HariboteOS/day12/include/fifo.h
2021-03-25 23:28:49 +08:00

18 lines
368 B
C

#ifndef _FIFO_H_
#define _FIFO_H_
#define FLAGS_OVERRUN 0x0001
struct FIFO8 {
unsigned char *buf;
int size, free, flags;
int next_r, next_w;
};
void fifo8_init(struct FIFO8 *fifo, int size, unsigned char *buf);
int fifo8_put(struct FIFO8 *fifo, unsigned char data);
int fifo8_get(struct FIFO8 *fifo);
int fifo8_status(struct FIFO8 *fifo);
#endif // _FIFO_H_