Class URPositionHardwareInterface

Inheritance Relationships

Base Type

  • public hardware_interface::SystemInterface

Class Documentation

class URPositionHardwareInterface : public hardware_interface::SystemInterface

The HardwareInterface class handles the interface between the ROS system and the main driver. It contains the read and write methods of the main control loop and registers various ROS topics and services.

Public Functions

RCLCPP_SHARED_PTR_DEFINITIONS(URPositionHardwareInterface)
virtual ~URPositionHardwareInterface()
hardware_interface::CallbackReturn on_init(const hardware_interface::HardwareInfo &system_info) final
std::vector<hardware_interface::StateInterface> export_state_interfaces() final
std::vector<hardware_interface::CommandInterface> export_command_interfaces() final
hardware_interface::CallbackReturn on_configure(const rclcpp_lifecycle::State &previous_state) final
hardware_interface::CallbackReturn on_activate(const rclcpp_lifecycle::State &previous_state) final
hardware_interface::CallbackReturn on_cleanup(const rclcpp_lifecycle::State &previous_state) final
hardware_interface::return_type read(const rclcpp::Time &time, const rclcpp::Duration &period) final
hardware_interface::return_type write(const rclcpp::Time &time, const rclcpp::Duration &period) final
hardware_interface::return_type prepare_command_mode_switch(const std::vector<std::string> &start_interfaces, const std::vector<std::string> &stop_interfaces) final
hardware_interface::return_type perform_command_mode_switch(const std::vector<std::string> &start_interfaces, const std::vector<std::string> &stop_interfaces) final
void handleRobotProgramState(bool program_running)

Callback to handle a change in the current state of the URCaps program running on the robot. Executed only on the state change.

Parameters:

program_running – True when the URCap program is running on the robot.

void asyncThread()

Public Static Attributes

static constexpr double NO_NEW_CMD_ = std::numeric_limits<double>::quiet_NaN()

Protected Functions

template<typename T>
void readData(const std::unique_ptr<urcl::rtde_interface::DataPackage> &data_pkg, const std::string &var_name, T &data)
template<typename T, size_t N>
void readBitsetData(const std::unique_ptr<urcl::rtde_interface::DataPackage> &data_pkg, const std::string &var_name, std::bitset<N> &data)
void initAsyncIO()
void checkAsyncIO()
void updateNonDoubleValues()
void extractToolPose()
void transformForceTorque()
void check_passthrough_trajectory_controller()
void trajectory_done_callback(urcl::control::TrajectoryResult result)
bool has_accelerations(std::vector<std::array<double, 6>> accelerations)
bool has_velocities(std::vector<std::array<double, 6>> velocities)

Protected Attributes

urcl::vector6d_t urcl_position_commands_
urcl::vector6d_t urcl_position_commands_old_
urcl::vector6d_t urcl_velocity_commands_
urcl::vector6d_t urcl_joint_positions_
urcl::vector6d_t urcl_joint_velocities_
urcl::vector6d_t urcl_joint_efforts_
urcl::vector6d_t urcl_ft_sensor_measurements_
urcl::vector6d_t urcl_tcp_pose_
tf2::Quaternion tcp_rotation_quat_
Quaternion tcp_rotation_buffer
bool packet_read_
uint32_t runtime_state_
bool controllers_initialized_
std::bitset<18> actual_dig_out_bits_
std::bitset<18> actual_dig_in_bits_
std::array<double, 2> standard_analog_input_
std::array<double, 2> standard_analog_output_
std::bitset<4> analog_io_types_
uint32_t tool_mode_
std::bitset<2> tool_analog_input_types_
std::array<double, 2> tool_analog_input_
int32_t tool_output_voltage_
double tool_output_current_
double tool_temperature_
double speed_scaling_
double target_speed_fraction_
double speed_scaling_combined_
int32_t robot_mode_
int32_t safety_mode_
std::bitset<4> robot_status_bits_
std::bitset<11> safety_status_bits_
tf2::Vector3 tcp_force_
tf2::Vector3 tcp_torque_
std::array<double, 18> standard_dig_out_bits_cmd_
std::array<double, 2> standard_analog_output_cmd_
double analog_output_domain_cmd_
double tool_voltage_cmd_
double io_async_success_
double target_speed_fraction_cmd_
double scaling_async_success_
double resend_robot_program_cmd_
double resend_robot_program_async_success_
double zero_ftsensor_cmd_
double zero_ftsensor_async_success_
double hand_back_control_cmd_
double hand_back_control_async_success_
bool first_pass_
bool initialized_
double system_interface_initialized_
std::atomic_bool async_thread_shutdown_
double get_robot_software_version_major_
double get_robot_software_version_minor_
double get_robot_software_version_bugfix_
double get_robot_software_version_build_
double passthrough_trajectory_transfer_state_
double passthrough_trajectory_abort_
bool passthrough_trajectory_controller_running_
urcl::vector6d_t passthrough_trajectory_positions_
urcl::vector6d_t passthrough_trajectory_velocities_
urcl::vector6d_t passthrough_trajectory_accelerations_
double passthrough_trajectory_time_from_start_
urcl::vector3d_t payload_center_of_gravity_
double payload_mass_
double payload_async_success_
std::array<double, 18> actual_dig_out_bits_copy_
std::array<double, 18> actual_dig_in_bits_copy_
std::array<double, 4> analog_io_types_copy_
double tool_mode_copy_
std::array<double, 2> tool_analog_input_types_copy_
double tool_output_voltage_copy_
double robot_mode_copy_
double safety_mode_copy_
std::array<double, 4> robot_status_bits_copy_
std::array<double, 11> safety_status_bits_copy_
bool robot_program_running_
bool non_blocking_read_
double robot_program_running_copy_
std::vector<std::array<double, 6>> trajectory_joint_positions_
std::vector<std::array<double, 6>> trajectory_joint_velocities_
std::vector<std::array<double, 6>> trajectory_joint_accelerations_
std::vector<double> trajectory_times_
PausingState pausing_state_
double pausing_ramp_up_increment_
std::vector<uint> stop_modes_
std::vector<std::string> start_modes_
bool position_controller_running_
bool velocity_controller_running_
std::unique_ptr<urcl::UrDriver> ur_driver_
std::shared_ptr<std::thread> async_thread_
std::atomic_bool rtde_comm_has_been_started_ = false
urcl::RobotReceiveTimeout receive_timeout_ = urcl::RobotReceiveTimeout::millisec(20)
const std::string PASSTHROUGH_GPIO = "trajectory_passthrough"