPH
# *** put the adaptive in adaptive cruise control ***
AC.update(cur_time, CS.vEgo, CS.steeringAngle, LoC.v_pid,
awareness_status, VP)
prof.checkpoint("AdaptiveCruise")
# *** gas/brake PID loop ***
final_gas, final_brake = LoC.update(enabled, CS.vEgo, v_cruise_kph,
AC.v_target_lead, AC.a_target,
AC.jerk_factor, VP)
# *** steering PID loop ***
final_steer, sat_flag = LaC.update(enabled, CS.vEgo, CS.steeringAngle,
CS.steeringPressed, PP.d_poly,
angle_offset, VP)
prof.checkpoint("PID")
# ***** handle alerts ****
# send a "steering required alert" if saturation count has reached the limit
if False and sat_flag:
AM.add("steerSaturated", enabled)
if enabled and AM.alertShouldDisable():
print "DISABLING IMMEDIATELY ON ALERT"
enabled = False
if enabled and AM.alertShouldSoftDisable():
if soft_disable_timer is None:
soft_disable_timer = 3 * rate
elif soft_disable_timer == 0:
print "SOFT DISABLING ON ALERT"
enabled = False
else:
soft_disable_timer -= 1
else:
soft_disable_timer = None
# *** push the alerts to current ***
alert_text_1, alert_text_2, visual_alert, audible_alert = AM.process_alerts(
cur_time)
# ***** control the car *****
CC = car.CarControl.new_message()
CC.enabled = enabled
CC.gas = float(final_gas)
CC.brake = float(final_brake)
CC.steeringTorque = float(final_steer)
CC.cruiseControl.override = True
CC.cruiseControl.cancel = bool(
(not VP.brake_only)
or (not enabled and CS.cruiseState.enabled
)) # always cancel if we have an interceptor
CC.cruiseControl.speedOverride = float((LoC.v_pid - .3) if (
VP.brake_only and final_brake == 0.) else 0.0)
CC.cruiseControl.accelOverride = float(AC.a_pcm)
CC.hudControl.setSpeed = float(v_cruise_kph * CV.KPH_TO_MS)
CC.hudControl.speedVisible = enabled
CC.hudControl.lanesVisible = enabled
CC.hudControl.leadVisible = bool(AC.has_lead)
CC.hudControl.visualAlert = visual_alert
CC.hudControl.audibleAlert = audible_alert
# this alert will apply next controls cycle
#if not CI.apply(CC):
# AM.add("controlsFailed", enabled)
# broadcast carControl
cc_send = messaging.new_message()
cc_send.init('carControl')
cc_send.carControl = CC # copy?
#carcontrol.send(cc_send.to_bytes())
sendcan.send(cc_send.to_bytes())
prof.checkpoint("CarControl")
# ***** publish state to logger *****
# publish controls state at 100Hz
dat = messaging.new_message()
dat.init('live100')
# show rear view camera on phone if in reverse gear or when button is pressed
dat.live100.rearViewCam = ('reverseGear'
in CS.errors) or rear_view_toggle
dat.live100.alertText1 = alert_text_1
dat.live100.alertText2 = alert_text_2
dat.live100.awarenessStatus = max(awareness_status,
0.0) if enabled else 0.0
# what packets were used to process
dat.live100.canMonoTimes = list(CS.canMonoTimes)
dat.live100.mdMonoTime = PP.logMonoTime
dat.live100.l20MonoTime = AC.logMonoTime
# if controls is enabled
dat.live100.enabled = enabled
# car state
dat.live100.vEgo = CS.vEgo
dat.live100.angleSteers = CS.steeringAngle
dat.live100.steerOverride = CS.steeringPressed
# longitudinal control state
dat.live100.vPid = float(LoC.v_pid)
dat.live100.vCruise = float(v_cruise_kph)
dat.live100.upAccelCmd = float(LoC.Up_accel_cmd)
dat.live100.uiAccelCmd = float(LoC.Ui_accel_cmd)
# lateral control state
dat.live100.yActual = float(LaC.y_actual)
dat.live100.yDes = float(LaC.y_des)
dat.live100.upSteer = float(LaC.Up_steer)
dat.live100.uiSteer = float(LaC.Ui_steer)
# processed radar state, should add a_pcm?
dat.live100.vTargetLead = float(AC.v_target_lead)
dat.live100.aTargetMin = float(AC.a_target[0])
dat.live100.aTargetMax = float(AC.a_target[1])
dat.live100.jerkFactor = float(AC.jerk_factor)
# lag
dat.live100.cumLagMs = -rk.remaining * 1000.
