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							472 lines
						
					
					
						
							16 KiB
						
					
					
				
			
		
		
	
	
							472 lines
						
					
					
						
							16 KiB
						
					
					
				| #!/usr/bin/env python3
 | |
| import argparse
 | |
| import math
 | |
| import threading
 | |
| import time
 | |
| import os
 | |
| from multiprocessing import Process, Queue
 | |
| from typing import Any
 | |
| 
 | |
| import carla  # pylint: disable=import-error
 | |
| import numpy as np
 | |
| import pyopencl as cl
 | |
| import pyopencl.array as cl_array
 | |
| from lib.can import can_function
 | |
| 
 | |
| import cereal.messaging as messaging
 | |
| from cereal import log
 | |
| from cereal.visionipc.visionipc_pyx import VisionIpcServer, VisionStreamType  # pylint: disable=no-name-in-module, import-error
 | |
| from common.basedir import BASEDIR
 | |
| from common.numpy_fast import clip
 | |
| from common.params import Params
 | |
| from common.realtime import DT_DMON, Ratekeeper
 | |
| from selfdrive.car.honda.values import CruiseButtons
 | |
| from selfdrive.test.helpers import set_params_enabled
 | |
| 
 | |
| parser = argparse.ArgumentParser(description='Bridge between CARLA and openpilot.')
 | |
| parser.add_argument('--joystick', action='store_true')
 | |
| parser.add_argument('--low_quality', action='store_true')
 | |
| parser.add_argument('--town', type=str, default='Town04_Opt')
 | |
| parser.add_argument('--spawn_point', dest='num_selected_spawn_point', type=int, default=16)
 | |
| 
 | |
| args = parser.parse_args()
 | |
| 
 | |
| W, H = 1928, 1208
 | |
| REPEAT_COUNTER = 5
 | |
| PRINT_DECIMATION = 100
 | |
| STEER_RATIO = 15.
 | |
| 
 | |
| pm = messaging.PubMaster(['roadCameraState', 'sensorEvents', 'can', "gpsLocationExternal"])
 | |
| sm = messaging.SubMaster(['carControl', 'controlsState'])
 | |
| 
 | |
| 
 | |
| class VehicleState:
 | |
|   def __init__(self):
 | |
|     self.speed = 0
 | |
|     self.angle = 0
 | |
|     self.bearing_deg = 0.0
 | |
|     self.vel = carla.Vector3D()
 | |
|     self.cruise_button = 0
 | |
|     self.is_engaged = False
 | |
|     self.ignition = True
 | |
| 
 | |
| 
 | |
| def steer_rate_limit(old, new):
 | |
|   # Rate limiting to 0.5 degrees per step
 | |
|   limit = 0.5
 | |
|   if new > old + limit:
 | |
|     return old + limit
 | |
|   elif new < old - limit:
 | |
|     return old - limit
 | |
|   else:
 | |
|     return new
 | |
| 
 | |
| 
 | |
| class Camerad:
 | |
|   def __init__(self):
 | |
|     self.frame_id = 0
 | |
|     self.vipc_server = VisionIpcServer("camerad")
 | |
| 
 | |
|     # TODO: remove RGB buffers once the last RGB vipc subscriber is removed
 | |
|     self.vipc_server.create_buffers(VisionStreamType.VISION_STREAM_RGB_ROAD, 4, True, W, H)
 | |
|     self.vipc_server.create_buffers(VisionStreamType.VISION_STREAM_ROAD, 40, False, W, H)
 | |
|     self.vipc_server.start_listener()
 | |
| 
 | |
|     # set up for pyopencl rgb to yuv conversion
 | |
|     self.ctx = cl.create_some_context()
 | |
|     self.queue = cl.CommandQueue(self.ctx)
 | |
|     cl_arg = f" -DHEIGHT={H} -DWIDTH={W} -DRGB_STRIDE={W*3} -DUV_WIDTH={W // 2} -DUV_HEIGHT={H // 2} -DRGB_SIZE={W * H} -DCL_DEBUG "
