openarm_description/urdf/ros2_control/openarm.ros2_control.xacro

<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro">

<xacro:macro name="openarm_arm_ros2_control"
         params="arm_type
             control_gains
             can_interface
             use_fake_hardware:=^|false
             fake_sensor_commands:=^|false
             hand:=^|false
             gazebo_effort:=^|false
             arm_prefix:=''
             bimanual:=false
             can_fd:=^|false">

    <ros2_control name="openarm_hardware_interface" type="system">
        <hardware>
          <param name="arm_type">${arm_type}</param>
          <param name="prefix">${arm_prefix}</param>
          <xacro:if value="${use_fake_hardware}">
            <plugin>mock_components/GenericSystem</plugin>
            <param name="fake_sensor_commands">${fake_sensor_commands}</param>
            <param name="state_following_offset">0.0</param>
          </xacro:if>
          <xacro:if value="${use_fake_hardware == 0}">
            <plugin>openarm_hardware/OpenArm_${arm_type}HW</plugin>
            <param name="can_interface">${can_interface}</param>
            <param name="arm_prefix">${arm_prefix}</param>
            <param name="hand">${hand}</param>
            <param name="can_fd">${can_fd}</param>
            <param name="kp1">${control_gains['joint1']['kp']}</param>
            <param name="kp2">${control_gains['joint2']['kp']}</param>
            <param name="kp3">${control_gains['joint3']['kp']}</param>
            <param name="kp4">${control_gains['joint4']['kp']}</param>
            <param name="kp5">${control_gains['joint5']['kp']}</param>
            <param name="kp6">${control_gains['joint6']['kp']}</param>
            <param name="kp7">${control_gains['joint7']['kp']}</param>
            <param name="kd1">${control_gains['joint1']['kd']}</param>
            <param name="kd2">${control_gains['joint2']['kd']}</param>
            <param name="kd3">${control_gains['joint3']['kd']}</param>
            <param name="kd4">${control_gains['joint4']['kd']}</param>
            <param name="kd5">${control_gains['joint5']['kd']}</param>
            <param name="kd6">${control_gains['joint6']['kd']}</param>
            <param name="kd7">${control_gains['joint7']['kd']}</param>
          </xacro:if>
        </hardware>

      <xacro:macro name="configure_joint" params="joint_name initial_position">
        <joint name="${joint_name}">
          <!--
            deactivated for gazebo velocity and position interface due to a bug
            https://github.com/ros-controls/gz_ros2_control/issues/343

            Command Interfaces -->
            <command_interface name="position"/>
            <command_interface name="velocity"/>
            <command_interface name="effort"/>

          <!-- State Interfaces -->
          <state_interface name="position">
            <param name="initial_value">${initial_position}</param>
          </state_interface>

          <state_interface name="velocity">
            <param name="initial_value">0.0</param>
          </state_interface>

          <state_interface name="effort">
            <param name="initial_value">0.0</param>
          </state_interface>

        </joint>
      </xacro:macro>

      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint1" initial_position="0.0"/>
      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint2" initial_position="0.0"/>
      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint3" initial_position="0.0"/>
      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint4" initial_position="0.0"/>
      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint5" initial_position="0.0"/>
      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint6" initial_position="0.0"/>
      <xacro:configure_joint joint_name="openarm_${arm_prefix}joint7" initial_position="0.0"/>

      <xacro:if value="${hand}">
        <xacro:configure_joint joint_name="openarm_${arm_prefix}finger_joint1" initial_position="0.0" />
      </xacro:if>

    </ros2_control>

  </xacro:macro>


</robot>