配置也配置成读写模式了，高手看一下我的配置文件。及DISKIO.c文件。
FFconf.h
/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module configuration file R0.08 (C)ChaN, 2010
/----------------------------------------------------------------------------/
/
/ CAUTION! Do not forget to make clean the project after any changes to
/ the configuration options.
/
/----------------------------------------------------------------------------*/
#ifndef _FFCONF
#define _FFCONF 8085 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function and Buffer Configurations
/----------------------------------------------------------------------------*/
#define _FS_TINY 0 /* 0:Normal or 1:Tiny */
/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
/ object instead of the sector buffer in the individual file object for file
/ data transfer. This reduces memory consumption 512 bytes each file object. */
#define _FS_READONLY 0 /* 0:Read/Write or 1:Read only */
/* Setting _FS_READONLY to 1 defines read only configuration. This removes
/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
/ f_truncate and useless f_getfree. */
#define _FS_MINIMIZE 0 /* 0, 1, 2 or 3 */
/* The _FS_MINIMIZE option defines minimization level to remove some functions.
/
/ 0: Full function.
/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
/ are removed.
/ 2: f_opendir and f_readdir are removed in addition to level 1.
/ 3: f_lseek is removed in addition to level 2. */
#define _USE_STRFUNC 1 /* 0:Disable or 1/2:Enable */
/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
#define _USE_MKFS 1 /* 0:Disable or 1:Enable */
/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
#define _USE_FORWARD 1 /* 0:Disable or 1:Enable */
/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
#define _USE_FASTSEEK 1 /* 0:Disable or 1:Enable */
/* To enable fast seek feature, set _USE_FASTSEEK to 1. */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/----------------------------------------------------------------------------*/
#define _CODE_PAGE 932
/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
/ Incorrect setting of the code page can cause a file open failure.
/
/ 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
/ 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
/ 949 - Korean (DBCS, OEM, Windows)
/ 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
/ 1250 - Central Europe (Windows)
/ 1251 - Cyrillic (Windows)
/ 1252 - Latin 1 (Windows)
/ 1253 - Greek (Windows)
/ 1254 - Turkish (Windows)
/ 1255 - Hebrew (Windows)
/ 1256 - Arabic (Windows)
/ 1257 - Baltic (Windows)
/ 1258 - Vietnam (OEM, Windows)
/ 437 - U.S. (OEM)
/ 720 - Arabic (OEM)
/ 737 - Greek (OEM)
/ 775 - Baltic (OEM)
/ 850 - Multilingual Latin 1 (OEM)
/ 858 - Multilingual Latin 1 + Euro (OEM)
/ 852 - Latin 2 (OEM)
/ 855 - Cyrillic (OEM)
/ 866 - Russian (OEM)
/ 857 - Turkish (OEM)
/ 862 - Hebrew (OEM)
/ 874 - Thai (OEM, Windows)
/ 1 - ASCII only (Valid for non LFN cfg.)
*/
#define _USE_LFN 0 /* 0 to 3 */
#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
/* The _USE_LFN option switches the LFN support.
/
/ 0: Disable LFN. _MAX_LFN and _LFN_UNICODE have no effect.
/ 1: Enable LFN with static working buffer on the bss. NOT REENTRANT.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN,
/ Unicode handling functions ff_convert() and ff_wtoupper() must be added
/ to the project. When enable to use heap, memory control functions
/ ff_memalloc() and ff_memfree() must be added to the project. */
#define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
/* To switch the character code set on FatFs API to Unicode,
/ enable LFN feature and set _LFN_UNICODE to 1. */
#define _FS_RPATH 0 /* 0:Disable or 1:Enable */
/* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir,
/ f_chdrive function are available.
/ Note that output of the f_readdir fnction is affected by this option. */
/*---------------------------------------------------------------------------/
/ Physical Drive Configurations
/----------------------------------------------------------------------------*/
#define _DRIVES 2
/* Number of volumes (logical drives) to be used. */
#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
/* Maximum sector size to be handled.
/ Always set 512 for memory card and hard disk but a larger value may be
/ required for floppy disk (512/1024) and optical disk (512/2048).
/ When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted
/ to the disk_ioctl function. */
#define _MULTI_PARTITION 0 /* 0:Single parition or 1:Multiple partition */
/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
/ drive number and can mount only first primaly partition. When it is set to 1,
/ each volume is tied to the partitions listed in Drives[]. */
/*---------------------------------------------------------------------------/
/ System Configurations
/----------------------------------------------------------------------------*/
#define _WORD_ACCESS 0 /* 0 or 1 */
/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
/ option defines which access method is used to the word data on the FAT volume.
/
/ 0: Byte-by-byte access.
/ 1: Word access. Do not choose this unless following condition is met.
/
/ When the byte order on the memory is big-endian or address miss-aligned word
/ access results incorrect behavior, the _WORD_ACCESS must be set to 0.
