Subversion Repositories HelenOS-historic

Rev

Rev 1344 | Rev 1560 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1344 Rev 1451
Line 29... Line 29...
29 
#ifndef __KEY_BUFFER_H__
 29 
#ifndef __KEY_BUFFER_H__
30 
#define __KEY_BUFFER_H__
 30 
#define __KEY_BUFFER_H__
31 
 
 31 
 
32 
#include <types.h>
 32 
#include <types.h>
33 
 
 33 
 
- 
 
 34 
#define KEYBUFFER_SIZE 128 /**< Size of buffer for pressed keys */
- 
 
 35 
 
- 
 
 36 
typedef struct {
- 
 
 37 
    char fifo[KEYBUFFER_SIZE];
- 
 
 38 
    unsigned long head;
- 
 
 39 
    unsigned long tail;
- 
 
 40 
    unsigned long items;
- 
 
 41 
} keybuffer_t;
- 
 
 42 
 
34 
void key_buffer_free(void);
 43 
void keybuffer_free(keybuffer_t *keybuffer);
35 
void key_buffer_init(void);
 44 
void keybuffer_init(keybuffer_t *keybuffer);
36 
int key_buffer_available(void);
 45 
int keybuffer_available(keybuffer_t *keybuffer);
37 
int key_buffer_empty(void);
 46 
int keybuffer_empty(keybuffer_t *keybuffer);
38 
void key_buffer_push(char key);
 47 
void keybuffer_push(keybuffer_t *keybuffer, char key);
39 
int key_buffer_pop(char *c);
 48 
int keybuffer_pop(keybuffer_t *keybuffer, char *c);
40 
 
 49 
 
41 
#endif
 50 
#endif
42 
 
 51