Method available

libraries/PinInGroup/PinInGroup.h:47–47

check how many "slots" are available

  uint8_t   getMaxSize() { return PININGROUP_MAXSIZE; };
  //  check how many "slots" are available
  uint8_t   available()  { return PININGROUP_MAXSIZE - _size; };


  //  read up to 16 pins "simultaneously" in one call.