miniOS/include/miniOS/base.h at master · wherego/miniOS

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/**

*************************************************************************

* base.h

* 2016-02-16 by zlq

*------------------------------------------------------------------------

* @berif 定义了一些基础的数据类型

*************************************************************************

#ifndef __BASE_H

#define __BASE_H

#include "stdint.h"

#define OVERFLOW 0x00000001

/**

* 制作FIFO键盘数据缓冲区

* @{

typedef struct{

uint8_t *buf;

int size; /* 缓冲区大小 */

int free_size; /* */

int flags;

int pop_index,push_index;

}Circular_Queue;

/**

* @}

void circular_queue_init(Circular_Queue *queue, int size, uint8_t *buf);

uint8_t circular_queue_pop(Circular_Queue *queue, uint8_t *data);

uint8_t circular_queue_push(Circular_Queue *queue, uint8_t data);

uint8_t is_full(Circular_Queue *queue);

uint8_t is_empty(Circular_Queue *queue);

#endif //!__BASE_H