wl_read() function

Read data from the WL storage

Syntax

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Summary

Declaration

Definition

from wear_levelling.h:105

esp_err_t wl_read(wl_handle_t handle, size_t src_addr, void *dest, size_t size);

Implemented in wear_levelling.cpp:218

Arguments

Argument

Description

handle

WL module instance that was initialized before

src_addr

Address of the data to be read, relative to the beginning of the partition.

dest

Pointer to the buffer where data should be stored. The Pointer must be non-NULL and the buffer must be at least 'size' bytes long.

size

Size of data to be read, in bytes.

Return value

- ESP_OK, if data was read successfully; - ESP_ERR_INVALID_ARG, if src_offset exceeds partition size; - ESP_ERR_INVALID_SIZE, if read would go out of bounds of the partition; - or one of error codes from lower-level flash driver.

Examples

wl_read() is referenced by 2 libraries and example projects:

References

from examples

wl_read() function

Syntax

Arguments

Return value

Examples

References

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