* Logging from IRQ and hard fault handler
* *logging from assert
* assert instead of while(1) in hard fault handler
* added log in _exit(); + no abort instead of assert in hardfaulthandler
* disable scheduler in _exit()
BlueKitchen requests from data, which doesn't mean it knows amount
need - need to provide handling to buffer in Uart handler - than
copy form handler on request, then sent notification when ready