Add pen to xarm lite6
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173
src/draw_svg/launch/robots/lite6_table.launch.py
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173
src/draw_svg/launch/robots/lite6_table.launch.py
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import os
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from ament_index_python import get_package_share_directory
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from launch.launch_description_sources import load_python_launch_file_as_module
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from launch import LaunchDescription
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from launch.actions import IncludeLaunchDescription, DeclareLaunchArgument, RegisterEventHandler
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from launch.launch_description_sources import PythonLaunchDescriptionSource
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from launch.substitutions import LaunchConfiguration, PathJoinSubstitution
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from launch_ros.actions import Node
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from launch_ros.substitutions import FindPackageShare
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from launch.event_handlers import OnProcessExit
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from launch.actions import OpaqueFunction
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def launch_setup(context, *args, **kwargs):
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prefix = LaunchConfiguration('prefix', default='')
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hw_ns = LaunchConfiguration('hw_ns', default='xarm')
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limited = LaunchConfiguration('limited', default=False)
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effort_control = LaunchConfiguration('effort_control', default=False)
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velocity_control = LaunchConfiguration('velocity_control', default=False)
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add_gripper = LaunchConfiguration('add_gripper', default=False)
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add_vacuum_gripper = LaunchConfiguration('add_vacuum_gripper', default=False)
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dof = LaunchConfiguration('dof', default=7)
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robot_type = LaunchConfiguration('robot_type', default='xarm')
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ros2_control_plugin = LaunchConfiguration('ros2_control_plugin', default='gazebo_ros2_control/GazeboSystem')
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add_other_geometry = LaunchConfiguration('add_other_geometry', default=False)
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geometry_type = LaunchConfiguration('geometry_type', default='box')
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geometry_mass = LaunchConfiguration('geometry_mass', default=0.1)
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geometry_height = LaunchConfiguration('geometry_height', default=0.1)
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geometry_radius = LaunchConfiguration('geometry_radius', default=0.1)
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geometry_length = LaunchConfiguration('geometry_length', default=0.1)
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geometry_width = LaunchConfiguration('geometry_width', default=0.1)
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geometry_mesh_filename = LaunchConfiguration('geometry_mesh_filename', default='')
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geometry_mesh_origin_xyz = LaunchConfiguration('geometry_mesh_origin_xyz', default='"0 0 0"')
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geometry_mesh_origin_rpy = LaunchConfiguration('geometry_mesh_origin_rpy', default='"0 0 0"')
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geometry_mesh_tcp_xyz = LaunchConfiguration('geometry_mesh_tcp_xyz', default='"0 0 0"')
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geometry_mesh_tcp_rpy = LaunchConfiguration('geometry_mesh_tcp_rpy', default='"0 0 0"')
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load_controller = LaunchConfiguration('load_controller', default=False)
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ros_namespace = LaunchConfiguration('ros_namespace', default='').perform(context)
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# ros2 control params
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# xarm_controller/launch/lib/robot_controller_lib.py
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mod = load_python_launch_file_as_module(os.path.join(get_package_share_directory('xarm_controller'), 'launch', 'lib', 'robot_controller_lib.py'))
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generate_ros2_control_params_temp_file = getattr(mod, 'generate_ros2_control_params_temp_file')
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ros2_control_params = generate_ros2_control_params_temp_file(
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os.path.join(get_package_share_directory('xarm_controller'), 'config', '{}{}_controllers.yaml'.format(robot_type.perform(context), dof.perform(context))),
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prefix=prefix.perform(context),
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add_gripper=add_gripper.perform(context) in ('True', 'true'),
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ros_namespace=LaunchConfiguration('ros_namespace', default='').perform(context),
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update_rate=1000,
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#robot_type=robot_type.perform(context)
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)
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# robot_description
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# xarm_description/launch/lib/robot_description_lib.py
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mod = load_python_launch_file_as_module(os.path.join(get_package_share_directory('xarm_description'), 'launch', 'lib', 'robot_description_lib.py'))
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#mod = load_python_launch_file_as_module(os.path.join(get_package_share_directory('draw_svg'), 'launch', 'robots', 'xarm_with_pen.py'))
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get_xacro_file_content = getattr(mod, 'get_xacro_file_content')
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robot_description = {
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'robot_description': get_xacro_file_content(
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#xacro_file=PathJoinSubstitution([FindPackageShare('xarm_description'), 'urdf', 'xarm_device.urdf.xacro']),
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xacro_file=PathJoinSubstitution([FindPackageShare('draw_svg'), 'urdf', 'xarm_pen.urdf.xacro']),
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arguments={
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'prefix': prefix,
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'dof': dof,
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'robot_type': robot_type,
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'add_gripper': add_gripper,
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'add_vacuum_gripper': add_vacuum_gripper,
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'hw_ns': hw_ns.perform(context).strip('/'),
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'limited': limited,
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'effort_control': effort_control,
