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https://github.com/espressif/esp-matter.git
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409 lines
14 KiB
C++
409 lines
14 KiB
C++
// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <esp_err.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <app/data-model/Nullable.h>
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/** Remap attribute values
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*
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* This can be used to remap attribute values to different ranges.
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* Example: To convert the brightness value (0-255) into brightness percentage (0-100) and vice-versa.
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*/
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#define REMAP_TO_RANGE(value, from, to) ((value * to) / from)
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/** Remap attribute values with inverse dependency
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*
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* This can be used to remap attribute values with inverse dependency to different ranges.
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* Example: To convert the temperature mireds into temperature kelvin and vice-versa where the relation between them
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* is: Mireds = 1,000,000/Kelvin.
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*/
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#define REMAP_TO_RANGE_INVERSE(value, factor) (factor / (value ? value : 1))
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/* Nullable base for nullable attribute */
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#define ESP_MATTER_VAL_NULLABLE_BASE 0x80
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/** ESP Matter Attribute Value type */
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typedef enum {
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/** Invalid */
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ESP_MATTER_VAL_TYPE_INVALID = 0,
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/** Boolean */
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ESP_MATTER_VAL_TYPE_BOOLEAN = 1,
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/** Integer. Mapped to a 32 bit signed integer */
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ESP_MATTER_VAL_TYPE_INTEGER = 2,
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/** Floating point number */
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ESP_MATTER_VAL_TYPE_FLOAT = 3,
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/** Array Eg. [1,2,3] */
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ESP_MATTER_VAL_TYPE_ARRAY = 4,
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/** Char String Eg. "123", Max length 0xFE */
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ESP_MATTER_VAL_TYPE_CHAR_STRING = 5,
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/** Octet String Eg. [0x01, 0x20], Max length 0xFE */
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ESP_MATTER_VAL_TYPE_OCTET_STRING = 6,
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/** 8 bit signed integer */
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ESP_MATTER_VAL_TYPE_INT8 = 7,
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/** 8 bit unsigned integer */
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ESP_MATTER_VAL_TYPE_UINT8 = 8,
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/** 16 bit signed integer */
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ESP_MATTER_VAL_TYPE_INT16 = 9,
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/** 16 bit unsigned integer */
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ESP_MATTER_VAL_TYPE_UINT16 = 10,
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/** 32 bit signed integer */
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ESP_MATTER_VAL_TYPE_INT32 = 11,
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/** 32 bit unsigned integer */
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ESP_MATTER_VAL_TYPE_UINT32 = 12,
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/** 64 bit signed integer */
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ESP_MATTER_VAL_TYPE_INT64 = 13,
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/** 64 bit unsigned integer */
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ESP_MATTER_VAL_TYPE_UINT64 = 14,
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/** 8 bit enum */
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ESP_MATTER_VAL_TYPE_ENUM8 = 15,
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/** 8 bit bitmap */
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ESP_MATTER_VAL_TYPE_BITMAP8 = 16,
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/** 16 bit bitmap */
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ESP_MATTER_VAL_TYPE_BITMAP16 = 17,
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/** 32 bit bitmap */
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ESP_MATTER_VAL_TYPE_BITMAP32 = 18,
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/** 16 bit enum */
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ESP_MATTER_VAL_TYPE_ENUM16 = 19,
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/** Long Char String, Max length 0xFFFE **/
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ESP_MATTER_VAL_TYPE_LONG_CHAR_STRING = 20,
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/** Long Octet String, Max length 0xFFFE **/
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ESP_MATTER_VAL_TYPE_LONG_OCTET_STRING = 21,
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/** nullable types **/
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ESP_MATTER_VAL_TYPE_NULLABLE_BOOLEAN = ESP_MATTER_VAL_TYPE_BOOLEAN + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_INTEGER = ESP_MATTER_VAL_TYPE_INTEGER + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_FLOAT = ESP_MATTER_VAL_TYPE_FLOAT + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_INT8 = ESP_MATTER_VAL_TYPE_INT8 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_UINT8 = ESP_MATTER_VAL_TYPE_UINT8 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_INT16 = ESP_MATTER_VAL_TYPE_INT16 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_UINT16 = ESP_MATTER_VAL_TYPE_UINT16 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_INT32 = ESP_MATTER_VAL_TYPE_INT32 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_UINT32 = ESP_MATTER_VAL_TYPE_UINT32 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_INT64 = ESP_MATTER_VAL_TYPE_INT64 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_UINT64 = ESP_MATTER_VAL_TYPE_UINT64 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_ENUM8 = ESP_MATTER_VAL_TYPE_ENUM8 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_BITMAP8 = ESP_MATTER_VAL_TYPE_BITMAP8 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_BITMAP16 = ESP_MATTER_VAL_TYPE_BITMAP16 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_BITMAP32= ESP_MATTER_VAL_TYPE_BITMAP32 + ESP_MATTER_VAL_NULLABLE_BASE,
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ESP_MATTER_VAL_TYPE_NULLABLE_ENUM16 = ESP_MATTER_VAL_TYPE_ENUM16 + ESP_MATTER_VAL_NULLABLE_BASE,
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} esp_matter_val_type_t;
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/** ESP Matter Value */
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typedef union {
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/** Boolean */
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bool b;
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/** Integer */
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int i;
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/** Float */
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float f;
