blob: a2a4d07702eda5477fb42f3395aa7526b99cc230 (
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-17 armink the first version
*/
#ifndef _FAL_DEF_H_
#define _FAL_DEF_H_
#include <rtthread.h>
/* FAL flash and partition device name max length */
#ifndef FAL_DEV_NAME_MAX
#define FAL_DEV_NAME_MAX 24
#endif
#ifndef FAL_DEV_BLK_MAX
#define FAL_DEV_BLK_MAX 6
#endif
struct flash_blk
{
rt_size_t size;
rt_size_t count;
};
struct fal_flash_dev
{
char name[FAL_DEV_NAME_MAX];
/* flash device start address and len */
rt_uint32_t addr;
rt_size_t len;
/* the block size in the flash for erase minimum granularity */
rt_size_t blk_size;
struct
{
int (*init)(void);
int (*read)(long offset, rt_uint8_t *buf, rt_size_t size);
int (*write)(long offset, const rt_uint8_t *buf, rt_size_t size);
int (*erase)(long offset, rt_size_t size);
} ops;
/* write minimum granularity, unit: bit.
1(nor flash)/ 8(stm32f2/f4)/ 32(stm32f1)/ 64(stm32l4)
0 will not take effect. */
rt_size_t write_gran;
struct flash_blk blocks[FAL_DEV_BLK_MAX];
};
typedef struct fal_flash_dev *fal_flash_dev_t;
/**
* FAL partition
*/
struct fal_partition
{
rt_uint32_t magic_word;
/* partition name */
char name[FAL_DEV_NAME_MAX];
/* flash device name for partition */
char flash_name[FAL_DEV_NAME_MAX];
/* partition offset address on flash device */
long offset;
rt_size_t len;
rt_uint32_t reserved;
};
typedef struct fal_partition *fal_partition_t;
#endif /* _FAL_DEF_H_ */
|
