cps_loki_bringup/launch/rsp.launch.py

# Copyright 2022 Factor Robotics
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
from launch import LaunchDescription
from launch.substitutions import Command, FindExecutable, PathJoinSubstitution
from launch_ros.actions import Node
from launch_ros.substitutions import FindPackageShare
from ament_index_python.packages import get_package_share_directory
from launch_ros.actions import LifecycleNode
from launch_ros.descriptions import ParameterValue


def generate_launch_description():
    robot_description_content = Command(
        [
            PathJoinSubstitution([FindExecutable(name="xacro")]),
            " ",
            PathJoinSubstitution(
                [
                    FindPackageShare("cps_loki_description"),
                    "urdf",
                    "odrive_diffbot.urdf.xacro"
                ]
            ),
        ]
    )
    robot_description = {"robot_description": ParameterValue(robot_description_content, value_type=str)}

    robot_state_pub_node = Node(
        package="robot_state_publisher",
        executable="robot_state_publisher",
        output="both",
        parameters=[robot_description],
    )

    return LaunchDescription([
        robot_state_pub_node
    ])