openarm_ros2/openarm_bimanual_description/launch/description.launch.py

48 lines
1.5 KiB
Python

from pathlib import Path
import launch
from launch.substitutions import Command
from launch.substitutions import LaunchConfiguration
from launch.actions import DeclareLaunchArgument
import launch_ros
from launch_ros.parameter_descriptions import ParameterValue
def generate_launch_description():
pkg_share = Path(
launch_ros.substitutions.FindPackageShare(package="openarm_bimanual_description").find(
"openarm_bimanual_description"
)
)
default_model_path = pkg_share / "urdf/openarm_bimanual.urdf.xacro"
use_sim_time = LaunchConfiguration("use_sim_time")
use_sim_time_launch_arg = DeclareLaunchArgument("use_sim_time", default_value="true")
robot_state_publisher_node = launch_ros.actions.Node(
package="robot_state_publisher",
executable="robot_state_publisher",
parameters=[
{
# ParameterValue is required to avoid being interpreted as YAML.
"robot_description": ParameterValue(
Command(["xacro ", LaunchConfiguration("model")]), value_type=str
),
"use_sim_time": use_sim_time,
},
],
)
return launch.LaunchDescription(
[
launch.actions.DeclareLaunchArgument(
name="model",
default_value=str(default_model_path),
description="Absolute path to the robot's URDF file",
),
use_sim_time_launch_arg,
robot_state_publisher_node,
]
)