+ Pill related UART commands + Pill can be read and write + Application checks the pill

* Cmd_uart files added

- Deleted a lot of OS HAL files

+ application.cpp * debug uart switched to cmd_uart in special file + uart cmd interface + Ping, GetID, SetID + Pill added, not implemented

+ Beeper

+ LED blinks sequences

+ LED RGB: smoothly changes intencity

Prints freqs

Dir structure changed

* Clocking renamed