 | |
| 
 | |
|     # TODO: move rgb_to_yuv.cl to local dir once the frame stream camera is removed
 | |
|     kernel_fn = os.path.join(BASEDIR, "selfdrive", "camerad", "transforms", "rgb_to_yuv.cl")
 | |
|     prg = cl.Program(self.ctx, open(kernel_fn).read()).build(cl_arg)
 | |
|     self.krnl = prg.rgb_to_yuv
 | |
|     self.Wdiv4 = W // 4 if (W % 4 == 0) else (W + (4 - W % 4)) // 4
 | |
|     self.Hdiv4 = H // 4 if (H % 4 == 0) else (H + (4 - H % 4)) // 4
 | |
| 
 | |
|   def cam_callback(self, image):
 | |
|     img = np.frombuffer(image.raw_data, dtype=np.dtype("uint8"))
 | |
|     img = np.reshape(img, (H, W, 4))
 | |
|     img = img[:, :, [0, 1, 2]].copy()
 | |
| 
 | |
|     # convert RGB frame to YUV
 | |
|     rgb = np.reshape(img, (H, W * 3))
 | |
|     rgb_cl = cl_array.to_device(self.queue, rgb)
 | |
|     yuv_cl = cl_array.empty_like(rgb_cl)
 | |
|     self.krnl(self.queue, (np.int32(self.Wdiv4), np.int32(self.Hdiv4)), None, rgb_cl.data, yuv_cl.data).wait()
 | |
|     yuv = np.resize(yuv_cl.get(), np.int32(rgb.size / 2))
 | |
|     eof = int(self.frame_id * 0.05 * 1e9)
 | |
| 
 | |
|     # TODO: remove RGB send once the last RGB vipc subscriber is removed
 | |
|     self.vipc_server.send(VisionStreamType.VISION_STREAM_RGB_ROAD, img.tobytes(), self.frame_id, eof, eof)
 | |
|     self.vipc_server.send(VisionStreamType.VISION_STREAM_ROAD, yuv.data.tobytes(), self.frame_id, eof, eof)
 | |
| 
 | |
|     dat = messaging.new_message('roadCameraState')
 | |
|     dat.roadCameraState = {
 | |
|       "frameId": image.frame,
 | |
|       "transform": [1.0, 0.0, 0.0,
 | |
|                     0.0, 1.0, 0.0,
 | |
|                     0.0, 0.0, 1.0]
 | |
|     }
 | |
|     pm.send('roadCameraState', dat)
 | |
|     self.frame_id += 1
 | |
| 
 | |
| 
 | |
| def imu_callback(imu, vehicle_state):
 | |
|   vehicle_state.bearing_deg = math.degrees(imu.compass)
 | |
|   dat = messaging.new_message('sensorEvents', 2)
 | |
|   dat.sensorEvents[0].sensor = 4
 | |
|   dat.sensorEvents[0].type = 0x10
 | |
|   dat.sensorEvents[0].init('acceleration')
 | |
|   dat.sensorEvents[0].acceleration.v = [imu.accelerometer.x, imu.accelerometer.y, imu.accelerometer.z]
 | |
|   # copied these numbers from locationd
 | |
|   dat.sensorEvents[1].sensor = 5
 | |
|   dat.sensorEvents[1].type = 0x10
 | |
|   dat.sensorEvents[1].init('gyroUncalibrated')
 | |
|   dat.sensorEvents[1].gyroUncalibrated.v = [imu.gyroscope.x, imu.gyroscope.y, imu.gyroscope.z]
 | |
|   pm.send('sensorEvents', dat)
 | |
| 
 | |
| 
 | |
| def panda_state_function(vs: VehicleState, exit_event: threading.Event):
 | |
|   pm = messaging.PubMaster(['pandaStates'])
 | |
|   while not exit_event.is_set():
 | |
|     dat = messaging.new_message('pandaStates', 1)
 | |
|     dat.valid = True
 | |
|     dat.pandaStates[0] = {
 | |
|       'ignitionLine': vs.ignition,
 | |
|       'pandaType': "blackPanda",
 | |
|       'controlsAllowed': True,
 | |
|       'safetyModel': 'hondaNidec'
 | |
|     }
 | |
|     pm.send('pandaStates', dat)
 | |
|     time.sleep(0.5)
 | |
| 
 | |
| 
 | |
| def peripheral_state_function(exit_event: threading.Event):
 | |
|   pm = messaging.PubMaster(['peripheralState'])
 | |
|   while not exit_event.is_set():
