Wiesner András
d7a5a49394
- FAT32 file system driver is defined - Automount implemented - Unified file operations implemented - File listing implemented
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#ifndef EMBPART_MOUNT_H
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#define EMBPART_MOUNT_H
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#include <stdint.h>
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#include "../MassStorage.h"
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#include "../fs/fs_driver.h"
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#define MNT_MAX_MOUNTED_VOLUMES (4)
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#define MNT_MAX_MOUNT_NAME_LENGTH (15)
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#define MNT_CTRL_BLOCK_PREALLOC_SIZE (64)
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#define MNT_MAX_OPEN_FILES (6)
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#define MNT_FILE_HELPER_PREALLOC_SIZE (47)
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typedef struct {
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uint32_t part_size; // partition size
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char mnt_name[MNT_MAX_MOUNT_NAME_LENGTH + 1]; // name of the mount
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Fs_Driver driver; // file system driver
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uint8_t fs_control_block_area[MNT_CTRL_BLOCK_PREALLOC_SIZE]; // pointer to file system control block
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} Mnt_Volume;
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typedef struct {
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Mnt_Volume vols[MNT_MAX_MOUNTED_VOLUMES]; // volume slots
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uint8_t mounted_vols; // number of mounted volumes
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} Mnt_MountTable;
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typedef struct {
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Mnt_Volume * vol; // pointer to volume
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uint8_t helper[MNT_FILE_HELPER_PREALLOC_SIZE]; // pointer to helper object
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uint8_t ctrl_word; // control word
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} Mnt_File;
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typedef struct {
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Mnt_File files[MNT_MAX_OPEN_FILES]; // file helpers
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} Mnt_FileTable;
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int mnt_automount_disk(MassStorage * mstg); // attempt to automount volumes
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void mnt_list(const char * dir);
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Mnt_File * mnt_open(const char * path);
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int mnt_read(Mnt_File * file, unsigned long len, void * buf);
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int mnt_seek(Mnt_File * file, unsigned long pos);
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void mnt_close(Mnt_File * file);
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#endif //EMBPART_MOUNT_H
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