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122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/*-----------------------------------------------------------------------
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/ Low level disk interface modlue include file (C)ChaN, 2010
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/-----------------------------------------------------------------------*/
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/**
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* @defgroup diskio Disk IO Driver
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* @ingroup drivers
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* @brief Low level disk interface
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*
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* The connection between the MCU and the SRF08 is based on the i2c-interface.
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*
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* @{
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*
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* @file diskio.h
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*
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* @author unknown
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*/
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#ifndef DEF_DISKIO
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#define DEF_DISKIO
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#include <stdint.h>
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#define DN_MCI 0 /* Physical drive number for MCI */
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#define DN_NAND 1 /* Physical drive number for NAND flash */
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/**
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* @def MCI_PWRSAVE
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* @ingroup conf
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* @brief Powerdown mode to use between mci operations
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*/
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#ifndef MCI_PWRSAVE
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#define MCI_PWRSAVE 0
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#endif
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/* These functions are defined in asmfunc.S */
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void Copy_al2un(unsigned char *dst, const unsigned long *src, int count); /* Copy aligned to unaligned. */
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void Copy_un2al(unsigned long *dst, const unsigned char *src, int count); /* Copy unaligned to aligned. */
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/* Status of Disk Functions */
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typedef unsigned char DSTATUS;
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/* Results of Disk Functions */
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typedef enum {
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RES_OK = 0, /* 0: Successful */
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RES_ERROR, /* 1: R/W Error */
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RES_WRPRT, /* 2: Write Protected */
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RES_NOTRDY, /* 3: Not Ready */
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RES_PARERR /* 4: Invalid Parameter */
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} DRESULT;
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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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DSTATUS disk_initialize(unsigned char);
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DSTATUS disk_status(unsigned char);
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DRESULT disk_read(unsigned char, unsigned char *, unsigned long, unsigned char);
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DRESULT disk_write(unsigned char, const unsigned char *, unsigned long, unsigned char);
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DRESULT disk_ioctl(unsigned char, unsigned char, void *);
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/* Disk Status Bits (DSTATUS) */
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#define STA_NOINIT 0x01 /* Drive not initialized */
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#define STA_NODISK 0x02 /* No medium in the drive */
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#define STA_PROTECT 0x04 /* Write protected */
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/* Command code for disk_ioctrl fucntion */
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/* Generic ioctl command (defined for FatFs) */
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#define CTRL_SYNC 0 /* Flush disk cache (for write functions) */
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#define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */
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#define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
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#define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */
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#define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */
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/* Generic ioctl command */
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#define CTRL_POWER 5 /* Get/Set power status */
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#define CTRL_LOCK 6 /* Lock/Unlock media removal */
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#define CTRL_EJECT 7 /* Eject media */
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/* MMC/SDC specific ioctl command */
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#define MMC_GET_TYPE 10 /* Get card type */
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#define MMC_GET_CSD 11 /* Get CSD */
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#define MMC_GET_CID 12 /* Get CID */
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#define MMC_GET_OCR 13 /* Get OCR */
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#define MMC_GET_SDSTAT 14 /* Get SD status */
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/* ATA/CF specific ioctl command */
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#define ATA_GET_REV 20 /* Get F/W revision */
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#define ATA_GET_MODEL 21 /* Get model name */
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#define ATA_GET_SN 22 /* Get serial number */
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/* NAND specific ioctl command */
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#define NAND_FORMAT 30 /* Create physical format */
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/*---------------------------------------------*/
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/* Prototypes for each physical disk functions */
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DSTATUS NAND_initialize(void);
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DSTATUS NAND_status(void);
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DRESULT NAND_read(unsigned char *, unsigned long, unsigned char);
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DRESULT NAND_write(const unsigned char *, unsigned long, unsigned char);
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DRESULT NAND_ioctl(unsigned char, void *);
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DSTATUS MCI_initialize(void);
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DSTATUS MCI_status(void);
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DRESULT MCI_read(unsigned char *, unsigned long, unsigned char);
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DRESULT MCI_write(const unsigned char *, unsigned long, unsigned char);
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DRESULT MCI_ioctl(unsigned char, void *);
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void MCI_timerproc(void);
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/** @} */
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#endif
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