WebSVN - Projects - Diff - Rev 317 and 333


#ifndef _FAT16_H
#define _FAT16_H
 
 
//________________________________________________________________________________________________________________________________________
//
// Definitions
//
//________________________________________________________________________________________________________________________________________
 
//#define               __USE_TIME_DATE_ATTRIBUTE
#define FILE_MAX_OPEN   3                               // The number of files that can accessed simultaneously.
#define SEEK_SET        0
#define SEEK_CUR        1
#define SEEK_END        2
#define EOF     (-1)
#define BYTES_PER_SECTOR        512
/*
________________________________________________________________________________________________________________________________________
 
        Structure of a filepointer
________________________________________________________________________________________________________________________________________
*/
typedef struct
{
        uint32_t        FirstSectorOfFirstCluster;      // First sector of the first cluster of the file.
        uint32_t        FirstSectorOfCurrCluster;       // First sector of the cluster which is edited at the moment.
        uint8_t         SectorOfCurrCluster;            // The sector within the current cluster.
        uint16_t        ByteOfCurrSector;                       // The byte location within the current sector.
        uint8_t         Mode;                                           // Mode of fileoperation (read,write)
        uint32_t        Size;                                           // The size of the opend file in bytes.
        uint32_t        Position;                                       // Pointer to a character within the file 0 < fileposition < filesize
        uint32_t        DirectorySector;                        // the sectorposition where the directoryentry has been made.
        uint16_t        DirectoryIndex;                         // The index to the directoryentry within the specified sector.
        uint8_t         Attribute;                                      // The attribute of the file opened.
        uint8_t         Cache[BYTES_PER_SECTOR];        // Cache for read and write operation from or to the sd-card.
        uint32_t        SectorInCache;                          // The last sector read, which is still in the sector cache.
        uint8_t         State;                                          // State of the filepointer (used/unused/...)
} File_t;
 
//________________________________________________________________________________________________________________________________________
//
// API to the FAT16 filesystem
//
//________________________________________________________________________________________________________________________________________
 
extern uint8_t          Fat16_Init(void);
extern uint8_t          Fat16_Deinit(void);
extern uint8_t          Fat16_IsValid(void);
 
extern File_t *         fopen_(int8_t * const filename, const int8_t mode);
extern int16_t          fclose_(File_t *file);
extern uint8_t          fexist_(int8_t * const filename);
extern int16_t          fflush_(File_t * const file);
extern int16_t          fseek_(File_t * const file, int32_t offset, int16_t origin);
extern int16_t          fgetc_(File_t * const file);
extern int16_t          fputc_(const int8_t c, File_t * const file);
extern uint32_t         fread_(void * const buffer, uint32_t size, uint32_t count, File_t * const file);
extern uint32_t         fwrite_(void *buffer, uint32_t size, uint32_t count, File_t *file);
extern int16_t          fputs_(int8_t * const string, File_t * const file);
extern int8_t *         fgets_(int8_t * const string, const int16_t length, File_t * const file);
extern uint8_t          feof_(File_t * const file);
 
 
 
#endif //_FAT16_H
 
 
 
 
 

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(root)/FollowMe/fat16.h @ 422 - Rev 317 → 333

