#!/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)