BL Firmware

Tip

Please note that the bootloader is pre-flashed at the factory and does not need to be re-flashed.

Entering Flash Mode

There are two methods to enter flash mode.
First Method: With the tool board completely powered off, short the BOOT button, then connect a data-capable TYPE-C cable from the mainboard to your device.
Second Method: After connecting a data-capable TYPE-C cable from the mainboard to your device, short the BOOT button, then press the RST button. Release the RST button first, then release the BOOT button.
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FLY-Firmware/MainBoard/SUPER

Important Notice

To ensure successful STM32 programming, please pay attention to the following:

Some computer USB ports may experience unstable programming due to driver or signal compatibility issues. It is recommended to try connecting to a different USB port.
If changing ports does not resolve the issue, an effective solution is to connect via an external USB hub, which often improves compatibility.
If the programming software reports the error shown below, also prioritize trying a USB hub. If the problem persists, please check or use the host computer for programming.
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Programming Tool Download Link
Download both SetupSTM32CubeProgrammer and the STM32 DFU Driver.
Download the firmware to any directory on your computer.
Connect the mainboard to the computer using a Type-C data cable. Ensure the board is in DFU programming mode.
In STM32CubeProgrammer, select USB mode, then refresh and connect.
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If no error pop-up appears, the connection is successful.
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Click the download icon on the left and select the options shown below.
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Click Browse as indicated by the arrow, then select the firmware you need to program.
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For Start address, enter 0x08000000.
- Note: If the firmware is in HEX format, please skip this step!!
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Click Start automatic mode below to begin programming the firmware.
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The prompt below indicates that the firmware programming is complete.
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FLY host machine does not need to perform this step.
If installation is required, ensure the host machine is connected to the internet.
If the flashing tool has already been installed, you can skip this step.

sudo apt update
sudo apt install dfu-util -y

Execute the following command to confirm whether the device is successfully connected:

lsusb

If the DFU device is not recognized, try re-entering flashing mode.
On some system versions, the device name may vary; as long as 0483:df11 appears, it indicates successful entry into flashing mode.

The following are precompiled firmware files. Please select the corresponding command to download based on your system type (ensure the host machine can access the internet).

For regular systems, use:

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

For FLY host machines, use:

git clone https://cnb.cool/3dmellow/FLY-Firmware.git /data/FLY-Firmware
ln -s /data/FLY-Firmware /root/FLY-Firmware

If the firmware package has already been downloaded, it is recommended to update to the latest version before proceeding:
```
cd ~/FLY-Firmware && git pull
```

The previous repository is no longer maintained. If deletion is required, execute:
```
rm -rf ~/FLY_Katapult && /root/FLY_Katapult
```

Tip

Only one of the firmware files needs to be flashed.

The firmware flashing command is below:

sudo dfu-util -a 0 -d 0483:df11 --dfuse-address 0x08000000 -D ~/FLY-Firmware/MainBoard/SUPER/SUPER8PRO.bin

If the content shown by the arrow in the image below appears, File downloaded successfully, the flashing was successful.

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Tip

After flashing is complete, you need to completely power off the mainboard once.