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142 lines
4.6 KiB
142 lines
4.6 KiB
#!/usr/bin/env python3
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import os
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import time
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import cereal.messaging as messaging
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from cereal import car
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from panda import ALTERNATIVE_EXPERIENCE
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from openpilot.common.params import Params
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from openpilot.common.realtime import DT_CTRL
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from openpilot.selfdrive.boardd.boardd import can_list_to_can_capnp
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from openpilot.selfdrive.car.car_helpers import get_car, get_one_can
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from openpilot.selfdrive.car.interfaces import CarInterfaceBase
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REPLAY = "REPLAY" in os.environ
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class CarD:
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CI: CarInterfaceBase
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CS: car.CarState
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def __init__(self, CI=None):
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self.can_sock = messaging.sub_sock('can', timeout=20)
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self.sm = messaging.SubMaster(['pandaStates'])
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self.pm = messaging.PubMaster(['sendcan', 'carState', 'carParams', 'carOutput'])
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self.can_rcv_timeout_counter = 0 # conseuctive timeout count
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self.can_rcv_cum_timeout_counter = 0 # cumulative timeout count
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self.CC_prev = car.CarControl.new_message()
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self.last_actuators = None
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self.params = Params()
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if CI is None:
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# wait for one pandaState and one CAN packet
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print("Waiting for CAN messages...")
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get_one_can(self.can_sock)
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num_pandas = len(messaging.recv_one_retry(self.sm.sock['pandaStates']).pandaStates)
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experimental_long_allowed = self.params.get_bool("ExperimentalLongitudinalEnabled")
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self.CI, self.CP = get_car(self.can_sock, self.pm.sock['sendcan'], experimental_long_allowed, num_pandas)
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else:
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self.CI, self.CP = CI, CI.CP
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# set alternative experiences from parameters
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disengage_on_accelerator = self.params.get_bool("DisengageOnAccelerator")
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self.CP.alternativeExperience = 0
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if not disengage_on_accelerator:
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self.CP.alternativeExperience |= ALTERNATIVE_EXPERIENCE.DISABLE_DISENGAGE_ON_GAS
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car_recognized = self.CP.carName != 'mock'
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openpilot_enabled_toggle = self.params.get_bool("OpenpilotEnabledToggle")
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controller_available = self.CI.CC is not None and openpilot_enabled_toggle and not self.CP.dashcamOnly
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self.CP.passive = not car_recognized or not controller_available or self.CP.dashcamOnly
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if self.CP.passive:
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safety_config = car.CarParams.SafetyConfig.new_message()
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safety_config.safetyModel = car.CarParams.SafetyModel.noOutput
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self.CP.safetyConfigs = [safety_config]
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# Write previous route's CarParams
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prev_cp = self.params.get("CarParamsPersistent")
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if prev_cp is not None:
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self.params.put("CarParamsPrevRoute", prev_cp)
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# Write CarParams for controls and radard
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cp_bytes = self.CP.to_bytes()
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self.params.put("CarParams", cp_bytes)
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self.params.put_nonblocking("CarParamsCache", cp_bytes)
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self.params.put_nonblocking("CarParamsPersistent", cp_bytes)
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def initialize(self):
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"""Initialize CarInterface, once controls are ready"""
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self.CI.init(self.CP, self.can_sock, self.pm.sock['sendcan'])
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def state_update(self):
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"""carState update loop, driven by can"""
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# Update carState from CAN
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can_strs = messaging.drain_sock_raw(self.can_sock, wait_for_one=True)
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self.CS = self.CI.update(self.CC_prev, can_strs)
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self.sm.update(0)
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can_rcv_valid = len(can_strs) > 0
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# Check for CAN timeout
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if not can_rcv_valid:
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self.can_rcv_timeout_counter += 1
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self.can_rcv_cum_timeout_counter += 1
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else:
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self.can_rcv_timeout_counter = 0
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self.can_rcv_timeout = self.can_rcv_timeout_counter >= 5
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if can_rcv_valid and REPLAY:
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self.can_log_mono_time = messaging.log_from_bytes(can_strs[0]).logMonoTime
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self.state_publish()
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return self.CS
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def state_publish(self):
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"""carState and carParams publish loop"""
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# carState
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cs_send = messaging.new_message('carState')
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cs_send.valid = self.CS.canValid
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cs_send.carState = self.CS
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self.pm.send('carState', cs_send)
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# carParams - logged every 50 seconds (> 1 per segment)
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if (self.sm.frame % int(50. / DT_CTRL) == 0):
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cp_send = messaging.new_message('carParams')
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cp_send.valid = True
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cp_send.carParams = self.CP
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self.pm.send('carParams', cp_send)
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# publish new carOutput
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co_send = messaging.new_message('carOutput')
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co_send.valid = True
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if self.last_actuators is not None:
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co_send.carOutput.actuatorsOutput = self.last_actuators
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self.pm.send('carOutput', co_send)
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def controls_update(self, CC: car.CarControl):
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"""control update loop, driven by carControl"""
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# send car controls over can
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now_nanos = self.can_log_mono_time if REPLAY else int(time.monotonic() * 1e9)
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self.last_actuators, can_sends = self.CI.apply(CC, now_nanos)
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self.pm.send('sendcan', can_list_to_can_capnp(can_sends, msgtype='sendcan', valid=self.CS.canValid))
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self.CC_prev = CC
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