Zephyr API Documentation 4.0.99
A Scalable Open Source RTOS
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zms.h File Reference
#include <sys/types.h>
#include <zephyr/drivers/flash.h>
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/toolchain.h>

Go to the source code of this file.

Data Structures

struct  zms_fs
 Zephyr Memory Storage file system structure. More...
 

Functions

int zms_mount (struct zms_fs *fs)
 Mount a ZMS file system onto the device specified in fs.
 
int zms_clear (struct zms_fs *fs)
 Clear the ZMS file system from device.
 
ssize_t zms_write (struct zms_fs *fs, uint32_t id, const void *data, size_t len)
 Write an entry to the file system.
 
int zms_delete (struct zms_fs *fs, uint32_t id)
 Delete an entry from the file system.
 
ssize_t zms_read (struct zms_fs *fs, uint32_t id, void *data, size_t len)
 Read an entry from the file system.
 
ssize_t zms_read_hist (struct zms_fs *fs, uint32_t id, void *data, size_t len, uint32_t cnt)
 Read a history entry from the file system.
 
ssize_t zms_get_data_length (struct zms_fs *fs, uint32_t id)
 Gets the length of the data that is stored in an entry with a given ID.
 
ssize_t zms_calc_free_space (struct zms_fs *fs)
 Calculate the available free space in the file system.
 
size_t zms_active_sector_free_space (struct zms_fs *fs)
 Tell how much contiguous free space remains in the currently active ZMS sector.
 
int zms_sector_use_next (struct zms_fs *fs)
 Close the currently active sector and switch to the next one.