key_buffer.h

来自「sparc硬件平台上的键盘驱动」· C头文件 代码 · 共 20 行

#ifndef KEY_BUFFER_H
#define KEY_BUFFER_H

#include "../../public/pub_emmi.h"

#define GET_OVER_TIME 0xFFFF /*FIXME: 获取扫描码的超时返回值,这个超时值待定 */

typedef struct _KeyBuffer KeyBuffer;

extern KeyBuffer *key_buffer_new(void);
extern void key_buffer_destroy(KeyBuffer *key_buffer); /*FIXME: 函数有没有存在的必要？ */
extern void key_buffer_clear(KeyBuffer *key_buffer);
extern D_BOOL key_buffer_is_empty(KeyBuffer *key_buffer);
extern D_BOOL key_buffer_is_empty_unlock(KeyBuffer *key_buffer);
extern void key_buffer_put(KeyBuffer *key_buffer, char ch);
extern D_INT16 key_buffer_get(KeyBuffer *key_buffer, D_INT8 timeout);

#endif