Changes for page Set up CoAP Server

Last modified by Xiaoling on 2024/08/19 16:01
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From version < 1.6 >
edited by Xiaoling
on 2022/05/17 15:00
To version < 12.1 >
edited by Xiaoling
on 2022/05/30 09:13
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Change comment: Uploaded new attachment "image-20220530091237-17.png", version {1}

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13 13  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.
14 14  )))
15 15  
16 -[[image:https://wiki.dragino.com/images/thumb/2/25/CoAP_1.png/600px-CoAP_1.png||height="219" width="600"]]
16 +[[image:image-20220530084843-1.png]]
17 17  
18 18  Network structure
19 19  
20 +
20 20  = 2. Install CoAP server =
21 21  
22 22  Set up example in Ubuntu 18.04
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34 34  
35 35  (((
36 36  (% 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.**
38 +
39 +
37 37  )))
38 38  
39 39  = 3. Test CoAP Server =
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46 46  
47 47  (((
48 48  2. Run install.bat in the directory.
52 +
53 +[[image:image-20220530085327-2.png]]
49 49  )))
50 50  
51 -[[image:https://wiki.dragino.com/images/thumb/4/47/CoAP_Test_1.png/600px-CoAP_Test_1.png||height="191" width="600"]]
52 52  
53 53  Run install.bat
54 54  
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55 55  
56 56  3. Load the unpacked CoAP APP in Google Chrome:
57 57  
58 -[[image:https://wiki.dragino.com/images/thumb/8/8b/CoAP_Test_2.png/600px-CoAP_Test_2.png||height="114" width="600"]]
62 +[[image:image-20220530085423-3.png]]
59 59  
60 60  Install Copper APP
61 61  
62 -[[image:https://wiki.dragino.com/images/thumb/7/70/CoAP_Test_3.png/687px-CoAP_Test_3.png||alt="File:CoAP Test 3.png"]]
63 63  
67 +[[image:image-20220530085531-4.png]]
68 +
64 64  Install APP Successful
65 65  
66 66  
67 67  4. Load the unpacked CoAP extension in Google Chrome:
68 68  
69 -[[image:https://wiki.dragino.com/images/thumb/6/65/CoAP_Test_4.png/600px-CoAP_Test_4.png||height="154" width="600"]]
74 +[[image:image-20220530085638-5.png||height="338" width="1320"]]
70 70  
71 71  Install Copper Extension
72 72  
73 -[[image:https://wiki.dragino.com/images/thumb/9/99/CoAP_Test_5.png/600px-CoAP_Test_5.png||height="183" width="600"]]
78 +[[image:image-20220530090104-7.png]]
74 74  
80 +
75 75  Install Extension Successful
76 76  
77 77  
78 78  5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
79 79  
80 -[[image:https://wiki.dragino.com/images/thumb/7/7e/CoAP_Test_6.png/600px-CoAP_Test_6.png||height="301" width="600"]]
86 +[[image:image-20220530090444-10.png]]
81 81  
88 +
82 82  Replace ID
83 83  
84 84  
85 85  6. Open the Copper extension. If you see below message, means install successfully.
86 86  
87 -[[image:https://wiki.dragino.com/images/thumb/b/b1/CoAP_Test_7.png/600px-CoAP_Test_7.png||height="323" width="600"]]
94 +[[image:image-20220530090404-9.png||height="658" width="1238"]]
88 88  
89 89  Install Finished
90 90  
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93 93  
94 94  (((
95 95  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.
103 +
104 +[[image:image-20220530090848-13.png||height="616" width="1154"]]
96 96  )))
97 97  
98 -[[image:https://wiki.dragino.com/images/thumb/0/0c/CoAP_Test_8.png/600px-CoAP_Test_8.png||height="323" width="600"]]
99 99  
100 100  Connect to CoAP server
101 101  
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104 104  
105 105  (((
106 106  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.
115 +
116 +[[image:image-20220530090939-14.png]]
107 107  )))
108 108  
109 -[[image:https://wiki.dragino.com/images/thumb/b/b0/CoAP_Test_9.png/600px-CoAP_Test_9.png||height="429" width="600"]]
110 110  
111 111  Use MQTT.fx to subscribe the topic
112 112  
113 113  
114 -[[image:https://wiki.dragino.com/images/thumb/3/39/CoAP_Test_10.png/600px-CoAP_Test_10.png||height="323" width="600"]]
115 115  
116 116  Use CoAP Exension to send a update to CoAP server
117 117  
118 118  
119 -[[image:https://wiki.dragino.com/images/thumb/f/fe/CoAP_Test_11.png/600px-CoAP_Test_11.png||height="386" width="600"]]
120 120  
121 121  MQTT.fx get the update of this topic on CoAP server
122 122  
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126 126  (((
127 127  Try to use MQTT.fx to publish a message to the topic (topic0) in the server. CoAP extension will see this incomming message.
128 128  )))
129 -
130 -
131 -Use MQTT.fx to publish the topic
132 -
133 -
134 -CoAP extension see the incoming message
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