Katapult Firmware

Tip

• Please note that katapult is pre-flashed from the factory, no need to re-flash.

Entering Flash Mode

Tip

The circled area is the BOOT button

• To enter flash mode, disconnect the mainboard from power completely, press and hold the BOOT button, then connect one end of a data cable to the mainboard and the other end to your device.
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Flashing Firmware

• Windows Flashing Tutorial
• Host Machine Flashing Tutorial

• Micro4 Katapult Firmware
• You can obtain the firmware via the following links:

• Download Firmware Package - Direct download of the latest firmware archive
• Repository Address - Visit the firmware repository

• The firmware is located at

FLY-Firmware/MainBoard/Mico/

• Prepare a data cable with data transfer functionality
• Download the firmware to the computer
• Connect the BOOT jumper, or press and hold the BOOT button before connecting to the computer. The RPI-RP2 disk will then appear
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• Remove the BOOT jumper or release the button!!!
• Copy the firmware to be flashed into it. Please note that only firmware with the UF2 extension can be used!!! (Do not modify the file extension, as this is ineffective)
• Reference
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• After the firmware is copied in, the RPI-RP2 disk will automatically disappear, indicating the firmware flashing is complete!

1. Install the flashing tool

   • Enter the following command in SSH
   • This only needs to be executed for the first flashing; no need to run it again 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, try re-entering flashing mode

   • Due to system version issues, it may display a different name. If 2e8a:0003 appears, it means flashing mode has been entered

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   Notes

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

3. Pull the precompiled firmware

   • These are all precompiled firmware files
   • Please note that the host machine needs internet access to install
   • The host machine needs to execute the following command to download the firmware package

   cd && git clone https://cnb.cool/3dmellow/FLY-Firmware.git

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

   cd ~/FLY-Firmware && git pull

4. Flashing Firmware

Tip

Only one firmware needs to be flashed

• Below is the firmware flashing command

  sudo ~/klipper/lib/rp2040_flash/rp2040_flash ~/FLY-Firmware/MainBoard/Mico/Mico_Katapult_USB.uf2

5. The following prompt indicates successful flashing

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Tip

After flashing, completely power off the mainboard once.