====== Finite State Machines ======

  * [[https://stackoverflow.com/questions/133214/is-there-a-typical-state-machine-implementation-pattern|Is there a typical state machine implementation pattern?]]
  * [[http://codeandlife.com/2013/10/06/tutorial-state-machines-with-c-callbacks/|Tutorial: State Machines with C Callbacks]]
  * [[http://blog.mbedded.ninja/programming/general/control-methodology/a-function-pointer-based-state-machine|A Function Pointer Based State Machine]]
  * https://www.mikrocontroller.net/articles/Statemachine