Files
simulation/launch/uav_only.launch.py
2026-02-09 03:39:49 +00:00

98 lines
2.8 KiB
Python

#!/usr/bin/env python3
"""UAV-only Simulation Launch."""
from launch import LaunchDescription
from launch.actions import DeclareLaunchArgument, ExecuteProcess, TimerAction
from launch.substitutions import LaunchConfiguration
from launch_ros.actions import Node
from launch_ros.substitutions import FindPackageShare
import os
def generate_launch_description():
pkg_share = FindPackageShare('uav_ugv_simulation').find('uav_ugv_simulation')
world_arg = DeclareLaunchArgument(
'world',
default_value=os.path.join(pkg_share, 'worlds', 'empty_custom.world'),
description='Path to world file'
)
gazebo = ExecuteProcess(
cmd=['gazebo', '--verbose', LaunchConfiguration('world')],
output='screen',
additional_env={
'GAZEBO_MODEL_PATH': f"{pkg_share}/models:" + os.path.expanduser('~/ardupilot_gazebo/models'),
}
)
ardupilot = TimerAction(
period=3.0,
actions=[
ExecuteProcess(
cmd=[
'sim_vehicle.py', '-v', 'ArduCopter', '-f', 'gazebo-iris',
'--model', 'JSON', '--map', '--console', '-I0',
'--out', '127.0.0.1:14550',
'--add-param-file', os.path.join(pkg_share, 'config', 'ardupilot_gps_denied.parm')
],
cwd=os.path.expanduser('~/ardupilot/ArduCopter'),
output='screen'
)
]
)
mavros = TimerAction(
period=8.0,
actions=[
Node(
package='mavros',
executable='mavros_node',
name='mavros',
namespace='uav',
output='screen',
parameters=[
os.path.join(pkg_share, 'config', 'mavros_params.yaml'),
{'fcu_url': 'udp://:14550@127.0.0.1:14555'}
]
)
]
)
visual_odom = TimerAction(
period=10.0,
actions=[
Node(
package='uav_ugv_simulation',
executable='visual_odom_node',
name='visual_odom_node',
namespace='uav',
output='screen',
parameters=[os.path.join(pkg_share, 'config', 'uav_params.yaml')]
)
]
)
uav_controller = TimerAction(
period=12.0,
actions=[
Node(
package='uav_ugv_simulation',
executable='uav_controller',
name='uav_controller',
namespace='uav',
output='screen',
parameters=[os.path.join(pkg_share, 'config', 'uav_params.yaml')]
)
]
)
return LaunchDescription([
world_arg,
gazebo,
ardupilot,
mavros,
visual_odom,
uav_controller,
])