 | |
|     dat = messaging.new_message('peripheralState')
 | |
|     dat.valid = True
 | |
|     # fake peripheral state data
 | |
|     dat.peripheralState = {
 | |
|       'pandaType': log.PandaState.PandaType.blackPanda,
 | |
|       'voltage': 12000,
 | |
|       'current': 5678,
 | |
|       'fanSpeedRpm': 1000
 | |
|     }
 | |
|     pm.send('peripheralState', dat)
 | |
|     time.sleep(0.5)
 | |
| 
 | |
| 
 | |
| def gps_callback(gps, vehicle_state):
 | |
|   dat = messaging.new_message('gpsLocationExternal')
 | |
| 
 | |
|   # transform vel from carla to NED
 | |
|   # north is -Y in CARLA
 | |
|   velNED = [
 | |
|     -vehicle_state.vel.y,  # north/south component of NED is negative when moving south
 | |
|     vehicle_state.vel.x,  # positive when moving east, which is x in carla
 | |
|     vehicle_state.vel.z,
 | |
|   ]
 | |
| 
 | |
|   dat.gpsLocationExternal = {
 | |
|     "timestamp": int(time.time() * 1000),
 | |
|     "flags": 1,  # valid fix
 | |
|     "accuracy": 1.0,
 | |
|     "verticalAccuracy": 1.0,
 | |
|     "speedAccuracy": 0.1,
 | |
|     "bearingAccuracyDeg": 0.1,
 | |
|     "vNED": velNED,
 | |
|     "bearingDeg": vehicle_state.bearing_deg,
 | |
|     "latitude": gps.latitude,
 | |
|     "longitude": gps.longitude,
 | |
|     "altitude": gps.altitude,
 | |
|     "speed": vehicle_state.speed,
 | |
|     "source": log.GpsLocationData.SensorSource.ublox,
 | |
|   }
 | |
| 
 | |
|   pm.send('gpsLocationExternal', dat)
 | |
| 
 | |
| 
 | |
| def fake_driver_monitoring(exit_event: threading.Event):
 | |
|   pm = messaging.PubMaster(['driverState', 'driverMonitoringState'])
 | |
|   while not exit_event.is_set():
 | |
|     # dmonitoringmodeld output
 | |
|     dat = messaging.new_message('driverState')
 | |
|     dat.driverState.faceProb = 1.0
 | |
|     pm.send('driverState', dat)
 | |
| 
 | |
|     # dmonitoringd output
 | |
|     dat = messaging.new_message('driverMonitoringState')
 | |
|     dat.driverMonitoringState = {
 | |
|       "faceDetected": True,
 | |
|       "isDistracted": False,
 | |
|       "awarenessStatus": 1.,
 | |
|     }
 | |
|     pm.send('driverMonitoringState', dat)
 | |
| 
 | |
|     time.sleep(DT_DMON)
 | |
| 
 | |
| 
 | |
| def can_function_runner(vs: VehicleState, exit_event: threading.Event):
 | |
|   i = 0
 | |
|   while not exit_event.is_set():
 | |
|     can_function(pm, vs.speed, vs.angle, i, vs.cruise_button, vs.is_engaged)
 | |
|     time.sleep(0.01)
 | |
|     i += 1
 | |
| 
 | |
| 
 | |
| def bridge(q):
 | |
|   # setup CARLA
 | |
|   client = carla.Client("127.0.0.1", 2000)
 | |
|   client.set_timeout(10.0)
 | |
|   world = client.load_world(args.town)
 | |
| 
 | |
|   settings = world.get_settings()
 | |
|   settings.synchronous_mode = True # Enables synchronous mode
 | |
|   settings.fixed_delta_seconds = 0.05
 | |
|   world.apply_settings(settings)
 | |
| 
 | |
|   world.set_weather(carla.WeatherParameters.ClearSunset)
 | |
| 
 | |
|   if args.low_quality:
 | |
|     world.unload_map_layer(carla.MapLayer.Foliage)
 | |
|     world.unload_map_layer(carla.MapLayer.Buildings)
 | |
|     world.unload_map_layer(carla.MapLayer.ParkedVehicles)
 | |
|     world.unload_map_layer(carla.MapLayer.Props)
 | |