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'velocity_control': velocity_control,
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'ros2_control_plugin': ros2_control_plugin,
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'ros2_control_params': ros2_control_params,
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'add_other_geometry': add_other_geometry,
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'geometry_type': geometry_type,
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'geometry_mass': geometry_mass,
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'geometry_height': geometry_height,
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'geometry_radius': geometry_radius,
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'geometry_length': geometry_length,
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'geometry_width': geometry_width,
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'geometry_mesh_filename': geometry_mesh_filename,
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'geometry_mesh_origin_xyz': geometry_mesh_origin_xyz,
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'geometry_mesh_origin_rpy': geometry_mesh_origin_rpy,
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'geometry_mesh_tcp_xyz': geometry_mesh_tcp_xyz,
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'geometry_mesh_tcp_rpy': geometry_mesh_tcp_rpy,
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}
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),
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}
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# robot state publisher node
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robot_state_publisher_node = Node(
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package='robot_state_publisher',
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executable='robot_state_publisher',
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output='screen',
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parameters=[robot_description],
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remappings=[
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('/tf', 'tf'),
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('/tf_static', 'tf_static'),
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]
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)
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# gazebo launch
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# gazebo_ros/launch/gazebo.launch.py
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#xarm_gazebo_world = PathJoinSubstitution([FindPackageShare('xarm_gazebo'), 'worlds', 'table.world'])
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xarm_gazebo_world = PathJoinSubstitution([FindPackageShare('draw_svg'), 'worlds', 'draw_svg_world.sdf'])
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gazebo_launch = IncludeLaunchDescription(
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PythonLaunchDescriptionSource(PathJoinSubstitution([FindPackageShare('gazebo_ros'), 'launch', 'gazebo.launch.py'])),
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launch_arguments={
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'world': xarm_gazebo_world,
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'server_required': 'true',
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'gui_required': 'true',
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}.items(),
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)
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# gazebo spawn entity node
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gazebo_spawn_entity_node = Node(
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package="gazebo_ros",
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executable="spawn_entity.py",
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output='screen',
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arguments=[
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'-topic', 'robot_description',
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'-entity', '{}{}'.format(robot_type.perform(context), dof.perform(context)),
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'-x', '-0.2',
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#'-x', '0.0',
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'-y', '-0.5',
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#'-y', '0.0',
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'-z', '1.021',
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#'-z', '0.0',
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'-Y', '1.571',
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#'-Y', '0.0',
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],
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)
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# Load controllers
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controllers = [
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'joint_state_broadcaster',
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'{}{}{}_traj_controller'.format(prefix.perform(context), robot_type.perform(context), dof.perform(context)),
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]
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if robot_type.perform(context) == 'xarm' and add_gripper.perform(context) in ('True', 'true'):
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controllers.append('{}{}_gripper_traj_controller'.format(prefix.perform(context), robot_type.perform(context)))
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load_controllers = []
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if load_controller.perform(context) in ('True', 'true'):
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for controller in controllers:
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load_controllers.append(Node(
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package='controller_manager',
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#executable='spawner.py',
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executable='spawner',
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output='screen',
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arguments=[
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controller,
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'--controller-manager', '{}/controller_manager'.format(ros_namespace)
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],
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))
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return [
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RegisterEventHandler(
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event_handler=OnProcessExit(
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target_action=gazebo_spawn_entity_node,
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on_exit=load_controllers,
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)
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),
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gazebo_launch,
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robot_state_publisher_node,
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gazebo_spawn_entity_node,
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]
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def generate_launch_description():
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return LaunchDescription([
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OpaqueFunction(function=launch_setup)
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])
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