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fatfs/add menuconfig options for different encodings

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This commit adds character encoding configurations in for the fatfs component.
The FF_LFN_UNICODE definition in ffconf.h can now be changed to accept UTF-8 or
UTF-16 encoded filernames. Test cases using UTF-8 encoded file paths and names in
FatFs have also been added.

Closes #1183
This commit is contained in:
Darian Leung
2017-11-30 20:57:37 +08:00
parent 45eb556ddf
commit 99b8ae34c9
6 changed files with 166 additions and 5 deletions
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10
components/fatfs/src/ffconf.h
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@@ -129,7 +129,13 @@
/ ff_memfree() in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 0
#ifdef CONFIG_FATFS_API_ENCODING_UTF_8
#define FF_LFN_UNICODE 2
#elif defined(CONFIG_FATFS_API_ENCODING_UTF_16)
#define FF_LFN_UNICODE 1
#else /* CONFIG_FATFS_API_ENCODING_ANSI_OEM */
#define FF_LFN_UNICODE 0
#endif
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
@@ -148,7 +154,7 @@
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_STRF_ENCODE 3
#define FF_STRF_ENCODE 3
/* When FF_LFN_UNICODE >= 1 with LFN enabled, string I/O functions, f_gets(),
/ f_putc(), f_puts and f_printf() convert the character encoding in it.
/ This option selects assumption of character encoding ON THE FILE to be