Changes for page Set up CoAP Server

Last modified by Xiaoling on 2024/08/19 16:01
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From version < 17.1
edited by Xiaoling
on 2024/08/19 16:01
To version < 5.1 >
edited by Xiaoling
on 2022/05/30 08:55
Change comment: Uploaded new attachment "image-20220530085531-4.png", version {1}

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1 +Set up CoAP Server
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1 -**~ Table of Contents:**
1 +**~ Contents:**
2 2  
3 3  {{toc/}}
4 4  
5 5  
6 += 1. Introduction =
6 6  
7 -= 1.  Introduction =
8 -
9 -
10 10  (((
11 11  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.
12 12  )))
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13 13  
14 14  (((
15 15  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 -
18 18  )))
19 19  
20 20  [[image:image-20220530084843-1.png]]
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22 22  Network structure
23 23  
24 24  
25 -= 2.  Install CoAP server =
21 += 2. Install CoAP server =
26 26  
27 -
28 28  Set up example in Ubuntu 18.04
29 29  
30 30  (% class="box" %)
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40 40  
41 41  (((
42 42  (% 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.**
43 -
44 -
45 45  )))
46 46  
47 -= 3.  Test CoAP Server =
40 += 3. Test CoAP Server =
48 48  
49 -== 3.1  Install Copper in Chrome ==
42 +== 3.1 Install Copper in Chrome ==
50 50  
51 -
52 52  (((
53 -(% style="color:blue" %)**1. Download Copper4Cr from [[https:~~/~~/github.com/mkovatsc/Copper4Cr>>url:https://github.com/mkovatsc/Copper4Cr]] and unpack it.**
45 +~1. Download Copper4Cr from [[https:~~/~~/github.com/mkovatsc/Copper4Cr>>url:https://github.com/mkovatsc/Copper4Cr]] and unpack it.
54 54  )))
55 55  
56 56  (((
57 -(% style="color:blue" %)**2. Run install.bat in the directory.**
58 -
59 -
60 -[[image:image-20220530085327-2.png]]
49 +2. Run install.bat in the directory.
61 61  )))
62 62  
52 +[[image:https://wiki.dragino.com/images/thumb/4/47/CoAP_Test_1.png/600px-CoAP_Test_1.png||height="191" width="600"]]
53 +
63 63  Run install.bat
64 64  
65 65  
66 -(% style="color:blue" %)**3. Load the unpacked CoAP APP in Google Chrome:**
57 +3. Load the unpacked CoAP APP in Google Chrome:
67 67  
68 -[[image:image-20220530085423-3.png||height="241" width="1250"]]
59 +[[image:https://wiki.dragino.com/images/thumb/8/8b/CoAP_Test_2.png/600px-CoAP_Test_2.png||height="114" width="600"]]
69 69  
70 70  Install Copper APP
71 71  
63 +[[image:https://wiki.dragino.com/images/thumb/7/70/CoAP_Test_3.png/687px-CoAP_Test_3.png||alt="File:CoAP Test 3.png"]]
72 72  
73 -[[image:image-20220530085531-4.png]]
74 -
75 75  Install APP Successful
76 76  
77 77  
78 -(% style="color:blue" %)**4. Load the unpacked CoAP extension in Google Chrome:**
68 +4. Load the unpacked CoAP extension in Google Chrome:
79 79  
80 -[[image:image-20220530085638-5.png||height="338" width="1320"]]
70 +[[image:https://wiki.dragino.com/images/thumb/6/65/CoAP_Test_4.png/600px-CoAP_Test_4.png||height="154" width="600"]]
81 81  
82 82  Install Copper Extension
83 83  
74 +[[image:https://wiki.dragino.com/images/thumb/9/99/CoAP_Test_5.png/600px-CoAP_Test_5.png||height="183" width="600"]]
84 84  
85 -[[image:image-20220530090104-7.png||height="389" width="1282"]]
86 -
87 87  Install Extension Successful
88 88  
89 89  
90 -(% style="color:blue" %)**5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID**
79 +5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
91 91  
92 -[[image:image-20220530090444-10.png]]
81 +[[image:https://wiki.dragino.com/images/thumb/7/7e/CoAP_Test_6.png/600px-CoAP_Test_6.png||height="301" width="600"]]
93 93  
94 94  Replace ID
95 95  
96 96  
97 -(% style="color:blue" %)**6. Open the Copper extension. If you see below message, means install successfully.**
86 +6. Open the Copper extension. If you see below message, means install successfully.
98 98  
99 -[[image:image-20220530090404-9.png||height="658" width="1238"]]
88 +[[image:https://wiki.dragino.com/images/thumb/b/b1/CoAP_Test_7.png/600px-CoAP_Test_7.png||height="323" width="600"]]
100 100  
101 101  Install Finished
102 102  
103 103  
104 -== 3.2  Test CoAP connection ==
93 +== 3.2 Test CoAP connection ==
105 105  
106 -
107 107  (((
108 108  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.
109 -
110 -
111 -[[image:image-20220530090848-13.png||height="616" width="1154"]]
112 112  )))
113 113  
99 +[[image:https://wiki.dragino.com/images/thumb/0/0c/CoAP_Test_8.png/600px-CoAP_Test_8.png||height="323" width="600"]]
100 +
114 114  Connect to CoAP server
115 115  
103 +== 3.3 Test CoAP Uplink ==
116 116  
117 -== 3.3  Test CoAP Uplink ==
118 -
119 -
120 120  (((
121 121  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.
122 -
123 -
124 -[[image:image-20220530090939-14.png]]
125 125  )))
126 126  
109 +[[image:https://wiki.dragino.com/images/thumb/b/b0/CoAP_Test_9.png/600px-CoAP_Test_9.png||height="429" width="600"]]
110 +
127 127  Use MQTT.fx to subscribe the topic
128 128  
129 129  
130 -[[image:image-20220530091358-18.png||height="549" width="1035"]]
114 +[[image:https://wiki.dragino.com/images/thumb/3/39/CoAP_Test_10.png/600px-CoAP_Test_10.png||height="323" width="600"]]
131 131  
132 132  Use CoAP Exension to send a update to CoAP server
133 133  
134 134  
135 -[[image:image-20220530091237-17.png]]
119 +[[image:https://wiki.dragino.com/images/thumb/f/fe/CoAP_Test_11.png/600px-CoAP_Test_11.png||height="386" width="600"]]
136 136  
137 137  MQTT.fx get the update of this topic on CoAP server
138 138  
123 +== 3.4 Test CoAP Downlink ==
139 139  
140 -== 3.4  Test CoAP Downlink ==
141 -
142 -
143 143  (((
144 144  Try to use MQTT.fx to publish a message to the topic (topic0) in the server. CoAP extension will see this incomming message.
145 -
146 -
147 147  )))
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