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fs/fatfs: Move FF_USE_LFN logic to Kconfig

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Commit add hidden Kconfig option CONFIG_FS_FATFS_FF_USE_LFN
that is passed to ELM FAT to define FF_USE_LFN configuration.
The FF_USE_LFN still depends, indirectly, on choice
CONFIG_FS_FATFS_LFN_MODE config options
CONFIG_FS_FATFS_LFN_MODE_BSS, FS_FATFS_LFN_MODE_STACK and
FS_FATFS_LFN_MODE_HEAP, but the logic has been moved out of
zephyr_fatfs_config.h into Kconfig file.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
This commit is contained in:
Dominik Ermel 2022-11-23 11:16:29 +00:00 • committed by Fabio Baltieri
commit 1e0f36e896
2 changed files with 12 additions and 7 deletions
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10
modules/fatfs/zephyr_fatfs_config.h
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@ -33,14 +33,10 @@
#define FF_CODE_PAGE 437
#endif /* defined(CONFIG_FS_FATFS_CODEPAGE) */
#if defined(CONFIG_FS_FATFS_LFN)
#if defined(CONFIG_FS_FATFS_FF_USE_LFN)
#if CONFIG_FS_FATFS_FF_USE_LFN <= 3
#undef FF_USE_LFN
#if CONFIG_FS_FATFS_LFN_MODE_BSS
#define FF_USE_LFN 1
#elif CONFIG_FS_FATFS_LFN_MODE_STACK
#define FF_USE_LFN 2
#elif CONFIG_FS_FATFS_LFN_MODE_HEAP
#define FF_USE_LFN 3
#define FF_USE_LFN CONFIG_FS_FATFS_FF_USE_LFN
#else
#error Invalid LFN buffer location
#endif