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/** 8 bit signed integer */
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int8_t i8;
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/** 8 bit unsigned integer */
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uint8_t u8;
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/** 16 bit signed integer */
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int16_t i16;
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/** 16 bit unsigned integer */
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uint16_t u16;
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/** 32 bit signed integer */
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int32_t i32;
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/** 32 bit unsigned integer */
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uint32_t u32;
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/** 64 bit signed integer */
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int64_t i64;
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/** 64 bit unsigned integer */
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uint64_t u64;
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/** Array */
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struct {
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/** Buffer */
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uint8_t *b;
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/** Data size */
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uint16_t s;
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/** Data count */
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uint16_t n;
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/** Total size */
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uint16_t t;
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} a;
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/** Pointer */
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void *p;
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} esp_matter_val_t;
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/** ESP Matter Attribute Value */
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typedef struct {
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/** Type of Value */
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esp_matter_val_type_t type;
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/** Actual value. Depends on the type */
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esp_matter_val_t val;
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} esp_matter_attr_val_t;
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/** ESP Matter Attribute Bounds */
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typedef struct esp_matter_attr_bounds {
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/** Minimum Value */
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esp_matter_attr_val_t min;
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/** Maximum Value */
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esp_matter_attr_val_t max;
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/** TODO: Step Value might be needed here later */
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} esp_matter_attr_bounds_t;
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template <typename T>
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class nullable {
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/** NOTE: GetNullValue is taken from src/app/util/attribute-storage-null-handling.h */
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private:
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template <typename U = T, typename std::enable_if_t<std::is_floating_point<U>::value, int> = 0>
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static constexpr T GetNullValue()
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{
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return std::numeric_limits<T>::quiet_NaN();
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}
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template <typename U = T, typename std::enable_if_t<std::is_integral<U>::value, int> = 0>
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static constexpr T GetNullValue()
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{
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return std::is_signed<T>::value ? std::numeric_limits<T>::min() : std::numeric_limits<T>::max();
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}
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template <typename U = T, typename std::enable_if_t<std::is_enum<U>::value, int> = 0>
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static constexpr T GetNullValue()
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{
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static_assert(!std::is_signed<std::underlying_type_t<T>>::value, "Enums must be unsigned");
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return static_cast<T>(std::numeric_limits<std::underlying_type_t<T>>::max());
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}
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public:
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nullable(T value)
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{
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if (chip::app::NumericAttributeTraits<T>::IsNullValue(value)) {
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chip::app::NumericAttributeTraits<T>::SetNull(val);
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} else {
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val = value;
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}
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}
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nullable()
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{
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chip::app::NumericAttributeTraits<T>::SetNull(val);
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}
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T value()
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{
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if (is_null()) {
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return GetNullValue();
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} else {
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return val;
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}
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}
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T value_or(T ret)
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{
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return is_null() ? ret : val;
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}
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bool is_null()
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{
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return chip::app::NumericAttributeTraits<T>::IsNullValue(val);
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}
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void operator=(T value)
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{
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if (chip::app::NumericAttributeTraits<T>::IsNullValue(value)) {
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chip::app::NumericAttributeTraits<T>::SetNull(this->val);
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} else {
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this->val = value;
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}
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}
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void operator=(std::nullptr_t)
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{
