data_serializer.h File Reference

#include "esp_err.h"
#include "esp_log.h"
#include "general/node_cfg.h"
#include "nvs.h"
#include "nvs_flash.h"
#include <inttypes.h>

Include dependency graph for data_serializer.h:

Go to the source code of this file.

Functions
int	save_slave_data (char *data, size_t data_size)
	Save slave data to NVS.
int	load_slave_data (char *data, size_t data_size)
	Load slave data from NVS.
int	reset_node_data (void)
	Reset (clear) node data in NVS.

Function Documentation

load_slave_data()

int load_slave_data	(	char *	data,
		size_t	data_size
	)

Load slave data from NVS.

Reads from NVS into the provided buffer. Buffer must be at least data_size bytes.

Parameters

data	Output buffer for loaded data
data_size	Size of buffer / expected data size

Returns

ESP_OK on success, error code otherwise

reset_node_data()

int reset_node_data

(

void

)

Reset (clear) node data in NVS.

Removes persisted slave data. Use after factory reset or re-registration.

Returns

ESP_OK on success, error code otherwise

save_slave_data()

int save_slave_data	(	char *	data,
		size_t	data_size
	)

Save slave data to NVS.

Serializes the given data and writes to NVS. Data size must match expected node layout.

Parameters

data	Pointer to data to save (e.g. serialized slave_data)
data_size	Size in bytes

Returns

ESP_OK on success, error code otherwise