fifo.c File Reference

FIFO implementation. More...

#include "fifo.h"
#include "rtc.h"

Functions
void	fifo_init (fifo_t *f, fifo_item_t *buffer, fifo_size_t size)
	initialize FIFO state
fifo_item_t	fifo_get_item (fifo_t *f)
	get from FIFO
void	fifo_put_item (fifo_t *f, fifo_item_t c)
	put into FIFO

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Detailed Description

FIFO implementation.

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Function Documentation

void fifo_init	(	fifo_t *	fifo,
		fifo_item_t *	buffer,
		fifo_size_t	size
	)

initialize FIFO state

Parameters:

	fifo	pointer to state structure to initialize
	buffer	pointer to buffer to use
	size	size of buffer (in fifo_item_t units)

{
  f->buffer = buffer;
  f->size = size;
  f->head = 0;
  f->tail = 0;
  f->num_items = 0;
  f->overflow = 0;
  f->underflow = 0;
}