diskio.h
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1 /*
2  * Copyright 2010 ChaN
3  * Copyright 2016 INRIA
4  *
5  * This file is subject to the terms and conditions of the GNU Lesser
6  * General Public License v2.1. See the file LICENSE in the top level
7  * directory for more details.
8  */
9 
22 #ifndef DISKIO_H
23 #define DISKIO_H
24 
25 #include <stdint.h>
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 /* These functions are defined in asmfunc.S */
32 
40 void copy_al2un(unsigned char *dst, const unsigned long *src, int count);
41 
49 void copy_un2al(unsigned long *dst, const unsigned char *src, int count);
50 
51 
53 typedef enum {
60 
65 typedef enum {
69 } diskio_sta_t;
81 #define CTRL_SYNC 0
82 #define GET_SECTOR_COUNT 1
83 #define GET_SECTOR_SIZE 2
84 #define GET_BLOCK_SIZE 3
85 #define CTRL_ERASE_SECTOR 4
92 #define CTRL_POWER 5
93 #define CTRL_LOCK 6
94 #define CTRL_EJECT 7
101 #define MMC_GET_TYPE 10
102 #define MMC_GET_CSD 11
103 #define MMC_GET_CID 12
104 #define MMC_GET_OCR 13
105 #define MMC_GET_SDSTAT 14
117 diskio_sta_t mci_initialize(void);
118 
126 
137 diskio_result_t mci_read(unsigned char *buff, unsigned long sector, unsigned char count);
138 
148 diskio_result_t mci_write(const unsigned char *buff, unsigned long sector, unsigned char count);
149 
159 diskio_result_t mci_ioctl(unsigned char ctrl, void *buff);
160 
161 #ifdef __cplusplus
162 }
163 #endif
164 
166 #endif /* DISKIO_H */
diskio_sta_t mci_status(void)
Get the status of the media control interface (MCI)
void copy_al2un(unsigned char *dst, const unsigned long *src, int count)
Copy aligned to unaligned.
diskio_result_t
Results of Disk Functions.
Definition: diskio.h:53
3: Not Ready
Definition: diskio.h:57
Write protected.
Definition: diskio.h:68
void copy_un2al(unsigned long *dst, const unsigned char *src, int count)
Copy unaligned to aligned.
Drive not initialized.
Definition: diskio.h:66
4: Invalid Parameter
Definition: diskio.h:58
diskio_result_t mci_read(unsigned char *buff, unsigned long sector, unsigned char count)
Read sectors over the media control interface (MCI)
diskio_result_t mci_ioctl(unsigned char ctrl, void *buff)
IOCTL functions for the media control interface (MCI)
2: Write Protected
Definition: diskio.h:56
0: Successful
Definition: diskio.h:54
No medium in the drive.
Definition: diskio.h:67
diskio_sta_t
Definition: diskio.h:65
diskio_result_t mci_write(const unsigned char *buff, unsigned long sector, unsigned char count)
Write sectors over the media control interface (MCI)
1: R/W Error
Definition: diskio.h:55