TCP/IP Stack, FAT16 System on a Microcontroller

/*
 * myfile.h
 *
 *  Created on: 29/07/2011
 *      Author: lyl
 */

#ifndef MYFILE_H_
#define MYFILE_H_

#define FATFS_MAX_OPEN_FILES 1

#define FAT_SFN_SIZE_FULL						 11			

struct _FILE;

struct cluster_lookup
{
	DWORD ClusterIdx;
	DWORD CurrentCluster;
};

typedef struct _FILE
{
	DWORD			parentcluster;
	DWORD			startcluster;
	DWORD			bytenum;
	DWORD			filelength;
	int				filelength_changed;
	char			path[FATFS_MAX_LONG_FILENAME];
	char			filename[FATFS_MAX_LONG_FILENAME];
	BYTE			shortfilename[11];

	// Cluster Lookup
	struct cluster_lookup	last_fat_lookup;

	// Read/Write sector buffer
	SECTOR_BUFFER	file_data;

	// File fopen flags
	BYTE			flags;
#define FILE_READ	(1 << 0)
#define FILE_WRITE	(1 << 1)
#define FILE_APPEND	(1 << 2)
#define FILE_BINARY	(1 << 3)
#define FILE_ERASE	(1 << 4)
#define FILE_CREATE	(1 << 5)

	struct _FILE			*next;
} FILE;


#endif /* MYFILE_H_ */