Remove internationalization macro for this message. It has no sense to be translated as internationalization in most cases doesn't work if it is not responding.
Show this message instead of splash screen if the error is encountered.
There is no additional delay or wait for click, as such functions doesn't work in setup function.
modified to update the external flash memory on Einsy boards.
Due to a bug in the USB to serial converter firmware on the Prusa Einsy
boards, the STK500 protocol has been modified to never send semicolon
characters towards the main processor.
This firmware updater is compatible with a modified avrdude using
the "arduino" protocol, see the following commit.
https://github.com/prusa3d/Slic3r/tree/fwupdater_languages
