blob: bd756e7278c7a30ce07a32ed6c366c9439b7f492 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#ifndef _SLAVE_LOG_BUF_H_
#define _SLAVE_LOG_BUF_H_
#include <linux/firmware.h>
#include "core.h"
#include "ecrnx_debug.h"
#ifndef uint32_t
#define uint32_t unsigned int
#endif
#define is_power_of_2(x) ((x) != 0 && (((x) & ((x) - 1)) == 0))
//#define min(a, b) (((a) < (b)) ? (a) : (b))
struct ring_buffer
{
void *buffer;
uint32_t size;
uint32_t write_point;
uint32_t read_point;
char cover;
char show;
char init;
spinlock_t *f_lock;
};
uint32_t ring_buffer_get(struct ring_buffer *ring_buf, void *buffer, uint32_t size);
uint32_t ring_buffer_put(struct ring_buffer *ring_buf, void *buffer, uint32_t size);
uint32_t ring_buffer_init(struct ring_buffer* ring_buf, uint32_t size);
void ring_buffer_deinit(struct ring_buffer *ring_buf);
uint32_t ring_buffer_scrolling_display(struct ring_buffer *ring_buf, char show);
uint32_t ring_buffer_len(const struct ring_buffer *ring_buf);
#endif
|
