Difference between revisions of "IoTGateway/SDK/WirelessSensorNetworkSDK"
(→Sensor Network Manager API Definition) |
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=Abstract= | =Abstract= | ||
− | <div style="margin-left:0cm;margin-right:0cm;">This document defines these Advantech Sensor Network Manager APIs and Sensor Data Format for | + | <div style="margin-left:0cm;margin-right:0cm;">This document defines these Advantech Sensor Network Manager APIs and Sensor Data Format for using in Advantech wireless sensor network device. </div> |
=Overview= | =Overview= | ||
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− | ==Media Types for Sensor Markup Language (SENML)== | + | == Media Types for Sensor Markup Language (SENML) == |
'''Semantics''' | '''Semantics''' | ||
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{| style="border-spacing:0;width:17.009cm;" | {| style="border-spacing:0;width:17.009cm;" | ||
|- style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | |- style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | ||
− | || SenML | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">SenML</span> |
− | || JSON | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">JSON</span> |
− | || Type | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Type</span> |
− | || Description | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Description</span> |
|- | |- | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Base Name</span> | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Base Name</span> | ||
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| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | sv | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | sv | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | String | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | String | ||
− | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | String of the entry |
|- | |- | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Boolean Value | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Boolean Value | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | bv | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | bv | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Boolean | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Boolean | ||
− | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | Boolean of the entry |
|- | |- | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Value Sum | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Value Sum | ||
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| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Integer</span> | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Integer</span> | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Update time. A time in seconds that represents the maximum time before this sensor will provide an updated reading for a measurement.</span> | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">Update time. A time in seconds that represents the maximum time before this sensor will provide an updated reading for a measurement.</span> | ||
− | |||
|} | |} | ||
− | |||
==The Data Type of Sensor Data Type== | ==The Data Type of Sensor Data Type== | ||
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− | ==Advantech Sensor Semantics== | + | == Advantech Sensor Semantics == |
{| style="border-spacing:0;width:17.009cm;" | {| style="border-spacing:0;width:17.009cm;" | ||
|- style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | |- style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | ||
− | + | | SenML | |
− | + | | JSON | |
− | + | | Type | |
− | + | | Description | |
|- | |- | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Min Range Value | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Min Range Value | ||
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| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Integer | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Integer | ||
| style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">The health status of network or device. Range: -1 ~ 100</span> | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | <span style="color:#000000;">The health status of network or device. Range: -1 ~ 100</span> | ||
+ | <span style="color:#000000;">Good: > 80, Average: 60 ~ 80, Below Average: 40~60, Bad:0~40, -1: Off line or Fault</span> | ||
− | |||
|- | |- | ||
− | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Message |
− | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | msg |
− | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | String |
− | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | | + | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | Message for resource |
|- | |- | ||
+ | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | Extension | ||
+ | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | exten | ||
+ | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | String | ||
+ | | style="border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;color:#000000;" | Field for exten | ||
|} | |} | ||
+ | '''Example''' | ||
− | + | <big>{"n":"Room Temp","u":"Cel","v":0,"min":0,"max":100,"asm":"r","type":"d","rt":"ucum.Cel","st":"ipso","exten":"sid=3303"}</big><br/> | |
− | |||
− | <big>{"n":"Room Temp","u":"Cel","v":0,"min":0,"max":100,"asm":"r","type":"d","rt":"ucum.Cel","st":"ipso","exten":"sid=3303"}</big | ||
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=Appendix= | =Appendix= | ||
+ | ==Appendix A:Smart Objects defined by this Technical Guideline== | ||
− | < | + | <br /> |
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{| align="center" style="border-spacing:0;width:14.75cm;" | {| align="center" style="border-spacing:0;width:14.75cm;" | ||
Line 1,029: | Line 367: | ||
+ | ==Appendix B: The Unified Code for Units of Measure (UCUM)== | ||
− | + | <br /> | |
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<div style="text-align:center;">[http://unitsofmeasure.org/ucum.html http://unitsofmeasure.org/ucum.html]</div> | <div style="text-align:center;">[http://unitsofmeasure.org/ucum.html http://unitsofmeasure.org/ucum.html]</div> | ||
Line 1,226: | Line 535: | ||
+ | ==Appendix C: Status Code== | ||
+ | <br /> | ||
− | + | {| align="center" style="border-spacing:0;width:12.021cm;" | |
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|- style="background-color:#eeece1;border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | |- style="background-color:#eeece1;border:0.5pt solid #00000a;padding-top:0cm;padding-bottom:0cm;padding-left:0.199cm;padding-right:0.191cm;" | ||
|| Status Code | || Status Code | ||
Line 1,307: | Line 607: | ||
|} | |} | ||
<div style="text-align:center;">'''Table 3'''</div> | <div style="text-align:center;">'''Table 3'''</div> | ||
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Latest revision as of 10:15, 5 November 2018
Date | Version | Description / Major change |
2015/3/30 | 1.1 | Eric Liang, create draft document |
2015/10/08 | 1.2 | Eric Liang, add Get/Set API |
Abstract
Overview
Introduction
Terminology
This specification makes use of the following additional terminology:
IoT Gateway (IoTGW): It integrates technologies and protocols for networking, embedded control, enterprise-grade security, and easy manageability on which application-specific software can run. Connectivity up to the WISE Cloud and down to sensors and existing controllers embedded in the system. Pre-process filtering and gathering of selected data for delivery.
