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Title

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	1	+Set up CoAP Shttp://wiki1.dragino.com/xwiki/bin/view/Main/erver

Content

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1		-**~ Table of Contents:**
	1	+**~ Contents:**
2	2
3	3	{{toc/}}
4	4
5	5
6	6
7		-= 1.  Introduction =
	7	+= 1. Introduction =
8	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 =
	22	+= 2. Install CoAP server =
26	26
27		-
28	28	Set up example in Ubuntu 18.04
29	29
30	30	(% class="box" %)
...	...	@@ -44,19 +44,17 @@
44	44
45	45	)))
46	46
47		-= 3.  Test CoAP Server =
	43	+= 3. Test CoAP Server =
48	48
49		-== 3.1  Install Copper in Chrome ==
	45	+== 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.**
	48	+~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.**
	52	+2. Run install.bat in the directory.
58	58
59		-
60	60	[[image:image-20220530085327-2.png]]
61	61	)))
62	62
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63	63	Run install.bat
64	64
65	65
66		-(% style="color:blue" %)**3. Load the unpacked CoAP APP in Google Chrome:**
	60	+3. Load the unpacked CoAP APP in Google Chrome:
67	67
68	68	[[image:image-20220530085423-3.png||height="241" width="1250"]]
69	69
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75	75	Install APP Successful
76	76
77	77
78		-(% style="color:blue" %)**4. Load the unpacked CoAP extension in Google Chrome:**
	72	+4. Load the unpacked CoAP extension in Google Chrome:
79	79
80	80	[[image:image-20220530085638-5.png||height="338" width="1320"]]
81	81
...	...	@@ -87,7 +87,7 @@
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**
	84	+5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
91	91
92	92	[[image:image-20220530090444-10.png]]
93	93
...	...	@@ -94,7 +94,7 @@
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.**
	91	+6. Open the Copper extension. If you see below message, means install successfully.
98	98
99	99	[[image:image-20220530090404-9.png||height="658" width="1238"]]
100	100
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101	101	Install Finished
102	102
103	103
104		-== 3.2  Test CoAP connection ==
	98	+== 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	109
110		-
111	111	[[image:image-20220530090848-13.png||height="616" width="1154"]]
112	112	)))
113	113
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114	114	Connect to CoAP server
115	115
116	116
117		-== 3.3  Test CoAP Uplink ==
	109	+== 3.3 Test CoAP Uplink ==
118	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	122
123		-
124	124	[[image:image-20220530090939-14.png]]
125	125	)))
126	126
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137	137	MQTT.fx get the update of this topic on CoAP server
138	138
139	139
140		-== 3.4  Test CoAP Downlink ==
	130	+== 3.4 Test CoAP Downlink ==
141	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	)))