Fly-Super8Pro H723 Klipper host
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Configuring and installing Klipper for CAN bus

Compile Klipper firmware for can

  • 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 : Checked
    • Micro Controller : STMicroelectronics STM32
    • Processor Model: STM32H723
    • Bootloader offset: 128 KiB bootloader
    • Clock Ref: 25 MHz crystal

    • Comm Interface - CAN on PB8/PB9

    • CanBus Speed: 500000

      Klipper Menu Config CAN
      Klipper Menu Config CAN

  • Quit and save the configuration

  • Run Make to compile the firmware
make -j4

Flash Klipper CANbus firmware with katapult over CANbus

  • Get the Fly-Super8Pro H723 UUID buy running the following script. 
     ~/katapult/scripts/flash_can.py -i can0 -q
  • If CAN devices are detected the above command will return the following. 
    Detected uuid: 8248a4b16ede, Application: katapult
    Flash Can Query
    Flash Can Query

  • Each device will have a unique uuid. In the above example, 8248a4b16ede is the micro-controller’s canbus uuid.

  • Save the UUID for the next step and for using in your printer.cfg file.

  • Flash the klipper FW to the Fly-Super8Pro H723 by running the following command. 
    python3 ~/katapult/scripts/flash_can.py -i can0 -f ~/klipper/out/klipper.bin -u {paste your UUID here}

    Example

    python3 ~/katapult/scripts/flash_can.py -i can0 -f ~/klipper/out/klipper.bin -u 8248a4b16ede
  • You should get a download progress bar and File downloaded successfuly when the burning is complete.
    Burn Klipper firmware over CAN bus
    Burn Klipper firmware over CAN bus
  • Your Fly-Super8Pro H723 should now have klipper firmware loaded and be ready to use.
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