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chip::app::NumericAttributeTraits<T>::SetNull(this->val);
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}
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private:
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T val;
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};
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/*** Attribute val APIs ***/
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/** Invalid */
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esp_matter_attr_val_t esp_matter_invalid(void *val);
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/** Boolean */
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esp_matter_attr_val_t esp_matter_bool(bool val);
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esp_matter_attr_val_t esp_matter_nullable_bool(nullable<bool> val);
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/** Integer */
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esp_matter_attr_val_t esp_matter_int(int val);
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esp_matter_attr_val_t esp_matter_nullable_int(nullable<int> val);
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/** Float */
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esp_matter_attr_val_t esp_matter_float(float val);
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esp_matter_attr_val_t esp_matter_nullable_float(nullable<float> val);
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/** 8 bit integer */
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esp_matter_attr_val_t esp_matter_int8(int8_t val);
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esp_matter_attr_val_t esp_matter_nullable_int8(nullable<int8_t> val);
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/** 8 bit unsigned integer */
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esp_matter_attr_val_t esp_matter_uint8(uint8_t val);
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esp_matter_attr_val_t esp_matter_nullable_uint8(nullable<uint8_t> val);
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/** 16 bit signed integer */
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esp_matter_attr_val_t esp_matter_int16(int16_t val);
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esp_matter_attr_val_t esp_matter_nullable_int16(nullable<int16_t> val);
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/** 16 bit unsigned integer */
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esp_matter_attr_val_t esp_matter_uint16(uint16_t val);
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esp_matter_attr_val_t esp_matter_nullable_uint16(nullable<uint16_t> val);
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/** 32 bit signed integer */
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esp_matter_attr_val_t esp_matter_int32(int32_t val);
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esp_matter_attr_val_t esp_matter_nullable_int32(nullable<int32_t> val);
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/** 32 bit unsigned integer */
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esp_matter_attr_val_t esp_matter_uint32(uint32_t val);
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esp_matter_attr_val_t esp_matter_nullable_uint32(nullable<uint32_t> val);
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/** 64 bit signed integer */
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esp_matter_attr_val_t esp_matter_int64(int64_t val);
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esp_matter_attr_val_t esp_matter_nullable_int64(nullable<int64_t> val);
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/** 64 bit unsigned integer */
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esp_matter_attr_val_t esp_matter_uint64(uint64_t val);
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esp_matter_attr_val_t esp_matter_nullable_uint64(nullable<uint64_t> val);
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/** 8 bit enum */
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esp_matter_attr_val_t esp_matter_enum8(uint8_t val);
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esp_matter_attr_val_t esp_matter_nullable_enum8(nullable<uint8_t> val);
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/** 16 bit enum */
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esp_matter_attr_val_t esp_matter_enum16(uint16_t val);
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esp_matter_attr_val_t esp_matter_nullable_enum16(nullable<uint16_t> val);
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/** 8 bit bitmap */
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esp_matter_attr_val_t esp_matter_bitmap8(uint8_t val);
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esp_matter_attr_val_t esp_matter_nullable_bitmap8(nullable<uint8_t> val);
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/** 16 bit bitmap */
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esp_matter_attr_val_t esp_matter_bitmap16(uint16_t val);
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esp_matter_attr_val_t esp_matter_nullable_bitmap16(nullable<uint16_t> val);
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/** 32 bit bitmap */
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esp_matter_attr_val_t esp_matter_bitmap32(uint32_t val);
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esp_matter_attr_val_t esp_matter_nullable_bitmap32(nullable<uint32_t> val);
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/** Character string */
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esp_matter_attr_val_t esp_matter_char_str(char *val, uint16_t data_size);
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esp_matter_attr_val_t esp_matter_long_char_str(char *val, uint16_t data_size);
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/** Octet string */
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esp_matter_attr_val_t esp_matter_octet_str(uint8_t *val, uint16_t data_size);
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esp_matter_attr_val_t esp_matter_long_octet_str(uint8_t *val, uint16_t data_size);
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/** Array */
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esp_matter_attr_val_t esp_matter_array(uint8_t *val, uint16_t data_size, uint16_t count);
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namespace esp_matter {
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namespace attribute {
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/** Attribute update callback type */
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typedef enum callback_type {
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/** Callback before updating the value in the database */
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PRE_UPDATE,
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/** Callback after updating the value in the database */
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POST_UPDATE,
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/** Callback for reading the attribute value. This is used when the `ATTRIBUTE_FLAG_OVERRIDE` is set. */
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READ,
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/** Callback for writing the attribute value. This is used when the `ATTRIBUTE_FLAG_OVERRIDE` is set. */
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WRITE,
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} callback_type_t;
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/** Callback for attribute update
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*
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* @note If the callback type is `PRE_UPDATE` and an error is returned from the callback, the attribute will
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* not be updated.
