Katapult Firmware

Katapult Firmware Instructions

Tip

• SB2040_PRO_V3 Supports CAN and RS232
• Only CAN firmware is provided here, with 500K and 1M rates available

Entering Flash Mode

Tip

The RESET button is on the left, and the BOOT button is on the right

• There are two ways to enter flash mode
• The first: With the motherboard completely powered off, press and hold the BOOT button, then connect one end of a TYPE-C cable with data transfer capability to the motherboard and the other end to your device
• The second: After connecting one end of a TYPE-C cable with data transfer capability to the motherboard and the other end to your device, press and hold the BOOT button, then press the RST button, then release the RST button, and finally release the BOOT button

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Flashing Firmware

• WIN Flashing
• LINUX/FLYOS Flashing

• SB2040 PRO V3 Katapult firmware
• You can obtain the firmware via the following link:

• FLY_SB2040PROV3_CANBOOT_CAN_500K.uf2
• FLY_SB2040PROV3_CANBOOT_CAN_1M.uf2

Windows 默认可能隐藏文件扩展名。下载后请确认文件扩展名未被修改，不要保存成 .txt 或其他扩展名。

• The firmware is located at

FLY-Firmware/ToolBoard/SB2040

• STM32CubeProgrammer
• DFU-AUTO

• Prepare a data cable with data transmission functionality
• Download the firmware to the computer
• Connect the BOOT jumper, or press and hold the BOOT button while connecting to the computer, then the RPI-RP2 disk will 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 file extension can be used!!! (Do not modify the file extension; it is ineffective)
• Reference
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• After copying the firmware, the RPI-RP2 disk will disappear automatically, indicating that the firmware flashing is complete!

1. Download and run FLY DFU-AUTO
2. If the Driver Status is unavailable, click Install Driver to complete the WinUSB driver installation
3. Click Browse... and select the .bin firmware file to be flashed
4. Click Start Flashing, view the flashing progress via the Running Log below, and wait for the flashing to complete

Detailed Tutorial: FLY DFU-AUTO Download and Usage

• Linux
• FLYOS

1. Install flashing tool.

   sudo apt update
   sudo apt install dfu-util -y

2. Confirm the device has entered DFU flashing mode.

   lsusb

   If you can see 0483:df11, it means DFU flashing mode has been entered successfully.

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3. Pull/update firmware repository.

   git clone https://cnb.cool/3dmellow/FLY-Firmware ~/FLY-Firmware
   cd ~/FLY-Firmware && git pull --ff-only

4. Flash firmware.

   sudo dfu-util -a 0 -d 0483:df11 --dfuse-address 0x08000000 -D ~/FLY-Firmware/ToolBoard/SB2040/FLY_SB2040V3_CANBOOT_CAN_500K.uf2

5. If File downloaded successfully appears, flashing is successful.
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1. FLY host computer usually has dfu-util built-in, no need to install flashing tool again.
2. Confirm the device has entered DFU flashing mode.

   lsusb

   If you can see 0483:df11, it means DFU flashing mode has been entered successfully.

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3. Pull/update firmware repository.

   git clone https://cnb.cool/3dmellow/FLY-Firmware /data/FLY-Firmware
   ln -s /data/FLY-Firmware /root/FLY-Firmware
   cd /data/FLY-Firmware && git pull --ff-only

4. Flash firmware.

   sudo dfu-util -a 0 -d 0483:df11 --dfuse-address 0x08000000 -D /data/FLY-Firmware/ToolBoard/SB2040/FLY_SB2040V3_CANBOOT_CAN_500K.uf2

5. If File downloaded successfully appears, flashing is successful.
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Verifying Firmware Startup

• If the firmware starts up normally, the LED will blink
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