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353 lines
10 KiB
353 lines
10 KiB
#!/usr/bin/env python
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import os
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import zmq
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import numpy as np
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import selfdrive.messaging as messaging
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from cereal import car
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from common.numpy_fast import clip
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from selfdrive.config import Conversions as CV
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from common.services import service_list
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from common.realtime import sec_since_boot, set_realtime_priority, Ratekeeper
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from common.profiler import Profiler
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from selfdrive.controls.lib.drive_helpers import learn_angle_offset
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from selfdrive.controls.lib.longcontrol import LongControl
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from selfdrive.controls.lib.latcontrol import LatControl
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from selfdrive.controls.lib.pathplanner import PathPlanner
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from selfdrive.controls.lib.adaptivecruise import AdaptiveCruise
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from selfdrive.controls.lib.alertmanager import AlertManager
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car_type = os.getenv("CAR")
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if car_type is not None:
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exec('from selfdrive.car.'+car_type+'.interface import CarInterface')
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else:
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from selfdrive.car.honda.interface import CarInterface
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V_CRUISE_MAX = 144
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V_CRUISE_MIN = 8
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V_CRUISE_DELTA = 8
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V_CRUISE_ENABLE_MIN = 40
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def controlsd_thread(gctx, rate=100): #rate in Hz
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# *** log ***
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context = zmq.Context()
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live100 = messaging.pub_sock(context, service_list['live100'].port)
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thermal = messaging.sub_sock(context, service_list['thermal'].port)
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live20 = messaging.sub_sock(context, service_list['live20'].port)
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model = messaging.sub_sock(context, service_list['model'].port)
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health = messaging.sub_sock(context, service_list['health'].port)
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# connects to can and sendcan
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CI = CarInterface()
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VP = CI.getVehicleParams()
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PP = PathPlanner(model)
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AC = AdaptiveCruise(live20)
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AM = AlertManager()
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LoC = LongControl()
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LaC = LatControl()
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# controls enabled state
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enabled = False
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last_enable_request = 0
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# learned angle offset
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angle_offset = 0
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# rear view camera state
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rear_view_toggle = False
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v_cruise_kph = 255
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# 0.0 - 1.0
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awareness_status = 0.0
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soft_disable_timer = None
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# Is cpu temp too high to enable?
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overtemp = False
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free_space = 1.0
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# start the loop
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set_realtime_priority(2)
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rk = Ratekeeper(rate, print_delay_threshold=2./1000)
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while 1:
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prof = Profiler()
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cur_time = sec_since_boot()
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# read CAN
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CS = CI.update()
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prof.checkpoint("CarInterface")
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# did it request to enable?
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enable_request, enable_condition = False, False
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if enabled:
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# gives the user 6 minutes
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awareness_status -= 1.0/(100*60*6)
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if awareness_status <= 0.:
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AM.add("driverDistracted", enabled)
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# reset awareness status on steering
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if CS.steeringPressed:
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awareness_status = 1.0
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# handle button presses
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for b in CS.buttonEvents:
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print b
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# reset awareness on any user action
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awareness_status = 1.0
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# button presses for rear view
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if b.type == "leftBlinker" or b.type == "rightBlinker":
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if b.pressed:
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rear_view_toggle = True
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else:
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rear_view_toggle = False
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if b.type == "altButton1" and b.pressed:
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rear_view_toggle = not rear_view_toggle
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if not VP.brake_only and enabled and not b.pressed:
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if b.type == "accelCruise":
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v_cruise_kph = v_cruise_kph - (v_cruise_kph % V_CRUISE_DELTA) + V_CRUISE_DELTA
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elif b.type == "decelCruise":
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v_cruise_kph = v_cruise_kph - (v_cruise_kph % V_CRUISE_DELTA) - V_CRUISE_DELTA
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v_cruise_kph = clip(v_cruise_kph, V_CRUISE_MIN, V_CRUISE_MAX)
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if not enabled and b.type in ["accelCruise", "decelCruise"] and not b.pressed:
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enable_request = True
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# do disable on button down
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if b.type == "cancel" and b.pressed:
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AM.add("disable", enabled)
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prof.checkpoint("Buttons")
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# *** health checking logic ***
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hh = messaging.recv_sock(health)
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if hh is not None:
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# if the board isn't allowing controls but somehow we are enabled!