live100.send(dat.to_bytes())
prof.checkpoint("Live100")
# *** run loop at fixed rate ***
if rk.keep_time():
prof.display()
def controlsd_thread(gctx, rate=100): #rate in Hz
# *** log ***
context = zmq.Context()
live100 = messaging.pub_sock(context, service_list['live100'].port)
carstate = messaging.pub_sock(context, service_list['carState'].port)
carcontrol = messaging.pub_sock(context, service_list['carControl'].port)
thermal = messaging.sub_sock(context, service_list['thermal'].port)
health = messaging.sub_sock(context, service_list['health'].port)
plan_sock = messaging.sub_sock(context, service_list['plan'].port)
logcan = messaging.sub_sock(context, service_list['can'].port)
# connects to can
CP = fingerprint(logcan)
# import the car from the fingerprint
cloudlog.info("controlsd is importing %s", CP.carName)
exec('from selfdrive.car.'+CP.carName+'.interface import CarInterface')
sendcan = messaging.pub_sock(context, service_list['sendcan'].port)
CI = CarInterface(CP, logcan, sendcan)
# write CarParams
Params().put("CarParams", CP.to_bytes())
AM = AlertManager()
LoC = LongControl()
LaC = LatControl()
# fake plan
plan = log.Plan.new_message()
plan.lateralValid = False
plan.longitudinalValid = False
last_plan_time = 0
# controls enabled state
enabled = False
last_enable_request = 0
# learned angle offset
angle_offset = 0
# rear view camera state
rear_view_toggle = False
v_cruise_kph = 255
# 0.0 - 1.0
awareness_status = 0.0
soft_disable_timer = None
# Is cpu temp too high to enable?
overtemp = False
free_space = 1.0
# start the loop
set_realtime_priority(2)
rk = Ratekeeper(rate, print_delay_threshold=2./1000)
while 1:
prof = Profiler()
cur_time = sec_since_boot()
# read CAN
CS = CI.update()
# broadcast carState
cs_send = messaging.new_message()
cs_send.init('carState')
cs_send.carState = CS # copy?
carstate.send(cs_send.to_bytes())
prof.checkpoint("CarInterface")
# did it request to enable?
enable_request, enable_condition = False, False
if enabled:
# gives the user 6 minutes
awareness_status -= 1.0/(100*60*6)
if awareness_status <= 0.:
AM.add("driverDistracted", enabled)
# reset awareness status on steering
if CS.steeringPressed:
awareness_status = 1.0
# handle button presses
for b in CS.buttonEvents:
print b
# reset awareness on any user action
awareness_status = 1.0
# button presses for rear view
if b.type == "leftBlinker" or b.type == "rightBlinker":
if b.pressed:
rear_view_toggle = True
else:
rear_view_toggle = False
if b.type == "altButton1" and b.pressed:
rear_view_toggle = not rear_view_toggle
if not CP.enableCruise and enabled and not b.pressed:
if b.type == "accelCruise":
v_cruise_kph = v_cruise_kph - (v_cruise_kph % V_CRUISE_DELTA) + V_CRUISE_DELTA
elif b.type == "decelCruise":
v_cruise_kph = v_cruise_kph - (v_cruise_kph % V_CRUISE_DELTA) - V_CRUISE_DELTA
v_cruise_kph = clip(v_cruise_kph, V_CRUISE_MIN, V_CRUISE_MAX)
if not enabled and b.type in ["accelCruise", "decelCruise"] and not b.pressed:
enable_request = True
# do disable on button down
if b.type == "cancel" and b.pressed:
AM.add("disable", enabled)
prof.checkpoint("Buttons")
# *** health checking logic ***
hh = messaging.recv_sock(health)
if hh is not None:
