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15b8951 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 | # Bringup launch - driver trần cho Go2 (camera + odom + /scan + twist_mux),
# KHÔNG SLAM/Nav2/RViz. Dùng trực tiếp cho demo1 (vòng lặp VLM), và được
# navigation.launch.py / mapping.launch.py include lại làm base.
#
# Env:
# ROBOT_IP, ROBOT_TOKEN (rỗng cho Go2 LAN trực tiếp), CONN_TYPE (webrtc)
# DECODE_LIDAR=false -> tắt giải mã lidar (chế độ NaVILA nhẹ, mất /scan)
# MAP_NAME, MAP_SAVE -> chỉ dùng cho lidar_to_pointcloud ở multi mode
#
# Args:
# teleop:=true|false joystick + teleop_twist_joy + twist_mux
import os
import yaml
from ament_index_python.packages import get_package_share_directory
from launch import LaunchDescription
from launch.conditions import IfCondition
from launch.substitutions import LaunchConfiguration
from launch_ros.actions import Node
from launch.actions import DeclareLaunchArgument
def load_robot_conn(pkg_dir):
"""Đọc config/robot.yaml (robot_ip/conn_type/robot_token). Env override nếu được đặt.
Trả về (robot_ip, robot_ip_list, conn_type, robot_token).
"""
cfg = {}
try:
with open(os.path.join(pkg_dir, 'config', 'robot.yaml')) as f:
cfg = yaml.safe_load(f) or {}
except Exception:
pass
robot_ip = os.getenv('ROBOT_IP') or cfg.get('robot_ip', '') or ''
conn_type = os.getenv('CONN_TYPE') or cfg.get('conn_type', 'webrtc') or 'webrtc'
robot_token = os.environ.get('ROBOT_TOKEN', cfg.get('robot_token', '') or '')
robot_ip_list = robot_ip.replace(" ", "").split(",") if robot_ip else []
return robot_ip, robot_ip_list, conn_type, robot_token
def generate_launch_description():
"""Base bringup: driver + lidar->scan + teleop."""
# --- Paths ---
pkg_dir = get_package_share_directory('go2_navigation') # config
sdk_dir = get_package_share_directory('go2_robot_sdk') # urdf
# --- Kết nối robot: config/robot.yaml (env override) ---
robot_ip, robot_ip_list, conn_type, robot_token = load_robot_conn(pkg_dir)
decode_lidar = os.getenv('DECODE_LIDAR', 'true').lower() not in ('0', 'false', 'no')
map_name = os.getenv('MAP_NAME', 'my_map')
map_save = os.getenv('MAP_SAVE', 'false')
conn_mode = "single" if len(robot_ip_list) == 1 and conn_type != "cyclonedds" else "multi"
urdf_file = 'go2.urdf' if conn_mode == 'single' else 'multi_go2.urdf'
config_paths = {
'joystick': os.path.join(pkg_dir, 'config', 'joystick.yaml'),
'twist_mux': os.path.join(pkg_dir, 'config', 'twist_mux.yaml'),
'urdf': os.path.join(sdk_dir, 'urdf', urdf_file),
}
print("🐕 Go2 Bringup:")
print(f" Robot IPs: {robot_ip_list}")
print(f" Connection: {conn_type} ({conn_mode}) decode_lidar={decode_lidar}")
with open(config_paths['urdf'], 'r') as file:
robot_desc = file.read()
# --- Launch args ---
use_sim_time = LaunchConfiguration('use_sim_time', default='false')
with_teleop = LaunchConfiguration('teleop', default='true')
launch_args = [
DeclareLaunchArgument('teleop', default_value='true',
description='Launch joystick/teleop/twist_mux'),
]
# --- Core nodes ---
core_nodes = [
Node(
package='robot_state_publisher',
executable='robot_state_publisher',
name='go2_robot_state_publisher',
output='screen',
parameters=[{
'use_sim_time': use_sim_time,
'robot_description': robot_desc,
}],
),
Node(
package='go2_robot_sdk',
executable='go2_driver_node',
name='go2_driver_node',
output='screen',
parameters=[{
'robot_ip': robot_ip,
'token': robot_token,
'conn_type': conn_type,
'enable_video': True,
'decode_lidar': decode_lidar,
'lidar_publish_rate': 15.0, # chặn firehose LiDAR (robot bắn ~1000Hz)
'lidar_voxel_size': 0.06, # voxel 6cm ở driver -> nhẹ CPU/băng thông
}],
),
]
