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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/fs/fat/ChaN/diskio.cpp')
-rw-r--r--tmk_core/tool/mbed/mbed-sdk/libraries/fs/fat/ChaN/diskio.cpp94
1 files changed, 94 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/fs/fat/ChaN/diskio.cpp b/tmk_core/tool/mbed/mbed-sdk/libraries/fs/fat/ChaN/diskio.cpp
new file mode 100644
index 0000000000..1f719725ed
--- /dev/null
+++ b/tmk_core/tool/mbed/mbed-sdk/libraries/fs/fat/ChaN/diskio.cpp
@@ -0,0 +1,94 @@
+/*-----------------------------------------------------------------------*/
+/* 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 "ffconf.h"
+#include "diskio.h"
+
+#include "mbed_debug.h"
+#include "FATFileSystem.h"
+
+using namespace mbed;
+
+DSTATUS disk_initialize (
+ BYTE drv /* Physical drive nmuber (0..) */
+)
+{
+ debug_if(FFS_DBG, "disk_initialize on drv [%d]\n", drv);
+ return (DSTATUS)FATFileSystem::_ffs[drv]->disk_initialize();
+}
+
+DSTATUS disk_status (
+ BYTE drv /* Physical drive nmuber (0..) */
+)
+{
+ debug_if(FFS_DBG, "disk_status on drv [%d]\n", drv);
+ return (DSTATUS)FATFileSystem::_ffs[drv]->disk_status();
+}
+
+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) */
+)
+{
+ debug_if(FFS_DBG, "disk_read(sector %d, count %d) on drv [%d]\n", sector, count, drv);
+ if (FATFileSystem::_ffs[drv]->disk_read((uint8_t*)buff, sector, count))
+ return RES_PARERR;
+ else
+ return RES_OK;
+}
+
+#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) */
+)
+{
+ debug_if(FFS_DBG, "disk_write(sector %d, count %d) on drv [%d]\n", sector, count, drv);
+ if (FATFileSystem::_ffs[drv]->disk_write((uint8_t*)buff, sector, count))
+ return RES_PARERR;
+ else
+ return RES_OK;
+}
+#endif /* _READONLY */
+
+DRESULT disk_ioctl (
+ BYTE drv, /* Physical drive nmuber (0..) */
+ BYTE ctrl, /* Control code */
+ void *buff /* Buffer to send/receive control data */
+)
+{
+ debug_if(FFS_DBG, "disk_ioctl(%d)\n", ctrl);
+ switch(ctrl) {
+ case CTRL_SYNC:
+ if(FATFileSystem::_ffs[drv] == NULL) {
+ return RES_NOTRDY;
+ } else if(FATFileSystem::_ffs[drv]->disk_sync()) {
+ return RES_ERROR;
+ }
+ return RES_OK;
+ case GET_SECTOR_COUNT:
+ if(FATFileSystem::_ffs[drv] == NULL) {
+ return RES_NOTRDY;
+ } else {
+ DWORD res = FATFileSystem::_ffs[drv]->disk_sectors();
+ if(res > 0) {
+ *((DWORD*)buff) = res; // minimum allowed
+ return RES_OK;
+ } else {
+ return RES_ERROR;
+ }
+ }
+ case GET_BLOCK_SIZE:
+ *((DWORD*)buff) = 1; // default when not known
+ return RES_OK;
+
+ }
+ return RES_PARERR;
+}