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annotate fatfs/diskio.h @ 49:ace431a0d0f5

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Add SDIO code poached from STM. Use FatFS to read from SD card. LFN doesn't work reliably so it's disabled for now.
author Daniel O'Connor <darius@dons.net.au>
date Wed, 03 Apr 2013 23:34:20 +1030
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49
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1 /*-----------------------------------------------------------------------
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2 / Low level disk interface modlue include file (C)ChaN, 2013
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3 /-----------------------------------------------------------------------*/
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4
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5 #ifndef _DISKIO_DEFINED
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6 #define _DISKIO_DEFINED
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7
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8 #ifdef __cplusplus
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9 extern "C" {
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10 #endif
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11
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12 #define _USE_WRITE 1 /* 1: Enable disk_write function */
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13 #define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
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14
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15 #include "integer.h"
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16
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17
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18 /* Status of Disk Functions */
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19 typedef BYTE DSTATUS;
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20
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21 /* Results of Disk Functions */
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22 typedef enum {
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23 RES_OK = 0, /* 0: Successful */
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24 RES_ERROR, /* 1: R/W Error */
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25 RES_WRPRT, /* 2: Write Protected */
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26 RES_NOTRDY, /* 3: Not Ready */
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27 RES_PARERR /* 4: Invalid Parameter */
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28 } DRESULT;
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29
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30
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31 /*---------------------------------------*/
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32 /* Prototypes for disk control functions */
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33
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34
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35 DSTATUS disk_initialize (BYTE pdrv);
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36 DSTATUS disk_status (BYTE pdrv);
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37 DRESULT disk_read (BYTE pdrv, BYTE*buff, DWORD sector, BYTE count);
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38 DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, BYTE count);
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39 DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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41
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42 /* Disk Status Bits (DSTATUS) */
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43 #define STA_NOINIT 0x01 /* Drive not initialized */
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44 #define STA_NODISK 0x02 /* No medium in the drive */
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45 #define STA_PROTECT 0x04 /* Write protected */
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46
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47
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48 /* Command code for disk_ioctrl fucntion */
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49
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50 /* Generic command (used by FatFs) */
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51 #define CTRL_SYNC 0 /* Flush disk cache (for write functions) */
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52 #define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */
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53 #define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
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54 #define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */
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55 #define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */
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56
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57 /* Generic command (not used by FatFs) */
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58 #define CTRL_POWER 5 /* Get/Set power status */
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59 #define CTRL_LOCK 6 /* Lock/Unlock media removal */
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60 #define CTRL_EJECT 7 /* Eject media */
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61 #define CTRL_FORMAT 8 /* Create physical format on the media */
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62
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63 /* MMC/SDC specific ioctl command */
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64 #define MMC_GET_TYPE 10 /* Get card type */
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65 #define MMC_GET_CSD 11 /* Get CSD */
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66 #define MMC_GET_CID 12 /* Get CID */
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67 #define MMC_GET_OCR 13 /* Get OCR */
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68 #define MMC_GET_SDSTAT 14 /* Get SD status */
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69
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70 /* ATA/CF specific ioctl command */
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71 #define ATA_GET_REV 20 /* Get F/W revision */
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72 #define ATA_GET_MODEL 21 /* Get model name */
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73 #define ATA_GET_SN 22 /* Get serial number */
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74
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75
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76 /* MMC card type flags (MMC_GET_TYPE) */
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77 #define CT_MMC 0x01 /* MMC ver 3 */
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78 #define CT_SD1 0x02 /* SD ver 1 */
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79 #define CT_SD2 0x04 /* SD ver 2 */
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80 #define CT_SDC (CT_SD1|CT_SD2) /* SD */
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81 #define CT_BLOCK 0x08 /* Block addressing */
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82
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83
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84 #ifdef __cplusplus
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85 }
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86 #endif
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87
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88 #endif