# LiDAR -> /scan. Chỉ chạy khi decode_lidar (nếu tắt, driver không publish
# /point_cloud2 nên các node này vô nghĩa). Single mode: driver đã publish
# /point_cloud2 trực tiếp; MULTI mode cần lidar_to_pointcloud gộp trước.
if decode_lidar:
core_nodes.append(Node(
package='go2_navigation',
executable='pointcloud_aggregator_node',
name='pointcloud_aggregator',
remappings=[('cloud_in', '/point_cloud2')],
parameters=[{
'max_range': 10.0,
'min_range': 0.30,
'height_filter_min': 0.2, # lát 0.2-0.4m -> khớp map đã quét (AMCL)
'height_filter_max': 0.4,
'downsample_rate': 1,
'publish_rate': 20.0,
'voxel_leaf_size': 0.0, # driver đã voxel 0.06m
# SOR (StatisticalOutlierRemoval) là bộ lọc NẶNG NHẤT (KD-tree),
# thời gian xử lý biến thiên -> /scan tụt 7.7->5.3Hz + giật.
# TẮT để scan bám sát nhịp lidar (~7.7Hz) & đều hơn. ROR (rẻ) gánh
# việc lọc điểm ma cho costmap Nav2. min_neighbors=4: đủ dẹp nhiễu lẻ
# loi (sạch hơn bản gốc 3) NHƯNG không gọt mất chân NGƯỜI đứng (2 ống
# chân mảnh, điểm thưa) như mức 5. Cân bằng: bớt phantom mà vẫn thấy người.
'sor_enable': False,
'sor_mean_k': 16,
'sor_std_dev': 0.9,
'ror_enable': True,
'ror_radius': 0.25,
'ror_min_neighbors': 4,
}],
))
core_nodes.append(Node(
package='pointcloud_to_laserscan',
executable='pointcloud_to_laserscan_node',
name='go2_pointcloud_to_laserscan',
remappings=[('cloud_in', '/pointcloud/filtered'), ('scan', '/scan')],
parameters=[{
'target_frame': 'base_link',
'max_height': 2.0,
'min_height': -1.0,
'angle_min': -3.14159,
'angle_max': 3.14159,
'angle_increment': 0.00872665,
'scan_time': 0.1,
'range_min': 0.35, # loại chân/thân robot
'range_max': 10.0,
'use_inf': True,
'concurrency_level': 2,
}],
output='screen',
))
if conn_mode != 'single':
core_nodes.append(Node(
package='go2_navigation',
executable='lidar_to_pointcloud_node',
name='lidar_to_pointcloud',
parameters=[{
'robot_ip_lst': robot_ip_list,
'map_name': map_name,
'map_save': map_save,
}],
))
# --- Teleop ---
teleop_nodes = [
Node(
package='joy',
executable='joy_node',
condition=IfCondition(with_teleop),
parameters=[config_paths['joystick']],
),
Node(
package='teleop_twist_joy',
executable='teleop_node',
name='go2_teleop_node',
condition=IfCondition(with_teleop),
parameters=[config_paths['twist_mux']],
),
Node(
package='twist_mux',
executable='twist_mux',
output='screen',
condition=IfCondition(with_teleop),
parameters=[{'use_sim_time': use_sim_time}, config_paths['twist_mux']],
),
]
return LaunchDescription(launch_args + core_nodes + teleop_nodes)
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