How to compile and install the klipper firmware running on a Fly-CDYv2 in USB mode
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Configuring and installing Klipper for USB

Compile Klipper firmware for Fly-CDYv2

  • ssh to your klipper host console

  • cd to the klipper directory

    cd ~/klipper

  • Run make clean

    make clean KCONFIG_CONFIG=config.cdyv2

  • Open menuconfig

    make menuconfig KCONFIG_CONFIG=config.cdyv2
  • Set the following settings
    • [*] Enable extra low-level configuration options
    • Micro-controller Architecture (STMicroelectronics STM32)
    • Processor model (STM32F407)
    • Bootloader offset (32KiB bootloader)
    • Clock Reference (8 MHz crystal)
    • Communication interface (USB (on PA11/PA12))
    • USB ids

    • () 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.cdyv2 -j4

Flash Klipper to the Fly-CDYv2 MCU

  • ftp to your klipper host with an FTP client like FileZilla
    • open the folder ‘~/klipper/out’.
    • download klipper.bin to your PC.
  • place the MCU MicroSD card into a card reader and connect it to your PC.
  • ensure that the SD Card is formatted as Fat32. If in doubt use the SD Card Formatter.
  • Copy the klipper.bin file to the root of the SD card.
  • rename klipper.bin to firmware.bin
  • Eject the SD card from the PC

  • Insert the SD card into the Fly-CDYv2 SD card Slot.

    FLy-CDYv2 SD card
    FLy-CDYv2 SD card

  • Press the MCU reboot button

    Fly-CDYv2 reset
    Fly-CDYv2 reset

  • Wait a few minutes

  • Open a putty SSH session to your klipper host and log on

  • run lsusb to verify the MCU has been discovered as a klipper device
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