Revert to soft reset on RST irq draft

Reduce the sleep time of the send_pending_key thread to 1ms draft

Clean several compilation warnings draft

Fix SHIFT and code cleanup draft

Make USBSerial work -- at last draft

Simplify a bit the rst logic and make a bit more robust draft

Stop splashscreen after 5s draft

(0) -30 -10 -7 tip

mercurial