Package Summary

Tags No category tags.
Version 0.1.0
License BSD Clause 3
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/Ekumen-OS/andino.git
VCS Type git
VCS Version humble
Last Updated 2024-05-16
Dev Status DEVELOPED
CI status No Continuous Integration
Released RELEASED
Tags No category tags.
Contributing Help Wanted (0)
Good First Issues (0)
Pull Requests to Review (0)

Package Description

The andino_base package

Additional Links

No additional links.

Maintainers

  • Franco Cipollone

Authors

  • Franco Cipollone

andino_base

Description

The hardware-software-ros interaction in the andino project is developed using ROS 2 Control.

This package: - Implements andino's hardware interface. - Provides a communication with microcontroller: - andino_base::MotorDriver class is in charge of the Serial communication for commanding the motors. - An application is provided for evaluating the communication: Check applications/motor_driver_demo.cpp. To use this application simply execute motor_driver_demo --help to see the options. - This communication module is used by the hardware interface implementation.

Hardware Interface

In ros2_control hardware system components are libraries, dynamically loaded by the controller manager using the pluginlib interface.

For extra information about the hardware components see Hardware Components.

The hardware interface accepts some parameters that are passed via the urdf description within the ros2_control tag (Check andino_description)

Params Description
left_wheel_name Name of the left wheel joint.
right_wheel_name Name of the right wheel joint.
serial_device Path to the serial device.
baud_rate Baud rate of the serial communication.
timeout Timeout for the communication.
enc_ticks_per_rev Encoder ticks per revolution of the wheel.

State interfaces

This hardware interface implements the following state interfaces per joint (for left and right joint): - Position: The position is obtained via encoder information from the microcontroller. - Velocity: Velocity is calculated via encoder information from the microcontroller.

Command interfaces

This hardware interface uses the following command interfaces per joint (for left and right joint): - Velocity: The velocity received (rad/s) is traduced to microcontroller's velocity nomenclature for the motors.

Motor Driver Application

An application for testing the connection with the microcontroller is provided. After installing this package the application called motor_driver_demo can be used.

motor_driver_demo --help

This application allows verifying the communication with the microcontroller for controlling the motors. Commands for reading the encoders or individually setting a velocity for the motors is some of the possibilities.

Extra Notes

  • Serial communication: In case the serial port is denied to be open, probably the user should be added to the plugdev and dialout groups:
    sudo usermod -a -G dialout $USER
    sudo usermod -a -G plugdev $USER

CHANGELOG

Changelog for package andino_base

0.1.0 (2023-10-09)

  • Adds pkg-config module dependency (#161)
  • Adds explicit linking of serial library to motor_driver_demo app. (#157)
  • Removes CMake dependency to controller_manager (#156)
  • Contributors: Franco Cipollone

Wiki Tutorials

See ROS Wiki Tutorials for more details.

Source Tutorials

Not currently indexed.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

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