Class solo::SoloX

template<int X>
class SoloX

Interface for the Solo robots using the master board.

This class is templated with the number of joints and can be used for both Solo8 and Solo12 by setting the corresponding number.

Solo8

TODO

Solo12

Mapping between the DOF and driver boards + motor ports:

  • FL_HAA: motor board 0, motor port 0, motor index 0

  • FL_HFE: motor board 1, motor port 1, motor index 3

  • FL_KFE: motor board 1, motor port 0, motor index 2

  • FR_HAA: motor board 0, motor port 1, motor index 1

  • FR_HFE: motor board 2, motor port 1, motor index 5

  • FR_KFE: motor board 2, motor port 0, motor index 4

  • HL_HAA: motor board 3, motor port 0, motor index 6

  • HL_HFE: motor board 4, motor port 1, motor index 9

  • HL_KFE: motor board 4, motor port 0, motor index 8

  • HR_HAA: motor board 3, motor port 1, motor index 7

  • HR_HFE: motor board 5, motor port 1, motor index 11

  • HR_KFE: motor board 5, motor port 0, motor index 10

This class is templated with the number of joints and can be used for both Solo8 and Solo12 by setting the corresponding number.

Solo8

TODO

Solo12

Mapping between the DOF and driver boards + motor ports:

  • FL_HAA: motor board 0, motor port 0, motor index 0

  • FL_HFE: motor board 1, motor port 1, motor index 3

  • FL_KFE: motor board 1, motor port 0, motor index 2

  • FR_HAA: motor board 0, motor port 1, motor index 1

  • FR_HFE: motor board 2, motor port 1, motor index 5

  • FR_KFE: motor board 2, motor port 0, motor index 4

  • HL_HAA: motor board 3, motor port 0, motor index 6

  • HL_HFE: motor board 4, motor port 1, motor index 9

  • HL_KFE: motor board 4, motor port 0, motor index 8

  • HR_HAA: motor board 3, motor port 1, motor index 7

  • HR_HFE: motor board 5, motor port 1, motor index 11

  • HR_KFE: motor board 5, motor port 0, motor index 10

Template Parameters:
  • X – Number of joints of the robot. Should be either 8 or 12.

  • X – Number of joints of the robot. Should be either 8 or 12.

Public Functions

SoloX()

Solo is the constructor of the class.

void initialize(const std::string &network_id, const std::string &slider_box_port = "auto")

Initialize the robot by setting aligning the motors and calibrate the sensors to 0.

Parameters:
  • network_id – Name of the network interface for connection to the robot.

  • slider_box_port – Name of the serial port to which the slider box is connected. Set to “” or “none” if no slider box is used. Set to “auto” to auto-detect the port.

void set_max_current(const double &max_current)

Sets the maximum joint torques.

void wait_until_ready()

Wait that the robot enters into the ready states.

bool is_ready()

Check if the robot is ready.

void send_target_joint_torque(const Eigen::Ref<Vectord<X>> target_joint_torque)

send_target_torques sends the target currents to the motors.

void send_target_joint_position(const Eigen::Ref<Vectord<X>> target_joint_position)

Sets the desired joint position of the P controller running on the card.

void send_target_joint_velocity(const Eigen::Ref<Vectord<X>> target_joint_velocity)

Sets the desired joint velocity of the D controller running on the card.

void send_target_joint_position_gains(const Eigen::Ref<Vectord<X>> target_joint_position_gains)

Sets the desired joint position gain P for the P controller running on the card.

void send_target_joint_velocity_gains(const Eigen::Ref<Vectord<X>> target_joint_velocity_gains)

Sets the desired joint velocity gain D for the D controller running on the card.

void acquire_sensors()

acquire_sensors acquire all available sensors, WARNING !!!! this method has to be called prior to any getter to have up to date data.

bool request_calibration(const Vectord<X> &home_offset_rad)

Asynchronously request for the calibration.

Parameters:

home_offset_rad – This is the angle between the index and the zero pose.