# if the board isn't allowing controls but somehow we are enabled!
if not hh.health.controlsAllowed and enabled:
AM.add("controlsMismatch", enabled)
# *** thermal checking logic ***
# thermal data, checked every second
td = messaging.recv_sock(thermal)
if td is not None:
# Check temperature.
overtemp = any(
t > 950
for t in (td.thermal.cpu0, td.thermal.cpu1, td.thermal.cpu2,
td.thermal.cpu3, td.thermal.mem, td.thermal.gpu))
# under 15% of space free
free_space = td.thermal.freeSpace
prof.checkpoint("Health")
# disable if the pedals are pressed while engaged, this is a user disable
if enabled:
if CS.gasPressed or CS.brakePressed:
AM.add("disable", enabled)
if enable_request:
# check for pressed pedals
if CS.gasPressed or CS.brakePressed:
AM.add("pedalPressed", enabled)
enable_request = False
else:
print "enabled pressed at", cur_time
last_enable_request = cur_time
# don't engage with less than 15% free
if free_space < 0.15:
AM.add("outOfSpace", enabled)
enable_request = False
if CP.enableCruise:
enable_condition = ((cur_time - last_enable_request) < 0.2) and CS.cruiseState.enabled
else:
enable_condition = enable_request
if CP.enableCruise and CS.cruiseState.enabled:
v_cruise_kph = CS.cruiseState.speed * CV.MS_TO_KPH
prof.checkpoint("AdaptiveCruise")
# *** what's the plan ***
new_plan = messaging.recv_sock(plan_sock)
if new_plan is not None:
plan = new_plan.plan
plan = plan.as_builder() # plan can change in controls
last_plan_time = cur_time
# check plan for timeout
if cur_time - last_plan_time > 0.5:
plan.lateralValid = False
plan.longitudinalValid = False
# gives 18 seconds before decel begins (w 6 minute timeout)
if awareness_status < -0.05:
plan.aTargetMax = min(plan.aTargetMax, -0.2)
plan.aTargetMin = min(plan.aTargetMin, plan.aTargetMax)
if enable_request or enable_condition or enabled:
# add all alerts from car
for alert in CS.errors:
AM.add(alert, enabled)
if not plan.longitudinalValid:
AM.add("radarCommIssue", enabled)
if not plan.lateralValid:
# If the model is not broadcasting, assume that it is because
# the user has uploaded insufficient data for calibration.
# Other cases that would trigger this are rare and unactionable by the user.
AM.add("dataNeeded", enabled)
if overtemp:
AM.add("overheat", enabled)
# *** angle offset learning ***
if rk.frame % 5 == 2 and plan.lateralValid:
# *** run this at 20hz again ***
angle_offset = learn_angle_offset(enabled, CS.vEgo, angle_offset, np.asarray(plan.dPoly), LaC.y_des, CS.steeringPressed)
# *** gas/brake PID loop ***
final_gas, final_brake = LoC.update(enabled, CS.vEgo, v_cruise_kph,
plan.vTarget,
[plan.aTargetMin, plan.aTargetMax],
plan.jerkFactor, CP)
# *** steering PID loop ***
final_steer, sat_flag = LaC.update(enabled, CS.vEgo, CS.steeringAngle, CS.steeringPressed, plan.dPoly, angle_offset, CP)
prof.checkpoint("PID")
# ***** handle alerts ****
# send a "steering required alert" if saturation count has reached the limit
if sat_flag:
AM.add("steerSaturated", enabled)
if enabled and AM.alertShouldDisable():
print "DISABLING IMMEDIATELY ON ALERT"
enabled = False
if enabled and AM.alertShouldSoftDisable():
if soft_disable_timer is None:
soft_disable_timer = 3 * rate
elif soft_disable_timer == 0:
print "SOFT DISABLING ON ALERT"
enabled = False
else:
soft_disable_timer -= 1
else:
soft_disable_timer = None
if enable_condition and not enabled and not AM.alertPresent():
print "*** enabling controls"
