usb bootloader

[dieter 123]

Hi

(All?) my nucleo board(s) is/are detected as a USB device in windows. I can drag and drop a firmware binary on them. And the Firmware is automatically updated after power cycling the board.

I want to design my own board and use the USB to update the firmware via windows and USB.

Where will I find the source code for this feature?

Br

[Tesla DeLorean]

That's an mBed function within the ST-LINK's firmware

For STM32 USB update look at DFU examples, or use the built in boot-loader

[dieter 123]

what is the "built in bootloader"? Do you have a link?

[Tesla DeLorean]

https://www.st.com/content/ccc/resource/technical/document/application_note/b9/9b/16/3a/12/1e/40/0c/CD00167594.pdf/files/CD00167594.pdf/jcr:content/translations/en.CD00167594.pdf