Katapult Firmware

Katapult Firmware Description

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The left button is the RST button, and the right button is the BOOT button.

There are two methods to enter flashing mode.
First method: With the tool board completely powered off, press and hold the BOOT button, then connect a data-capable TYPE-C cable between the mainboard and your device.
Second method: After connecting a data-capable TYPE-C cable between the mainboard and your device, press and hold the BOOT button, then press the RST button, release the RST button, and finally release the BOOT button.
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FLY-Firmware/MainBoard/D

Important Notice

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

Some computer USB ports may have driver or signal compatibility issues, leading to unstable flashing. It is recommended that you try connecting to a different USB port.
If changing ports does not work, an effective solution is to connect via an external USB hub, which often improves compatibility.
When the flashing software reports the error message shown below, also try using a hub first. If the problem persists, please check or use the host computer software for flashing.
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Flashing Tool Download Link
Download 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 cable. Ensure it has entered DFU flashing mode.
In STM32CubeProgrammer, select USB mode, 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 the Browse button indicated by the arrow, then select the firmware you need to flash.
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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 flashing the firmware.
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The prompt below indicates that the firmware flashing is complete.
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FLY host machine does not need to perform this step.
If installation is required, please 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
```

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Only one of the firmwares 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/D/FLY_D7.bin

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

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After flashing is complete, the mainboard needs to be completely powered off once.