/ If it is not the case, the value can also be set to 1 to improve the
/ performance and code size. */
#define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
#define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
#define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
/* Include a header file here to define O/S system calls */
/* #include <windows.h>, <ucos_ii.h.h>, <semphr.h> or ohters. */
/* The _FS_REENTRANT option switches the reentrancy of the FatFs module.
/
/ 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
/ 1: Enable reentrancy. Also user provided synchronization handlers,
/ ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
/ function must be added to the project. */
#define _FS_SHARE 0 /* 0:Disable or >=1:Enable */
/* To enable file shareing feature, set _FS_SHARE to >= 1 and also user
provided memory handlers, ff_memalloc and ff_memfree function must be
added to the project. The value defines number of files can be opened
per volume. */
#endif /* _FFCONFIG */
DiskIO.C
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
/* This is a stub disk I/O module that acts as front end of the existing */
/* disk I/O modules and attach it to FatFs module with common interface. */
/*-----------------------------------------------------------------------*/
#include "diskio.h"
#include "SD_Driver.h"
/*-----------------------------------------------------------------------*/
/* Correspondence between physical drive number and physical drive. */
/*-----------------------------------------------------------------------*/
#define ATA 0
#define MMC 1
#define USB 2
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0..) */
)
{
DSTATUS stat;
int result;
switch (drv) {
case ATA :
//result = ATA_disk_initialize();
// translate the reslut code here
stat = SD_Init();//SD卡初始化
return stat;
case MMC :
// result = MMC_disk_initialize();
// translate the reslut code here
stat = 0;
return stat;
case USB :
// result = USB_disk_initialize();
// translate the reslut code here
stat = 0;
return stat;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0..) */
)
{
DSTATUS stat;
int result;
switch (drv) {
case ATA :
// result = ATA_disk_status();
// translate the reslut code here
stat = 0;
return stat;
case MMC :
// result = MMC_disk_status();
// translate the reslut code here
stat = 0;
return stat;
case USB :
//result = USB_disk_status();
// translate the reslut code here
stat = 0;
return stat;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
DRESULT res;
int result;
switch (drv) {
case ATA :
// result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
if(count < 1)
{
return RES_PARERR;
}
if(count == 1)
{
if(SD_ReadSingleBlock(sector,buff) != 0)
{
return RES_ERROR;
}
}
else
{
if(SD_ReadMultiBlock(sector,buff,count) != 0)
{
return RES_ERROR;
}
}
return RES_OK;
case MMC :
// result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
res = 0;
return res;
case USB :
// result = USB_disk_read(buff, sector, count);
// translate the reslut code here
res = 0;
return res;
}
return RES_PARERR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
/* The FatFs module will issue multiple sector transfer request
/ (count > 1) to the disk I/O layer. The disk function should process
/ the multiple sector transfer properly Do. not translate it into
/ multiple single sector transfers to the media, or the data read/write
/ performance may be drasticaly decreased. */
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
DRESULT res;
int result;
switch (drv) {
case ATA :
//result = ATA_disk_write(buff, sector, count);
// translate the reslut code here
if(count < 1)
{
return RES_PARERR;
}
if(count == 1)
{
if(SD_WriteSingleBlock(sector,buff) != 0)
{
return RES_ERROR;
}
}
else
{
if(SD_WriteMultiBlock(sector,buff,count) != 0)
{
return RES_ERROR;
}
}
return res;
case MMC :
//result = MMC_disk_write(buff, sector, count);
// translate the reslut code here
res = 0;
return res;
case USB :
//result = USB_disk_write(buff, sector, count);
// translate the reslut code here
res = 0;
return res;
}
return RES_PARERR;
}
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res;
int result;
switch (drv) {
case ATA :
// pre-process here
if (drv)
{
return RES_PARERR; //仅支持单磁盘操作，否则返回参数错误
}
//FATFS目前版本仅需处理CTRL_SYNC，GET_SECTOR_COUNT，GET_BLOCK_SIZ三个命令
switch(ctrl)
{
case CTRL_SYNC:
// SD_CS_ENABLE();
if(SD_WaitReady()==0)
{
res = RES_OK;
}
else
{
res = RES_ERROR;
}
// SD_CS_DISABLE();
break;
case GET_BLOCK_SIZE:
case GET_SECTOR_SIZE:
*(WORD*)buff = 512;
res = RES_OK;
break;
case GET_SECTOR_COUNT:
*(DWORD*)buff = SD_GetCapacity();
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
return res;
//result = ATA_disk_ioctl(ctrl, buff);
// post-process here
case MMC :
// pre-process here
// result = MMC_disk_ioctl(ctrl, buff);
// post-process here
return RES_PARERR;
//return res;
case USB :
// pre-process here
// result = USB_disk_ioctl(ctrl, buff);
// post-process here
return RES_PARERR;
//return res;
}
return RES_PARERR;
}
DWORD get_fattime (void)
{
return 0;
}
贴的可能比较多，请见谅！这个FATFS 用的是R0.09，用R0.08也是这个问题，就升级成R0.09，还是不行。 |
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