Use Klipper TMC Autotune

Klipper TMC autotune is an extension for automatic configuration and tuning of TMC drivers.

This extension calculates good values for most registers of TMC stepper motor drivers, given the motor's datasheet information and user selected tuning goal.

Note: Only for FLSUN V400.

Installation

• To install this extension, run the installation script using the following command over SSH. This script will download this GitHub repository in home directory, and symlink the files in the Klipper extras folder:

  wget -O - https://raw.githubusercontent.com/andrewmcgr/klipper_tmc_autotune/main/install.sh | bash
  

Configuration

• Go to your Mainsail Web interface then click on Machine tab.

• Open the printer.cfg file and enable this in this sections:

  • In X Stepper Motor & Driver Settings section such as:

    [autotune_tmc stepper_a]  # Enable if Klipper TMC Autotune is used
    motor: flsun-v400-42
    tuning_goal: performance
    

  • In Y Stepper Motor & Driver Settings section such as:

    [autotune_tmc stepper_b]  # Enable if Klipper TMC Autotune is used
    motor: flsun-v400-42
    tuning_goal: performance
    

  • In Z Stepper Motor & Driver Settings section such as:

    [autotune_tmc stepper_c]  # Enable if Klipper TMC Autotune is used
    motor: flsun-v400-42
    tuning_goal: performance
    

  • In Extruder & Driver Settings section such as:

    [autotune_tmc extruder]  # Enable if Klipper TMC Autotune is used
    motor: flsun-v400-36
    tuning_goal: auto
    

• Once done, click on SAVE & RESTART at the top right to save the file.

• Open the moonraker.conf file and add the following lines at the end of the file:

  [update_manager Klipper TMC Autotune]
  type: git_repo
  channel: dev
  path: ~/klipper_tmc_autotune
  origin: https://github.com/andrewmcgr/klipper_tmc_autotune.git
  managed_services: klipper
  primary_branch: main
  install_script: install.sh
  

• Once done, click on SAVE & RESTART at the top right to save the file.

See more info here: Klipper TMC Autotune | Github