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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_err_to_name_r()

esp_err_to_name_r() function

Returns string for esp_err_t and system error codes This function finds the error code in a pre-generated lookup-table of esp_err_t errors and returns its string representation. If the error code is not found then it is attempted to be found among system errors. The function is generated by the Python script tools/gen_esp_err_to_name.py which should be run each time an esp_err_t error is modified, created or removed from the IDF project.

Syntax

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Summary

Declaration

Definition

from esp_err.h:76

const char *esp_err_to_name_r(esp_err_t code, char *buf, size_t buflen);

Implemented in esp_err_to_name.c:910

Arguments

Argument

Description

code

esp_err_t error code

buf

buffer where the error message should be written

buflen

Size of buffer buf. At most buflen bytes are written into the buf buffer (including the terminating null byte).

Return value

buf containing the string error message

Examples

esp_err_to_name_r() is referenced by 1 libraries and example projects:

ble_spp_client sample

References

from 0/1 examples

Code

Location

const char *esp_err_to_name_r(esp_err_t code, char *buf, size_t buflen)

esp_err_to_name.c:910

const char *esp_err_to_name_r(esp_err_t code, char *buf, size_t buflen);

Call Tree

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Data Use

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esp_err_to_name_r() reads 4 variables:

esp_err_msg_t::code

esp_err_msg_t::msg

esp_err_msg_table

esp_unknown_msg

esp_err_to_name_r()

Class Tree

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Override Tree

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Implementations

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Instances

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Lifecycle

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