Files
Main/file_io.h
2018-04-01 06:17:08 +08:00

81 lines
2.5 KiB
C

#ifndef _FAT16_H_INCLUDED
#define _FAT16_H_INCLUDED
#include <unistd.h>
#include <dirent.h>
#include <fcntl.h>
#include "spi.h"
typedef struct
{
int fd;
int mode;
int type;
__off64_t size;
__off64_t offset;
char name[261];
} fileTYPE;
extern int nDirEntries;
extern struct dirent DirItem[1000];
extern int iSelectedEntry;
extern int iFirstEntry;
// scanning flags
#define SCAN_INIT 0 // start search from beginning of directory
#define SCAN_NEXT 1 // find next file in directory
#define SCAN_PREV -1 // find previous file in directory
#define SCAN_NEXT_PAGE 2 // find next 8 files in directory
#define SCAN_PREV_PAGE -2 // find previous 8 files in directory
#define SCAN_SET_ITEM 3 // find exact item
// options flags
#define SCAN_DIR 1 // include subdirectories
#define SCAN_UMOUNT 2 // include subdirectories
#define SCAN_SDIR 4 // include subdirectories
#define SCAN_ROOT 8
#define SCAN_HERE 16
void FindStorage();
int getStorage(int from_setting);
void setStorage(int dev);
int isUSBMounted();
int FileOpenEx(fileTYPE *file, const char *name, int mode);
int FileOpen(fileTYPE *file, const char *name);
void FileClose(fileTYPE *file);
int FileSeek(fileTYPE *file, __off64_t offset, int origin);
int FileSeekLBA(fileTYPE *file, uint32_t offset);
//MiST compatible functions. Avoid to use them.
int FileRead(fileTYPE *file, void *pBuffer);
int FileReadEx(fileTYPE *file, void *pBuffer, int nSize);
int FileWrite(fileTYPE *file, void *pBuffer);
int FileNextSector(fileTYPE *file);
//New functions.
int FileReadAdv(fileTYPE *file, void *pBuffer, int length);
int FileReadSec(fileTYPE *file, void *pBuffer);
int FileWriteAdv(fileTYPE *file, void *pBuffer, int length);
int FileWriteSec(fileTYPE *file, void *pBuffer);
int FileCanWrite(const char *name);
int FileSave(const char *name, void *pBuffer, int size);
int FileLoad(const char *name, void *pBuffer, int size); // supply pBuffer = 0 to get the file size without loading
//save/load from config dir
#define CONFIG_DIR "config"
int FileSaveConfig(const char *name, void *pBuffer, int size);
int FileLoadConfig(const char *name, void *pBuffer, int size); // supply pBuffer = 0 to get the file size without loading
void AdjustDirectory(char *path);
int ScanDirectory(const char* path, int mode, const char *extension, int options, const char *prefix = NULL);
const char *getStorageDir(int dev);
const char *getRootDir();
const char *getFullPath(const char *name);
#endif