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*
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* @param[in] type callback type.
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* @param[in] endpoint_id Endpoint ID of the attribute.
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* @param[in] cluster_id Cluster ID of the attribute.
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* @param[in] attribute_id Attribute ID of the attribute.
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* @param[in] val Pointer to `esp_matter_attr_val_t`. Use appropriate elements as per the value type.
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* @param[in] priv_data Pointer to the private data passed while creating the endpoint.
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*
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* @return ESP_OK on success.
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* @return error in case of failure.
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*/
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typedef esp_err_t (*callback_t)(callback_type_t type, uint16_t endpoint_id, uint32_t cluster_id, uint32_t attribute_id,
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esp_matter_attr_val_t *val, void *priv_data);
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/** Set attribute callback
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*
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* Set the common attribute update callback. Whenever an attribute managed by the application is updated, the callback
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* will be called with the appropriate `callback_type_t`.
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*
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* @param[in] callback attribute update callback.
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*
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* @return ESP_OK on success.
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* @return error in case of failure.
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*/
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esp_err_t set_callback(callback_t callback);
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/** Attribute update
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*
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* This API updates the attribute value.
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* After this API is called, the application gets the attribute update callback with `PRE_UPDATE`, then the
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* attribute is updated in the database, then the application get the callback with `POST_UPDATE`.
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*
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* @param[in] endpoint_id Endpoint ID of the attribute.
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* @param[in] cluster_id Cluster ID of the attribute.
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* @param[in] attribute_id Attribute ID of the attribute.
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* @param[in] val Pointer to `esp_matter_attr_val_t`. Appropriate elements should be used as per the value type.
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*
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* @return ESP_OK on success.
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* @return error in case of failure.
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*/
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esp_err_t update(uint16_t endpoint_id, uint32_t cluster_id, uint32_t attribute_id, esp_matter_attr_val_t *val);
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/** Attribute report
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*
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* This API reports the attribute value.
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* After this API is called, the application doesn't gets the attribute update callback with `PRE_UPDATE` or `POST_UPDATE`, the
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* attribute is updated in the database.
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*
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* @param[in] endpoint_id Endpoint ID of the attribute.
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* @param[in] cluster_id Cluster ID of the attribute.
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* @param[in] attribute_id Attribute ID of the attribute.
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* @param[in] val Pointer to new value to report, of type `esp_matter_attr_val_t`. Appropriate elements should be used as per the value type.
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*
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* @return ESP_OK on success.
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* @return error in case of failure.
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*/
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esp_err_t report(uint16_t endpoint_id, uint32_t cluster_id, uint32_t attribute_id, esp_matter_attr_val_t *val);
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/** Attribute value print
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*
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* This API prints the attribute value according to the type.
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*
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* @param[in] endpoint_id Endpoint ID of the attribute.
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* @param[in] cluster_id Cluster ID of the attribute.
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* @param[in] attribute_id Attribute ID of the attribute.
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* @param[in] val Pointer to `esp_matter_attr_val_t`. Appropriate elements should be used as per the value type.
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* @param[in] is_read Boolean variable to indicate read or write for attributes.
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*/
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void val_print(uint16_t endpoint_id, uint32_t cluster_id, uint32_t attribute_id, esp_matter_attr_val_t *val, bool is_read);
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} /* attribute */
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} /* esp_matter */
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