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1		-**~ Contents:**
2		-
	1	+{{box cssClass="floatinginfobox" title="**Contents**"}}
3	3	{{toc/}}
	3	+{{/box}}
4	4
	5	+= Paragraph 1 =
5	5
6		-= 1. Introduction =
	7	+Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
7	7
8		-(((
9		-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.
10		-)))
	9	+== Sub-paragraph ==
11	11
12		-(((
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		-)))
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15	15
16		-[[image:https://wiki.dragino.com/images/thumb/2/25/CoAP_1.png/600px-CoAP_1.png||height="219" width="600"]]
	13	+== Sub-paragraph ==
17	17
18		-Network structure
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19	19
20		-= 2. Install CoAP server =
	17	+=== Sub-sub paragraph ===
21	21
22		-Set up example in Ubuntu 18.04
	19	+Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
23	23
24		-(% class="box" %)
25		-(((
26		-sudo apt-get update
27		-sudo apt-get upgrade
28		-wget [[https:~~/~~/www.emqx.io/downloads/broker/v3.2.7/emqx-ubuntu18.04-v3.2.7_amd64.deb>>url:https://www.emqx.io/downloads/broker/v3.2.7/emqx-ubuntu18.04-v3.2.7_amd64.deb]]  #download the installation package.
29		-sudo dpkg –i emqx-ubuntu18.04-v3.2.4_amd64.deb  #install EMQX
30		-emqx start            # Start EMQX service
31		-emqx_ctl status   #check if EMQX is running
32		-./bin/emqx_ctl plugins load emqx_coap # Run COAP service
33		-)))
34	34
35		-(((
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.**
37		-)))
	22	+= Paragraph 2 =
38	38
39		-= 3. Test CoAP Server =
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40	40
41		-== 3.1 Install Copper in Chrome ==
	26	+== Sub-paragraph ==
42	42
43		-(((
44		-~1. Download Copper4Cr from [[https:~~/~~/github.com/mkovatsc/Copper4Cr>>url:https://github.com/mkovatsc/Copper4Cr]] and unpack it.
45		-)))
	28	+Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
46	46
47		-(((
48		-2. Run install.bat in the directory.
49		-)))
	30	+== Sub-paragraph ==
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		-
53		-Run install.bat
54		-
55		-
56		-3. Load the unpacked CoAP APP in Google Chrome:
57		-
58		-[[image:https://wiki.dragino.com/images/thumb/8/8b/CoAP_Test_2.png/600px-CoAP_Test_2.png||height="114" width="600"]]
59		-
60		-Install Copper APP
61		-
62		-[[image:https://wiki.dragino.com/images/thumb/7/70/CoAP_Test_3.png/600px-CoAP_Test_3.png||height="523" width="600"]]
63		-
64		-Install APP Successful
65		-
66		-
67		-4. Load the unpacked CoAP extension in Google Chrome:
68		-
69		-[[image:https://wiki.dragino.com/images/thumb/6/65/CoAP_Test_4.png/600px-CoAP_Test_4.png||height="154" width="600"]]
70		-
71		-Install Copper Extension
72		-
73		-[[image:https://wiki.dragino.com/images/thumb/9/99/CoAP_Test_5.png/600px-CoAP_Test_5.png||height="183" width="600"]]
74		-
75		-Install Extension Successful
76		-
77		-
78		-5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
79		-
80		-[[image:https://wiki.dragino.com/images/thumb/7/7e/CoAP_Test_6.png/600px-CoAP_Test_6.png||height="301" width="600"]]
81		-
82		-Replace ID
83		-
84		-
85		-6. Open the Copper extension. If you see below message, means install successfully.
86		-
87		-[[image:https://wiki.dragino.com/images/thumb/b/b1/CoAP_Test_7.png/600px-CoAP_Test_7.png||height="323" width="600"]]
88		-
89		-Install Finished
90		-
91		-
92		-== 3.2 Test CoAP connection ==
93		-
94		-(((
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.
96		-)))
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		-
100		-Connect to CoAP server
101		-
102		-
103		-== 3.3 Test CoAP Uplink ==
104		-
105		-(((
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.
107		-)))
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		-
111		-Use MQTT.fx to subscribe the topic
112		-
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		-
116		-Use CoAP Exension to send a update to CoAP server
117		-
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		-
121		-MQTT.fx get the update of this topic on CoAP server
122		-
123		-
124		-== 3.4 Test CoAP Downlink ==
125		-
126		-(((
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		-)))
129		-
130		-
131		-Use MQTT.fx to publish the topic
132		-
133		-
134		-CoAP extension see the incoming message
	32	+Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.