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97 changes: 97 additions & 0 deletions
97
gz_ros2_control_demos/launch/pendulum_example_effort.launch.py
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# Copyright 2024 ros2_control Development Team | ||
# | ||
# 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. | ||
|
||
from launch import LaunchDescription | ||
from launch.actions import DeclareLaunchArgument, ExecuteProcess, IncludeLaunchDescription | ||
from launch.actions import RegisterEventHandler | ||
from launch.event_handlers import OnProcessExit | ||
from launch.launch_description_sources import PythonLaunchDescriptionSource | ||
from launch.substitutions import Command, FindExecutable, LaunchConfiguration, PathJoinSubstitution | ||
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from launch_ros.actions import Node | ||
from launch_ros.substitutions import FindPackageShare | ||
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def generate_launch_description(): | ||
# Launch Arguments | ||
use_sim_time = LaunchConfiguration('use_sim_time', default=True) | ||
|
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# Get URDF via xacro | ||
robot_description_content = Command( | ||
[ | ||
PathJoinSubstitution([FindExecutable(name="xacro")]), | ||
" ", | ||
PathJoinSubstitution( | ||
[FindPackageShare("gz_ros2_control_demos"), | ||
"urdf", "test_pendulum_effort.xacro.urdf"] | ||
), | ||
] | ||
) | ||
robot_description = {"robot_description": robot_description_content} | ||
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||
node_robot_state_publisher = Node( | ||
package='robot_state_publisher', | ||
executable='robot_state_publisher', | ||
output='screen', | ||
parameters=[robot_description] | ||
) | ||
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gz_spawn_entity = Node( | ||
package='ros_gz_sim', | ||
executable='create', | ||
output='screen', | ||
arguments=["-topic", "robot_description", | ||
"-name", "cart", "-allow_renaming", "true"], | ||
) | ||
|
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load_joint_state_broadcaster = ExecuteProcess( | ||
cmd=['ros2', 'control', 'load_controller', '--set-state', 'active', | ||
'joint_state_broadcaster'], | ||
output='screen' | ||
) | ||
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load_joint_effort_controller = ExecuteProcess( | ||
cmd=['ros2', 'control', 'load_controller', | ||
'--set-state', 'active', 'effort_controller'], | ||
output='screen' | ||
) | ||
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||
return LaunchDescription([ | ||
# Launch gazebo environment | ||
IncludeLaunchDescription( | ||
PythonLaunchDescriptionSource( | ||
[PathJoinSubstitution([FindPackageShare('ros_gz_sim'), | ||
'launch', | ||
'gz_sim.launch.py'])]), | ||
launch_arguments=[('gz_args', [' -r -v 3 empty.sdf'])]), | ||
RegisterEventHandler( | ||
event_handler=OnProcessExit( | ||
target_action=gz_spawn_entity, | ||
on_exit=[load_joint_state_broadcaster], | ||
) | ||
), | ||
RegisterEventHandler( | ||
event_handler=OnProcessExit( | ||
target_action=load_joint_state_broadcaster, | ||
on_exit=[load_joint_effort_controller], | ||
) | ||
), | ||
node_robot_state_publisher, | ||
gz_spawn_entity, | ||
# Launch Arguments | ||
DeclareLaunchArgument( | ||
'use_sim_time', | ||
default_value=use_sim_time, | ||
description='If true, use simulated clock'), | ||
]) |
97 changes: 97 additions & 0 deletions
97
gz_ros2_control_demos/launch/pendulum_example_position.launch.py
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@@ -0,0 +1,97 @@ | ||
# Copyright 2024 ros2_control Development Team | ||
# | ||
# 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. | ||
|
||
from launch import LaunchDescription | ||
from launch.actions import DeclareLaunchArgument, ExecuteProcess, IncludeLaunchDescription | ||
from launch.actions import RegisterEventHandler | ||
from launch.event_handlers import OnProcessExit | ||
from launch.launch_description_sources import PythonLaunchDescriptionSource | ||
from launch.substitutions import Command, FindExecutable, LaunchConfiguration, PathJoinSubstitution | ||
|
||
from launch_ros.actions import Node | ||
from launch_ros.substitutions import FindPackageShare | ||
|
||
|
||
def generate_launch_description(): | ||
# Launch Arguments | ||
use_sim_time = LaunchConfiguration('use_sim_time', default=True) | ||
|
||
# Get URDF via xacro | ||
robot_description_content = Command( | ||
[ | ||
PathJoinSubstitution([FindExecutable(name="xacro")]), | ||
" ", | ||
PathJoinSubstitution( | ||
[FindPackageShare("gz_ros2_control_demos"), | ||
"urdf", "test_pendulum_position.xacro.urdf"] | ||
), | ||
] | ||
) | ||
robot_description = {"robot_description": robot_description_content} | ||
|
||
node_robot_state_publisher = Node( | ||
package='robot_state_publisher', | ||
executable='robot_state_publisher', | ||
output='screen', | ||
parameters=[robot_description] | ||
) | ||
|
||
gz_spawn_entity = Node( | ||
package='ros_gz_sim', | ||
executable='create', | ||
output='screen', | ||
arguments=["-topic", "robot_description", | ||
"-name", "cart", "-allow_renaming", "true"], | ||
) | ||
|
||
load_joint_state_broadcaster = ExecuteProcess( | ||
cmd=['ros2', 'control', 'load_controller', '--set-state', 'active', | ||
'joint_state_broadcaster'], | ||
output='screen' | ||
) | ||
|
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load_joint_trajectory_controller = ExecuteProcess( | ||
cmd=['ros2', 'control', 'load_controller', '--set-state', 'active', | ||
'joint_trajectory_controller'], | ||
output='screen' | ||
) | ||
|
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return LaunchDescription([ | ||
# Launch gazebo environment | ||
IncludeLaunchDescription( | ||
PythonLaunchDescriptionSource( | ||
[PathJoinSubstitution([FindPackageShare('ros_gz_sim'), | ||
'launch', | ||
'gz_sim.launch.py'])]), | ||
launch_arguments=[('gz_args', [' -r -v 4 empty.sdf'])]), | ||
RegisterEventHandler( | ||
event_handler=OnProcessExit( | ||
target_action=gz_spawn_entity, | ||
on_exit=[load_joint_state_broadcaster], | ||
) | ||
), | ||
RegisterEventHandler( | ||
event_handler=OnProcessExit( | ||
target_action=load_joint_state_broadcaster, | ||
on_exit=[load_joint_trajectory_controller], | ||
) | ||
), | ||
node_robot_state_publisher, | ||
gz_spawn_entity, | ||
# Launch Arguments | ||
DeclareLaunchArgument( | ||
'use_sim_time', | ||
default_value=use_sim_time, | ||
description='If true, use simulated clock'), | ||
]) |
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