"蓝牙mesh组网设备属性介绍 v2：Bluetooth官方文档详解"

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The "MeshDeviceProperties_v2.docx" is a document that outlines the Bluetooth Mesh group's specifications for device properties. This document, which is a revision dated September 15, 2020, contains definitions of device properties that are necessary for the implementation of the Bluetooth Mesh Profile and Bluetooth Mesh Model specifications. The Mesh Device Properties specification is essential for the proper functioning of Bluetooth Mesh network devices. It is crucial for ensuring that devices within the network are interoperable and can communicate effectively with each other. The specification is constantly updated to meet the evolving needs of the Bluetooth Mesh technology, and the document provides a detailed revision history to track the changes and improvements made over time. The Bluetooth Mesh technology is widely used in various applications, including smart home automation, industrial IoT, and lighting control. Therefore, the Mesh Device Properties specification plays a crucial role in ensuring that devices from different manufacturers can seamlessly work together within the Bluetooth Mesh network, providing a standardized and reliable solution for IoT connectivity. Overall, the "MeshDeviceProperties_v2.docx" provides a comprehensive overview of the device properties required for Bluetooth Mesh devices and serves as a valuable resource for manufacturers, developers, and engineers working on Bluetooth Mesh technology. It is an essential component in the development and implementation of Bluetooth Mesh networks, and its thoroughness and attention to detail make it a key document in the ongoing evolution of Bluetooth Mesh technology.

Mesh Device Properties / Specification

Field n xxx 1 Placed on MSO

Table 2.1: Byte ordering example table

Bluetooth SIG Proprietary Page 11 of 61

Mesh Device Properties / Specification

3 Properties

3.1 Ambient Temperature property group

This category contains the property definitions related to the air temperature surrounding a sensor or a

device.

3.1.1 Average Ambient Temperature In A Period Of Day property

This property represents an average ambient temperature measured over a period of time during the day.

This property can be used to update a column in a histogram. The first value is the average ambient

temperature as measured during a period of time, the second value is the start of the period, and the third

value is the end of the period.

A period of time is represented with a unit of decihour (1/10th of an hour, or 6 minutes); a start time of 0

corresponds to midnight (local time), and the maximum value for the end time is 240. The values reported

represent the most recent measured average values for the periods in the past 24 hours. For example, if

the current time is 11:00, and an average is reported for a time period with a start value of 115 and with

an end value of 116 (corresponding to a time period from 11:30 to 11:36), that measurement represents

the average temperature of that time period during the previous day. This property does not distinguish

between indoor and outdoor ambient temperatures. Typically, the use context is derived from the device

location properties.

Characteristic: Temperature 8 In A Period Of Day

3.1.2 Indoor Ambient Temperature Statistical Values property

This property represents the most recent average, standard deviation, and minimum and maximum

values for a set of measured ambient indoor temperatures, and the period of time over which the

measurements were taken.

Characteristic: Temperature 8 Statistics

3.1.3 Outdoor Statistical Values property

This property represents the most recent average, standard deviation, and minimum and maximum

values for a set measured ambient outdoor temperatures, and the period of time over which the

measurements were taken.

Characteristic: Temperature 8 Statistics

3.1.4 Present Ambient Temperature property

This property represents an ambient air temperature as measured by a temperature sensor. This property

does not distinguish between indoor or outdoor temperature. This context is derived from the location of

the element when this property is used, for example, by using the device location properties. This

property can be used if a temperature sensor can be used both indoors and outdoors.

Characteristic: Temperature 8

Bluetooth SIG Proprietary Page 12 of 61

Mesh Device Properties / Specification

3.1.5 Present Indoor Ambient Temperature property

This property represents an indoor ambient air temperature as measured by a temperature sensor. This

property is typically used for indoor sensors, and is not intended for outdoor use. Characteristic:

Temperature 8

3.1.6 Present Outdoor Ambient Temperature property

This property represents an outdoor ambient air temperature as measured by a temperature sensor. This

property is typically for outdoor sensors, and is not intended to be used for indoor sensors. Characteristic:

Temperature 8

3.1.7 Desired Ambient Temperature property

This property represents a desired ambient air temperature as set on a temperature control such as a

user-controlled dial. This property does not distinguish between indoor or outdoor temperature. This

context is derived from the location of the element when this property is used, by using the device

location properties, for example. Characteristic: Temperature 8

3.1.8 Precise Present Ambient Temperature device property

This property represents precise ambient air temperature as measured by a temperature sensor. This

property does not distinguish between indoor or outdoor temperature. This context is derived from the

location of the element when this property is used, for example, by using the device location properties.

This property can be used if a temperature sensor can be used both indoors and outdoors. Characteristic:

Temperature

3.2 Device Operating Temperature property group

This category contains the definitions of properties related to the operating temperature of a device.

These properties can, for example, be used to monitor the temperature of an LED fixture or a refrigerator.

3.2.1 Device Operating Temperature Range Specification property

This property represents the minimum and maximum operating temperatures for the element. These

parameters are used to detect under and over temperature events. Characteristic: Temperature

Range

3.2.2 Device Operating Temperature Statistical Values property

This property represents the average, standard deviation, minimum, and maximum operating

temperatures and the data recording period as recorded by a temperature sensor. The most recent

values are reported. If a value of 0 is reported for the data recording period, the statistical values apply to

all the measurements taken by the sensor over its lifetime. These lifetime values for the operating

temperature of an LED fixture can be used to predict the remaining lifetime of the fixture, which is strongly

dependent on the operating temperature.

Bluetooth SIG Proprietary Page 13 of 61

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