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On your computer, you will run both the JsonServer and Node-RED programs:
JsonServer is the program that connects to the API serial port of your manager and offers an HTTP interface
Node-RED interacts with the JsonServer over HTTP and offers a graphical user interface
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using the "cm" command, connect the JsonServer to your manager's API port
the API serial port to connect to is the 4th one
so if command “sp” returns
COM3, COM4, COM5, COM6
{'serialports': ['COM11', 'COM12', 'COM13', 'COM14']}
, you need to connect to COM14type
cm COM14
to connect to COM6that manager
type "s". Verify the manager appears as "connected".
Code Block > s { 'SmartMesh SDK version': '1.4.0.1', 'current time': '04/12/2021 22:35:51', 'managers': {'COM14': 'connected'}, 'running since': '04/12/2021 22:34:52 (0:00:58.863536 ago)', 'threads running': [ 'MainThread', 'SnapshotThread', 'DustCli', 'WebServer', 'ManagerHandler@COM14', 'COM14_HDLC', 'IpMgrSubscribe']}
Node-RED
in a command prompt, start Node-RED by typing
Code Block C:\Users\twatteyne>node-red 30 Mar 03:14:22 - [info] Welcome to Node-RED =================== 30 Mar 03:14:22 - [info] Node-RED version: v0.16.2 30 Mar 03:14:22 - [info] Node.js version: v6.9.5 30 Mar 03:14:22 - [info] Windows_NT 6.1.7601 x64 LE 30 Mar 03:14:24 - [info] Loading palette nodes 30 Mar 03:14:26 - [info] Dashboard version 2.3.2 started at /ui 30 Mar 03:14:27 - [warn] ------------------------------------------------------ 30 Mar 03:14:27 - [warn] [rpi-gpio] Info : Ignoring Raspberry Pi specific node 30 Mar 03:14:27 - [warn] [tail] Not currently supported on Windows. 30 Mar 03:14:27 - [warn] ------------------------------------------------------ 30 Mar 03:14:27 - [info] Settings file : \Users\twatteyne\.node-red\settings.js 30 Mar 03:14:27 - [info] User directory : \Users\twatteyne\.node-red 30 Mar 03:14:27 - [info] Flows file : \Users\twatteyne\.node-red\flows_HDC_S W01.json 30 Mar 03:14:27 - [info] Server now running at http://127.0.0.1:1880/ 30 Mar 03:14:27 - [info] Starting flows 30 Mar 03:14:27 - [info] Started flows
open http://127.0.0.1:1880 to see the Node-RED interface:
Tip |
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There are no question in this lab. This lab is preparation for all the ones that follow, in which we will be interacting with the Node-RED interface. |