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if not hh.health.controlsAllowed and enabled:
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AM.add("controlsMismatch", enabled)
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# *** thermal checking logic ***
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# thermal data, checked every second
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td = messaging.recv_sock(thermal)
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if td is not None:
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# Check temperature.
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overtemp = any(
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t > 950
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for t in (td.thermal.cpu0, td.thermal.cpu1, td.thermal.cpu2,
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td.thermal.cpu3, td.thermal.mem, td.thermal.gpu))
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# under 15% of space free
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free_space = td.thermal.freeSpace
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prof.checkpoint("Health")
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# *** getting model logic ***
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PP.update(cur_time, CS.vEgo)
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if rk.frame % 5 == 2:
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# *** run this at 20hz again ***
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angle_offset = learn_angle_offset(enabled, CS.vEgo, angle_offset, np.asarray(PP.d_poly), LaC.y_des, CS.steeringPressed)
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# disable if the pedals are pressed while engaged, this is a user disable
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if enabled:
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if CS.gasPressed or CS.brakePressed:
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AM.add("disable", enabled)
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if enable_request:
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# check for pressed pedals
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if CS.gasPressed or CS.brakePressed:
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AM.add("pedalPressed", enabled)
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enable_request = False
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else:
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print "enabled pressed at", cur_time
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last_enable_request = cur_time
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# don't engage with less than 15% free
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if free_space < 0.15:
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AM.add("outOfSpace", enabled)
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enable_request = False
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if VP.brake_only:
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enable_condition = ((cur_time - last_enable_request) < 0.2) and CS.cruiseState.enabled
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else:
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enable_condition = enable_request
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if enable_request or enable_condition or enabled:
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# add all alerts from car
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for alert in CS.errors:
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AM.add(alert, enabled)
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if AC.dead:
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AM.add("radarCommIssue", enabled)
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if PP.dead:
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AM.add("modelCommIssue", enabled)
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if overtemp:
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AM.add("overheat", enabled)
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prof.checkpoint("Model")
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if enable_condition and not enabled and not AM.alertPresent():
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print "*** enabling controls"
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# beep for enabling
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AM.add("enable", enabled)
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# enable both lateral and longitudinal controls
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enabled = True
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# on activation, let's always set v_cruise from where we are, even if PCM ACC is active
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v_cruise_kph = int(round(max(CS.vEgo * CV.MS_TO_KPH * VP.ui_speed_fudge, V_CRUISE_ENABLE_MIN)))
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# 6 minutes driver you're on
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awareness_status = 1.0
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# reset the PID loops
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LaC.reset()
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# start long control at actual speed
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LoC.reset(v_pid = CS.vEgo)
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if VP.brake_only and CS.cruiseState.enabled:
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v_cruise_kph = CS.cruiseState.speed * CV.MS_TO_KPH
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# *** put the adaptive in adaptive cruise control ***
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AC.update(cur_time, CS.vEgo, CS.steeringAngle, LoC.v_pid, awareness_status, VP)
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prof.checkpoint("AdaptiveCruise")
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# *** gas/brake PID loop ***
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final_gas, final_brake = LoC.update(enabled, CS.vEgo, v_cruise_kph, AC.v_target_lead, AC.a_target, AC.jerk_factor, VP)
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# *** steering PID loop ***
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final_steer, sat_flag = LaC.update(enabled, CS.vEgo, CS.steeringAngle, CS.steeringPressed, PP.d_poly, angle_offset, VP)
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prof.checkpoint("PID")
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# ***** handle alerts ****
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# send a "steering required alert" if saturation count has reached the limit
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if sat_flag:
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AM.add("steerSaturated", enabled)
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if enabled and AM.alertShouldDisable():
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print "DISABLING IMMEDIATELY ON ALERT"
