nvs_fs Struct Reference

Non-volatile Storage File system structure. More...

#include <zephyr/fs/nvs.h>

Data Fields
off_t	offset
	File system offset in flash.
uint32_t	ate_wra
	Allocation table entry write address.
uint32_t	data_wra
	Data write address.
uint32_t	sector_size
	File system is split into sectors, each sector must be multiple of erase-block-size.
uint16_t	sector_count
	Number of sectors in the file system.
bool	ready
	Flag indicating if the file system is initialized.
struct k_mutex	nvs_lock
	Mutex.
const struct device *	flash_device
	Flash device runtime structure.
const struct flash_parameters *	flash_parameters
	Flash memory parameters structure.

Detailed Description

Non-volatile Storage File system structure.

Field Documentation

ate_wra

uint32_t nvs_fs::ate_wra

Allocation table entry write address.

Addresses are stored as uint32_t:

• high 2 bytes correspond to the sector
• low 2 bytes are the offset in the sector

data_wra

uint32_t nvs_fs::data_wra

Data write address.

flash_device

const struct device* nvs_fs::flash_device

Flash device runtime structure.

flash_parameters

const struct flash_parameters* nvs_fs::flash_parameters

Flash memory parameters structure.

nvs_lock

struct k_mutex nvs_fs::nvs_lock

Mutex.

offset

off_t nvs_fs::offset

File system offset in flash.

ready

bool nvs_fs::ready

Flag indicating if the file system is initialized.

sector_count

uint16_t nvs_fs::sector_count

Number of sectors in the file system.

sector_size

uint32_t nvs_fs::sector_size

File system is split into sectors, each sector must be multiple of erase-block-size.

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The documentation for this struct was generated from the following file:

• zephyr/fs/nvs.h