Returns:

true in case of success.

Returns:

false in case of failure.

inline const Eigen::Ref<Vectord<X>> get_motor_inertias()

Joint properties.

get_motor_inertias in [kg m^2]

Returns:

Motor inertias.

inline const Eigen::Ref<Vectord<X>> get_motor_torque_constants()

get_motor_torque_constants in []

Returns:

Torque constants of each motor.

inline const Eigen::Ref<Vectord<X>> get_joint_gear_ratios()

get_joint_gear_ratios

Returns:

Joint gear ratios

inline const Eigen::Ref<Vectord<X>> get_motor_max_current()

get_max_torque

Todo:

Parametrize the maximum current via yaml or something else.

Returns:

the max torque that has been hardcoded in the constructor of this class.

inline const Eigen::Ref<Vectord<X>> get_joint_positions()

Sensor Data.

get_joint_positions

Returns:

the joint angle of each module WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_velocities()

get_joint_velocities

Returns:

the joint velocities WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_torques()

get_joint_torques

Returns:

the joint torques WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_target_torques()

get_joint_torques

Returns:

the target joint torques WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_encoder_index()

get_joint_encoder_index

Returns:

the position of the index of the encoders a the motor level WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector4d> get_contact_sensors_states()

get_contact_sensors_states

Returns:

the state of the contacts states WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector4d> get_slider_positions()

get_slider_positions

Returns:

the current sliders positions. WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector3d> get_imu_accelerometer()

base accelerometer from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector3d> get_imu_gyroscope()

base gyroscope from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector4d> get_imu_attitude()

base attitude quaternion (ordered {x, y, z, w}) from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector3d> get_imu_linear_acceleration()

base linear acceleration from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const std::array<bool, X> &get_motor_enabled()

get_motor_enabled

Returns:

This gives the status (enabled/disabled) of each motors using the joint ordering convention.

inline const std::array<bool, X> &get_motor_ready()

get_motor_ready

Returns:

This gives the status (enabled/disabled) of each motors using the joint ordering convention.

inline const std::array<bool, X / 2> &get_motor_board_enabled()

get_motor_board_enabled

Returns:

This gives the status (enabled/disabled of the onboard control cards).

inline const std::array<int, X / 2> &get_motor_board_errors()

get_motor_board_errors

Returns:

This gives the status (enabled/disabled of the onboard control cards).

inline bool has_error() const

has_error

Returns:

Returns true if the robot hardware has an error, false otherwise.

inline bool is_calibrating()

is_calibrating()

Returns:

Returns true if the calibration procedure is running right now.

inline int get_num_sent_command_packets() const

Get total number of command packets sent to the robot.

inline int get_num_lost_command_packets() const

Get number of lost command packets.

inline int get_num_sent_sensor_packets() const

Get total number of sensor packets sent by the robot.

inline int get_num_lost_sensor_packets() const

Get number of lost sensor packets.

SoloX()

Solo is the constructor of the class.

void initialize(const std::string &network_id, const std::string &slider_box_port = "auto")

Initialize the robot by setting aligning the motors and calibrate the sensors to 0.

Parameters:
  • network_id – Name of the network interface for connection to the robot.

  • slider_box_port – Name of the serial port to which the slider box is connected. Set to “” or “none” if no slider box is used. Set to “auto” to auto-detect the port.

void set_max_current(const double &max_current)

Sets the maximum joint torques.

void wait_until_ready()

Wait that the robot enters into the ready states.

bool is_ready()

Check if the robot is ready.

void send_target_joint_torque(const Eigen::Ref<Vectord<X>> target_joint_torque)

send_target_torques sends the target currents to the motors.

void send_target_joint_position(const Eigen::Ref<Vectord<X>> target_joint_position)

Sets the desired joint position of the P controller running on the card.

void send_target_joint_velocity(const Eigen::Ref<Vectord<X>> target_joint_velocity)

Sets the desired joint velocity of the D controller running on the card.

void send_target_joint_position_gains(const Eigen::Ref<Vectord<X>> target_joint_position_gains)

Sets the desired joint position gain P for the P controller running on the card.

void send_target_joint_velocity_gains(const Eigen::Ref<Vectord<X>> target_joint_velocity_gains)

Sets the desired joint velocity gain D for the D controller running on the card.

void acquire_sensors()

acquire_sensors acquire all available sensors, WARNING !!!! this method has to be called prior to any getter to have up to date data.

bool request_calibration(const Vectord<X> &home_offset_rad)

Asynchronously request for the calibration.

