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esp-matter/components/esp_matter/esp_matter_attribute_utils.h
2023-11-28 11:15:04 +05:30

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