1 files changed, 72 insertions, 3 deletions

diff --git a/src/gfile/inc_fatfs.c b/src/gfile/inc_fatfs.c
index 0a8a4cd1..c90b6c30 100644
--- a/src/gfile/inc_fatfs.c
+++ b/src/gfile/inc_fatfs.c
@@ -9,6 +9,9 @@
  * This file is included by src/gfile/gfile.c
  */
 
+#include "ff.h"
+#include "ffconf.h"
+
 /********************************************************
  * The FAT file-system VMT
  ********************************************************/
@@ -45,58 +48,124 @@ static const GFILEVMT FsFatFSVMT = {
 #undef GFILE_CHAINHEAD
 #define GFILE_CHAINHEAD &FsFatFSVMT
 
+static void _flags2mode(GFILE* f, BYTE* mode)
+{
+	*mode = 0;
+
+	if (f->flags & GFILEFLG_MUSTEXIST)
+		*mode |= FA_READ;
+	else if (f->flags & GFILEFLG_APPEND)
+		*mode |= 0;	/* ToDO */
+	else
+		*mode |= FA_WRITE;
+
+	/* ToDo - Complete */	
+}
+
 static bool_t fatfsDel(const char* fname)
 {
+	FRESULT ferr;
+
+	ferr = f_unlink( (const TCHAR*)fname );
+	if (ferr != FR_OK)
+		return FALSE;
 
+	return TRUE;
 }
 
 static bool_t fatfsExists(const char* fname)
 {
+	(void)fname;
+
+	/* ToDo */
 
+	return TRUE;
 }
 
 static long int fatfsFileSize(const char* fname)
 {
+	FRESULT ferr;
+	FILINFO fno;
 
+	ferr = f_stat( (const TCHAR*)fname, &fno );
+	if (ferr != FR_OK)
+		return 0;
+
+	return (long int)fno.fsize;
 }
 
 static bool_t fatfsRename(const char* oldname, const char* newname)
 {
+	FRESULT ferr;
+
+	ferr = f_rename( (const TCHAR*)oldname, (const TCHAR*)newname );
+	if (ferr != FR_OK)
+		return FALSE;
 
+	return TRUE;
 }
 
 static bool_t fatfsOpen(GFILE* f, const char* fname)
 {
+	FIL* fd = 0;
+	BYTE mode;
+	FRESULT ferr;
 
+	_flags2mode(f, &mode);
+
+	ferr = f_open(fd, fname, mode);
+	if (ferr != FR_OK)
+		return FALSE;
+
+	f->obj = (void*)fd;
+
+	return TRUE;	
 }
 
 static void fatfsClose(GFILE* f)
 {
-
+	f_close( (FIL*)f->obj );
 }
 
 static int fatfsRead(GFILE* f, void* buf, int size)
 {
+	int br;
+
+	f_read( (FIL*)f->obj, buf, size, (UINT*)&br);
 
+	return br;
 }
 
 static int fatfsWrite(GFILE* f, const void* buf, int size)
 {
+	int wr;
 
+	f_write( (FIL*)f->obj, buf, size, (UINT*)&wr);
+
+	return wr;
 }
 
 static bool_t fatfsSetPos(GFILE* f, long int pos)
 {
+	FRESULT ferr;
+
+	ferr = f_lseek( (FIL*)f->obj, (DWORD)pos );
+	if (ferr != FR_OK)
+		return FALSE;
 
+	return TRUE;
 }
 
 static long int fatfsGetSize(GFILE* f)
 {
-
+	return (long int)f_tell( (FIL*)f->obj );
 }
 
 static bool_t fatfsEOF(GFILE* f)
 {
-
+	if ( f_eof( (FIL*)f->obj ) != 0)
+		return TRUE;
+	else
+		return FALSE;
 }