Same functionality as previous commit. But way more stable and clean.
Previous proof of concept approach had issues with random partial or
too large messages due to time based method
Rework send and receive functions to work more stable
- send: encode data with frame (start, end byte)
- receive: read each byte one after the other, assemble message,
handle actual data in handle function
- add semaphore to write operation to prevent parallel write of
different data when called from other tasks
- outsoruce common files and separate common types from source files (new
common/types.hpp)
- split source files to 2 board folders (relevant only, no duplicate)
- currently boards compile successfull but not functional at all
- comment out currently incompatible code
board_control currently sends a scruct with incrementing values
board_motorctl receives the struct and logs it
also test code for sending, receiving and returning single value
