1
/*-----------------------------------------------------------------------*/
2
/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2016        */
3
/*-----------------------------------------------------------------------*/
4
/* If a working storage control module is available, it should be        */
5
/* attached to the FatFs via a glue function rather than modifying it.   */
6
/* This is an example of glue functions to attach various exsisting      */
7
/* storage control modules to the FatFs module with a defined API.       */
8
/*-----------------------------------------------------------------------*/
9

10
#include <string.h>
11

12
#include <bdk.h>
13

14
#include <libs/fatfs/diskio.h>	/* FatFs lower layer API */
15

16
/*-----------------------------------------------------------------------*/
17
/* Get Drive Status                                                      */
18
/*-----------------------------------------------------------------------*/
19
DSTATUS disk_status (
20
	BYTE pdrv		/* Physical drive nmuber to identify the drive */
21
)
22
{
23
	return 0;
24
}
25

26
/*-----------------------------------------------------------------------*/
27
/* Inidialize a Drive                                                    */
28
/*-----------------------------------------------------------------------*/
29
DSTATUS disk_initialize (
30
	BYTE pdrv				/* Physical drive nmuber to identify the drive */
31
)
32
{
33
	return 0;
34
}
35

36
/*-----------------------------------------------------------------------*/
37
/* Read Sector(s)                                                        */
38
/*-----------------------------------------------------------------------*/
39
DRESULT disk_read (
40
	BYTE pdrv,		/* Physical drive nmuber to identify the drive */
41
	BYTE *buff,		/* Data buffer to store read data */
42
	DWORD sector,	/* Start sector in LBA */
43
	UINT count		/* Number of sectors to read */
44
)
45
{
46
	return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
47
}
48

49
/*-----------------------------------------------------------------------*/
50
/* Write Sector(s)                                                       */
51
/*-----------------------------------------------------------------------*/
52
DRESULT disk_write (
53
	BYTE pdrv,			/* Physical drive nmuber to identify the drive */
54
	const BYTE *buff,	/* Data to be written */
55
	DWORD sector,		/* Start sector in LBA */
56
	UINT count			/* Number of sectors to write */
57
)
58
{
59
	return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
60
}
61

62
/*-----------------------------------------------------------------------*/
63
/* Miscellaneous Functions                                               */
64
/*-----------------------------------------------------------------------*/
65
DRESULT disk_ioctl (
66
	BYTE pdrv,		/* Physical drive nmuber (0..) */
67
	BYTE cmd,		/* Control code */
68
	void *buff		/* Buffer to send/receive control data */
69
)
70
{
71
	return RES_OK;
72
}
73

74