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| Rev | Author | Line No. | Line |
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| 41 | ingob | 1 | #ifndef _FAT16_H |
| 2 | #define _FAT16_H |
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| 1 | ingob | 3 | |
| 4 | |||
| 5 | //________________________________________________________________________________________________________________________________________ |
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| 6 | // |
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| 41 | ingob | 7 | // Definitions |
| 1 | ingob | 8 | // |
| 9 | //________________________________________________________________________________________________________________________________________ |
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| 10 | |||
| 41 | ingob | 11 | //#define __USE_TIME_DATE_ATTRIBUTE |
| 211 | killagreg | 12 | #define FILE_MAX_OPEN 4 // The number of files that can accessed simultaneously. |
| 41 | ingob | 13 | #define SEEK_SET 0 |
| 14 | #define SEEK_CUR 1 |
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| 15 | #define SEEK_END 2 |
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| 16 | #define EOF (-1) |
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| 17 | #define BYTES_PER_SECTOR 512 |
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| 18 | /* |
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| 19 | ________________________________________________________________________________________________________________________________________ |
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| 20 | |||
| 21 | Structure of a filepointer |
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| 22 | ________________________________________________________________________________________________________________________________________ |
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| 23 | */ |
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| 24 | typedef struct |
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| 24 | StephanB | 25 | { |
| 41 | ingob | 26 | u32 FirstSectorOfFirstCluster; // First sector of the first cluster of the file. |
| 27 | u32 FirstSectorOfCurrCluster; // First sector of the cluster which is edited at the moment. |
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| 28 | u8 SectorOfCurrCluster; // The sector within the current cluster. |
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| 29 | u16 ByteOfCurrSector; // The byte location within the current sector. |
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| 30 | u8 Mode; // Mode of fileoperation (read,write) |
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| 31 | u32 Size; // The size of the opend file in bytes. |
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| 32 | u32 Position; // Pointer to a character within the file 0 < fileposition < filesize |
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| 33 | u32 DirectorySector; // the sectorposition where the directoryentry has been made. |
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| 34 | u16 DirectoryIndex; // The index to the directoryentry within the specified sector. |
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| 35 | u8 Attribute; // The attribute of the file opened. |
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| 36 | u8 Cache[BYTES_PER_SECTOR]; // Cache for read and write operation from or to the sd-card. |
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| 37 | u32 SectorInCache; // The last sector read, which is still in the sector cache. |
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| 38 | u8 State; // State of the filepointer (used/unused/...) |
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| 39 | } File_t; |
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| 1 | ingob | 40 | |
| 41 | //________________________________________________________________________________________________________________________________________ |
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| 42 | // |
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| 43 | // API to the FAT16 filesystem |
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| 44 | // |
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| 45 | //________________________________________________________________________________________________________________________________________ |
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| 46 | |||
| 41 | ingob | 47 | u8 Fat16_Init(void); |
| 48 | u8 Fat16_Deinit(void); |
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| 90 | killagreg | 49 | u8 Fat16_IsValid(void); |
| 210 | killagreg | 50 | s8* FAT16_GetVolumeLabel(void); |
| 89 | killagreg | 51 | |
| 52 | File_t *fopen_(s8 * const filename, const s8 mode); |
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| 41 | ingob | 53 | s16 fclose_(File_t *file); |
| 89 | killagreg | 54 | u8 fexist_(s8 * const filename); |
| 55 | s16 fflush_(File_t * const file); |
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| 56 | s16 fseek_(File_t * const file, s32 offset, s16 origin); |
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| 57 | s16 fgetc_(File_t * const file); |
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| 58 | s16 fputc_(s8 c, File_t * const file); |
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| 59 | u32 fread_(void *buffer, u32 size, u32 count, File_t * const file); |
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| 60 | u32 fwrite_(void *buffer, u32 size, u32 count, File_t * const file); |
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| 90 | killagreg | 61 | s16 fputs_(s8 * const string, File_t * const file); |
| 89 | killagreg | 62 | s8 * fgets_(s8 * const string, s16 length, File_t * const file); |
| 63 | u8 feof_(File_t * const file); |
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| 1 | ingob | 64 | |
| 24 | StephanB | 65 | |
| 66 | |||
| 41 | ingob | 67 | #endif //_FAT16_H |
| 1 | ingob | 68 | |
| 69 | |||
| 70 | |||
| 71 |