X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/b4e3fab85fcd9f5b1502ec991c81302b910492d3..0f3b947bda5f34662a611272b9f12199e0da9aca:/fatfs/documents/doc/chdrive.html diff --git a/fatfs/documents/doc/chdrive.html b/fatfs/documents/doc/chdrive.html new file mode 100644 index 0000000..fb1c32f --- /dev/null +++ b/fatfs/documents/doc/chdrive.html @@ -0,0 +1,72 @@ + + + + + + + + +FatFs - f_chdrive + + + + +
+

f_chdrive

+

The f_chdrive function changes the current drive.

+
+FRESULT f_chdrive (
+  const TCHAR* path  /* [IN] Logical drive number */
+);
+
+
+ +
+

Parameters

+
+
path
+
Specifies the logical drive number to be set as the current drive.
+
+
+ + +
+

Return Values

+

+FR_OK, +FR_INVALID_DRIVE +

+
+ + +
+

Description

+

The f_chdrive function changes only the current drive. The initial value of the current drive number is 0. Note that the current drive is retained in a static variable, so that it also affects other tasks that using the file functions.

+
+ +
+

QuickInfo

+

Available when FF_FS_RPATH >= 1.

+
+ + +
+

Example

+
+    f_chdrive("2:");  /* Set drive 2 as current drive */
+
+    f_chdrive("");    /* No effect (set current drive as current drive) */
+
+    f_chdrive("/flash");  /* Set drive "flash" as current drive (at Unix style volume ID) */
+
+
+ + +
+

See Also

+

f_chdir, f_getcwd

+
+ +

Return

+ +