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enabled = False
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if enabled and AM.alertShouldSoftDisable():
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if soft_disable_timer is None:
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soft_disable_timer = 3 * rate
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elif soft_disable_timer == 0:
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print "SOFT DISABLING ON ALERT"
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enabled = False
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else:
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soft_disable_timer -= 1
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else:
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soft_disable_timer = None
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# *** push the alerts to current ***
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alert_text_1, alert_text_2, visual_alert, audible_alert = AM.process_alerts(cur_time)
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# ***** control the car *****
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CC = car.CarControl.new_message()
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CC.enabled = enabled
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CC.gas = float(final_gas)
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CC.brake = float(final_brake)
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CC.steeringTorque = float(final_steer)
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CC.cruiseControl.override = True
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CC.cruiseControl.cancel = bool((not VP.brake_only) or (not enabled and CS.cruiseState.enabled)) # always cancel if we have an interceptor
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CC.cruiseControl.speedOverride = float((LoC.v_pid - .3) if (VP.brake_only and final_brake == 0.) else 0.0)
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CC.cruiseControl.accelOverride = float(AC.a_pcm)
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CC.hudControl.setSpeed = float(v_cruise_kph * CV.KPH_TO_MS)
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CC.hudControl.speedVisible = enabled
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CC.hudControl.lanesVisible = enabled
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CC.hudControl.leadVisible = bool(AC.has_lead)
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CC.hudControl.visualAlert = visual_alert
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CC.hudControl.audibleAlert = audible_alert
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# this alert will apply next controls cycle
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if not CI.apply(CC):
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AM.add("controlsFailed", enabled)
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prof.checkpoint("CarControl")
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# ***** publish state to logger *****
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# publish controls state at 100Hz
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dat = messaging.new_message()
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dat.init('live100')
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# show rear view camera on phone if in reverse gear or when button is pressed
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dat.live100.rearViewCam = ('reverseGear' in CS.errors) or rear_view_toggle
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dat.live100.alertText1 = alert_text_1
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dat.live100.alertText2 = alert_text_2
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dat.live100.awarenessStatus = max(awareness_status, 0.0) if enabled else 0.0
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# what packets were used to process
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dat.live100.canMonoTimes = list(CS.canMonoTimes)
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dat.live100.mdMonoTime = PP.logMonoTime
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dat.live100.l20MonoTime = AC.logMonoTime
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# if controls is enabled
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dat.live100.enabled = enabled
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# car state
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dat.live100.vEgo = CS.vEgo
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dat.live100.angleSteers = CS.steeringAngle
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dat.live100.steerOverride = CS.steeringPressed
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# longitudinal control state
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dat.live100.vPid = float(LoC.v_pid)
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dat.live100.vCruise = float(v_cruise_kph)
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dat.live100.upAccelCmd = float(LoC.Up_accel_cmd)
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dat.live100.uiAccelCmd = float(LoC.Ui_accel_cmd)
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# lateral control state
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dat.live100.yActual = float(LaC.y_actual)
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dat.live100.yDes = float(LaC.y_des)
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dat.live100.upSteer = float(LaC.Up_steer)
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dat.live100.uiSteer = float(LaC.Ui_steer)
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# processed radar state, should add a_pcm?
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dat.live100.vTargetLead = float(AC.v_target_lead)
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dat.live100.aTargetMin = float(AC.a_target[0])
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dat.live100.aTargetMax = float(AC.a_target[1])
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dat.live100.jerkFactor = float(AC.jerk_factor)
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# lag
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dat.live100.cumLagMs = -rk.remaining*1000.
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live100.send(dat.to_bytes())
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prof.checkpoint("Live100")
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# *** run loop at fixed rate ***
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if rk.keep_time():
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prof.display()
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def main(gctx=None):
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controlsd_thread(gctx, 100)
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if __name__ == "__main__":
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main()
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