/* ****************SFIFO.H********
  Jonathan W. Valvano   Feb 26, 1997
  FIFO using semaphores */
#define FifoSize 4
/* Number of elements in the Fifo
     the FIFO is full when it has FifoSize-1 16 bit values */
void InitFifo(void);
void Put(unsigned int);
unsigned int Get(void);