Rev 317		Rev 333
1	#ifndef _FAT16_H	1	#ifndef _FAT16_H
2	#define _FAT16_H	2	#define _FAT16_H
3		3
4		4
5	//________________________________________________________________________________________________________________________________________	5	//________________________________________________________________________________________________________________________________________
6	//	6	//
7	// Definitions	7	// Definitions
8	//	8	//
9	//________________________________________________________________________________________________________________________________________	9	//________________________________________________________________________________________________________________________________________
10		10
11	//#define __USE_TIME_DATE_ATTRIBUTE	11	//#define __USE_TIME_DATE_ATTRIBUTE
12	#define FILE_MAX_OPEN 3 // The number of files that can accessed simultaneously.	12	#define FILE_MAX_OPEN 3 // The number of files that can accessed simultaneously.
13	#define SEEK_SET 0	13	#define SEEK_SET 0
14	#define SEEK_CUR 1	14	#define SEEK_CUR 1
15	#define SEEK_END 2	15	#define SEEK_END 2
16	#define EOF (-1)	16	#define EOF (-1)
17	#define BYTES_PER_SECTOR 512	17	#define BYTES_PER_SECTOR 512
18	/*	18	/*
19	________________________________________________________________________________________________________________________________________	19	________________________________________________________________________________________________________________________________________
20		20
21	Structure of a filepointer	21	Structure of a filepointer
22	________________________________________________________________________________________________________________________________________	22	________________________________________________________________________________________________________________________________________
23	*/	23	*/
24	typedef struct	24	typedef struct
25	{	25	{
26	uint32_t FirstSectorOfFirstCluster; // First sector of the first cluster of the file.	26	uint32_t FirstSectorOfFirstCluster; // First sector of the first cluster of the file.
27	uint32_t FirstSectorOfCurrCluster; // First sector of the cluster which is edited at the moment.	27	uint32_t FirstSectorOfCurrCluster; // First sector of the cluster which is edited at the moment.
28	uint8_t SectorOfCurrCluster; // The sector within the current cluster.	28	uint8_t SectorOfCurrCluster; // The sector within the current cluster.
29	uint16_t ByteOfCurrSector; // The byte location within the current sector.	29	uint16_t ByteOfCurrSector; // The byte location within the current sector.
30	uint8_t Mode; // Mode of fileoperation (read,write)	30	uint8_t Mode; // Mode of fileoperation (read,write)
31	uint32_t Size; // The size of the opend file in bytes.	31	uint32_t Size; // The size of the opend file in bytes.
32	uint32_t Position; // Pointer to a character within the file 0 < fileposition < filesize	32	uint32_t Position; // Pointer to a character within the file 0 < fileposition < filesize
33	uint32_t DirectorySector; // the sectorposition where the directoryentry has been made.	33	uint32_t DirectorySector; // the sectorposition where the directoryentry has been made.
34	uint16_t DirectoryIndex; // The index to the directoryentry within the specified sector.	34	uint16_t DirectoryIndex; // The index to the directoryentry within the specified sector.
35	uint8_t Attribute; // The attribute of the file opened.	35	uint8_t Attribute; // The attribute of the file opened.
36	uint8_t Cache[BYTES_PER_SECTOR]; // Cache for read and write operation from or to the sd-card.	36	uint8_t Cache[BYTES_PER_SECTOR]; // Cache for read and write operation from or to the sd-card.
37	uint32_t SectorInCache; // The last sector read, which is still in the sector cache.	37	uint32_t SectorInCache; // The last sector read, which is still in the sector cache.
38	uint8_t State; // State of the filepointer (used/unused/...)	38	uint8_t State; // State of the filepointer (used/unused/...)
39	} File_t;	39	} File_t;
40		40
41	//________________________________________________________________________________________________________________________________________	41	//________________________________________________________________________________________________________________________________________
42	//	42	//
43	// API to the FAT16 filesystem	43	// API to the FAT16 filesystem
44	//	44	//
45	//________________________________________________________________________________________________________________________________________	45	//________________________________________________________________________________________________________________________________________
46		46
47	extern uint8_t Fat16_Init(void);	47	extern uint8_t Fat16_Init(void);
48	extern uint8_t Fat16_Deinit(void);	48	extern uint8_t Fat16_Deinit(void);
-		49	extern uint8_t Fat16_IsValid(void);
49		50
50	extern File_t * fopen_(int8_t * const filename, const int8_t mode);	51	extern File_t * fopen_(int8_t * const filename, const int8_t mode);
51	extern int16_t fclose_(File_t *file);	52	extern int16_t fclose_(File_t *file);
52	extern uint8_t fexist_(int8_t * const filename);	53	extern uint8_t fexist_(int8_t * const filename);
53	extern int16_t fflush_(File_t * const file);	54	extern int16_t fflush_(File_t * const file);
54	extern int16_t fseek_(File_t * const file, int32_t offset, int16_t origin);	55	extern int16_t fseek_(File_t * const file, int32_t offset, int16_t origin);
55	extern int16_t fgetc_(File_t * const file);	56	extern int16_t fgetc_(File_t * const file);
56	extern int16_t fputc_(const int8_t c, File_t * const file);	57	extern int16_t fputc_(const int8_t c, File_t * const file);
57	extern uint32_t fread_(void * const buffer, uint32_t size, uint32_t count, File_t * const file);	58	extern uint32_t fread_(void * const buffer, uint32_t size, uint32_t count, File_t * const file);
58	extern uint32_t fwrite_(void buffer, uint32_t size, uint32_t count, File_t file);	59	extern uint32_t fwrite_(void buffer, uint32_t size, uint32_t count, File_t file);
59	extern int16_t fputs_(int8_t * const string, File_t * const file);	60	extern int16_t fputs_(int8_t * const string, File_t * const file);
60	extern int8_t * fgets_(int8_t * const string, const int16_t length, File_t * const file);	61	extern int8_t * fgets_(int8_t * const string, const int16_t length, File_t * const file);
61	extern uint8_t feof_(File_t * const file);	62	extern uint8_t feof_(File_t * const file);
62		63
63		64
64		65
65	#endif //_FAT16_H	66	#endif //_FAT16_H
66		67
67		68
68		69
69		70
70		71