Katapult firmware

tip

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

Enter programming mode

tip

The circled one 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 with data transfer to the mainboard and the other end to your device
  

Programming the firmware

Windows programming tutorial

• Katapult firmware for Micro4
  • Baidu Netdisk:Baidu Netdisk download link
  • GOOGLE Netdisk:GOOGLE Netdisk

• 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 programming tutorial

1. Install the flashing tool

   • Enter the following command in SSH
   • Only need to execute it for the first flash, no need to execute again later

   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, try re-entering flash mode

   • Due to system version issues, it may display other names. If 2e8a:0003 is present, it means the flash mode has been entered

     
   Notes

   Proceed to the next step only when 2e8a:0003 is present

3. Pull the pre-compiled firmware

   • All are pre-compiled firmware here
   • Please note that the host computer needs to be online to install
   • The host computer needs to execute the following command to download the firmware package

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

   • It is recommended to update the firmware package if you have already downloaded it before proceeding with the remaining operations

   cd ~/FLY_Katapult && git pull

4. Program the firmware

tip

Only one of the firmwares needs to be programmed

• Below are the firmware programming commands

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

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

   

tip

After programming, the mainboard needs to be completely powered off once.