Add pen to xarm lite6

This commit is contained in:
2022-11-08 16:55:10 +02:00
parent 8357da8151
commit 880c947cb9
5 changed files with 399 additions and 2 deletions

View File

@@ -0,0 +1,173 @@
import os
from ament_index_python import get_package_share_directory
from launch.launch_description_sources import load_python_launch_file_as_module
from launch import LaunchDescription
from launch.actions import IncludeLaunchDescription, DeclareLaunchArgument, RegisterEventHandler
from launch.launch_description_sources import PythonLaunchDescriptionSource
from launch.substitutions import LaunchConfiguration, PathJoinSubstitution
from launch_ros.actions import Node
from launch_ros.substitutions import FindPackageShare
from launch.event_handlers import OnProcessExit
from launch.actions import OpaqueFunction
def launch_setup(context, *args, **kwargs):
prefix = LaunchConfiguration('prefix', default='')
hw_ns = LaunchConfiguration('hw_ns', default='xarm')
limited = LaunchConfiguration('limited', default=False)
effort_control = LaunchConfiguration('effort_control', default=False)
velocity_control = LaunchConfiguration('velocity_control', default=False)
add_gripper = LaunchConfiguration('add_gripper', default=False)
add_vacuum_gripper = LaunchConfiguration('add_vacuum_gripper', default=False)
dof = LaunchConfiguration('dof', default=7)
robot_type = LaunchConfiguration('robot_type', default='xarm')
ros2_control_plugin = LaunchConfiguration('ros2_control_plugin', default='gazebo_ros2_control/GazeboSystem')
add_other_geometry = LaunchConfiguration('add_other_geometry', default=False)
geometry_type = LaunchConfiguration('geometry_type', default='box')
geometry_mass = LaunchConfiguration('geometry_mass', default=0.1)
geometry_height = LaunchConfiguration('geometry_height', default=0.1)
geometry_radius = LaunchConfiguration('geometry_radius', default=0.1)
geometry_length = LaunchConfiguration('geometry_length', default=0.1)
geometry_width = LaunchConfiguration('geometry_width', default=0.1)
geometry_mesh_filename = LaunchConfiguration('geometry_mesh_filename', default='')
geometry_mesh_origin_xyz = LaunchConfiguration('geometry_mesh_origin_xyz', default='"0 0 0"')
geometry_mesh_origin_rpy = LaunchConfiguration('geometry_mesh_origin_rpy', default='"0 0 0"')
geometry_mesh_tcp_xyz = LaunchConfiguration('geometry_mesh_tcp_xyz', default='"0 0 0"')
geometry_mesh_tcp_rpy = LaunchConfiguration('geometry_mesh_tcp_rpy', default='"0 0 0"')
load_controller = LaunchConfiguration('load_controller', default=False)
ros_namespace = LaunchConfiguration('ros_namespace', default='').perform(context)
# ros2 control params
# xarm_controller/launch/lib/robot_controller_lib.py
mod = load_python_launch_file_as_module(os.path.join(get_package_share_directory('xarm_controller'), 'launch', 'lib', 'robot_controller_lib.py'))
generate_ros2_control_params_temp_file = getattr(mod, 'generate_ros2_control_params_temp_file')
ros2_control_params = generate_ros2_control_params_temp_file(
os.path.join(get_package_share_directory('xarm_controller'), 'config', '{}{}_controllers.yaml'.format(robot_type.perform(context), dof.perform(context))),
prefix=prefix.perform(context),
add_gripper=add_gripper.perform(context) in ('True', 'true'),
ros_namespace=LaunchConfiguration('ros_namespace', default='').perform(context),
update_rate=1000,
#robot_type=robot_type.perform(context)
)
# robot_description
# xarm_description/launch/lib/robot_description_lib.py
mod = load_python_launch_file_as_module(os.path.join(get_package_share_directory('xarm_description'), 'launch', 'lib', 'robot_description_lib.py'))
