Katapult Firmware

tip

• Please note that the katapult has already been pre-flashed at the factory and does not need to be flashed again.

Enter Programming Mode

tip

The circled button is the BOOT button.

• To enter programming mode, you need to press and hold the BOOT button while the main board is completely powered off, and then connect the data transfer cable to both the main board and your device.
  

Flash Firmware

Windows Flash Tutorial

• Katapult firmware for Micro4 Click to automatically download the firmware

• Prepare a data cable with data transfer capabilities.
• Download the firmware to the computer.
• Connect the BOOT jumper or hold it and connect it to the computer, at this point the RPI-RP2 disk will appear.
• Remove the BOOT jumper or release the button!!!
• Copy the firmware that needs to be burned into it, please note that only UF2 suffix firmware can be used!!! (Do not modify the suffix name, it is useless.)
• Refer to
• After copying the firmware into the RPI-RP2 disk, it will automatically disappear, indicating that the firmware burning is complete!

Host Machine Flash Tutorial

1. Install the burning tool

   • Enter the following command in SSH
   • Only execute this the first time you burn, no need to execute it afterwards

   cd ~/klipper/lib/rp2040_flash/ && make

   

2. Execute the following command to check if the connection is successful.

   • Enter lsusb

   • If there is no 2e8a:0003 device, please try to re-enter burning mode

   • Due to system version issues, it may show other names. If there is 2e8a:0003, it indicates that the burning mode has been entered.

     
   Notice

   Proceed to the next step only if there is a 2e8a:0003

3. Pull the pre-compiled firmware

   • These are all pre-compiled firmwares
   • Please note that the host machine needs to be able to access the internet to install
   • The host machine needs to execute the following command to download the firmware package

   cd && git clone https://github.com/FengHua741/FLY_Katapult.git

   • If the firmware package has already been downloaded, it is recommended to update the firmware package before proceeding with the remaining operations

   cd ~/FLY_Katapult && git pull

4. Flash Firmware

tip

Only one firmware needs to be flashed.

• Below is the firmware flashing command:

  sudo ~/klipper/lib/rp2040_flash/rp2040_flash ~/FLY_Katapult/BL/Mico/Mico_Katapult_USB.uf2

5. If the prompt below appears, the flashing is successful.

   

tip

After flashing, the main board needs to be completely powered off once.