IoTGateway/Node-Red

Advantech implements some Node-RED nodes for better development experience.

Node-RED for Alljoyn

We plan to provide three kinds of Node-RED nodes for Alljoyn feature.

Action Handler
Event Reader & Rule Engine
ControlPanel Client

Installation

You can install the node-red-contrib-alljoyn via NPM, or download it on GitHub.

Usage

Please refer to README.

Demo

Alljoyn ControlPanel and Action on Node-RED Demo

Node-RED for WSN

Wireless Sensor Network (WSN) is supported on Advantech IoT Gateway and all provided features are basically described by REST API respectively. For users to quickly access the WSN features and build the prototype control flow of application before knowing the detailed REST API manipulation and programming, we provide the following Node-RED nodes to easily read the information and access functions of WSN on Advantech IoT Gateway.

wsn-gw
wsn-senhub

Usage

In the browser, enter Advantech IoT Gateway's IP address with Node-RED port 1880 to open Node-RED web page.
On the left of the page, scroll down to find wsn-related nodes in Advantech section as depicted below.
Drag and drop wsn-related nodes into Sheet to start building control flow.

wsn-gw Node

Node to get the information and set functions of a Advantech WSN gateway platform, triggered by an input message. Outputs a msg with msg.payload containing the JSON description of reading or result. During configuration, it will automatically detect available options for Network, Category, and Attribute in real time.

Configuration

Drag and drop wsn-gw node into Sheet
Double click on the node to open Edit wsn-gw Node window for configuration as below
Start from the top item in the window, it will automatically detect and list the available options currently.

Items in Edit Window

Operation : Get or Set
Net Type : Supported network types on the platform
Net ID : List of available network interfaces of selected Net Type above. Options are listed in the format of :

Interface Name(Interface MAC)
ex. WSN0(00170d0000010203)

Category : Class of Attributes
Attribute : List of Attributes in selected Category above
Set to : Place for entering value when Operation is Set
Name : (optional) Place for entering the name of this node

Example: Get SensorHub List

This example shows how to build a control flow to get a list of sensorhub MAC address on selected network interface.

1. Build a flow using inject as input node to wsn-gw node, and debug as output node.

2. Double click on wsn-gw node to open Edit wsn-gw node window and configure the node as below

Item	Value
Operation	Get
Net Type	WSN
Net ID	WSN0(your Interface MAC)
Category	Info
Attribute	SenHubList

3. Connect nodes together and click on Deploy

4. Click on the input node and you will see the result in debug window

5. The output in the debug window is a JSON format string describing the result

{ 
    "StatusCode": 200, 
    "Result": { 
        "n": "SenHubList", 
        "sv": "00170d0000603a0e,00170d0000602e5a,00170d0000304ab4,00170d000060339c", 
        "asm":	"r" 
    } 
}

wsn-senhub Node

Node to get the information and set functions of a remote SensorHub (ex. WISE-1020) controlled by Advantech WSN gateway platform, triggered by an input message. Outputs a msg with msg.payload containing the JSON description of reading or result. During configuration, it will automatically detect available options for Network, on-line sensorhub, and Attribute in real time.

Configuration

Drag and drop wsn-senhub node into Sheet
Double click on the node to open Edit wsn-senhub Node window for configuration as below
Start from the top item in the window, it will automatically detect and list the available options currently.

Items in Edit Window

Operation : Get or Set
NetWork : List of available network interfaces. Options are listed in the format of :

Network Type/Interface Name(Interface MAC)
ex. WSN/WSN0(00170d0000010203)

Sensor ID : List of available SensorHub MAC address on network interface selected above.
Category : Class of Attributes
Attribute : List of Attributes in selected Category above
Set to : Place for entering value when Operation is Set
Name : (optional) Place for entering the name of this node

Example: Get CO2 Reading

This example shows how to build a control flow to get CO2 sensor reading on selected sensorhub.

1. Build a flow using inject as input node to wsn-senhub node, and debug as output node.

2. Double click on wsn-senhub node to open Edit wsn-senhub node window and configure the node as below

Item	Value
Operation	Get
Network	WSN/WSN0(your Interface MAC)
Sensor ID	your CO2 sensorhub MAC
Category	SenData
Attribute	CO2

3. Connect nodes together and click on Deploy

4. Click on the input node and you will see the result in debug window

5. The output in the debug window is a JSON format string describing the result

{ 
    "SttatusCode": 200, 
    "Result": { 
        "n":	"CO2", 
        "u":	"ppm", 
        "v":	722, 
        "min":	400, 
        "max": 2000, 
        "asm":	"r", 
        "type": "d", 
        "rt": "ucum.ppm", 
        "st":	"ipso", 
        "exten": "" 
    } 
}

WSN Sensor/Actuator Demo

Besides reading information, we can create more complex control flow using wsn-related nodes introduced above with native Node-RED nodes.

Here is a demo shows how to interact with sensor and actuator, and build a connection between them.

In this demo, a wsn-senhub node is used to retrieve the CO2 reading from a remote sensor hub. The CO2 reading is then verified by a pre-defined threshold value. The result of this judgement is then sent to a wsn-senhub node to turn on/off a fan controlled by another remote sensor hub.

Code: The code of the complete control flow in this demo is :

To use this example code:

Copy all the code
In Node-RED page, click the function icon on the top-right corner
Select Import -> Clipboard
Paste the code in Clipboard and you can drag the complete control flow into the Sheet

Video: To see the demo video on youtube, the link is h ttps://youtu.be/-7inIBghIxE . Or you can go to youtube website and search using keyword Node-RED WSN senhub node Demo

Connect WSN node with Freeboard

IoTGateway/Node-Red

Contents

Node-RED for Alljoyn

Installation

Usage

Demo

Node-RED for WSN

Usage

wsn-gw Node

Configuration

Items in Edit Window

Example: Get SensorHub List

wsn-senhub Node

Configuration

Items in Edit Window

Example: Get CO2 Reading

WSN Sensor/Actuator Demo

Connect WSN node with Freeboard

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