HariboteOS/day27/include/fifo.h
2021-05-29 23:13:17 +08:00

34 lines
784 B
C

#ifndef _FIFO_H_
#define _FIFO_H_
// #include "task.h"
#define FLAGS_OVERRUN 0x0001
struct FIFO8 {
unsigned char *buf;
int size, free, flags;
int next_r, next_w;
};
struct FIFO32 {
int *buf;
int size, free, flags;
int next_r, next_w;
// struct Task *task;
void *task;
};
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);
// void fifo32_init(struct FIFO32 *fifo, int size, int *buf, struct Task *task);
void fifo32_init(struct FIFO32 *fifo, int size, int *buf, void *task);
int fifo32_put(struct FIFO32 *fifo, int data);
int fifo32_get(struct FIFO32 *fifo);
int fifo32_status(struct FIFO32 *fifo);
#endif // _FIFO_H_