Katapult firmware

tip

• Note that katapult has already been pre-flashed, no need to flash again

Enter programming mode

tip

The circled button is the BOOT button

• To enter programming mode, the mainboard must be completely powered off. Press the BOOT button and connect one end of a data cable to the mainboard and the other end to your device
  

Flashing the firmware

Windows flashing tutorial

• Micro4 Katapult firmware 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 computer flashing 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. Flashing the firmware

tip

Only one of the firmwares needs to be flashed

• Below are the firmware flashing commands

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

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

   

tip

After flashing, the mainboard must be completely powered off once.