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.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

122 lines
4.3 KiB

import time
from cereal import log
import cereal.messaging as messaging
from openpilot.common.realtime import DT_DMON
from openpilot.tools.sim.lib.camerad import Camerad
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from openpilot.tools.sim.lib.common import World, SimulatorState
class SimulatedSensors:
"""Simulates the C3 sensors (acc, gyro, gps, peripherals, dm state, cameras) to OpenPilot"""
def __init__(self, dual_camera=False):
self.pm = messaging.PubMaster(['accelerometer', 'gyroscope', 'gpsLocationExternal', 'driverStateV2', 'driverMonitoringState', 'peripheralState'])
self.camerad = Camerad(dual_camera=dual_camera)
self.last_perp_update = 0
self.last_dmon_update = 0
def send_imu_message(self, simulator_state: 'SimulatorState'):
for _ in range(5):
dat = messaging.new_message('accelerometer', valid=True)
dat.accelerometer.sensor = 4
dat.accelerometer.type = 0x10
dat.accelerometer.timestamp = dat.logMonoTime # TODO: use the IMU timestamp
dat.accelerometer.init('acceleration')
dat.accelerometer.acceleration.v = [simulator_state.imu.accelerometer.x, simulator_state.imu.accelerometer.y, simulator_state.imu.accelerometer.z]
self.pm.send('accelerometer', dat)
# copied these numbers from locationd
dat = messaging.new_message('gyroscope', valid=True)
dat.gyroscope.sensor = 5
dat.gyroscope.type = 0x10
dat.gyroscope.timestamp = dat.logMonoTime # TODO: use the IMU timestamp
dat.gyroscope.init('gyroUncalibrated')
dat.gyroscope.gyroUncalibrated.v = [simulator_state.imu.gyroscope.x, simulator_state.imu.gyroscope.y, simulator_state.imu.gyroscope.z]
self.pm.send('gyroscope', dat)
def send_gps_message(self, simulator_state: 'SimulatorState'):
if not simulator_state.valid:
return
# transform from vel to NED
velNED = [
-simulator_state.velocity.y,
simulator_state.velocity.x,
simulator_state.velocity.z,
]
for _ in range(10):
dat = messaging.new_message('gpsLocationExternal', valid=True)
dat.gpsLocationExternal = {
"unixTimestampMillis": int(time.time() * 1000),
"flags": 1, # valid fix
"accuracy": 1.0,
"verticalAccuracy": 1.0,
"speedAccuracy": 0.1,
"bearingAccuracyDeg": 0.1,
"vNED": velNED,
"bearingDeg": simulator_state.imu.bearing,
"latitude": simulator_state.gps.latitude,
"longitude": simulator_state.gps.longitude,
"altitude": simulator_state.gps.altitude,
"speed": simulator_state.speed,
"source": log.GpsLocationData.SensorSource.ublox,
}
self.pm.send('gpsLocationExternal', dat)
def send_peripheral_state(self):
dat = messaging.new_message('peripheralState')
dat.valid = True
dat.peripheralState = {
'pandaType': log.PandaState.PandaType.blackPanda,
'voltage': 12000,
'current': 5678,
'fanSpeedRpm': 1000
}
self.pm.send('peripheralState', dat)
def send_fake_driver_monitoring(self):
# dmonitoringmodeld output
dat = messaging.new_message('driverStateV2')
dat.driverStateV2.leftDriverData.faceOrientation = [0., 0., 0.]
dat.driverStateV2.leftDriverData.faceProb = 1.0
dat.driverStateV2.rightDriverData.faceOrientation = [0., 0., 0.]
dat.driverStateV2.rightDriverData.faceProb = 1.0
self.pm.send('driverStateV2', dat)
# dmonitoringd output
dat = messaging.new_message('driverMonitoringState', valid=True)
dat.driverMonitoringState = {
"faceDetected": True,
"isDistracted": False,
"awarenessStatus": 1.,
}
self.pm.send('driverMonitoringState', dat)
def send_camera_images(self, world: 'World'):
world.image_lock.acquire()
yuv = self.camerad.rgb_to_yuv(world.road_image)
self.camerad.cam_send_yuv_road(yuv)
if world.dual_camera:
yuv = self.camerad.rgb_to_yuv(world.wide_road_image)
self.camerad.cam_send_yuv_wide_road(yuv)
def update(self, simulator_state: 'SimulatorState', world: 'World'):
now = time.time()
self.send_imu_message(simulator_state)
self.send_gps_message(simulator_state)
if (now - self.last_dmon_update) > DT_DMON/2:
self.send_fake_driver_monitoring()
self.last_dmon_update = now
if (now - self.last_perp_update) > 0.25:
self.send_peripheral_state()
self.last_perp_update = now