the unit of read/write offset and buffer size is changed to the block size in block device driver read/write interface.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@793 bbd45198-f89e-11dd-88c7-29a3b14d5316

4 files changed, 44 insertions, 8 deletions

diff --git a/components/dfs/filesystems/elmfat/dfs_elm.c b/components/dfs/filesystems/elmfat/dfs_elm.c
index 3112d30bc4..f90298e8cc 100644
--- a/components/dfs/filesystems/elmfat/dfs_elm.c
+++ b/components/dfs/filesystems/elmfat/dfs_elm.c
@@ -41,6 +41,10 @@ static int elm_result_to_dfs(FRESULT result)
 		status = -DFS_STATUS_EROFS;

 		break;

 

+	case FR_MKFS_ABORTED:

+		status = -DFS_STATUS_EINVAL;

+		break;

+		

 	default:

 		status = -1;

 		break;

@@ -534,8 +538,8 @@ DRESULT disk_read (BYTE drv, BYTE *buff, DWORD sector, BYTE count)
 	rt_size_t result;

 	rt_device_t device = disk[drv];

 

-	result = rt_device_read(device, sector * 512, buff, count * 512);

-	if (result == count * 512)

+	result = rt_device_read(device, sector, buff, count);

+	if (result == count)

 	{

 		return RES_OK;

 	}

@@ -549,8 +553,8 @@ DRESULT disk_write (BYTE drv, const BYTE *buff, DWORD sector, BYTE count)
 	rt_size_t result;

 	rt_device_t device = disk[drv];

 

-	result = rt_device_write(device, sector * 512, buff, count * 512);

-	if (result == count * 512)

+	result = rt_device_write(device, sector, buff, count);

+	if (result == count)

 	{

 		return RES_OK;

 	}

@@ -561,6 +565,38 @@ DRESULT disk_write (BYTE drv, const BYTE *buff, DWORD sector, BYTE count)
 /* Miscellaneous Functions */

 DRESULT disk_ioctl (BYTE drv, BYTE ctrl, void *buff)

 {

+	rt_device_t device = disk[drv];

+

+	if (device == RT_NULL) return RES_ERROR;

+	

+	if (ctrl == GET_SECTOR_COUNT)

+	{

+		struct rt_device_blk_geometry geometry;

+

+		rt_memset(&geometry, 0, sizeof(geometry));

+		rt_device_control(device, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);

+

+		*(DWORD*)buff = geometry.sector_count;

+	}

+	else if (ctrl == GET_SECTOR_SIZE)

+	{

+		struct rt_device_blk_geometry geometry;

+

+		rt_memset(&geometry, 0, sizeof(geometry));

+		rt_device_control(device, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);

+

+		*(DWORD*)buff = geometry.bytes_per_sector;

+	}

+	else if (ctrl == GET_BLOCK_SIZE) /* Get erase block size in unit of sectors (DWORD) */

+	{

+		struct rt_device_blk_geometry geometry;

+

+		rt_memset(&geometry, 0, sizeof(geometry));

+		rt_device_control(device, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);

+

+		*(DWORD*)buff = geometry.block_size/geometry.bytes_per_sector;

+	}

+

 	return RES_OK;

 }

 

diff --git a/components/dfs/filesystems/elmfat/ff.c b/components/dfs/filesystems/elmfat/ff.c
index e2a75dad59..fc6b73bc76 100644
--- a/components/dfs/filesystems/elmfat/ff.c
+++ b/components/dfs/filesystems/elmfat/ff.c
@@ -2772,7 +2772,7 @@ FRESULT f_forward (
 /* Create File System on the Drive                                       */

 /*-----------------------------------------------------------------------*/

 #define N_ROOTDIR	512			/* Multiple of 32 and <= 2048 */

-#define N_FATS		1			/* 1 or 2 */

+#define N_FATS		2			/* 1 or 2 */  //	my edit

 #define MAX_SECTOR	131072000UL	/* Maximum partition size */

 #define MIN_SECTOR	2000UL		/* Minimum partition size */

 

@@ -2780,7 +2780,7 @@ FRESULT f_forward (
 FRESULT f_mkfs (

 	BYTE drv,			/* Logical drive number */

 	BYTE partition,		/* Partitioning rule 0:FDISK, 1:SFD */

-	WORD allocsize		/* Allocation unit size [bytes] */

+	DWORD allocsize		/* Allocation unit size [bytes] */

 )

 {

 	static const DWORD sstbl[] = { 2048000, 1024000, 512000, 256000, 128000, 64000, 32000, 16000, 8000, 4000,   0 };

diff --git a/components/dfs/filesystems/elmfat/ff.h b/components/dfs/filesystems/elmfat/ff.h
index 042eb8c894..499f3cad28 100644
--- a/components/dfs/filesystems/elmfat/ff.h
+++ b/components/dfs/filesystems/elmfat/ff.h
@@ -434,7 +434,7 @@ FRESULT f_chmod (const XCHAR*, BYTE, BYTE);			/* Change attriburte of the file/d
 FRESULT f_utime (const XCHAR*, const FILINFO*);		/* Change timestamp of the file/dir */

 FRESULT f_rename (const XCHAR*, const XCHAR*);		/* Rename/Move a file or directory */

 FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*);	/* Forward data to the stream */

-FRESULT f_mkfs (BYTE, BYTE, WORD);					/* Create a file system on the drive */

+FRESULT f_mkfs (BYTE, BYTE, DWORD);					/* Create a file system on the drive */

 FRESULT f_chdir (const XCHAR*);						/* Change current directory */

 FRESULT f_chdrive (BYTE);							/* Change current drive */

 

diff --git a/components/dfs/filesystems/elmfat/ffconf.h b/components/dfs/filesystems/elmfat/ffconf.h
index 7227b81c2e..cafcc4d1fc 100644
--- a/components/dfs/filesystems/elmfat/ffconf.h
+++ b/components/dfs/filesystems/elmfat/ffconf.h
@@ -39,7 +39,7 @@
 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */

 

 

-#define	_USE_MKFS	0		/* 0 or 1 */

+#define	_USE_MKFS	1		/* 0 or 1 */

 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */