How to compile and install the klipper firmware running on a Fly-RPFMex in USB mode
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Compile Klipper firmware for Fly-RPFMex

  • ssh to your klipper host console

  • cd to the klipper directory

    cd ~/klipper

  • Run make clean

    make clean KCONFIG_CONFIG=config.rpfmex

  • Open menuconfig

    make menuconfig KCONFIG_CONFIG=config.rpfmex
  • Set the following settings
    • [*] Enable extra low-level configuration options
    • Micro-controller Architecture (Raspberry Pi RP2040)
    • Bootloader offset (16KiB bootloader)
    • Communication interface (USB)
    • USB ids

    • (gpio24) GPIO pins to set at micro-controller startup

      Klipper Menu Config USB
      Klipper Menu Config USB
  • Quit and save the configuration

  • Run Make to compile the firmware

    make KCONFIG_CONFIG=config.rpfmex -j4

Flash Klipper USB firmware with Katapult over USB

  • Find the Serial ID

    ls /dev/serial/by-id/

  • Copy the ID containing ‘rp2040’ and make a note of it for use in your printer.cfg.

  • Run the make flash command to flash the firmware

    make KCONFIG_CONFIG=config.rpfmex flash FLASH_DEVICE= {Your serial ID here }

  • Example

    make KCONFIG_CONFIG=config.rpfmex flash FLASH_DEVICE=/dev/serial/by-id/usb-katapult_stm32f407xb_170038000650314D35323820-if00
    Burn Klipper firmware over USB
    Burn Klipper firmware over USB

  • Your Fly-RPFMex should now have klipper firmware installed and be ready to use.

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