49 lines
No EOL
1.4 KiB
C
49 lines
No EOL
1.4 KiB
C
#ifndef DRIVE_H
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#define DRIVE_H
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#include <stdbool.h>
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#include <stdint.h>
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typedef uint8_t file_id_t;
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typedef uint8_t fs_id_t;
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typedef uint8_t drive_id_t;
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#define MAX_DRIVES 256
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#define DCI_NAME_LEN 100
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struct directory_content_info {
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char name[DCI_NAME_LEN];
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uint32_t size;
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bool is_dir;
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uint8_t pad[23];
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} __attribute__ ((packed));
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struct drive {
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char *drive_type;
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char *fs_type;
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uint32_t (*read_sectors) (const struct drive *d, uint32_t start, uint32_t count, void *buffer);
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uint32_t (*write_sectors)(const struct drive *d, uint32_t start, uint32_t count, const void *buffer);
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void (*ready) (const struct drive *d);
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void (*done) (const struct drive *d);
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uint32_t n_sectors;
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drive_id_t drive_id;
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file_id_t (*get_file) (const struct drive *d, const char *path);
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void (*free_file) (const struct drive *d, file_id_t fid);
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void (*load_sector) (const struct drive *d, file_id_t fid, uint32_t sector, void *at);
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uint32_t (*get_file_length) (const struct drive *d, file_id_t fid);
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uint32_t (*enumerate_dir) (const struct drive *d, const char *path, struct directory_content_info *info, uint32_t max);
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uint32_t (*n_dir_entries) (const struct drive *d, const char *path);
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uint32_t (*get_free_sectors)(const struct drive *d);
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fs_id_t fs_id;
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};
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extern uint8_t n_drives;
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extern struct drive drives[MAX_DRIVES];
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void init_drives();
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void commit_drive(struct drive data);
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#endif |