file_system.h

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#ifndef _FILE_SYSTEM_H_
#define _FILE_SYSTEM_H_
 
#ifdef __cplusplus
extern "C"{
#endif
 
#include "physical_drive.h"
#include "cstdio.h"
 
#ifdef __GNUC__
#define NOP() asm ("nop")
#else
#define NOP() asm nop
#endif
 
#define FS_MAX_VOLUMES ((uint8_t)5)
 
#define FS_MAX_OBJECTS ((uint8_t)10)
 // file_system_config_group
 
#define FSS_OK ((uint8_t)0)
 
#define FSS_GENERAL_ERROR ((uint8_t)1)
 
#define FSS_DRIVE_FULL ((uint8_t)2)
 
#define FSS_END_OF_FILE ((uint8_t)3)
 
#define FSS_END_OF_DIRECTORY ((uint8_t)4)
 
#define FSS_NOT_IMPLEMENTED ((uint8_t)5)
 // file_system_status_group
 
 
#define FS_FILE_READ 0x01
 
#define FS_FILE_WRITE 0x02
 
#define FS_FILE_OPEN_EXISTING 0x00
 
#define FS_FILE_CREATE_NEW 0x04
 
#define FS_FILE_CREATE_ALWAYS 0x08
 
#define FS_FILE_OPEN_ALWAYS 0x10
 
#define FS_FILE_OPEN_APPEND 0x30
 // file_flags_group
 
 
typedef int8_t fs_status_t;
 
 
typedef enum {
 SEEK_START = 0, 
 SEEK_CURRENT, 
 SEEK_END, 
} fs_file_rw_pointer_t;
 
typedef void * fs_file_t;
 
 
typedef void * fs_dir_t;
 
typedef struct logical_drive_vector_table logical_drive_vector_table_t;
 
 
typedef enum {
 FS_TYPE_UNINITIALIZED = 0, 
 FS_TYPE_FATFS 
} logical_drive_type_t;
 
typedef struct {
 logical_drive_vector_table_t * vtptr; 
 logical_drive_type_t type; 
 uint8_t volume_id; 
 uint8_t object_count; 
 uint8_t error; 
} logical_drive_t;
 // logical_drive_group
 
 
fs_status_t file_system_format(const char * __generic_ptr path);
 
fs_status_t file_system_mount(logical_drive_t * const ldrive_base, const char * __generic_ptr path, physical_drive_t * const pdrive_base);
 
fs_status_t file_system_unmount(const char * __generic_ptr path);
 
fs_status_t file_system_remove(const char * __generic_ptr path);
 
fs_status_t file_system_rename(const char * __generic_ptr old_path, const char * __generic_ptr new_path);
 
fs_status_t file_system_mkdir(const char * __generic_ptr path);
 // file_system_management_group
 
#ifdef __cplusplus
}
#endif
 
#endif // !_FILE_SYSTEM_H_