#mod = load_python_launch_file_as_module(os.path.join(get_package_share_directory('draw_svg'), 'launch', 'robots', 'xarm_with_pen.py'))
get_xacro_file_content = getattr(mod, 'get_xacro_file_content')
robot_description = {
'robot_description': get_xacro_file_content(
#xacro_file=PathJoinSubstitution([FindPackageShare('xarm_description'), 'urdf', 'xarm_device.urdf.xacro']),
xacro_file=PathJoinSubstitution([FindPackageShare('draw_svg'), 'urdf', 'xarm_pen.urdf.xacro']),
arguments={
'prefix': prefix,
'dof': dof,
'robot_type': robot_type,
'add_gripper': add_gripper,
'add_vacuum_gripper': add_vacuum_gripper,
'hw_ns': hw_ns.perform(context).strip('/'),
'limited': limited,
'effort_control': effort_control,
'velocity_control': velocity_control,
'ros2_control_plugin': ros2_control_plugin,
'ros2_control_params': ros2_control_params,
'add_other_geometry': add_other_geometry,
'geometry_type': geometry_type,
'geometry_mass': geometry_mass,
'geometry_height': geometry_height,
'geometry_radius': geometry_radius,
'geometry_length': geometry_length,
'geometry_width': geometry_width,
'geometry_mesh_filename': geometry_mesh_filename,
'geometry_mesh_origin_xyz': geometry_mesh_origin_xyz,
'geometry_mesh_origin_rpy': geometry_mesh_origin_rpy,
'geometry_mesh_tcp_xyz': geometry_mesh_tcp_xyz,
'geometry_mesh_tcp_rpy': geometry_mesh_tcp_rpy,
}
),
}
# robot state publisher node
robot_state_publisher_node = Node(
package='robot_state_publisher',
executable='robot_state_publisher',
output='screen',
parameters=[robot_description],
remappings=[
('/tf', 'tf'),
('/tf_static', 'tf_static'),
]
)
# gazebo launch
# gazebo_ros/launch/gazebo.launch.py
#xarm_gazebo_world = PathJoinSubstitution([FindPackageShare('xarm_gazebo'), 'worlds', 'table.world'])
xarm_gazebo_world = PathJoinSubstitution([FindPackageShare('draw_svg'), 'worlds', 'draw_svg_world.sdf'])
gazebo_launch = IncludeLaunchDescription(
PythonLaunchDescriptionSource(PathJoinSubstitution([FindPackageShare('gazebo_ros'), 'launch', 'gazebo.launch.py'])),
launch_arguments={
'world': xarm_gazebo_world,
'server_required': 'true',
'gui_required': 'true',
}.items(),
)
# gazebo spawn entity node
gazebo_spawn_entity_node = Node(
package="gazebo_ros",
executable="spawn_entity.py",
output='screen',
arguments=[
'-topic', 'robot_description',
'-entity', '{}{}'.format(robot_type.perform(context), dof.perform(context)),
'-x', '-0.2',
#'-x', '0.0',
'-y', '-0.5',
#'-y', '0.0',
'-z', '1.021',
#'-z', '0.0',
'-Y', '1.571',
#'-Y', '0.0',
],
)
# Load controllers
controllers = [
'joint_state_broadcaster',
'{}{}{}_traj_controller'.format(prefix.perform(context), robot_type.perform(context), dof.perform(context)),
]
if robot_type.perform(context) == 'xarm' and add_gripper.perform(context) in ('True', 'true'):
controllers.append('{}{}_gripper_traj_controller'.format(prefix.perform(context), robot_type.perform(context)))
load_controllers = []
if load_controller.perform(context) in ('True', 'true'):
for controller in controllers:
load_controllers.append(Node(
package='controller_manager',
#executable='spawner.py',
executable='spawner',
output='screen',
arguments=[
controller,
'--controller-manager', '{}/controller_manager'.format(ros_namespace)
],
))
return [
RegisterEventHandler(
event_handler=OnProcessExit(
target_action=gazebo_spawn_entity_node,
on_exit=load_controllers,
)
),
gazebo_launch,
robot_state_publisher_node,
gazebo_spawn_entity_node,
]
def generate_launch_description():
return LaunchDescription([
OpaqueFunction(function=launch_setup)
])