Parameters:

home_offset_rad – This is the angle between the index and the zero pose.

Returns:

true in case of success.

Returns:

false in case of failure.

inline const Eigen::Ref<Vectord<X>> get_motor_inertias()

Joint properties.

get_motor_inertias in [kg m^2]

Returns:

Motor inertias.

inline const Eigen::Ref<Vectord<X>> get_motor_torque_constants()

get_motor_torque_constants in []

Returns:

Torque constants of each motor.

inline const Eigen::Ref<Vectord<X>> get_joint_gear_ratios()

get_joint_gear_ratios

Returns:

Joint gear ratios

inline const Eigen::Ref<Vectord<X>> get_motor_max_current()

get_max_torque

Todo:

Parametrize the maximum current via yaml or something else.

Returns:

the max torque that has been hardcoded in the constructor of this class.

inline const Eigen::Ref<Vectord<X>> get_joint_positions()

Sensor Data.

get_joint_positions

Returns:

the joint angle of each module WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_velocities()

get_joint_velocities

Returns:

the joint velocities WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_torques()

get_joint_torques

Returns:

the joint torques WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_target_torques()

get_joint_torques

Returns:

the target joint torques WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Vectord<X>> get_joint_encoder_index()

get_joint_encoder_index

Returns:

the position of the index of the encoders a the motor level WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector4d> get_contact_sensors_states()

get_contact_sensors_states

Returns:

the state of the contacts states WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector4d> get_slider_positions()

get_slider_positions

Returns:

the current sliders positions. WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector3d> get_imu_accelerometer()

base accelerometer from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector3d> get_imu_gyroscope()

base gyroscope from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector4d> get_imu_attitude()

base attitude quaternion (ordered {x, y, z, w}) from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const Eigen::Ref<Eigen::Vector3d> get_imu_linear_acceleration()

base linear acceleration from imu.

Returns:

WARNING !!!! The method <acquire_sensors>”()” has to be called prior to any getter to have up to date data.

inline const std::array<bool, X> &get_motor_enabled()

get_motor_enabled

Returns:

This gives the status (enabled/disabled) of each motors using the joint ordering convention.

inline const std::array<bool, X> &get_motor_ready()

get_motor_ready

Returns:

This gives the status (enabled/disabled) of each motors using the joint ordering convention.

inline const std::array<bool, X / 2> &get_motor_board_enabled()

get_motor_board_enabled

Returns:

This gives the status (enabled/disabled of the onboard control cards).

inline const std::array<int, X / 2> &get_motor_board_errors()

get_motor_board_errors

Returns:

This gives the status (enabled/disabled of the onboard control cards).

inline bool has_error() const

has_error

Returns:

Returns true if the robot hardware has an error, false otherwise.

inline bool is_calibrating()

is_calibrating()

Returns:

Returns true if the calibration procedure is running right now.

inline int get_num_sent_command_packets() const

Get total number of command packets sent to the robot.

inline int get_num_lost_command_packets() const

Get number of lost command packets.

inline int get_num_sent_sensor_packets() const

Get total number of sensor packets sent by the robot.

inline int get_num_lost_sensor_packets() const

Get number of lost sensor packets.

Public Static Attributes

static const std::string SLIDER_BOX_DISABLED = "none"

Set slider box port to this value to disable it.

static const std::string LOGGER_NAME = "solo/Solo"

Name of the spdlog logger used by the class.