diff options
Diffstat (limited to 'src/gfile/sys_options.h')
| -rw-r--r-- | src/gfile/sys_options.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/gfile/sys_options.h b/src/gfile/sys_options.h index ff1e5d4c..354d4f2b 100644 --- a/src/gfile/sys_options.h +++ b/src/gfile/sys_options.h @@ -101,17 +101,35 @@ #define GFILE_NEED_RAMFS FALSE #endif /** - * @brief Include the FAT file system driver + * @brief Include the FAT file system driver based on the FATFS library * @details Defaults to FALSE * @note If GFILE_ALLOW_DEVICESPECIFIC is on then you can ensure that you are * opening a file on the FAT file system by prefixing * its name with "F|" (the letter 'F', followed by a vertical bar). - * @note You must separately include the FATFS library and code. + * @note FATFS and PETITFS offer the same FAT file system support. They just use + * different constraints. PETITFS is smaller but has less features. Only + * one can be used at a time. The block interfaces are also different. */ #ifndef GFILE_NEED_FATFS #define GFILE_NEED_FATFS FALSE #endif /** + * @brief Include the FAT file system driver based on the PETITFS library + * @details Defaults to FALSE + * @note If GFILE_ALLOW_DEVICESPECIFIC is on then you can ensure that you are + * opening a file on the FAT file system by prefixing + * its name with "F|" (the letter 'F', followed by a vertical bar). + * @note FATFS and PETITFS offer the same FAT file system support. They just use + * different constraints. PETITFS is smaller but has less features. Only + * one can be used at a time. The block interfaces are also different. + * @note Due to the restrictions on the PETITFS library on writing, we do not implement + * writing. + * @note PETITFS can only have one file open at a time. + */ + #ifndef GFILE_NEED_PETITFS + #define GFILE_NEED_FATFS FALSE + #endif + /** * @brief Include the operating system's native file system * @details Defaults to FALSE * @note If GFILE_ALLOW_DEVICESPECIFIC is on then you can ensure that you are |