# beep for enabling
AM.add("enable", enabled)
# enable both lateral and longitudinal controls
enabled = True
# on activation, let's always set v_cruise from where we are, even if PCM ACC is active
v_cruise_kph = int(round(max(CS.vEgo * CV.MS_TO_KPH, V_CRUISE_ENABLE_MIN)))
# 6 minutes driver you're on
awareness_status = 1.0
# reset the PID loops
LaC.reset()
# start long control at actual speed
LoC.reset(v_pid = CS.vEgo)
# *** push the alerts to current ***
alert_text_1, alert_text_2, visual_alert, audible_alert = AM.process_alerts(cur_time)
# ***** control the car *****
CC = car.CarControl.new_message()
CC.enabled = enabled
CC.gas = float(final_gas)
CC.brake = float(final_brake)
CC.steeringTorque = float(final_steer)
CC.cruiseControl.override = True
CC.cruiseControl.cancel = bool((not CP.enableCruise) or (not enabled and CS.cruiseState.enabled)) # always cancel if we have an interceptor
# brake discount removes a sharp nonlinearity
brake_discount = (1.0 - clip(final_brake*3., 0.0, 1.0))
CC.cruiseControl.speedOverride = float(max(0.0, ((LoC.v_pid - .5) * brake_discount)) if CP.enableCruise else 0.0)
#CC.cruiseControl.accelOverride = float(AC.a_pcm)
# TODO: fix this
CC.cruiseControl.accelOverride = float(1.0)
CC.hudControl.setSpeed = float(v_cruise_kph * CV.KPH_TO_MS)
CC.hudControl.speedVisible = enabled
CC.hudControl.lanesVisible = enabled
#CC.hudControl.leadVisible = bool(AC.has_lead)
# TODO: fix this
CC.hudControl.leadVisible = False
CC.hudControl.visualAlert = visual_alert
CC.hudControl.audibleAlert = audible_alert
# this alert will apply next controls cycle
if not CI.apply(CC):
AM.add("controlsFailed", enabled)
# broadcast carControl
cc_send = messaging.new_message()
cc_send.init('carControl')
cc_send.carControl = CC # copy?
carcontrol.send(cc_send.to_bytes())
prof.checkpoint("CarControl")
# ***** publish state to logger *****
# publish controls state at 100Hz
dat = messaging.new_message()
dat.init('live100')
# show rear view camera on phone if in reverse gear or when button is pressed
dat.live100.rearViewCam = ('reverseGear' in CS.errors) or rear_view_toggle
dat.live100.alertText1 = alert_text_1
dat.live100.alertText2 = alert_text_2
dat.live100.awarenessStatus = max(awareness_status, 0.0) if enabled else 0.0
# what packets were used to process
dat.live100.canMonoTimes = list(CS.canMonoTimes)
#dat.live100.mdMonoTime = PP.logMonoTime
#dat.live100.l20MonoTime = AC.logMonoTime
# if controls is enabled
dat.live100.enabled = enabled
# car state
dat.live100.vEgo = CS.vEgo
dat.live100.angleSteers = CS.steeringAngle
dat.live100.steerOverride = CS.steeringPressed
# longitudinal control state
dat.live100.vPid = float(LoC.v_pid)
dat.live100.vCruise = float(v_cruise_kph)
dat.live100.upAccelCmd = float(LoC.Up_accel_cmd)
dat.live100.uiAccelCmd = float(LoC.Ui_accel_cmd)
# lateral control state
dat.live100.yActual = float(LaC.y_actual)
dat.live100.yDes = float(LaC.y_des)
dat.live100.upSteer = float(LaC.Up_steer)
dat.live100.uiSteer = float(LaC.Ui_steer)
# processed radar state, should add a_pcm?
dat.live100.vTargetLead = float(plan.vTarget)
dat.live100.aTargetMin = float(plan.aTargetMin)
dat.live100.aTargetMax = float(plan.aTargetMax)
dat.live100.jerkFactor = float(plan.jerkFactor)
# lag
dat.live100.cumLagMs = -rk.remaining*1000.
live100.send(dat.to_bytes())
prof.checkpoint("Live100")
# *** run loop at fixed rate ***
if rk.keep_time():
prof.display()
