MicroAPRS/bertos/fs/fat.h

85 lines
2.7 KiB
C

/**
* \file
* <!--
* This file is part of BeRTOS.
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*
* \brief FatFS: kfile interface for FatFS module by ChaN.
*
* This driver needs some low level hardware access functions. An example implementation
* is provided in sd.h.
*
*
* \author Luca Ottaviano <lottaviano@develer.com>
*
* $WIZ$ module_name = "fat"
* $WIZ$ module_configuration = "bertos/cfg/cfg_fat.h"
* $WIZ$ module_depends = "kfile", "ff", "diskio"
*
*/
#ifndef FS_FAT_H
#define FS_FAT_H
#include <io/kfile.h>
#include "fatfs/ff.h"
typedef struct FatFile
{
KFile fd;
FIL fat_file;
FRESULT error_code; ///< error code for calls like kfile_read
} FatFile;
#define KFT_FATFILE MAKE_ID('F', 'A', 'T', 'F')
INLINE FatFile * FATFILE_CAST(KFile *fd)
{
ASSERT(fd->_type == KFT_FATFILE);
return (FatFile *)fd;
}
/**
* Initialize \a file and open \a file_path for reading.
*
* \a mode is a OR combination of various flags, you can use \a FA_READ for
* read access or \a FA_WRITE for write access.
* The function returns \a FR_OK if success, other values (defined in ff.h) in case
* of failure.
*
* \param file A pointer to a FatFile structure.
* \param file_path The file path on the filesystem.
* \param mode Open mode for the file, which can be OR'ed together
* \sa ff.h for return code meaning and \a mode flags.
*/
FRESULT fatfile_open(FatFile *file, const char *file_path, BYTE mode);
#endif /* FS_FAT_H */