Matthias
373a8c32b2
git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@55 9fe90eed-be63-e94b-8204-d34ff4c2ff93
173 lines
6.9 KiB
C
173 lines
6.9 KiB
C
/* ---------------------------------------------------------------------------
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* diskio.h (C)ChaN, 2007
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* ---------------------------------------------------------------------------
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* Micro-key bv
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* Industrieweg 28, 9804 TG Noordhorn
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* Postbus 92, 9800 AB Zuidhorn
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* The Netherlands
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* Tel: +31 594 503020
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* Fax: +31 594 505825
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* Email: support@microkey.nl
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* Web: www.microkey.nl
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* ---------------------------------------------------------------------------
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* Description: Low level disk interface modlue include file R0.06
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* ---------------------------------------------------------------------------
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* Version(s): 0.2, Aug 11, 2008, MMi
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* Edited to fit into LAN_2636 Project
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* Change disk_write and disk_read functions to work with MMC
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*
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* 0.1, 2007 ChanN
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* Creation
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* ---------------------------------------------------------------------------
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*/
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#ifndef DISKIO_H_
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#define DISKIO_H_
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/* ---------------------------------------------------------------------------
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* System include files.
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* ---------------------------------------------------------------------------
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*/
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#include "LPC23xx.h"
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#include "types.h"
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/* ---------------------------------------------------------------------------
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* Application include files.
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Constant and macro definitions.
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* ---------------------------------------------------------------------------
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*/
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#define _READONLY 0 /* 1: Read-only mode */
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#define _USE_IOCTL 1
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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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/* Generic command */
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#define CTRL_SYNC 0 /* Mandatory for read/write */
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#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
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#define GET_SECTOR_SIZE 2
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#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
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#define CTRL_POWER 4
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#define CTRL_LOCK 5
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#define CTRL_EJECT 6
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/* MMC/SDC command */
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#define MMC_GET_TYPE 10
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#define MMC_GET_CSD 11
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#define MMC_GET_CID 12
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#define MMC_GET_OCR 13
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#define MMC_GET_SDSTAT 14
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/* ATA/CF command */
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#define ATA_GET_REV 20
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#define ATA_GET_MODEL 21
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#define ATA_GET_SN 22
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/* ---------------------------------------------------------------------------
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* Type definitions.
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* ---------------------------------------------------------------------------
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*/
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/* Status of Disk Functions */
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typedef UINT8 DSTATUS;
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/* Results of Disk Functions */
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typedef enum
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{
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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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* Variable declarations.
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Function declarations.
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Function: disk_initialize
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*
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* Function to call initialisations for different devices. This function is
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* needed by the filesystem but is deactivated because for this project, no
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* multible devices are used. Function always returns "Operation suceeded"
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*
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* Parameters: UINT8 drive - Device number
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*
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* Return : DSTATUS - Initialisation status of desired device
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* ---------------------------------------------------------------------------
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*/
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DSTATUS disk_initialize(UINT8 drive);
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/* ---------------------------------------------------------------------------
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* Function: disk_status
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*
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* Function to call status calls for different devices. This function is
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* needed by the filesystem but is deactivated because for this project, no
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* multible devices are used. Function always returns "Operation suceeded"
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*
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* Parameters: UINT8 drive - Device number
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*
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* Return : DSTATUS - Status of desired device
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* ---------------------------------------------------------------------------
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*/
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DSTATUS disk_status(UINT8 drive);
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/* ---------------------------------------------------------------------------
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* Function: disk_ioctrl
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*
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* Function to call controllings for different devices. This function is
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* needed by the filesystem but is deactivated because for this project, no
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* multible devices are used. Function always returns "Operation suceeded"
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*
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* Parameters: UINT8 drive - Device number
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* UINT8 ctrl - A certain command
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* void *buff - A function pointer
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*
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* Return : DRESULT - Initialisation status of desired device
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* ---------------------------------------------------------------------------
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*/
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DRESULT disk_ioctl(UINT8 drive, UINT8 ctrl, void *buff);
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/* ---------------------------------------------------------------------------
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* Function: disk_read
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*
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* Function to read from the memory card.
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*
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* Parameters: UINT8 drive - Device number
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* pUINT8 buffer - Pointer to position to storage read data
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* UINT32 sector - Sector an that reading should be started
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* UINT8 count - Number of following sectors to read
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*
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* Return : DSTATUS - Initialisation status of desired device
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* ---------------------------------------------------------------------------
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*/
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DRESULT disk_read(UINT8 drive, pUINT8 buffer, UINT32 sector, UINT8 count);
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/* ---------------------------------------------------------------------------
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* Function: disk_write
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*
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* Function to write to the memory card.
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*
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* Parameters: UINT8 drive - Device number
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* pUINT8 buffer - Pointer to position where data is stored
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* UINT32 sector - Sector an that writing should be started
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* UINT8 count - Number of following sectors to write on
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*
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* Return : DSTATUS - Initialisation status of desired device
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* ---------------------------------------------------------------------------
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*/
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#if _READONLY == 0
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DRESULT disk_write(UINT8 drive, pUINT8 buffer, UINT32 sector, UINT8 count);
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#endif
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#endif /*FAT_TIME_H_*/
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