|     world.unload_map_layer(carla.MapLayer.StreetLights)
 | |
|     world.unload_map_layer(carla.MapLayer.Particles)
 | |
| 
 | |
|   blueprint_library = world.get_blueprint_library()
 | |
| 
 | |
|   world_map = world.get_map()
 | |
| 
 | |
|   vehicle_bp = blueprint_library.filter('vehicle.tesla.*')[1]
 | |
|   spawn_points = world_map.get_spawn_points()
 | |
|   assert len(spawn_points) > args.num_selected_spawn_point, \
 | |
|     f'''No spawn point {args.num_selected_spawn_point}, try a value between 0 and
 | |
|     {len(spawn_points)} for this town.'''
 | |
|   spawn_point = spawn_points[args.num_selected_spawn_point]
 | |
|   vehicle = world.spawn_actor(vehicle_bp, spawn_point)
 | |
| 
 | |
|   max_steer_angle = vehicle.get_physics_control().wheels[0].max_steer_angle
 | |
| 
 | |
|   # make tires less slippery
 | |
|   # wheel_control = carla.WheelPhysicsControl(tire_friction=5)
 | |
|   physics_control = vehicle.get_physics_control()
 | |
|   physics_control.mass = 2326
 | |
|   # physics_control.wheels = [wheel_control]*4
 | |
|   physics_control.torque_curve = [[20.0, 500.0], [5000.0, 500.0]]
 | |
|   physics_control.gear_switch_time = 0.0
 | |
|   vehicle.apply_physics_control(physics_control)
 | |
| 
 | |
|   blueprint = blueprint_library.find('sensor.camera.rgb')
 | |
|   blueprint.set_attribute('image_size_x', str(W))
 | |
|   blueprint.set_attribute('image_size_y', str(H))
 | |
|   blueprint.set_attribute('fov', '40')
 | |
|   blueprint.set_attribute('sensor_tick', '0.05')
 | |
|   transform = carla.Transform(carla.Location(x=0.8, z=1.13))
 | |
|   camera = world.spawn_actor(blueprint, transform, attach_to=vehicle)
 | |
|   camerad = Camerad()
 | |
|   camera.listen(camerad.cam_callback)
 | |
| 
 | |
|   vehicle_state = VehicleState()
 | |
| 
 | |
|   # reenable IMU
 | |
|   imu_bp = blueprint_library.find('sensor.other.imu')
 | |
|   imu = world.spawn_actor(imu_bp, transform, attach_to=vehicle)
 | |
|   imu.listen(lambda imu: imu_callback(imu, vehicle_state))
 | |
| 
 | |
|   gps_bp = blueprint_library.find('sensor.other.gnss')
 | |
|   gps = world.spawn_actor(gps_bp, transform, attach_to=vehicle)
 | |
|   gps.listen(lambda gps: gps_callback(gps, vehicle_state))
 | |
| 
 | |
|   # launch fake car threads
 | |
|   threads = []
 | |
|   exit_event = threading.Event()
 | |
|   threads.append(threading.Thread(target=panda_state_function, args=(vehicle_state, exit_event,)))
 | |
|   threads.append(threading.Thread(target=peripheral_state_function, args=(exit_event,)))
 | |
|   threads.append(threading.Thread(target=fake_driver_monitoring, args=(exit_event,)))
 | |
|   threads.append(threading.Thread(target=can_function_runner, args=(vehicle_state, exit_event,)))
 | |
|   for t in threads:
 | |
|     t.start()
 | |
| 
 | |
|   # can loop
 | |
|   rk = Ratekeeper(100, print_delay_threshold=0.05)
 | |
| 
 | |
|   # init
 | |
|   throttle_ease_out_counter = REPEAT_COUNTER
 | |
|   brake_ease_out_counter = REPEAT_COUNTER
 | |
|   steer_ease_out_counter = REPEAT_COUNTER
 | |
| 
 | |
|   vc = carla.VehicleControl(throttle=0, steer=0, brake=0, reverse=False)
 | |
| 
 | |
|   is_openpilot_engaged = False
 | |
|   throttle_out = steer_out = brake_out = 0
 | |
