sqlite数据库，exfat支持

rt-thread/components/dfs/filesystems/elmfat/dfs_elm.c

@@ -863,7 +863,7 @@ DSTATUS disk_status(BYTE drv)
 }
 
 /* Read Sector(s) */
-DRESULT disk_read(BYTE drv, BYTE *buff, DWORD sector, UINT count)
+/*DRESULT disk_read(BYTE drv, BYTE *buff, DWORD sector, UINT count)
 {
     rt_size_t result;
     rt_device_t device = disk[drv];
@@ -875,10 +875,22 @@ DRESULT disk_read(BYTE drv, BYTE *buff, DWORD sector, UINT count)
     }
 
     return RES_ERROR;
-}
+}*/
+DRESULT disk_read(BYTE drv, BYTE *buff, LBA_t sector, UINT count)
+{
+    rt_size_t result;
+       rt_device_t device = disk[drv];
 
+       result = rt_device_read(device, sector, buff, count);
+       if (result == count)
+       {
+           return RES_OK;
+       }
+
+       return RES_ERROR;
+}
 /* Write Sector(s) */
-DRESULT disk_write(BYTE drv, const BYTE *buff, DWORD sector, UINT count)
+/*DRESULT disk_write(BYTE drv, const BYTE *buff, DWORD sector, UINT count)
 {
     rt_size_t result;
     rt_device_t device = disk[drv];
@@ -890,6 +902,19 @@ DRESULT disk_write(BYTE drv, const BYTE *buff, DWORD sector, UINT count)
     }
 
     return RES_ERROR;
+}*/
+DRESULT disk_write(BYTE drv, const BYTE *buff, LBA_t sector, UINT count)
+{
+    rt_size_t result;
+       rt_device_t device = disk[drv];
+
+       result = rt_device_write(device, sector, buff, count);
+       if (result == count)
+       {
+           return RES_OK;
+       }
+
+       return RES_ERROR;
 }
 
 /* Miscellaneous Functions */

rt-thread/components/dfs/filesystems/elmfat/ffconf.h

@@ -233,7 +233,7 @@
 /  GET_SECTOR_SIZE command. */
 
 
-#define FF_LBA64		0
+#define FF_LBA64		1
 /* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
 /  To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
 
@@ -259,7 +259,7 @@
 /  At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
 /  Instead of private sector buffer eliminated from the file object, common sector
 /  buffer in the filesystem object (FATFS) is used for the file data transfer. */
-
+#define RT_DFS_ELM_USE_EXFAT//exfat支持
 #ifdef RT_DFS_ELM_USE_EXFAT
 #define FF_FS_EXFAT	1
 #else