typedef enum {
  WD_DISABLE_bm = 0,
  WD_1SEC_bm  = ((1<<WDP2) | (1<<WDP1)),
  WD_2SEC_bm  = ((1<<WDP2) | (1<<WDP1) | (1<<WDP0)),
#ifndef WDP3
  WD_PERIOD_bm  = ((1<<WDP2) | (1<<WDP1) | (1<<WDP0))
#else
  WD_4SEC_bm    =  (1 << WDP3),
  WD_8SEC_bm    = ((1<<WDP3) | (1<<WDP0)),
  WD_PERIOD_bm  = ((1<<WDP3) | (1<<WDP2) | (1<<WDP1) | (1<<WDP0))
#endif
 }Ewd_modes;