|   throttle_op = steer_op = brake_op = 0
 | |
|   throttle_manual = steer_manual = brake_manual = 0
 | |
| 
 | |
|   old_steer = old_brake = old_throttle = 0
 | |
|   throttle_manual_multiplier = 0.7  # keyboard signal is always 1
 | |
|   brake_manual_multiplier = 0.7  # keyboard signal is always 1
 | |
|   steer_manual_multiplier = 45 * STEER_RATIO  # keyboard signal is always 1
 | |
| 
 | |
|   while True:
 | |
|     # 1. Read the throttle, steer and brake from op or manual controls
 | |
|     # 2. Set instructions in Carla
 | |
|     # 3. Send current carstate to op via can
 | |
| 
 | |
|     cruise_button = 0
 | |
|     throttle_out = steer_out = brake_out = 0.0
 | |
|     throttle_op = steer_op = brake_op = 0
 | |
|     throttle_manual = steer_manual = brake_manual = 0.0
 | |
| 
 | |
|     # --------------Step 1-------------------------------
 | |
|     if not q.empty():
 | |
|       message = q.get()
 | |
|       m = message.split('_')
 | |
|       if m[0] == "steer":
 | |
|         steer_manual = float(m[1])
 | |
|         is_openpilot_engaged = False
 | |
|       elif m[0] == "throttle":
 | |
|         throttle_manual = float(m[1])
 | |
|         is_openpilot_engaged = False
 | |
|       elif m[0] == "brake":
 | |
|         brake_manual = float(m[1])
 | |
|         is_openpilot_engaged = False
 | |
|       elif m[0] == "reverse":
 | |
|         cruise_button = CruiseButtons.CANCEL
 | |
|         is_openpilot_engaged = False
 | |
|       elif m[0] == "cruise":
 | |
|         if m[1] == "down":
 | |
|           cruise_button = CruiseButtons.DECEL_SET
 | |
|           is_openpilot_engaged = True
 | |
|         elif m[1] == "up":
 | |
|           cruise_button = CruiseButtons.RES_ACCEL
 | |
|           is_openpilot_engaged = True
 | |
|         elif m[1] == "cancel":
 | |
|           cruise_button = CruiseButtons.CANCEL
 | |
|           is_openpilot_engaged = False
 | |
|       elif m[0] == "ignition":
 | |
|         vehicle_state.ignition = not vehicle_state.ignition
 | |
|       elif m[0] == "quit":
 | |
|         break
 | |
| 
 | |
|       throttle_out = throttle_manual * throttle_manual_multiplier
 | |
|       steer_out = steer_manual * steer_manual_multiplier
 | |
|       brake_out = brake_manual * brake_manual_multiplier
 | |
| 
 | |
|       old_steer = steer_out
 | |
|       old_throttle = throttle_out
 | |
|       old_brake = brake_out
 | |
| 
 | |
|     if is_openpilot_engaged:
 | |
|       sm.update(0)
 | |
| 
 | |
|       # TODO gas and brake is deprecated
 | |
|       throttle_op = clip(sm['carControl'].actuators.accel / 1.6, 0.0, 1.0)
 | |
|       brake_op = clip(-sm['carControl'].actuators.accel / 4.0, 0.0, 1.0)
 | |
|       steer_op = sm['carControl'].actuators.steeringAngleDeg
 | |
| 
 | |
|       throttle_out = throttle_op
 | |
|       steer_out = steer_op
 | |
|       brake_out = brake_op
 | |
| 
 | |
|       steer_out = steer_rate_limit(old_steer, steer_out)
 | |
|       old_steer = steer_out
 | |
| 
 | |
|     else:
 | |
|       if throttle_out == 0 and old_throttle > 0:
 | |
|         if throttle_ease_out_counter > 0:
 | |
|           throttle_out = old_throttle
 | |
|           throttle_ease_out_counter += -1
 | |
|         else:
 | |
|           throttle_ease_out_counter = REPEAT_COUNTER
