Thomas Hamilton
SD Card Interface class. Log raw data bytes to memory addresses of your choice, or format the card and use the FAT file system to write files.
Diff: FATFileSystem/Core/diskio.c
- Revision:
- 2:716abfa4a4d0
- Parent:
- 1:94c648931f84
- Child:
- 3:210eb67b260c
--- a/FATFileSystem/Core/diskio.c Sat Aug 07 18:32:30 2010 +0000
+++ b/FATFileSystem/Core/diskio.c Mon Aug 23 01:31:50 2010 +0000
@@ -1,136 +1,136 @@
-/*-----------------------------------------------------------------------*/
-/* 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"
-
-DSTATUS disk_initialize(BYTE drv)
-{
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_initialize();
- }
- else
- {
- return STA_NOINIT;
- }
-}
-
-DSTATUS disk_status(BYTE drv)
-{
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_status();
- }
- else
- {
- return STA_NOINIT;
- }
-}
-
-DRESULT disk_read(BYTE drv, BYTE* buff, DWORD sector, BYTE count)
-{
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- return (DRESULT)FATFileSystem::DriveArray[drv]->disk_read((unsigned char*)buff,
- (unsigned long)sector, (unsigned char)count);
- }
- else
- {
- return RES_NOTRDY;
- }
-}
-
-#if _READONLY == 0
-DRESULT disk_write(BYTE drv, const BYTE* buff, DWORD sector, BYTE count)
-{
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- return (DRESULT)FATFileSystem::DriveArray[drv]->disk_write((const unsigned char*)buff,
- (unsigned long)sector, (unsigned char)count);
- }
- else
- {
- return RES_NOTRDY;
- }
-}
-#endif
-
-DRESULT disk_ioctl(BYTE drv, BYTE ctrl, void* buff)
-{
- switch (ctrl)
- {
- case CTRL_SYNC:
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- return (DRESULT)FATFileSystem::DriveArray[drv]->disk_sync();
- }
- else
- {
- return RES_NOTRDY;
- }
-
- case GET_SECTOR_SIZE:
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- WORD Result = FATFileSystem::DriveArray[drv]->disk_sector_size();
- if (Result > 0)
- {
- *((WORD*)buff) = Result;
- return RES_OK;
- }
- else
- {
- return RES_ERROR;
- }
- }
- else
- {
- return RES_NOTRDY;
- }
-
- case GET_SECTOR_COUNT:
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- DWORD Result = FATFileSystem::DriveArray[drv]->disk_sector_count();
- if (Result > 0)
- {
- *((DWORD*)buff) = Result;
- return RES_OK;
- }
- else
- {
- return RES_ERROR;
- }
- }
- else
- {
- return RES_NOTRDY;
- }
-
- case GET_BLOCK_SIZE:
- if (FATFileSystem::DriveArray[drv] != NULL)
- {
- DWORD Result = FATFileSystem::DriveArray[drv]->disk_block_size();
- if (Result > 0)
- {
- *((DWORD*)buff) = Result;
- return RES_OK;
- }
- else
- {
- return RES_ERROR;
- }
- }
- else
- {
- return RES_NOTRDY;
- }
-
- default:
- return RES_PARERR;
- }
+/*-----------------------------------------------------------------------*/
+/* 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"
+
+DSTATUS disk_initialize(BYTE drv)
+{
+ if (FATFileSystem::DriveArray[drv])
+ {
+ return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_initialize();
+ }
+ else
+ {
+ return STA_NOINIT;
+ }
+}
+
+DSTATUS disk_status(BYTE drv)
+{
+ if (FATFileSystem::DriveArray[drv])
+ {
+ return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_status();
+ }
+ else
+ {
+ return STA_NOINIT;
+ }
+}
+
+DRESULT disk_read(BYTE drv, BYTE* buff, DWORD sector, BYTE count)
+{
+ if (FATFileSystem::DriveArray[drv])
+ {
+ return (DRESULT)FATFileSystem::DriveArray[drv]->disk_read((unsigned char*)buff,
+ (unsigned long)sector, (unsigned char)count);
+ }
+ else
+ {
+ return RES_NOTRDY;
+ }
+}
+
+#if _READONLY == 0
+DRESULT disk_write(BYTE drv, const BYTE* buff, DWORD sector, BYTE count)
+{
+ if (FATFileSystem::DriveArray[drv])
+ {
+ return (DRESULT)FATFileSystem::DriveArray[drv]->disk_write((const unsigned char*)buff,
+ (unsigned long)sector, (unsigned char)count);
+ }
+ else
+ {
+ return RES_NOTRDY;
+ }
+}
+#endif
+
+DRESULT disk_ioctl(BYTE drv, BYTE ctrl, void* buff)
+{
+ switch (ctrl)
+ {
+ case CTRL_SYNC:
+ if (FATFileSystem::DriveArray[drv])
+ {
+ return (DRESULT)FATFileSystem::DriveArray[drv]->disk_sync();
+ }
+ else
+ {
+ return RES_NOTRDY;
+ }
+
+ case GET_SECTOR_SIZE:
+ if (FATFileSystem::DriveArray[drv])
+ {
+ WORD Result = FATFileSystem::DriveArray[drv]->disk_sector_size();
+ if (Result > 0)
+ {
+ *((WORD*)buff) = Result;
+ return RES_OK;
+ }
+ else
+ {
+ return RES_ERROR;
+ }
+ }
+ else
+ {
+ return RES_NOTRDY;
+ }
+
+ case GET_SECTOR_COUNT:
+ if (FATFileSystem::DriveArray[drv])
+ {
+ DWORD Result = FATFileSystem::DriveArray[drv]->disk_sector_count();
+ if (Result > 0)
+ {
+ *((DWORD*)buff) = Result;
+ return RES_OK;
+ }
+ else
+ {
+ return RES_ERROR;
+ }
+ }
+ else
+ {
+ return RES_NOTRDY;
+ }
+
+ case GET_BLOCK_SIZE:
+ if (FATFileSystem::DriveArray[drv])
+ {
+ DWORD Result = FATFileSystem::DriveArray[drv]->disk_block_size();
+ if (Result > 0)
+ {
+ *((DWORD*)buff) = Result;
+ return RES_OK;
+ }
+ else
+ {
+ return RES_ERROR;
+ }
+ }
+ else
+ {
+ return RES_NOTRDY;
+ }
+
+ default:
+ return RES_PARERR;
+ }
}
\ No newline at end of file