openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#!/usr/bin/env python3
import cereal.messaging as messaging
from openpilot.common.params import Params
from openpilot.common.realtime import config_realtime_process
from openpilot.selfdrive.monitoring.helpers import DriverMonitoring
def dmonitoringd_thread():
config_realtime_process([0, 1, 2, 3], 5)
params = Params()
pm = messaging.PubMaster(['driverMonitoringState'])
sm = messaging.SubMaster(['driverStateV2', 'liveCalibration', 'carState', 'selfdriveState', 'modelV2'], poll='driverStateV2')
DM = DriverMonitoring(rhd_saved=params.get_bool("IsRhdDetected"), always_on=params.get_bool("AlwaysOnDM"))
# 20Hz <- dmonitoringmodeld
while True:
sm.update()
if not sm.updated['driverStateV2']:
# iterate when model has new output
continue
valid = sm.all_checks()
if valid:
DM.run_step(sm)
# publish
dat = DM.get_state_packet(valid=valid)
pm.send('driverMonitoringState', dat)
# load live always-on toggle
if sm['driverStateV2'].frameId % 40 == 1:
DM.always_on = params.get_bool("AlwaysOnDM")
# save rhd virtual toggle every 5 mins
if (sm['driverStateV2'].frameId % 6000 == 0 and
DM.wheelpos_learner.filtered_stat.n > DM.settings._WHEELPOS_FILTER_MIN_COUNT and
DM.wheel_on_right == (DM.wheelpos_learner.filtered_stat.M > DM.settings._WHEELPOS_THRESHOLD)):
params.put_bool_nonblocking("IsRhdDetected", DM.wheel_on_right)
def main():
dmonitoringd_thread()
if __name__ == '__main__':
main()