Sensor Hub (SenHub): A sensor hub is capable of performing some processing, gathering sensory information and communicating with other connected hubs in the network. A sensor hub should be small in size, consume extremely low energy, operate in high volumetric densities, be autonomous and operate unattended, and be adaptive to the environment. As sensor hubs are typically very small electronic devices, they can only be equipped with a limited power source.
Sensor (Sen): Sensor is hardware device that produce a measurable response to a change in a physical condition like temperature or pressure. Sensor measures physical data of the parameter to be monitored.
Resource Type(rt): Each root resource of a function set is assigned a Resource Type parameter, therefore making it possible to discover it. The Resource Type parameter defines the value that MUST be included in the rt= field of the sensor.
IPSO Application Framework
HTTP, REST, XML, JSON, COAP and other key components of web technology are powerful mechanisms in an Internet of Things application.
Note: The objective of the Alliance is not to define technologies, but to document the use of IP-based technologies defined at the standard organizations such as IETF with focus on support by the Alliance of various use cases.
Function Sets: The framework is organized into groups of resource types called Function Sets. A Function Set has a recommended root path, under which its sub-resources are organized. Each Function Set is assigned a Resource Type parameter, therefore making it possible to discover it.
Function Set | Root Path | Resource Type |
General Purpose IO | /gpio | gpio |
Power | /pwr | pwr |
Load Control | /load | load |
Sensors | /sen | sen |
Light Control | /lt | lt |
Message | /msg | msg |
Location | /loc | loc |
Configuration | /cfg | cfg |
IPSO Smart Object
The object model from OMA LWM2M is reused to define application level IPSO Smart Objects. This enables the OMA Name Authority (OMNA) to be used to register new objects, and enables existing LWM2M compliant device libraries and server software to be used as an infrastructure for IPSO Smart Objects
Media Types for Sensor Markup Language (SENML)
Semantics
SenML | JSON | Type | Description |
Base Name | bn | String | This is a string that is prepended to the names found in the entries |
Base Time | bt | Integer | A base time that is added to the time found in an entry |
Base Units | bu | String | A base unit that is assumed for all entries, unless otherwise indicated |
Version | ver | Number | Version number of media type format |
Measurement or Parameters | e | Array | Array of values for sensor measurements or other generic parameters |
Name | n | String | Name of the sensor or parameter |
Units | u | String | Units for a measurement value |
Value | v | Float | Value of the entry |
String Value | sv | String | String of the entry |
Boolean Value | bv | Boolean | Boolean of the entry |
Value Sum | s | Float | Integrated sum of the values over time |
Time | t | Integer | Time when value was recorded |
Update Time | ut | Integer | Update time. A time in seconds that represents the maximum time before this sensor will provide an updated reading for a measurement. |
The Data Type of Sensor Data Type
Data Type (type) | SenML Field |
b (boolean) | bv |
s (string) | s |
e (enum) | e |
i (integer) | v |
d (decimal) | v |
h(hexadecimal) | s |
o(octet-stream) | s |
Advantech Sensor Semantics
SenML | JSON | Type | Description |
