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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_attr_desc_t

esp_attr_desc_t struct

Defines an attribute's description. This structure is used to describe an attribute in the GATT database. It includes details such as the UUID of the attribute, its permissions, and its value.

Syntax

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Summary

Declaration

from esp_gatt_defs.h:503

typedef struct { uint16_t uuid_length; uint8_t *uuid_p; uint16_t perm; uint16_t max_length; uint16_t length; uint8_t *value; } esp_attr_desc_t;

Fields

Field

Declared as

Description

esp_attr_desc_t::uuid_length

uint16_t

Length of the UUID in bytes.

esp_attr_desc_t::uuid_p

uint8_t *

Pointer to the UUID value.

esp_attr_desc_t::perm

uint16_t

Attribute permissions, defined by esp_gatt_perm_t.

esp_attr_desc_t::max_length

uint16_t

Maximum length of the attribute's value.

esp_attr_desc_t::length

uint16_t

Current length of the attribute's value.

esp_attr_desc_t::value

uint8_t *

Pointer to the attribute's value array.

References

Code

Location

Scope

Referrer

typedef struct

esp_attr_desc_t att_desc; /*!< The attribute type */

esp_gatt_defs.h:554

esp_gatts_attr_db_t

esp_gatts_attr_db_t::att_desc

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Instances

Instance

Scope

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esp_gatts_attr_db_t::att_desc

esp_gatts_attr_db_t

esp_gatt_defs.h:554

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