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file_io.h
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#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 path[1024];
char name[261];
} fileTYPE;
int flist_nDirEntries();
int flist_iFirstEntry();
int flist_iSelectedEntry();
dirent* flist_DirItem(int n);
dirent* flist_SelectedItem();
// scanning flags
#define SCANF_INIT 0 // start search from beginning of directory
#define SCANF_NEXT 1 // find next file in directory
#define SCANF_PREV -1 // find previous file in directory
#define SCANF_NEXT_PAGE 2 // find next 16 files in directory
#define SCANF_PREV_PAGE -2 // find previous 16 files in directory
#define SCANF_SET_ITEM 3 // find exact item
// options flags
#define SCANO_DIR 1 // include subdirectories
#define SCANO_UMOUNT 2 // allow backspace key
#define SCANO_CORES 4 // only include subdirectories with prefix '_'
#define SCANO_COEFF 8
void FindStorage();
int getStorage(int from_setting);
void setStorage(int dev);
int isUSBMounted();
int FileOpenEx(fileTYPE *file, const char *name, int mode, char mute = 0);
int FileOpen(fileTYPE *file, const char *name, char mute = 0);
void FileClose(fileTYPE *file);
__off64_t FileGetSize(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(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);
uint32_t getFileType(const char *name);
#define COEFF_DIR "filters"
#endif