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
|
#ifndef __MMC_API_H__
#define __MMC_API_H__
/* Error codes */
enum mmc_result_t {
MMC_NO_RESPONSE = -1,
MMC_NO_ERROR = 0,
MMC_ERROR_OUT_OF_RANGE,
MMC_ERROR_ADDRESS,
MMC_ERROR_BLOCK_LEN,
MMC_ERROR_ERASE_SEQ,
MMC_ERROR_ERASE_PARAM,
MMC_ERROR_WP_VIOLATION,
MMC_ERROR_CARD_IS_LOCKED,
MMC_ERROR_LOCK_UNLOCK_FAILED,
MMC_ERROR_COM_CRC,
MMC_ERROR_ILLEGAL_COMMAND,
MMC_ERROR_CARD_ECC_FAILED,
MMC_ERROR_CC,
MMC_ERROR_GENERAL,
MMC_ERROR_UNDERRUN,
MMC_ERROR_OVERRUN,
MMC_ERROR_CID_CSD_OVERWRITE,
MMC_ERROR_STATE_MISMATCH,
MMC_ERROR_HEADER_MISMATCH,
MMC_ERROR_TIMEOUT,
MMC_ERROR_CRC,
MMC_ERROR_DRIVER_FAILURE,
};
/* Get card's sectors*/
extern unsigned int MMC_GetSize(void);
/* initialize MMC/SD card */
extern int MMC_Initialize(void);
/* read a single block from MMC/SD card */
extern int MMC_ReadBlock(unsigned int blockaddr, unsigned char *recbuf);
/* read multi blocks from MMC/SD card */
extern int MMC_ReadMultiBlock(unsigned int blockaddr, unsigned int blocknum, unsigned char *recbuf);
/* write a block to MMC/SD card */
extern int MMC_WriteBlock(unsigned int blockaddr, unsigned char *recbuf);
/* write multi blocks to MMC/SD card */
extern int MMC_WriteMultiBlock(unsigned int blockaddr, unsigned int blocknum, unsigned char *recbuf);
/* detect MMC/SD card */
extern int MMC_DetectStatus(void);
#endif /* __MMC_API_H__ */
|