Changes for page Set up CoAP Server

Last modified by Xiaoling on 2024/08/19 16:01
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edited by Xiaoling
on 2022/05/30 10:12
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1 -Set up CoAP Shttp://wiki1.dragino.com/xwiki/bin/view/Main/erver
1 +Set up CoAP Server
Content
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1 -**~ Contents:**
1 +Contents:
2 2  
3 -{{toc/}}
4 4  
5 -
6 -
7 7  = 1. Introduction =
8 8  
9 9  (((
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14 14  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.
15 15  )))
16 16  
17 -[[image:image-20220530084843-1.png]]
14 +[[image:https://wiki.dragino.com/images/thumb/2/25/CoAP_1.png/600px-CoAP_1.png||height="219" width="600"]]
18 18  
19 19  Network structure
20 20  
21 -
22 22  = 2. Install CoAP server =
23 23  
24 24  Set up example in Ubuntu 18.04
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34 34  ./bin/emqx_ctl plugins load emqx_coap # Run COAP service
35 35  )))
36 36  
37 -(((
38 38  (% 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.**
39 39  
40 -
41 -)))
42 -
43 43  = 3. Test CoAP Server =
44 44  
45 45  == 3.1 Install Copper in Chrome ==
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50 50  
51 51  (((
52 52  2. Run install.bat in the directory.
53 -
54 -[[image:image-20220530085327-2.png]]
55 55  )))
56 56  
47 +[[image:https://wiki.dragino.com/images/thumb/4/47/CoAP_Test_1.png/600px-CoAP_Test_1.png||height="191" width="600"]]
48 +
57 57  Run install.bat
58 58  
59 59  
60 60  3. Load the unpacked CoAP APP in Google Chrome:
61 61  
62 -[[image:image-20220530085423-3.png||height="241" width="1250"]]
54 +[[image:https://wiki.dragino.com/images/thumb/8/8b/CoAP_Test_2.png/600px-CoAP_Test_2.png||height="114" width="600"]]
63 63  
64 64  Install Copper APP
65 65  
58 +[[image:https://wiki.dragino.com/images/thumb/7/70/CoAP_Test_3.png/600px-CoAP_Test_3.png||height="523" width="600"]]
66 66  
67 -[[image:image-20220530085531-4.png]]
68 -
69 69  Install APP Successful
70 70  
71 71  
72 72  4. Load the unpacked CoAP extension in Google Chrome:
73 73  
74 -[[image:image-20220530085638-5.png||height="338" width="1320"]]
65 +[[image:https://wiki.dragino.com/images/thumb/6/65/CoAP_Test_4.png/600px-CoAP_Test_4.png||height="154" width="600"]]
75 75  
76 76  Install Copper Extension
77 77  
69 +[[image:https://wiki.dragino.com/images/thumb/9/99/CoAP_Test_5.png/600px-CoAP_Test_5.png||height="183" width="600"]]
78 78  
79 -[[image:image-20220530090104-7.png||height="389" width="1282"]]
80 -
81 81  Install Extension Successful
82 82  
83 83  
84 84  5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
85 85  
86 -[[image:image-20220530090444-10.png]]
76 +[[image:https://wiki.dragino.com/images/thumb/7/7e/CoAP_Test_6.png/600px-CoAP_Test_6.png||height="301" width="600"]]
87 87  
88 88  Replace ID
89 89  
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90 90  
91 91  6. Open the Copper extension. If you see below message, means install successfully.
92 92  
93 -[[image:image-20220530090404-9.png||height="658" width="1238"]]
83 +[[image:https://wiki.dragino.com/images/thumb/b/b1/CoAP_Test_7.png/600px-CoAP_Test_7.png||height="323" width="600"]]
94 94  
95 95  Install Finished
96 96  
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99 99  
100 100  (((
101 101  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.
102 -
103 -[[image:image-20220530090848-13.png||height="616" width="1154"]]
104 104  )))
105 105  
94 +[[image:https://wiki.dragino.com/images/thumb/0/0c/CoAP_Test_8.png/600px-CoAP_Test_8.png||height="323" width="600"]]
95 +
106 106  Connect to CoAP server
107 107  
108 108  
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110 110  
111 111  (((
112 112  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.
113 -
114 -[[image:image-20220530090939-14.png]]
115 115  )))
116 116  
105 +[[image:https://wiki.dragino.com/images/thumb/b/b0/CoAP_Test_9.png/600px-CoAP_Test_9.png||height="429" width="600"]]
106 +
117 117  Use MQTT.fx to subscribe the topic
118 118  
119 119  
120 -[[image:image-20220530091358-18.png||height="549" width="1035"]]
110 +[[image:https://wiki.dragino.com/images/thumb/3/39/CoAP_Test_10.png/600px-CoAP_Test_10.png||height="323" width="600"]]
121 121  
122 122  Use CoAP Exension to send a update to CoAP server
123 123  
124 124  
125 -[[image:image-20220530091237-17.png]]
115 +[[image:https://wiki.dragino.com/images/thumb/f/fe/CoAP_Test_11.png/600px-CoAP_Test_11.png||height="386" width="600"]]
126 126  
127 127  MQTT.fx get the update of this topic on CoAP server
128 128  
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129 129  
130 130  == 3.4 Test CoAP Downlink ==
131 131  
132 -(((
133 133  Try to use MQTT.fx to publish a message to the topic (topic0) in the server. CoAP extension will see this incomming message.
134 -)))
123 +
124 +
125 +Use MQTT.fx to publish the topic
126 +
127 +
128 +CoAP extension see the incoming message
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