Frederic Pillon

Seems the wiki has been modified wile it should not. https://github.com/rogerclarkmelbourne/Arduino_STM32/wiki/Installation/_compare/ec0d552ae0f8a2cb16fa9158cb10b81ce211ef23...6b2e8117fcc3dfd36fb106f761995977d510e808 Old link should be correct and should be restored.

> > > If you add `--specs=nano.specs` to the platform.txt, then you can remove it from boards.txt, I think. No, in platform.txt this is the default value

it is not repeated , it is the value for `build.flags.ldspecs` Depending of the selected menu then `build.flags.ldspecs` is set to the proper value. There is no concatenation, it is...

No for default option this is the one used and avoid to set it in the boards.txt: `discovery_f407.menu.rtlib.nano=Newlib Nano (default)` if you remove the one from platform.txt, then you will...

> ? Well I don't really understand what you would mean, anyway there is several other possibilities, This one is the one I use because it is the default option...

Maybe you could evaluate this: https://github.com/stm32duino/Arduino_Core_STM32/blob/master/cores/arduino/Print.cpp#L223-L228

https://www.arduino.cc/reference/en/language/functions/communication/serial/ifserial/

To have to software trick to be able to switch in the HID bootloader mode you have to select the correct one. In your case it seems you select COM8,...

About the hid_flash segfault, it seems an known issue and PR's have been provided to solve this: #30 and #15.

Hi, Just a quick note, to ensure Serial is well initialized before use them add: `while(!Serial); ` after `Serial.begin();`. See: https://www.arduino.cc/reference/en/language/functions/communication/serial/ifserial/