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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
/* This is a stub disk I/O module that acts as front end of the existing */
/* disk I/O modules and attach it to FatFs module with common interface. */
/*-----------------------------------------------------------------------*/
#include "diskio.h"
/*-----------------------------------------------------------------------*/
/* Initialize a Drive */
DSTATUS disk_initialize (
BYTE drv /* Physical drive number (0..) */
)
{
return FR_OK;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
DSTATUS disk_status (
BYTE drv /* Physical drive number (0..) */
)
{
return FR_OK;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
DRESULT disk_read (
BYTE drv, /* Physical drive number (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
DataflashManager_ReadBlocks_RAM(sector, count, buff);
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive number (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
DataflashManager_WriteBlocks_RAM(sector, count, buff);
return RES_OK;
}
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
DRESULT disk_ioctl (
BYTE drv, /* Physical drive number (0..) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
if (ctrl == CTRL_SYNC)
return RES_OK;
else
return RES_PARERR;
}
DWORD get_fattime (void)
{
TimeDate_t CurrTimeDate;
DS1307_GetTimeDate(&CurrTimeDate);
return ((DWORD)(20 + CurrTimeDate.Year) << 25) |
((DWORD)CurrTimeDate.Month << 21) |
((DWORD)CurrTimeDate.Day << 16) |
((DWORD)CurrTimeDate.Hour << 11) |
((DWORD)CurrTimeDate.Minute << 5) |
(((DWORD)CurrTimeDate.Second >> 1) << 0);
}
|
