[GD32F350/GD32E103] Build VSF-based WebUSB DFU using open source toolchain

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[GD32F350/GD32E103] Build VSF-based WebUSB DFU using open source toolchain [Copy link]

WebUSB DFU is a USB firmware update protocol that can be used through the Chrome browser on systems that support WebUSB, such as Win10, Android, and MacOS.

Build process:

Build in Windows 10

• Install cmake: https://cmake.org/download/
• add cmake.exe in PATH
• Download ninja:
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• copy ninja.exe in cmake.exe folder
• Install GNU Arm Embedded Toolchain: https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads
• add C:SoftwareGNU Tools Arm Embedded9 2020-q2-updatebin in PATH
• git clone
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• enter ./vsf/source/cmake_example/vllink_lite_bootloader/cmake_vllinklite_gd32e103
• cmake -GNinja -S. -Bbuild
• cmake --build ./build
• rm -r -fo ./build

Build in Ubuntu 20.04

• sudo apt install gcc-arm-none-eabi git cmake ninja-build make
• git clone
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• cd ./vsf/source/cmake_example/vllink_lite_bootloader/cmake_vllinklite_gd32e103
• cmake -GNinja -S. -Bbuild
• cmake --build ./build
• rm -rf ./build

Test results:

https://devanlai.github.io/webdfu/dfu-util/

If you use cmake -GNinja -S. -Bbuild -DCMAKE_BUILD_TYPE=Release , the binary file can be less than 10KB, but USB enumeration cannot pass. Due to the inconvenience of debugging, it is not solved. By the way, the firmware optimized by IAR size is less than 8KB.