fifobuf.h

来自「ucos_ii在mini2440上的移植KEIL编译环境」· C头文件 代码 · 共 20 行

#ifndef _FIFOBUF_H_
#define _FIFOBUF_H_

typedef struct fifobuf_t
{
	int buf_size;					//大小
	int now_size;					//当前大小
	int front;						//头指针
	int rear;						//尾指针
	unsigned char * pdata;					//数据指针
}fifobuf_t;

int fifobuf_init(fifobuf_t * pfifobuf,unsigned char * cdata,int len);
unsigned char fifobuf_datain(fifobuf_t * pfifobuf,unsigned char cdata);
unsigned char fifobuf_dataout(fifobuf_t * pfifobuf);
int fifobuf_isEmpty(fifobuf_t * pfifobuf);
int fifobuf_isFull(fifobuf_t * pfifobuf);

#endif