src/eb_lift/fsm.c

   1 #include "fsm.h"
   2
   3 void init_fsm(struct fsm *fsm, state_fcn initial_state)
   4 {
   5         fsm->current_state = initial_state;
   6         fsm->current_state(fsm, EVENT_ENTRY);
   7 }
   8
   9 void run_fsm(struct fsm *fsm){
  10         fsm->last_state = fsm->current_state;           // set actual state
  11         fsm->current_state(fsm, EVENT_DO);              // change parameter
  12
  13         if(fsm->last_state != fsm->current_state){      // if state was changed
  14                 fsm->last_state(fsm, EVENT_EXIT);       // finish the old state
  15                 fsm->current_state(fsm, EVENT_ENTRY);   // initialize the new state
  16         }
  17 }
  18
  19