Set up the Rasberry Pi 3,4 or Zero for use with the Fly-Puppet.

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Configuring and installing Rasberry Pi for the Fly-Puppet

Mounting the Rasberry Pi to the Fly-Puppet

• The Rasberry Pi mounts to the sockets on the bottom of the Fly-Puppet

  

Write OS to SD or EMMC

• If you are using an SD card, mount the SD card on your PC.
• Chose an Operating system to load, It is recommended to use mainsailos or fluiddpi
  • Download MainsailOS
  • MainsailOS Burning Tutorial
  • FluiddPi download
  • FluiddPi Burning Tutorial
• After the burning is completed, please do not start the system, complete the following settings

Post image Burn configuration

Perform these steps before starting up the Rasberry Pi

• Open the mounted EMMC Drive or SD card on your PC.
• Open the config.txt file in the /boot directory and add following two lines configuration

  dtoverlay=pi3-miniuart-bt
  dtoverlay=dwc2,dr_mode=host
  

  

• Create a new blank file under the boot disk, the file name is SSH , no suffix
• WIFI Setup
  • MainsailOS modify /boot/mainsailos-wpa-supplicant.txt
  • FluiddPi modify /boot/fluiddpi-wpa-supplicant.txt
  • Delete the # in front of these 4 lines
  • Change ssid and psk to your WiFi name and password respectively

  

  • The preparations are complete, If you used an SD card now you can install the SD card into Raspberry Pi and start it up

Compile Klipper firmware for Linux MCU

• ssh to your klipper host console
• cd to the klipper directory

  cd klipper
  

• Run make clean

  make clean
  

• Open menuconfig

  make menuconfig
  

• Set the following settings
  • Enable extra Low Level configuration options : Un-Checked

  • Micro Controller : Linux Process

    

• Quit and save the configuration

Flash The Rasberry Pi as a Lunix MCU

• run the following command to flash the Rasberry Pi

  sudo service klipper stop
  make flash
  sudo service klipper start
  

• Add the following to your Fly-Puppet printer.cfg file to connect the Rasberry Pi as an MCU in klipper.

  [mcu host]
  serial: /tmp/klipper_host_mcu