Changes for page Set up CoAP Server

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1 -Set up CoAP Server
Content
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1 -Contents:
1 +**~ Table of Contents:**
2 2  
3 +{{toc/}}
3 3  
4 -= 1. Introduction =
5 5  
6 +
7 += 1.  Introduction =
8 +
9 +
6 6  (((
7 7  In this chapter, we set up a CoAP/ MQTT server by using Open Source MQTT Broker : [[EMQX.IO>>url:https://www.emqx.io/]]. And show how to communicate it with CoAP and MQTT.
8 8  )))
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9 9  
10 10  (((
11 11  Below is the network structure. The end device use CoAP to connect our Emqx server via NB-IoT network. EMQ X broker will further process the data for the actually application.
16 +
17 +
12 12  )))
13 13  
14 -[[image:https://wiki.dragino.com/images/thumb/2/25/CoAP_1.png/600px-CoAP_1.png||height="219" width="600"]]
20 +[[image:image-20220530084843-1.png]]
15 15  
16 16  Network structure
17 17  
18 -= 2. Install CoAP server =
19 19  
25 +
26 += 2.  Install CoAP server =
27 +
28 +
20 20  Set up example in Ubuntu 18.04
21 21  
22 22  (% class="box" %)
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30 30  ./bin/emqx_ctl plugins load emqx_coap # Run COAP service
31 31  )))
32 32  
42 +(((
33 33  (% style="color:red" %)**Notice: CoAP default port use 5683, if you install EMQX in a cloud server, make sure you open the UDP port 5683. So can receive the packets from NB-IoT.**
34 34  
45 +
46 +
47 +)))
48 +
35 35  = 3. Test CoAP Server =
36 36  
37 37  == 3.1 Install Copper in Chrome ==
38 38  
53 +
39 39  (((
40 40  ~1. Download Copper4Cr from [[https:~~/~~/github.com/mkovatsc/Copper4Cr>>url:https://github.com/mkovatsc/Copper4Cr]] and unpack it.
41 41  )))
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42 42  
43 43  (((
44 44  2. Run install.bat in the directory.
45 -)))
46 46  
47 -[[image:https://wiki.dragino.com/images/thumb/4/47/CoAP_Test_1.png/600px-CoAP_Test_1.png||height="191" width="600"]]
48 48  
62 +[[image:image-20220530085327-2.png]]
63 +)))
64 +
49 49  Run install.bat
50 50  
51 51  
68 +
52 52  3. Load the unpacked CoAP APP in Google Chrome:
53 53  
54 -[[image:https://wiki.dragino.com/images/thumb/8/8b/CoAP_Test_2.png/600px-CoAP_Test_2.png||height="114" width="600"]]
71 +[[image:image-20220530085423-3.png||height="241" width="1250"]]
55 55  
56 56  Install Copper APP
57 57  
58 -[[image:https://wiki.dragino.com/images/thumb/7/70/CoAP_Test_3.png/600px-CoAP_Test_3.png||height="523" width="600"]]
59 59  
76 +
77 +[[image:image-20220530085531-4.png]]
78 +
60 60  Install APP Successful
61 61  
62 62  
82 +
63 63  4. Load the unpacked CoAP extension in Google Chrome:
64 64  
65 -[[image:https://wiki.dragino.com/images/thumb/6/65/CoAP_Test_4.png/600px-CoAP_Test_4.png||height="154" width="600"]]
85 +[[image:image-20220530085638-5.png||height="338" width="1320"]]
66 66  
67 67  Install Copper Extension
68 68  
69 -[[image:https://wiki.dragino.com/images/thumb/9/99/CoAP_Test_5.png/600px-CoAP_Test_5.png||height="183" width="600"]]
70 70  
90 +[[image:image-20220530090104-7.png||height="389" width="1282"]]
91 +
71 71  Install Extension Successful
72 72  
73 73  
95 +
74 74  5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
75 75  
76 -[[image:https://wiki.dragino.com/images/thumb/7/7e/CoAP_Test_6.png/600px-CoAP_Test_6.png||height="301" width="600"]]
98 +[[image:image-20220530090444-10.png]]
77 77  
78 78  Replace ID
79 79  
80 80  
103 +
81 81  6. Open the Copper extension. If you see below message, means install successfully.
82 82  
83 -[[image:https://wiki.dragino.com/images/thumb/b/b1/CoAP_Test_7.png/600px-CoAP_Test_7.png||height="323" width="600"]]
106 +[[image:image-20220530090404-9.png||height="658" width="1238"]]
84 84  
85 85  Install Finished
86 86  
87 87  
88 -== 3.2 Test CoAP connection ==
89 89  
112 +== 3.2  Test CoAP connection ==
113 +
114 +
90 90  (((
91 91  Use Chrome Copper externsion to connect to the CoAP server. Input coap:~/~/COAP_SERVER_IP/mqtt/topic0?c=t1 to connect to the MQTT topic0 in CoAP server. Replace COAP_SERVER_IP with your COAP Server IP address, and refer [[here>>url:https://github.com/emqx/emqx-coap]] for the CoAP detail in EMQX. When connection ok, you can see below window.
92 -)))
93 93  
94 -[[image:https://wiki.dragino.com/images/thumb/0/0c/CoAP_Test_8.png/600px-CoAP_Test_8.png||height="323" width="600"]]
95 95  
119 +[[image:image-20220530090848-13.png||height="616" width="1154"]]
120 +)))
121 +
96 96  Connect to CoAP server
97 97  
98 98  
99 -== 3.3 Test CoAP Uplink ==
100 100  
126 +== 3.3  Test CoAP Uplink ==
127 +
128 +
101 101  (((
102 102  Try to use MQTT.fx to subscribe a the topic (topic0) in the server. And use CoAP to send a message to this topic, we can see the message arrive the topic0 and shown in MQTT.fx.
103 -)))
104 104  
105 -[[image:https://wiki.dragino.com/images/thumb/b/b0/CoAP_Test_9.png/600px-CoAP_Test_9.png||height="429" width="600"]]
106 106  
133 +[[image:image-20220530090939-14.png]]
134 +)))
135 +
107 107  Use MQTT.fx to subscribe the topic
108 108  
109 109  
110 -[[image:https://wiki.dragino.com/images/thumb/3/39/CoAP_Test_10.png/600px-CoAP_Test_10.png||height="323" width="600"]]
111 111  
140 +[[image:image-20220530091358-18.png||height="549" width="1035"]]
141 +
112 112  Use CoAP Exension to send a update to CoAP server
113 113  
114 114  
115 -[[image:https://wiki.dragino.com/images/thumb/f/fe/CoAP_Test_11.png/600px-CoAP_Test_11.png||height="386" width="600"]]
116 116  
146 +[[image:image-20220530091237-17.png]]
147 +
117 117  MQTT.fx get the update of this topic on CoAP server
118 118  
119 119  
120 -== 3.4 Test CoAP Downlink ==
121 121  
122 -Try to use MQTT.fx to publish a message to the topic (topic0) in the server. CoAP extension will see this incomming message.
152 +== 3.4  Test CoAP Downlink ==
123 123  
124 124  
125 -Use MQTT.fx to publish the topic
126 -
127 -
128 -CoAP extension see the incoming message
155 +(((
156 +Try to use MQTT.fx to publish a message to the topic (topic0) in the server. CoAP extension will see this incomming message.
157 +)))
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