Min Range Value | min | Float | The minimum value that can be measured by the sensor |
Max Range Value | max | Float | The maximum value that can be measured by the sensor |
Access Mode | asm | String | The access mode of the resource. Ex: read (r), write (w), read/write (rw) |
Standard Format | st | String | The sensor format is which standard format |
Health Status | Health | Integer | The health status of network or device. Range: -1 ~ 100
Good: > 80, Average: 60 ~ 80, Below Average: 40~60, Bad:0~40, -1: Off line or Fault |
Message | msg | String | Message for resource |
Extension | exten | String | Field for exten |
Example
{"n":"Room Temp","u":"Cel","v":0,"min":0,"max":100,"asm":"r","type":"d","rt":"ucum.Cel","st":"ipso","exten":"sid=3303"}
Appendix
Appendix A:Smart Objects defined by this Technical Guideline
Object | Object ID | Multiple Instances? |
IPSO Digital Input | 3200 | Yes |
IPSO Digital Output | 3201 | Yes |
IPSO Analogue Input | 3202 | Yes |
IPSO Analogue Output | 3203 | Yes |
IPSO Generic Sensor | 3300 | Yes |
IPSO Illuminance Sensor | 3301 | Yes |
IPSO Presence Sensor | 3302 | Yes |
IPSO Temperature Sensor | 3303 | Yes |
IPSO Humidity Sensor | 3304 | Yes |
IPSO Power Measurement | 3305 | Yes |
IPSO Actuation | 3306 | Yes |
IPSO Set Point | 3308 | Yes |
IPSO Load Control | 3310 | Yes |
IPSO Light Control | 3311 | Yes |
IPSO Accelerometer | 3313 | Yes |
IPSO Magnetometer | 3314 | Yes |
IPSO Barometer | 3315 | Yes |
Appendix B: The Unified Code for Units of Measure (UCUM)
Symbol | Description |
m | meter |
kg | kilogram |
s | second |
A | ampere |
K | kelvin |
cd | candela |
mol | mole |
Hz | hertz |
rad | radian |
sr | steradian |
N | newton |
Pa | pascal |
J | joule |
W | watt |
C | coulomb |
V | volt |
F | farad |
Ohm | ohm |
S | siemens |
Wb | weber |
T | tesla |
H | henry |
Cel | degrees Celsius |
lm | lumen |
lx | lux |
Bq | becquerel |
Gy | gray |
Sv | sievert |
kat | katal |
pH | pH acidity |
% | Value of a switch. A value of 0.0 indicates the switch is off while 100.0 indicates on. |
count | counter value |
%RH | Relative Humidity |
m2 | area |
l | volume in liters |
m/s | velocity |
m/s2 | acceleration |
l/s | flow rate in liters per second |
W/m2 | irradiance |
cd/m2 | luminance |
Bspl | bel sound pressure level |
bit/s | bits per second |
lat | degrees latitude. Assumed to be in WGS84 unless another reference frame is known for the sensor. |
lon | degrees longitude. Assumed to be in WGS84 unless another reference frame is known for the sensor. |
%EL | remaining battery energy level in percents |
EL | remaining battery energy level in seconds |
beet/m | Heart rate in beets per minute |
beets | Cumulative number of heart beats |
h | Hour. |
Appendix C: Status Code
Status Code | Description |
200 | OK |
201 | Created |
202 | Accepted |
203 | Non-Authoritative Information |
204 | No Content |
400 | Bad Request |
401 | Unauthorized |
403 | Forbidden |
404 | Not Found |
405 | Method Not Allowed |
406 | Not Acceptable |
408 | Request Timeout |
409 | Conflict |
410 | Resource is Gone |
415 | Unsupported Media Type |
416 | Requested Range Not Satisfiable |
426 | Locked |
500 | Internal Server Error |
501 | Not Implemented |
503 | Service Unavailable |
Reference
[1] IPSO Alliance: http://www.ipso-alliance.org/
[2] IPSO Smart Object: IPSO-Smart-Objects-1.0.pdf
[3] SenML: https://datatracker.ietf.org/doc/draft-jennings-senml/
[4] UCUM: http://unitsofmeasure.org/trac/
[5] JavaScript Object Notation (JSON) http://json.org/