 | |
|           old_throttle = 0
 | |
| 
 | |
|       if brake_out == 0 and old_brake > 0:
 | |
|         if brake_ease_out_counter > 0:
 | |
|           brake_out = old_brake
 | |
|           brake_ease_out_counter += -1
 | |
|         else:
 | |
|           brake_ease_out_counter = REPEAT_COUNTER
 | |
|           old_brake = 0
 | |
| 
 | |
|       if steer_out == 0 and old_steer != 0:
 | |
|         if steer_ease_out_counter > 0:
 | |
|           steer_out = old_steer
 | |
|           steer_ease_out_counter += -1
 | |
|         else:
 | |
|           steer_ease_out_counter = REPEAT_COUNTER
 | |
|           old_steer = 0
 | |
| 
 | |
|     # --------------Step 2-------------------------------
 | |
|     steer_carla = steer_out / (max_steer_angle * STEER_RATIO * -1)
 | |
| 
 | |
|     steer_carla = np.clip(steer_carla, -1, 1)
 | |
|     steer_out = steer_carla * (max_steer_angle * STEER_RATIO * -1)
 | |
|     old_steer = steer_carla * (max_steer_angle * STEER_RATIO * -1)
 | |
| 
 | |
|     vc.throttle = throttle_out / 0.6
 | |
|     vc.steer = steer_carla
 | |
|     vc.brake = brake_out
 | |
|     vehicle.apply_control(vc)
 | |
| 
 | |
|     # --------------Step 3-------------------------------
 | |
|     vel = vehicle.get_velocity()
 | |
|     speed = math.sqrt(vel.x**2 + vel.y**2 + vel.z**2)  # in m/s
 | |
|     vehicle_state.speed = speed
 | |
|     vehicle_state.vel = vel
 | |
|     vehicle_state.angle = steer_out
 | |
|     vehicle_state.cruise_button = cruise_button
 | |
|     vehicle_state.is_engaged = is_openpilot_engaged
 | |
| 
 | |
|     if rk.frame % PRINT_DECIMATION == 0:
 | |
|       print("frame: ", "engaged:", is_openpilot_engaged, "; throttle: ", round(vc.throttle, 3), "; steer(c/deg): ", round(vc.steer, 3), round(steer_out, 3), "; brake: ", round(vc.brake, 3))
 | |
| 
 | |
|     if rk.frame % 5 == 0:
 | |
|       world.tick()
 | |
| 
 | |
|     rk.keep_time()
 | |
| 
 | |
|   # Clean up resources in the opposite order they were created.
 | |
|   exit_event.set()
 | |
|   for t in reversed(threads):
 | |
|     t.join()
 | |
|   gps.destroy()
 | |
|   imu.destroy()
 | |
|   camera.destroy()
 | |
|   vehicle.destroy()
 | |
| 
 | |
| 
 | |
| def bridge_keep_alive(q: Any):
 | |
|   while 1:
 | |
|     try:
 | |
|       bridge(q)
 | |
|       break
 | |
|     except RuntimeError:
 | |
|       print("Restarting bridge...")
 | |
| 
 | |
| 
 | |
| if __name__ == "__main__":
 | |
|   # make sure params are in a good state
 | |
|   set_params_enabled()
 | |
| 
 | |
|   msg = messaging.new_message('liveCalibration')
 | |
|   msg.liveCalibration.validBlocks = 20
 | |
|   msg.liveCalibration.rpyCalib = [0.0, 0.0, 0.0]
 | |
|   Params().put("CalibrationParams", msg.to_bytes())
 | |
| 
 | |
|   q: Any = Queue()
 | |
|   p = Process(target=bridge_keep_alive, args=(q,), daemon=True)
 | |
|   p.start()
 | |
| 
 | |
|   if args.joystick:
 | |
|     # start input poll for joystick
 | |
|     from lib.manual_ctrl import wheel_poll_thread
 | |
|     wheel_poll_thread(q)
 | |
|     p.join()
 | |
|   else:
 | |
|     # start input poll for keyboard
 | |
|     from lib.keyboard_ctrl import keyboard_poll_thread
 | |
|     keyboard_poll_thread(q)
 | |
| 
 |