update ffconf.h

This commit is contained in:
mazhiyuan 2021-10-25 13:58:07 +08:00
parent ecd84844c5
commit 39933d7305
1 changed files with 31 additions and 5 deletions

View File

@ -84,7 +84,11 @@
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 932
#ifdef RT_DFS_ELM_CODE_PAGE
# define FF_CODE_PAGE RT_DFS_ELM_CODE_PAGE
#else
# define FF_CODE_PAGE 936
#endif
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
@ -113,8 +117,13 @@
*/
#define FF_USE_LFN 0
#define FF_MAX_LFN 255
#if RT_DFS_ELM_USE_LFN
#define FF_USE_LFN RT_DFS_ELM_USE_LFN
#define FF_MAX_LFN RT_DFS_ELM_MAX_LFN
#else
#define FF_USE_LFN 0 /* 0 to 3 */
#define FF_MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
#endif
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
@ -133,7 +142,20 @@
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 0
#ifdef RT_DFS_ELM_LFN_UNICODE
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_UNICODE RT_DFS_ELM_LFN_UNICODE /* 0:ANSI/OEM or 1:Unicode */
#else
#define FF_LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
#endif
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
@ -166,7 +188,11 @@
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 1
#ifdef RT_DFS_ELM_DRIVES
#define FF_VOLUMES RT_DFS_ELM_DRIVES
#else
#define FF_VOLUMES 1
#endif
/* Number of volumes (logical drives) to be used. (1-10) */