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BL Firmware

tip
  • Please note that the bootloader has been pre-flashed at the factory and does not need to be re-flashed.

Entering Programming Mode​

  • There are two methods to enter programming mode
  • First method: Under completely power-off condition of the motherboard, long press BOOT and connect one end of the data transfer cable to the motherboard and the other end to your device, suitable for WINDOWS
  • Second method: After connecting one end of the data transfer cable to the motherboard and the other end to your device, long press BOOT and input the command, suitable for host machine

Flashing Firmware​

  • The bootloader firmware for C8 click to automatically download firmware

  • Set DIP switches 3 and 4 to the right to connect the lower-level device with the upper-level device via built-in USB

  • Set DIP switches 1 and 2 to the left, otherwise it will affect the connection between the lower-level device and the upper-level device

Notice
  • System compatibility issues, please use the computer's USB2.0 for burning
  • If it still cannot be burned, please use the host machine for burning
  1. Burning tool Download link
  2. Need to download SetupSTM32CubeProgrammer and STM32 DFU driver
  3. Copy the firmware (klipper.bin) compiled in front or the precompiled Katapult firmware to any directory on the computer
  4. Use a Type-C data cable to connect the motherboard to the computer, make sure it is already:Enter DFU burning mode
  5. In STM32CubeProgrammer, select USB mode, refresh, and connect
  6. If no error pop-up appears, then the connection is successful.
    Warning

    If the content shown below appears, it indicates a problem with the computer or software, please use the host machine for burning:Host machine burning tutorial

  7. Click the download icon on the left and select several options below
  8. Click the Browse button indicated by the arrow, then select the firmware you need to burn
  9. Select Start address and enter 0x08000000
  10. Click Start automatic mode below to start burning the firmware
  11. The prompt below indicates that the firmware burning is complete